Method for simulation of scope of aftershock

A technology of influence scope and simulation method, applied in seismic signal processing and other directions, can solve problems such as poor operability, multiple seismic physical parameters, and cumbersome processes, and achieve simple data sources, real-time performance, and easy operation. low effect

Inactive Publication Date: 2016-04-20
CHINA WEST NORMAL UNIVERSITY
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Problems solved by technology

[0003] Existing methods for assessing the impact range of earthquake disasters mostly focus on parameters such as the maximum earthquake magnitude and ground peak acceleration, and implement regional assessment of the impact range of earthquake disasters. This method requires more earthquake physical parameters, so the process is cumbersome and operable Sex is not strong

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  • Method for simulation of scope of aftershock
  • Method for simulation of scope of aftershock
  • Method for simulation of scope of aftershock

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Embodiment Construction

[0018] The present invention will be described in detail below in conjunction with specific embodiments. It should be noted that the technical features or combinations of technical features described in the following embodiments should not be regarded as isolated, and they can be combined with each other to achieve better technical effects.

[0019] Such as figure 1 Described, the present invention provides a kind of simulation method of aftershock influence range, and its steps include:

[0020] 100: Establish a coordinate system with the longitude of the aftershock point as the X axis, the latitude of the aftershock point as the Y axis, and the magnitude of the aftershock point as the Z axis;

[0021] 200: Using the plane where the X-axis and the Y-axis are located as a projection plane, transform the coordinate system into a projected coordinate system;

[0022] 300: Use the correlation analysis method of point pattern analysis to fit the relationship model of the distanc...

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Abstract

The invention discloses a method for simulation of the scope of aftershocks, and the method comprises the steps of establishing a coordinate system with the aftershock point longitude as an X axis, the aftershock point latitude as a Y axis and the aftershock point magnitude as a Z axis; taking a plane of the X axis and the Y axis as a projection plane, and transforming the coordinate system into a projection coordinate system; obtaining a relationship mode of the distance among aftershock points through fitting by using a correlation analysis method of point pattern analysis, decomposing the relationship mode into different scale-free intervals in which a numerical value is less than a numerical value of the next adjacent scale-free interval; performing nuclear density simulation analysis of points in the scale-free intervals, and obtaining corresponding pattern layers to the scale-free intervals respectively; determining a shielding content between adjacent pattern layers Li and Li+1, removing the corresponding shielding content of the Li+1, then combining the Li and the Li+1, processing all the pattern layers in sequence, and outputting a pattern layer Ri after the combination. The invention can quickly evaluate the scope of the aftershocks based on point data of aftershocks released publicly.

Description

technical field [0001] The invention relates to the technical field of seismic measurement, in particular to a method for simulating the influence range of aftershocks. Background technique [0002] Earthquake impact range simulation is one of the basic tasks of earthquake disaster comprehensive assessment. Earthquake disasters are sudden and predictable, and their frequency has been high in recent years. The associated severe secondary disasters have a great impact on society. In this context, it is obvious that the practical value of the research is based on the public and available earthquake aftershock point sequence data to quickly simulate the range of earthquake influence. [0003] Existing methods for assessing the impact range of earthquake disasters mostly focus on parameters such as the maximum earthquake magnitude and ground peak acceleration, and implement regional assessment of the impact range of earthquake disasters. This method requires more earthquake phys...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/28
Inventor 罗明良董丞妍白雷超谭壮昌小莉邹宝裕张斌
Owner CHINA WEST NORMAL UNIVERSITY
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