Disaster information management and provision system

Abstract

To provide a disaster information managing and providing system capable of grasping an accurate disaster situation at a site.SOLUTION: A disaster information managing and providing system includes: a seismic intensity information acquisition unit 26 for acquiring seismic intensity information around a building from published seismic intensity distribution information; a precipitation acquisition unit 24 for acquiring precipitation around the building from published observed information of precipitation; a flood inundation distribution acquisition unit 25 for acquiring ambient inundation information around the building from a published flood hazard map; an inundation determination unit 27 for acquiring presence or absence of inundation and a water level at the time of inundation around the building as local inundation information from image information captured by a fixed point camera installed in the building; a building earthquake damage estimation unit 29 for estimating an earthquake damage degree of the building based on building information and seismic intensity information; and an inundation risk degree determination unit 28 for determining a risk degree of inundation based on the precipitation, the ambient inundation information, and the local inundation information.SELECTED DRAWING: Figure 7

Description

[Technical Field]

[0001] The present invention relates to a disaster information management and provision system that acquires, manages, and provides disaster information related to the degree of earthquake damage and the risk of flooding, targeting individual buildings or surrounding areas including multiple buildings. [Background technology]

[0002] When a disaster such as an earthquake or flood occurs, it is necessary to obtain various information in order to grasp the damage situation more accurately. In this regard, various technologies have been proposed. For example, Patent Document 1 discloses a configuration comprising a transmitting / receiving terminal that receives emergency alert emails sent by a base station, an electronic tag carried by a user that communicates with the transmitting / receiving terminal, and an information aggregation server that stores contact information associated with the transmitting / receiving terminal; when the transmitting / receiving terminal receives an emergency alert email, it outputs the emergency alert information to the user when it is able to communicate with the electronic tag, and when it receives input from the user in response to the output, it outputs information to the contact information that the emergency alert information has been transmitted to the user. Furthermore, Patent Document 2 discloses a configuration for a regional information system for information distribution, etc., that correlates regional issues based on factor information such as disaster prevention, crime prevention, and the environment within an area, one or more regions that have regional issues, and regional information necessary for the regional issues, in order to share information where there is overlap between the ranges of regional issues, regions, and regional information, etc., and performs regional adaptation that enables the sharing of regional information tailored to the current state of regional issues in the area. This configuration aims to respond immediately to regional issues faced by the entire local community, such as disaster prevention, crime prevention, safety, the environment, depopulation, and regional revitalization, and to share regional information that will serve as the basis for the entire local community to solve regional issues on its own.

[0003] The information handled by the configurations disclosed in Patent Documents 1 and 2 is distributed by government ministries and agencies such as the Japan Meteorological Agency, local governments, and local community associations. This information relates to areas of a certain size, such as prefectures, wards, cities, towns, and villages, and districts. In other words, since the information distributed in Patent Documents 1 and 2 covers a wide area, the granularity of the information for each location within that area tends to be coarse. Therefore, in an actual disaster situation, it is not easy to determine, for example, whether to evacuate, and if so, what route to take, based solely on this information. In response to this, Patent Document 3 discloses a configuration including a transmitting / receiving electronic guide board consisting of a map information display means, a wireless transmitting / receiving means for inter-location communication, and an operating means; a receive-only electronic guide board consisting of a map information display means and a wireless receiving means for inter-location communication; and an emergency information transmitting means consisting of an operating means and a wireless transmitting means for inter-location communication. In this configuration, for example, electronic guide boards displaying map information are provided at each location, such as a convenience store, other shops, or a hospital. By directly communicating wirelessly between nearby locations, information for disaster prevention and rescue can be transmitted and received, and local residents can be notified. It is desirable to provide more accurate and detailed information on the ground. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Publication No. 2020-187719 [Patent Document 2] Japanese Patent Application Laid-Open No. 2007-299145 [Patent Document 3] Japanese Patent Application Laid-Open No. 2007-133473 Summary of the Invention [Problem to be solved by the invention]

[0005] The problem to be solved by the present invention is to provide a disaster information management and provision system that can accurately grasp the damage situation on site. [Means for solving the problem]

[0006] The inventors came up with the present invention after noticing that, when a disaster information management and provision system is targeted at a convenience store building, it is possible to obtain disaster information regarding the local risk of flooding and the earthquake damage to the building from publicly available seismic intensity distribution information, precipitation observation information, observation information based on flood hazard maps, and image information taken by fixed cameras installed in the building, without installing any new sensor terminals in the building to obtain disaster information. In order to solve the above problems, the present invention employs the following means. In other words, the disaster information management and provision system of the present invention is a disaster information management and provision system that acquires, manages, and provides disaster information, and is characterized by comprising: a data input unit for inputting building information including structural type and floor information of the building for which the damage information is to be confirmed; a seismic intensity information acquisition unit for acquiring seismic intensity information around the building from publicly available seismic intensity distribution information; a fixed camera installed in the building; a database showing the relationship between ground surface acceleration and building earthquake damage based on the building information and the seismic intensity information; and a building earthquake damage estimation unit for estimating the degree of earthquake damage to the building from the image information of the fixed camera. According to this configuration, the building earthquake damage estimation unit estimates the degree of earthquake damage to the building based on image information from a fixed camera installed in the building for which damage information is to be checked, seismic intensity information around the building obtained from publicly available seismic intensity distribution information, and building information. In this way, seismic intensity information in the vicinity of the building during an earthquake can be obtained. In particular, the extent of earthquake damage is estimated based on on-site information obtained from fixed-point cameras, making it possible to accurately grasp the extent of damage at the site based on on-site information.

[0007] In addition, the disaster information management and provision system of the present invention is a disaster information management and provision system that acquires, manages, and provides disaster information, and is characterized by comprising: a data input unit for inputting building information including the building location and elevation of the building for which the damage information is to be confirmed; a precipitation acquisition unit for acquiring precipitation around the building from publicly available precipitation observation information; a flood inundation distribution acquisition unit for acquiring surrounding inundation information around the building from publicly available flood hazard maps; a fixed camera installed on the building; a flood determination unit for acquiring the presence or absence of inundation around the building and the water level at the time of inundation as local inundation information from image information taken by the fixed camera; and a flood risk determination unit for determining the risk of inundation around the building, including the building, based on the precipitation, the surrounding inundation information, and the local inundation information. According to this configuration, the flood determination unit obtains local flood information, including whether or not there is flooding around the building and the water level when flooded, from image information from a fixed camera installed in the building for which damage information is to be confirmed. The flood risk determination unit then determines the flood risk around the building, including the building, based on the amount of precipitation obtained based on publicly available precipitation observation information, surrounding flood information obtained based on publicly available flood hazard maps, and local flood information. In this way, the flood risk in the event of flooding around the building can be obtained. In particular, the risk of flooding in the building and its surroundings is determined based on on-site information obtained from fixed cameras, making it possible to accurately grasp the damage situation at the site based on on-site information.

[0008] In addition, the disaster information management and provision system of the present invention is a disaster information management and provision system that acquires, manages, and provides disaster information, and is characterized by comprising: a sensor terminal that is installed in each of a plurality of buildings and acquires at least one of the disaster information items selected from flood information, earthquake information, and fire information; an information management unit that records and manages the disaster information acquired by the sensor terminal; an information integration unit that estimates the disaster situation at a position between each of the plurality of buildings from the disaster information for each of the plurality of buildings recorded by the information management unit, associates the disaster situation with the observation time when the damage was observed and the position, and stores changes in the disaster situation in a disaster information database; and an information display unit that displays the disaster situation stored in the disaster information database. According to this configuration, a sensor terminal installed in each of the multiple buildings acquires at least one of flood information, earthquake information, and fire information. The acquired damage information is recorded and managed by an information management unit. The information integration unit estimates the damage situation at positions between the multiple buildings based on the damage information for each of the multiple buildings. The information integration unit associates the estimated damage situation with the observation time when the damage was observed and the positions between the multiple buildings, and stores changes in the damage situation in a damage information database. In other words, the damage information acquired by the sensor terminals of multiple buildings is damage information for the local area. That is, based on the local information, the damage situation at each location of the multiple buildings can be estimated. In particular, as described above, the information integration unit estimates the damage situation at locations between each of the multiple buildings. Therefore, the damage situation can be estimated even at locations between multiple buildings equipped with sensor terminals. As a result, it is possible to accurately grasp the damage situation at the local area, including each of the multiple buildings and the surrounding areas of each building.

[0009] In one aspect of the present invention, the building is a convenience store, and the disaster information management and provision system of the present invention is built within the information system of the convenience store. With this configuration, since there are many convenience stores, the area coverage of the acquired local information can be improved. In addition, convenience stores generally have security cameras installed permanently, and by using these security cameras as fixed cameras or, in some cases, as sensor terminals, and by building a management and provision system within the convenience store's information system, the cost of introducing this system can be reduced. [Effects of the Invention]

[0010] According to the present invention, it is possible to provide a disaster information management and provision system that can accurately grasp the damage situation on site. [Brief explanation of the drawings]

[0011] [Figure 1] 1 is a diagram showing a schematic configuration of a disaster information management and provision system according to an embodiment of the present invention. [Figure 2] FIG. 2 is a block diagram showing the functional configuration of a building information processing unit installed in each building in the first embodiment. [Figure 3] FIG. 1 is a plan view showing an example of the arrangement of fixed cameras in a building. [Figure 4] FIG. 10 is a diagram showing an example of an image of a passageway captured by a fixed camera inside a building. [Figure 5] FIG. 1 is a diagram showing an example of a water level scale installed inside a building. [Figure 6] FIG. 1 is a diagram showing an example of a simple seismic intensity display installed in a building. [Figure 7] 1 is a block diagram showing the functional configuration of an information management device that constitutes the disaster information management and provision system. [Figure 8] FIG. 11 is a block diagram showing the functional configuration of a building information processing unit installed in each building in the second embodiment. [Figure 9] FIG. 1 is a diagram showing fixed cameras and sensor terminals installed outside a building. [Figure 10] FIG. 1 is a diagram showing an external monitoring camera installed as a sensor terminal in a building. [Figure 11] FIG. 10 is a diagram illustrating an example of estimating a damage situation at a position between multiple buildings based on damage information acquired from the multiple buildings. DETAILED DESCRIPTION OF THE INVENTION

[0012] The present invention is a disaster information management and provision system that acquires, manages, and provides disaster information related to the degree of earthquake damage and the risk of flooding, targeting an individual building or a surrounding area including multiple buildings. The first embodiment is a disaster information management and provision system that targets an individual building and acquires, manages, and provides damage information related to the local flood risk and earthquake damage of the building from publicly available seismic intensity distribution information, precipitation observation information, observation information based on flood hazard maps, etc., as well as image information taken by fixed cameras installed in the building. The second embodiment is a disaster information management and provision system that targets a surrounding area including multiple buildings, installs sensor terminals that acquire damage information in the buildings, and acquires, manages, and provides damage information related to the flood risk in the surrounding area including the buildings and the earthquake damage of the buildings based on the damage information acquired by the sensor terminals. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, with reference to the accompanying drawings, an embodiment for carrying out a disaster information management and provision system according to the present invention will be described based on the drawings. FIG. 1 shows a schematic configuration of a disaster information management and provision system according to an embodiment of the present invention. (First embodiment) FIG. 1 is a diagram showing a schematic configuration of a disaster information management and provision system according to the first embodiment (and the second embodiment described later). As shown in FIG. 1 , the disaster information management and provision system 1A mainly includes a building information processing unit 10A provided in a building 5 and an information management device 20A. In this embodiment, the disaster information management and provision system 1A collects information on the occurrence of damage inside and outside multiple buildings 5 ​​using the building information processing unit 10A and transmits the collected information to the information management device 20A via a network 100. The information management device 20A manages and provides damage information for each building 5 itself and the surrounding area of ​​the building 5 based on the information received from the building information processing unit 10A of each building 5. In this embodiment, the multiple buildings 5 ​​are assumed to be convenience store buildings, for example. However, the multiple buildings 5 ​​are not limited to convenience stores and may be various types of stores, public facilities, buildings, factories, warehouses, etc. If the building 5 is a convenience store, the disaster information management and provision system 1A can be built in the information system of the convenience store. Furthermore, in this embodiment, a case where there are multiple target buildings 5 ​​will be described, but there may be only one target building 5. In either case where there is one target building 5 or multiple target buildings 5, in this embodiment, damage information is acquired, managed, and provided for each building 5. FIG. 2 is a block diagram showing the functional configuration of a building information processing unit installed in each building. The building information processing unit 10A is installed in the building 5. As shown in FIG. 2, the building information processing unit 10A includes, for example, a fixed camera 11 and a communication unit 13.

[0013] Fig. 3 is a plan view showing an example of the arrangement of fixed cameras in a building, and Fig. 4 is a diagram showing an example of an image of a passageway captured by a fixed camera in the building. As shown in FIG. 3, the fixed cameras 11 include an internal fixed camera 11A installed inside the building 5 and an external fixed camera 11B installed outside the building 5. The internal fixed camera 11A photographs the interior of the convenience store, which is inside the building 5. The internal fixed camera 11A photographs, for example, the aisle 52 between the display shelves 51 installed inside the building 5. When an earthquake occurs, the internal fixed camera 11A photographs, for example, the scattered state of products S that have fallen from the display shelves 51 into the aisle 52, as shown in FIG. 4 . The image of the aisle 52 photographed by the internal fixed camera 11A provides image information for estimating the actual seismic intensity at the site based on the scattered state of the products that have fallen onto the floor 52f of the aisle 52. The internal fixed camera 11A also photographs, for example, the wall surfaces 54, ceiling, etc. inside the building 5. When an earthquake occurs, image information is provided that allows the state of damage to the building 5 to be grasped based on the images photographed by the internal fixed camera 11A of the wall surfaces 54, ceiling, etc. inside the building 5. Furthermore, based on the image of the inside of the building 5 captured by the internal fixed camera 11A, it is possible to provide information that allows visual understanding of whether or not a fire has broken out in the building 5 and the extent of the fire outbreak. For example, if the building 5 is a convenience store, a security camera permanently installed in the convenience store may be used as the fixed camera 11.

[0014] FIG. 5 is a diagram showing an example of a water level scale installed inside a building. The internal fixed camera 11A captures an image of a water level scale 53 installed inside the building 5, as shown in FIG. 3, for example. The water level scale 53 is provided on a wall surface 54 or the like inside the building 5. As shown in FIG. 5, the water level scale 53 has a water level display unit 53a that indicates the water level from a floor surface 52f inside the building 5 when flooding occurs inside the building 5, and a risk level display unit 53b that indicates the level of flood risk according to the water level from the floor surface 52f. The risk level display unit 53b displays the level of flood risk using words such as "warning water level," "flood caution," "evacuation decision," and "flood risk" according to the water level from the floor surface 52f. Image information that allows the occurrence of flooding inside the building 5 to be visually grasped is provided based on the image captured by the internal fixed camera 11A. FIG. 6 is a diagram showing an example of a simple seismic intensity display installed in a building. The internal fixed camera 11A captures an image of a seismic intensity simple indicator 55 installed inside the building 5, as shown in FIG. 3, for example. The seismic intensity simple indicator 55 is placed on the upper surface of a counter 56 or the like installed inside the building 5. As shown in FIG. 6, the seismic intensity simple indicator 55 includes a plurality of spheres 55a-55c and a base 55d that supports the spheres 55a-55c. The spheres 55a-55c have different weights. The base 55d has a hole 55h with an inner diameter smaller than the outer diameter of the spheres 55a-55c. Under normal circumstances, the bottoms of the spheres 55a-55c fit into the hole 55h. In the seismic intensity simple indicator 55, the spheres 55a-55c slip out of the hole 55h depending on the seismic intensity at the time of the earthquake. The weight of sphere 55a is set to be the lightest among spheres 55a to 55c. The weight of sphere 55a is set, for example, so that sphere 55a slips out of hole 55h at a certain seismic intensity (for example, seismic intensity 4). The weight of sphere 55b is set to be heavier than sphere 55a, for example, so that sphere 55b slips out of hole 55h at a certain seismic intensity (for example, seismic intensity 5) greater than that of sphere 55a. The weight of sphere 55c is set even heavier than sphere 55b, for example, so that sphere 55c slips out of hole 55h at a certain seismic intensity (for example, seismic intensity 6) greater than that of sphere 55b. In this way, the weights of spheres 55a to 55c are set so that spheres 55a to 55c slip out of hole 55h sequentially as the seismic intensity increases. Image information that allows the occurrence of an earthquake (seismic intensity) within the building 5 to be visually grasped is provided based on the image of the simplified seismic intensity indicator 55 captured by the internal fixed camera 11A.

[0015] As shown in FIG. 3 , external fixed camera 11B captures images of the outside of building 5. External fixed camera 11B captures, for example, exterior walls 57, window glass, automatic doors, and the parking lot and road surface 58 of building 5. When an earthquake occurs, image information is provided that allows for understanding the damage situation, such as the state of damage to building 5 and the state of the ground around building 5, based on images captured by external fixed camera 11B. Furthermore, when flooding occurs, image information is provided that allows for visual understanding of whether or not flooding has occurred around building 5 and the water level during flooding, based on images captured by external fixed camera 11B. Furthermore, external fixed camera 11B can provide information that allows for visual understanding of whether or not a fire has occurred in building 5 and the state of the outbreak, based on images captured of the outside of building 5. The communication unit 13 transmits image data from the fixed cameras 11 (internal fixed camera 11A, external fixed camera 11B) to the external information management device 20A via the network 100. The network 100 is, for example, a public communication network or the like that allows wireless or wired communication between the communication unit 13 and the data receiving unit 22 of the information management device 20A. The communication unit 13 is provided with an antenna 13a, for example, on the roof of the building 5, for performing data communication.

[0016] FIG. 7 is a block diagram showing the functional configuration of an information management device that constitutes the disaster information management and provision system. 7, the information management device 20A functionally comprises a data input unit 21, a data receiving unit 22, an information management unit 23, a precipitation amount acquisition unit 24, a flood inundation distribution acquisition unit 25, a seismic intensity information acquisition unit 26, a flood determination unit 27, a flood risk determination unit 28, a building earthquake damage estimation unit 29, an earthquake damage database (database) 30, a damage information database 31, an information integration unit 32, and an information output unit 33. The information management device 20A is made up of a computer device, and manages and provides damage information for multiple buildings 5 ​​that are the object of management. The data input unit 21 receives input of building information about a building 5 that is a management target and for which damage information is to be checked (the building 5 that is a management target). The data input unit 21 is used to input information to a computer device from outside, and is, for example, a keyboard, a mouse, or the like. The data input unit 21 may acquire building information from a database or the like that stores design information about each building 5. The building information about the building 5 includes, for example, the location of the building 5 (building location), such as address and location coordinates, elevation, structural type (steel frame, reinforced concrete, etc.), and number of floors. The building information may also include, for example, information about the size of the building 5, the age of the building, etc. The data receiving unit 22 receives image data from the fixed cameras 11 in each building 5 transmitted via the network 100 .

[0017] The earthquake damage database (database) 30 stores data showing the relationship between the ground surface acceleration that occurs when an earthquake occurs and the earthquake damage to each building 5. Data showing such a relationship can be obtained, for example, by performing a simulation in advance based on building information, ground information, etc. of the building 5. The disaster information database 31 stores various information necessary for processing performed by the information management device 20A. For example, the disaster information database 31 stores building information for each building 5 input to the data input unit 21. The disaster information database 31 also stores map information for the area including the location of each building 5. The disaster information database 31 also stores image data from each fixed camera 11 that captures images of the inside and outside of each building 5 under normal conditions when no damage such as an earthquake or flooding has occurred. The disaster information database 31 also stores information on the geology and other aspects of the ground at the location where each building 5 is installed. This ground information may be obtained from the results of a geological survey conducted during the construction work for installing the building 5, or may be obtained via the network 100 from ground information disclosed by the Ministry of Land, Infrastructure, Transport and Tourism.

[0018] The information management unit 23 associates the image received by the data receiving unit 22 with the time (hour) at which the image was taken and the location of the building 5 where the fixed camera 11 that took the image is installed, and stores the images in the disaster information database 31 as described above. The precipitation amount acquiring unit 24 acquires the amount of precipitation around the building 5 from publicly available precipitation observation information via the network 100. Based on the location information of the building 5, the precipitation amount acquiring unit 24 acquires information about the current amount of precipitation around the building 5 from precipitation observation information published on the website of the Japan Meteorological Agency, for example. The publicly available precipitation observation information may be numerical values ​​of precipitation, or may be image information in which information visually indicating the precipitation amount is displayed using color coding or the like on a map of the area including the vicinity of building 5. If the precipitation observation information is numerical values ​​of precipitation, the precipitation amounts at, for example, multiple points around building 5 are acquired as the precipitation amount around building 5. If the precipitation observation information is image information, precipitation acquisition unit 24 assigns map coordinate information (e.g., information such as latitude and longitude) to the image using, for example, known georeferencing technology. Then, based on the coordinate information corresponding to each point, the precipitation amount corresponding to that point in the image is extracted and acquired as the precipitation amount around building 5. Here, the precipitation observation information acquired by the precipitation acquisition unit 24 is not limited to the homepage of the Japan Meteorological Agency, but may be acquired from a third party organization (such as a government agency or company) that provides similar observation information. The precipitation amount acquisition unit 24 stores the amount of precipitation around the building 5 in the disaster information database 31.

[0019] The flood inundation distribution acquisition unit 25 acquires surrounding inundation information around the building 5 from publicly available flood hazard maps via the network 100. Based on the latest flood hazard maps published on the websites of government ministries and agencies, local governments, etc., the flood inundation distribution acquisition unit 25 acquires surrounding inundation information, such as estimated flood heights and estimated durations of inundation, for the area surrounding the location of the building 5. This surrounding inundation information may be, for example, estimated flood heights according to the amount of precipitation, or an estimated maximum flood height in the area. The flood inundation distribution acquisition unit 25 treats publicly available flood hazard maps as images and assigns map coordinate information (such as latitude and longitude information) using, for example, known georeferencing technology. Then, based on the coordinate information corresponding to each point, it extracts inundation information corresponding to that point in the image and acquires this as surrounding inundation information around the building 5. The flood inundation distribution acquisition unit 25 stores surrounding inundation information around the building 5 in the disaster information database 31.

[0020] The flooding determination unit 27 acquires, from image information captured by the fixed camera 11, the presence or absence of flooding in the surrounding area, including the inside of the building 5, and the water level at the time of flooding, as local flooding information. The flooding determination unit 27 determines the presence or absence of flooding in the surrounding area of ​​the building 5 by analyzing image information of the inside and outside of the building 5 captured by the internal fixed camera 11A and the external fixed camera 11B using an appropriate image processing method. If it determines that flooding has occurred, the flooding determination unit 27 detects the water level inside the building 5 on the water level scale 53, for example, by analyzing an image of the water level scale 53 captured by the internal fixed camera 11A using an appropriate image processing method. The flooding determination unit 27 acquires the detected water level as local flooding information. The flood determination unit 27 stores the local flood information in the disaster information database 31.

[0021] The flood risk determination unit 28 refers to the disaster information database 31 and determines the flood risk around the building, including the building, based on the current precipitation acquired by the precipitation acquisition unit 24, the surrounding flooding information acquired by the flood inundation distribution acquisition unit 25, and the local flooding information acquired by the inundation determination unit 27. In this case, the inundation risk determination unit 28 determines the flood risk based on the estimated value of the flood height in the surrounding flooding information based on the flood hazard map, and the actual precipitation and water level in the local flooding information. When the true flood height is defined as the flood height that is considered to be closest to the actual value based on local flood information, which is information from the local area, there is a possibility that there will be a large difference between the estimated flood height in the surrounding flood information based on a flood hazard map, for example, and the true flood height. In such cases, for example, a discrepancy coefficient can be calculated by dividing the estimated value by the true flood height, and when heavy rain or the like occurs again at a later date and the flood risk is assessed again, the estimated flood height can be divided by this discrepancy coefficient to improve the accuracy of the estimated flood height. Alternatively, the flood risk assessment unit 28 may use an image of the water level scale 53 as local flood information, and assess the flood risk based on the image and the level of flood risk displayed on the water level scale 53. By doing this, it is possible to more accurately determine the risk of flooding based on the local flooding situation. Furthermore, even if the information acquired by the precipitation amount acquisition unit 24 and the flood inundation distribution acquisition unit 25 is image information as described above, the images are provided with map coordinate information, and the precipitation amount and inundation information for each point are associated with the coordinate information, making it possible to accurately acquire precipitation amount and inundation information for each point. This improves the accuracy of determining the risk of inundation.

[0022] The seismic intensity information acquisition unit 26 acquires seismic intensity information for the area around the building 5 from publicly available seismic intensity distribution information via the network 100. The seismic intensity information acquisition unit 26 acquires seismic intensity information for the surrounding area including the location of the building 5 based on the seismic intensity distribution information published on the website of the Japan Meteorological Agency at the time of the earthquake. The publicly available seismic intensity distribution information may be numerical information indicating seismic intensity, or may be image information in which information visually indicating the distribution of seismic intensity is displayed using color coding or the like on a map of the area including the area around building 5. If the seismic intensity distribution information is numerical, the numerical values ​​at, for example, multiple points around building 5 are acquired as the seismic intensity around building 5. If the seismic intensity distribution information is image information, the seismic intensity information acquisition unit 26 assigns map coordinate information (e.g., information such as latitude and longitude) to the image using, for example, known georeferencing technology. Then, based on the coordinate information corresponding to each point, the seismic intensity corresponding to that point in the image is extracted and acquired as seismic intensity information around building 5. The seismic intensity information acquisition unit 26 stores the seismic intensity information around the building 5 in the disaster information database 31.

[0023] The building earthquake damage estimation unit 29 refers to the damage information database 31 and estimates the earthquake damage level of the building 5 based on the building information of each building 5 and the seismic intensity information acquired by the seismic intensity information acquisition unit 26. The building earthquake damage estimation unit 29 estimates the earthquake damage level of the building 5 based on the building information of each building 5 and the seismic intensity information acquired by the seismic intensity information acquisition unit 26, for example, by using an earthquake damage database (database) 30 that indicates the relationship between ground surface acceleration and earthquake damage to buildings. Alternatively, the building earthquake damage estimation unit 29 can estimate the earthquake damage level of the building 5 from image information of images captured by the fixed camera 11, in addition to or instead of the earthquake damage database 30. For example, by analyzing an image of the passage 52 captured by the internal fixed camera 11A and an image of the passage 52 under normal conditions stored in the damage information database 31 using an appropriate image processing method, the actual seismic intensity at the site can be estimated based on the scattering state of the products S that have fallen to the floor 52f of the passage 52, and the earthquake damage level can be estimated. Also, the damage level of the building 5 at the time of an earthquake may be grasped based on images of the walls 54, ceiling, etc. inside the building 5 captured by the internal fixed camera 11A. Also, the actual seismic intensity inside the building 5 may be estimated based on the state of the sphere 55a captured by an appropriate image processing method based on an image of the seismic intensity simple indicator 55 captured by the internal fixed camera 11A, and the state of the sphere 55a can be analyzed using an appropriate image processing method to estimate the actual seismic intensity inside the building 5, and the earthquake damage level can be estimated. Furthermore, the degree of earthquake damage can also be determined based on the images taken by the external fixed camera 11B, the state of damage to the building 5, the state of the ground around the building 5, etc. When estimating the degree of earthquake damage based on this image information, the building earthquake damage estimation unit 29 may compare images that have been taken in advance by each fixed camera 11 under normal circumstances and stored in the damage information database 31 with images newly taken under disaster conditions. When estimating seismic intensity based on images captured by fixed camera 11 as described above, if the estimated seismic intensity, i.e., the seismic intensity estimated based on on-site information and thought to be close to the actual value, is taken as the true seismic intensity, there is a possibility that there will be a large difference between the seismic intensity value in the seismic intensity information based on published seismic intensity distribution information and the true seismic intensity. In such cases, for example, the value of the seismic intensity in the seismic intensity information can be divided by the true seismic intensity to calculate a discrepancy coefficient, and when another earthquake occurs at a later date and the earthquake damage degree is to be determined again, the value of the seismic intensity in the seismic intensity information can be divided by this discrepancy coefficient to increase the accuracy of the value of the seismic intensity in the seismic intensity information. By doing the above, it is possible to determine (estimate) the degree of earthquake damage with higher accuracy based on the earthquake damage situation at the site. Furthermore, as described above, even if the seismic intensity distribution information acquired by the seismic intensity information acquisition unit 26 is image information, the image is provided with map coordinate information, and each point is associated with the seismic intensity at that point via the coordinate information, so the seismic intensity at each point can be accurately acquired, thereby improving the accuracy of determining the earthquake damage degree.

[0024] The information integration unit 32 integrates and manages the information generated and estimated by the flood risk assessment unit 28 and the building earthquake damage estimation unit 29, and stores it as integrated damage information in the damage information database 31. If there are multiple target buildings 5, the information integration unit 32 may integrate the damage information for multiple buildings 5 ​​in the same area by associating it with map information for the area in which these multiple buildings 5 ​​are located. The information integration unit 32 may generate image information in which the precipitation observation information (observation map) acquired by the precipitation acquisition unit 24, the flood hazard map acquired by the flood inundation distribution acquisition unit 25, and the seismic intensity information acquired by the seismic intensity information acquisition unit 26 are superimposed on map information including the location of each building 5. The information output unit 33 outputs to the outside the integrated damage information integrated by the information integration unit 32 and stored in the damage information database 31. When there are multiple target buildings 5, the information output unit 33 may output to the outside the integrated damage information for the multiple buildings 5 ​​located in the same area integrated by the information integration unit 32 in association with map information of the area in which these multiple buildings 5 ​​are located. The information output unit 33 outputs the information stored in the disaster information database 31 by the information integration unit 32 to the outside via the network 100. The information output unit 33 outputs the information to an external terminal 80. The external terminal 80 is, for example, a smartphone terminal, a tablet terminal, or the like, and is equipped with an information display unit 81 such as a monitor screen that can display information transmitted from the information management device 20A. The user of the terminal 80 is, for example, the owner of the building 5 (convenience store), staff, or an employee of the convenience store operating company. The user of the terminal 80 may also be, for example, a resident living in the vicinity of each building 5. The information output unit 33 outputs the estimated information to the user's terminal 80.

[0025] Next, an example of operation of the disaster information management and provision system 1A described above will be shown. The disaster information management and provision system 1A can be simply operated by mainly using images taken by the fixed camera 11. For example, in the event of rainfall that may cause flooding, the disaster information management and provision system 1A uses fixed cameras 11 (internal fixed camera 11A, external fixed camera 11B) installed in each building 5 to photograph the inside and outside of the building 5. The image data photographed by the fixed cameras 11 is transmitted from the communication unit 13 to the information management device 20A via the network 100. In the information management device 20A, the precipitation acquisition unit 24 acquires the latest precipitation amount around the building 5 at that time from publicly available precipitation observation information as disaster warning information transmitted from a third-party organization. The flood inundation distribution acquisition unit 25 acquires surrounding inundation information around the building 5 from publicly available flood hazard maps. The inundation determination unit 27 acquires local inundation information, including the presence or absence of inundation around the building 5 and the water level at the time of inundation, from image information captured by the fixed camera 11. The inundation risk determination unit 28 determines the flood risk based on the precipitation amount, surrounding inundation information, and local inundation information acquired in this manner. The flood risk determination unit 28 integrates the results of its flood risk assessment as integrated damage information by the information integration unit 32 and stores it in the damage information database 31. The integrated damage information is transmitted from the information output unit 33 to the terminal 80 via the network 100. The terminal 80 displays the integrated disaster information transmitted from the information management device 20A on an information display unit 81 such as a monitor screen as text information, image information, and the like.

[0026] For example, in the event of an earthquake, in the disaster information management and provision system 1A, fixed cameras 11 (internal fixed camera 11A, external fixed camera 11B) installed in each building 5 photograph the inside and outside of the building 5. The image data photographed by the fixed cameras 11 is transmitted from the communication unit 13 to the information management device 20A via the network 100. In the information management device 20A, the seismic intensity information acquisition unit 26 acquires seismic intensity information for the area around the building 5 from publicly available seismic intensity distribution information. In the information management device 20A, the building earthquake damage estimation unit 29 estimates the earthquake damage level of the building 5 based on the building information of each building 5 stored in the damage information database 31 and the seismic intensity information acquired by the seismic intensity information acquisition unit 26. The building earthquake damage estimation unit 29 estimates the earthquake damage level of the building 5 based on the building information of each building 5 and the seismic intensity information acquired by the seismic intensity information acquisition unit 26, and on the earthquake damage database 30 that indicates the relationship between ground surface acceleration and earthquake damage to buildings. The building earthquake damage estimation unit 29 estimates the earthquake damage level of the building 5 from the image information of the images captured by the fixed camera 11. For example, by analyzing, using an appropriate image processing method, an image of the passageway 52 captured by the internal fixed camera 11A and an image of the passageway 52 under normal conditions stored in the damage information database 31, the actual seismic intensity at the site is estimated based on the scattered state of merchandise that has fallen to the floor 52f of the passageway 52, and the earthquake damage level is estimated. The damage level of the building 5 at the time of an earthquake may also be determined based on images of the walls 54, ceiling, etc., captured by the internal fixed camera 11A. The actual seismic intensity within the building 5 may also be estimated based on an appropriate image processing method, by analyzing the state of the sphere 55a based on an image of the simple seismic intensity indicator 55 captured by the internal fixed camera 11A. The damage level of the building 5 may also be determined based on the damage level of the building 5, the state of the ground around the building 5, and the like, based on images captured by the external fixed camera 11B. The earthquake damage degree determination results from the building earthquake damage estimation unit 29 are integrated as integrated damage information by the information integration unit 32 and stored in the damage information database 31. The integrated damage information is transmitted from the information output unit 33 to the terminal 80 via the network 100. The terminal 80 displays the integrated damage information transmitted from the information management device 20A on an information display unit 81 such as a monitor screen as text information, image information, etc.

[0027] The disaster information management and provision system 1A as described above is a disaster information management and provision system 1A that acquires, manages, and provides disaster information, and is characterized by comprising: a data input unit 21 for inputting building information including the building location and elevation of the building 5 for which damage information is to be checked; a precipitation acquisition unit 24 for acquiring the precipitation amount around the building 5 from publicly available precipitation observation information; a flood inundation distribution acquisition unit 25 for acquiring surrounding inundation information around the building 5 from publicly available flood hazard maps; a fixed camera 11 installed on the building 5; a flood determination unit 27 for acquiring the presence or absence of inundation around the building 5 and the water level at the time of inundation as local inundation information from image information taken by the fixed camera 11; and a flood risk determination unit 28 for determining the risk of inundation around the building 5, including the building 5, based on the precipitation amount, surrounding inundation information, and local inundation information. With this configuration, the flood determination unit 27 obtains local flood information, including the presence or absence of flooding around the building and the water level at the time of flooding, from image information from the fixed camera 11 installed in the building 5 for which damage information is to be confirmed. The flood risk determination unit 28 then determines the flood risk around the building 5, including the building 5, based on the amount of precipitation obtained based on publicly available precipitation observation information, surrounding flood information obtained based on publicly available flood hazard maps, and local flood information. In this way, the flood risk in the event of flooding in the vicinity of building 5 can be obtained. In particular, the flood risk of the building 5 and its surroundings is determined based on on-site information obtained from the fixed camera 11. This makes it possible to accurately grasp the damage situation at the site based on on-site information.

[0028] The disaster information management and provision system 1A as described above is a disaster information management and provision system 1A that acquires, manages, and provides disaster information, and includes a data input unit 21 for inputting building information including structural type and floor number information of the building 5 for which damage information is to be confirmed, a seismic intensity information acquisition unit 26 for acquiring seismic intensity information around the building 5 from publicly available seismic intensity distribution information, a precipitation amount acquisition unit 24 for acquiring precipitation around the building 5 from publicly available precipitation observation information, a flood inundation distribution acquisition unit 25 for acquiring surrounding inundation information around the building 5 from publicly available flood hazard maps, and 5, a flood determination unit 27 that obtains, from image information taken by the fixed camera 11, the presence or absence of flooding in the vicinity of the building 5 and the water level at the time of flooding as local flooding information, an earthquake damage database (database) 30 that indicates the relationship between ground surface acceleration and earthquake damage to buildings based on building information and seismic intensity information, and a building earthquake damage estimation unit 29 that estimates the earthquake damage level of the building 5 from at least one of the image information from the fixed camera 11, and a flood risk determination unit 28 that determines the flood risk level based on precipitation, surrounding flooding information, and local flooding information. With this configuration, the flood determination unit 27 obtains local flood information, including the presence or absence of flooding and the water level at the time of flooding, around the building 5 from image information from the fixed camera 11 installed in the building 5 for which damage information is to be checked. The flood risk determination unit 28 then determines the flood risk based on the amount of precipitation obtained based on publicly available precipitation observation information, surrounding flood information obtained based on publicly available flood hazard maps, and the local flood information. Furthermore, the building earthquake damage estimation unit 29 estimates the earthquake damage level of the building 5 based on the seismic intensity information around the building 5 acquired from the publicly available seismic intensity distribution information and the building information. In this way, it is possible to obtain information on the flood risk in the event of flooding around the building 5 and seismic intensity in the event of an earthquake. In particular, the flood risk determination unit 28 determines the flood risk based on local flood information obtained from image information from fixed cameras 11 installed in the building 5 for which damage information is to be confirmed. Furthermore, the building earthquake damage estimation unit 29 can be configured to estimate the earthquake damage level of the building 5 from the image information from the fixed cameras 11. In this way, the flood risk and earthquake damage level are determined and estimated based on the local information obtained from the fixed cameras 11. This makes it possible to accurately grasp the damage situation on site based on the local information.

[0029] In particular, in this embodiment, when the above-described configuration is adopted, there is no particular need for sensors, such as acceleration sensors or water level gauges, for acquiring on-site information necessary for estimating seismic intensity and water level in each building 5. Therefore, the management providing system 1A can be realized with a simple configuration. In the above embodiment, the information management device 20A is provided separately from the information processing unit 10 of the building 5. However, for example, the information management device 20A may be provided in each building 5. In other words, the disaster information may be acquired, managed, and provided directly in each building 5.

[0030] Furthermore, building 11 is a convenience store, and disaster information management and provision system 1A is built within the information system of the convenience store. With this configuration, since there are many convenience stores, the area coverage of the acquired local information can be improved. In addition, convenience stores generally have security cameras permanently installed, and by using these security cameras as fixed cameras 11 and by constructing the management and provision system 1A within the convenience store's information system, the cost of introducing this system 1A can be reduced.

[0031] (Modification of the first embodiment) As described in the first embodiment above, the building earthquake damage estimation unit 29 may use both the earthquake damage database 30 and image information of images taken by the fixed camera 11 when estimating the degree of earthquake damage. The disaster information management and provision system may also estimate only the earthquake damage level as the disaster information. In other words, the damage information management and provision system of this modified example is a damage information management and provision system that acquires, manages, and provides damage information, and is characterized by comprising a data input unit 21 for inputting building information including structural type and floor number information of the building 5 for which damage information is to be checked, a seismic intensity information acquisition unit 26 for acquiring seismic intensity information around the building 5 from publicly available seismic intensity distribution information, a fixed camera 11 installed on the building 5, an earthquake damage database (database) 30 that shows the relationship between ground surface acceleration and building earthquake damage based on the building information and seismic intensity information, and a building earthquake damage estimation unit 29 that estimates the degree of earthquake damage to the building 5 from the image information of the fixed camera 11. According to this configuration, the building earthquake damage estimation unit 29 estimates the degree of earthquake damage to the building 5 based on the image information from the fixed camera 11 installed in the building 5 for which damage information is to be checked, the seismic intensity information around the building 5 obtained from the publicly available seismic intensity distribution information, and the building information. In this way, seismic intensity information in the vicinity of the building 5 during an earthquake can be obtained. In particular, the degree of earthquake damage is estimated based on on-site information obtained from the fixed camera 11. This makes it possible to accurately grasp the damage situation at the site based on on-site information.

[0032] Second Embodiment Next, a second embodiment of the disaster information management and provision system according to the present invention will be described. In the second embodiment described below, components common to the first embodiment will be assigned the same reference numerals, and duplicated descriptions will be omitted. As shown in FIG. 1 , the disaster information management and provision system 1B mainly includes a building information processing unit 10B provided in a building 5, and an information management device 20B. In this embodiment, the disaster information management and provision system 1B collects information related to the occurrence of disasters inside and outside multiple buildings 5 ​​using the building information processing unit 10B, and transmits the collected information to the information management device 20B via the network 100. The information management device 20B manages and provides disaster information about each building 5 itself and the surrounding area of ​​the building 5, based on the information received from the building information processing unit 10B of each building 5. In the first embodiment already described, the structure can be established with a single building 5, but in the second embodiment, it is assumed that there are a plurality of buildings 5. FIG. 8 is a block diagram showing the functional configuration of a building information processing unit installed in each building in this embodiment. The building information processing unit 10B is installed in each building 5. As shown in FIG. 8, the building information processing unit 10B includes, for example, a fixed camera 11, a sensor terminal 12, and a communication unit 13.

[0033] FIG. 9 is a diagram showing fixed cameras and sensor terminals installed outside a building. As shown in FIGS. 3 and 9, the external fixed camera 11B captures images of the outside of the building 5. The external fixed camera 11B captures, for example, the exterior walls 57, window glass, automatic doors, and the parking lot and road surface 58 of the road in front of the building 5. When an earthquake occurs, image information is provided that allows the damage status of the building 5, the state of the ground around the building 5, and other damage status to be grasped based on the images captured by the external fixed camera 11B. Furthermore, when flooding occurs, image information is provided that allows the presence or absence of flooding around the building 5 and the water level at the time of flooding to be visually grasped based on the images captured by the external fixed camera 11B. Furthermore, the external fixed camera 11B provides image information that allows the presence or absence of a fire in the building 5 and the state of the occurrence of the fire to be visually grasped based on the images captured of the outside of the building 5. For example, if the building 5 is a convenience store, a security camera permanently installed in the convenience store may be used as the fixed camera 11.

[0034] As shown in Figures 8 and 9, the sensor terminal 12 includes one or more sensors that detect information related to the occurrence of damage inside and outside each building 5. The sensor terminal 12 acquires at least one or more pieces of damage information from among flood information, earthquake information, and fire information. In this embodiment, the sensor terminal 12 includes, for example, an acceleration sensor 12a. The acceleration sensor 12a is installed, for example, on the roof or in the attic of the building 5. The acceleration sensor 12a detects acceleration occurring in the building 5 when an earthquake occurs. The acceleration sensor 12a may be installed in multiple locations in the building 5. In this embodiment, the sensor terminal 12 includes, for example, a water level meter 12b. For example, an ultrasonic water level meter is used as the water level meter 12b. The water level meter 12b is provided on the eaves or outer wall of the building 5. The water level meter 12b is installed facing the road surface 58 outside the building 5, and detects the presence or absence of flooding and the water level when flooding occurs.

[0035] FIG. 10 is a diagram showing an external monitoring camera installed as a sensor terminal in a building. As shown in FIG. 10, in this embodiment, an external monitoring camera 12c that captures images of other buildings 8 located around a building 5 is provided as the sensor terminal 12. The sensor terminal 12 may also include sensors that can detect, for example, rainfall, temperature, air pressure, relative humidity, wind direction and speed, solar radiation, pollen count, etc. The sensor terminal 12 may also include a fire alarm. For example, if the building 5 is a convenience store, a security camera permanently installed in the convenience store may be used as the external monitoring camera 12c. The communication unit 13 transmits image data from the fixed cameras 11 (internal fixed camera 11A, external fixed camera 11B) and the external monitoring camera 12c, and detection data from each sensor of the sensor terminal 12 (acceleration sensor 12a, water level gauge 12b, etc.) as disaster information to the external information management device 20B via the network 100.

[0036] As shown in Figure 7, the information management device 20B functionally comprises a data input unit 21, a data receiving unit 22, an information management unit 23, a precipitation acquisition unit 24, a flood inundation distribution acquisition unit 25, a seismic intensity information acquisition unit 26, a flood determination unit 27, a flood risk determination unit 28, a building earthquake damage estimation unit 29, an earthquake damage database 30, a disaster information database 31, an information integration unit 32, and an information output unit 33. The data receiving unit 22 of this embodiment receives disaster information such as image data from the fixed cameras 11 and external surveillance cameras 12c of each building 5, and detection data from the acceleration sensor 12a and water level gauge 12b, transmitted via the network 100. The information management unit 23 of this embodiment records and manages the damage information received by the data receiving unit 22 and acquired by the sensor terminals 12 of each building 5 in the damage information database 31. The information management unit 23 stores the time when each sensor terminal 12 detected the detection data and the location of the building 5 in which each sensor 12 is installed in the damage information database 31 in association with the damage information acquired by the sensor terminal 12. Furthermore, the information management unit 23 stores images of other buildings 8 taken by the external monitoring camera 12c in the disaster information database 31 in association with the time of taking the image and the position of the other building 8 that was the subject of the image.

[0037] As in the first embodiment, the precipitation amount acquiring unit 24 acquires the amount of precipitation around each building 5 from precipitation observation information made public by third-party organizations (government agencies, companies, etc.) via the network 100. The precipitation amount acquiring unit 24 stores the amount of precipitation around the building 5 in the disaster information database 31. Similar to the first embodiment, the flood inundation distribution acquisition unit 25 also acquires surrounding inundation information around the building 5 from flood hazard maps published by third-party organizations (government agencies, companies, etc.) via the network 100. The flood inundation distribution acquisition unit 25 stores the surrounding inundation information around the building 5 in the disaster information database 31. The flooding determination unit 27 of this embodiment acquires, as local flooding information, the presence or absence of flooding in the vicinity of the building 5 and the water level at the time of flooding, based on detection data detected by the water level gauge 12b. As in the first embodiment, the flooding determination unit 27 can also acquire, as local flooding information, the presence or absence of flooding in the vicinity of the building 5 and the water level at the time of flooding, from image information captured by the fixed camera 11. The flooding determination unit 27 acquires the detected water level as local flooding information. The flood determination unit 27 stores the local flood information in the disaster information database 31. In this embodiment, the flood risk determination unit 28 refers to the disaster information database 31 and determines the flood risk based on the local flood information acquired by the flood determination unit 27. The flood risk determination unit 28 may determine the flood risk based on the current precipitation amount acquired by the precipitation amount acquisition unit 24, surrounding flood information acquired by the flood inundation distribution acquisition unit 25, and local flood information acquired by the flood determination unit 27, in addition to the local flood information acquired by the flood determination unit 27.

[0038] The seismic intensity information acquisition unit 26 of this embodiment acquires seismic intensity information for the vicinity of building 5 from seismic intensity distribution information made public by third-party organizations (government agencies, companies, etc.) via network 100. The seismic intensity information acquisition unit 26 acquires seismic intensity information for the surrounding area including the location of building 5 based on seismic intensity distribution information made public on the website of the Japan Meteorological Agency at the time of the earthquake. The seismic intensity information acquisition unit 26 stores the seismic intensity information for the vicinity of building 5 in the disaster information database 31. The building earthquake damage estimation unit 29 refers to the damage information database 31 and estimates the earthquake damage level of the building 5 based on the acceleration data of the building 5 detected by the acceleration sensor 12a. The building earthquake damage estimation unit 29 may estimate the earthquake damage level of the building 5 based on the building information of each building 5 and the seismic intensity information acquired by the seismic intensity information acquisition unit 26, in addition to the acceleration data of the building 5 detected by the acceleration sensor 12a. The building earthquake damage estimation unit 29 may estimate the earthquake damage level of the building 5 from the earthquake damage database 30, based on the building information of each building 5 and the acceleration data detected by the acceleration sensor 12a. Furthermore, the building earthquake damage estimation unit 29 may estimate the earthquake damage level of the building 5 by taking into account the seismic intensity information for the surrounding area including the location of the building 6, which information is acquired by the seismic intensity information acquisition unit 26. The building earthquake damage estimation unit 29 may also evaluate the soundness of the building 5. Furthermore, the building earthquake damage estimation unit 29 can also estimate the earthquake damage level of the building 5 by taking into account the image information of the image taken by the fixed camera 11, as in the first embodiment.

[0039] As in the first embodiment, the information integration unit 32 integrates and manages the information generated and estimated by the flood risk assessment unit 28 and the building earthquake damage estimation unit 29 and stores the information in the damage information database 31. In particular, in the second embodiment, as will be described later with reference to Fig. 11 , the information integration unit 32 estimates the damage situation at positions between each of the multiple buildings 5 ​​from the damage information for each of the multiple buildings 5 ​​recorded in the damage information database 31 by the information management unit 23. The information integration unit 32 associates the damage situation at positions between each of the multiple buildings 5 ​​with the observation time when the damage was observed and the position, and stores changes in the damage situation in the damage information database 31. The information output unit 33 outputs the disaster situation stored in the disaster information database 31 to an external terminal 80 via the network 100.

[0040] The damage information management and provision system 1B of this embodiment uses detection data detected by the sensor terminals 12 provided in each building 5 to determine and estimate the flood risk and earthquake damage level, thereby providing more accurate damage information. Furthermore, when flooding occurs, damage information is provided that takes into account not only the detection data detected by the sensor terminals 12, but also the current precipitation acquired by the precipitation amount acquisition unit 24 and surrounding flood information acquired by the flood inundation distribution acquisition unit 25, thereby enabling more accurate determination of the flood risk than in the first embodiment. Furthermore, when an earthquake occurs, damage information is provided that takes into account not only the detection data detected by the sensor terminals 12, but also the seismic intensity information acquired by the seismic intensity information acquisition unit 26, thereby enabling more accurate determination of the earthquake damage level than in the first embodiment. In the disaster information management and provision system 1B of this embodiment, when a fire breaks out in another building 8, an image of the exterior of the other building 8 taken by the external monitoring camera 12c can be output to a terminal 80 of the manager of the other building 8. This allows the manager of the other building 8 to understand the status of the fire in the building 8 based on the image taken in the building 5 that is the management target of the disaster information management and provision system 1B. For example, a user in the building 8 can use such information to determine which location in the building 8 is far from the source of the fire and is relatively safe, and to determine an evacuation route.

[0041] FIG. 11 is a diagram showing an example of estimating a damage situation at a position between a plurality of buildings based on damage information acquired from the plurality of buildings. 11, the disaster information management and provision system 1B can also estimate the damage situation at a position P between multiple buildings 5 ​​based on the damage information obtained from the multiple buildings 5. In this case, the information integration unit 32 of the disaster information management and provision system 1B estimates the damage situation at the position P between each of the multiple buildings 5 ​​from the damage information for each of the multiple buildings 5. For this purpose, the information integration unit 32 estimates the damage situation by interpolating damage information (flood water level, duration of flooding, predicted flood water level, acceleration, seismic intensity, fire detection, etc.) for multiple buildings 5 ​​around position P, taking into account the distance from position P, elevation difference, etc. For example, in the case of an earthquake, the information integration unit 32 estimates the damage situation at the position P based on the acceleration, seismic intensity, and the like of the multiple buildings 5 ​​around the position P. In addition, if there is a risk of flooding, the information integration unit 32 estimates the damage situation at position P based on the flood water levels, flood duration, and predicted flood water levels of multiple buildings 5 ​​surrounding position P. Alternatively, if a fire breaks out at a position P between multiple buildings 5, as described above, an image of the exterior of the building located at position P can be taken to grasp and estimate the extent of the fire in that building. The information integration unit 32 associates the damage situation at a position P between each of the multiple buildings 5, the observation time when the damage was observed, and the position P, and stores changes in the damage situation in the damage information database 31. The information output unit 33 outputs the damage situation related to the position P stored in the damage information database 31 to the terminal 80 of the user related to the position P. Examples of the user related to the position P include the owner or user of another building 9 (e.g., a building, an apartment building, a factory, a public facility, etc.) erected at the position P.

[0042] The disaster information management and provision system 1B of the present invention is a disaster information management and provision system 1B that acquires, manages, and provides disaster information, and is provided with: a sensor terminal 12 that is provided in each of a plurality of buildings 5 ​​and acquires at least one of disaster information from flood information, earthquake information, and fire information; an information management unit 23 that records and manages the disaster information acquired by the sensor terminal 12; an information integration unit 32 that estimates the disaster situation at a position P between each of the plurality of buildings 5 ​​from the disaster information for each of the plurality of buildings 5 ​​recorded by the information management unit 23, associates the disaster situation with the observation time when the damage was observed and the position P, and stores changes in the disaster situation in a disaster information database 31; and an information display unit 81 that displays the disaster situation stored in the disaster information database 31. According to this configuration, the sensor terminal 12 provided in each of the multiple buildings 5 ​​acquires at least one of damage information from flooding information, earthquake information, and fire information. The acquired damage information is recorded and managed by the information management unit 23. The information integration unit 32 estimates the damage situation at a position P between each of the multiple buildings 5 ​​from the damage information for each of the multiple buildings 5. The information integration unit 32 associates the estimated damage situation with the observation time when the damage was observed, and the position P between each of the multiple buildings 5, and stores changes in the damage situation in the damage information database 31. In other words, the damage information acquired by the sensor terminals 12 of the multiple buildings 5 ​​is damage information for the local area. That is, the damage situation at the location of each of the multiple buildings 5 ​​can be estimated based on the local information. In particular, as described above, the information integration unit 32 estimates the damage situation at the location P between each of the multiple buildings 5. Therefore, it is possible to estimate the damage situation even at the location P between multiple buildings 5 ​​equipped with sensor terminals 12. As a result, it is possible to accurately grasp the damage situation at the local area including each of the multiple buildings 5 ​​and the surrounding areas of each building 5.

[0043] Furthermore, the building 11 is a convenience store, and the disaster information management and provision system 1B is built within the information system of the convenience store. With this configuration, since there are many convenience stores, the area coverage of the acquired local information can be improved. In addition, convenience stores generally have security cameras permanently installed, and by using these security cameras as sensor terminals 12 (external surveillance cameras 12c) or fixed cameras 11, and by constructing a management and provision system 1B within the convenience store's information system, the cost of introducing this system 1B can be reduced.

[0044] Furthermore, the information integration unit 32 estimates the damage situation using disaster warning information that is made public by and transmitted from a third party organization. With this configuration, by combining damage information from multiple buildings 5 ​​equipped with sensor terminals 12 with disaster warning information (precipitation amount, surrounding flooding information, seismic intensity information) published and transmitted by a third-party organization, it becomes possible to grasp the damage situation on site more accurately.

[0045] (Modification of the embodiment) In the second embodiment, an image of another building 8 taken by the external monitoring camera 12c of the building 5 is provided, but the present invention is not limited to this. For example, as shown in Fig. 9, if a camera 8c installed in another building 8 takes an image of the building 5 that is the management target of the disaster information management and provision system 1B, in the event of a disaster such as a flood, earthquake, or fire, the image data taken by the camera 8c can be provided to the information management device 20B, and based on this, a detailed situation around the building 5 can be grasped.

[0046] (Other variations) In the configurations shown in the above embodiments, it is also possible to configure the disaster information management and provision systems 1A and 1B to cooperate with a cash register system (POS system) installed in the building 5 (store). For example, in the event of a disaster, stores in multiple nearby buildings 5 ​​may be identified based on sales information from the POS system to identify stores that have suffered little damage and are still conducting sales, and notify staff at other stores in nearby buildings 5. Furthermore, for example, if a person related to a store in building 5 makes a purchase at another store when a disaster occurs, the POS system of the other store may notify the company via information management devices 20A and 20B that the person related has used the other store, or instructions and messages from the company may be written on a receipt issued by the POS system and handed to the person related. This makes it possible to determine the whereabouts of people related to the store who are unknown at the time of a disaster and to communicate with the people related to the store. In addition, the internal fixed camera 11A constantly takes pictures of the inside of the store and the stock space, and from the images taken, the inventory status of products can be grasped and product orders can be placed in a timely manner without excess or shortage. In addition, if the sensor terminal 12 detects temperature, rainfall, wind direction, pollen amount, etc., it is possible to make sales forecasts with higher accuracy by analyzing the relationship between sales data from the POS system and weather, etc. In addition to this, it is possible to select and discard the configurations given in the above embodiments and modifications, or to change them to other configurations as appropriate, without departing from the spirit of the present invention. [Explanation of symbols]

[0047] 1A, 1B Management and Provision System 27 Flood Determination Unit 5 Building 28 Flood Risk Assessment Unit 11 Fixed camera 29 Building earthquake damage estimation department 12 Sensor terminals 30 Earthquake damage database (database) 21 Data entry section 31 Disaster information database 23 Information Management Department 32 Information Integration Department 24 Precipitation acquisition unit 80 Terminal 25 Flood inundation distribution acquisition section 81 Information display section 26 Seismic Intensity Information Acquisition Unit

Claims

1. A disaster information management and provision system that acquires, manages, and provides disaster information, a data input unit for inputting building information including the building location and elevation of the building for which the damage information is to be confirmed; a precipitation amount acquisition unit that acquires the amount of precipitation around the building from publicly available precipitation observation information; a flood inundation distribution acquisition unit that acquires surrounding flood information around the building from a publicly available flood hazard map; a fixed camera installed in the building; a flood determination unit that acquires, from image information captured by the fixed camera, whether or not there is flooding around the building and the water level at the time of flooding as local flooding information; a flood risk determination unit that determines the flood risk around the building, including the building, based on the precipitation amount, the surrounding flood information, and the on-site flood information; A disaster information management and provision system comprising:

2. A disaster information management and provision system that acquires, manages, and provides disaster information, a sensor terminal provided in each of a plurality of buildings, the sensor terminal acquiring at least one of flood information, earthquake information, and fire information; an information management unit that records and manages the disaster information acquired by the sensor terminal; an information integration unit that estimates a damage situation at a position between each of the plurality of buildings from the damage information for each of the plurality of buildings recorded by the information management unit, associates the damage situation with an observation time when the damage was observed and the position, and stores changes in the damage situation in a damage information database; and an information display unit that displays the disaster status stored in the disaster information database.

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