Earthquake short-term and temporary prediction method based on high-order magnetic anomaly derivative

A prediction method and magnetic anomaly technology, applied in seismic measurement, seismology, geophysical measurement, etc., can solve the problems of long prediction period, lack of advantages, and increase the difficulty of earthquake prediction, so as to achieve the effect of improving accuracy and reducing damage

Pending Publication Date: 2022-05-27
CHINA UNIV OF GEOSCIENCES (WUHAN)
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But there are still some problems: First, these methods are all related to the geomagnetic Z component, but the Z component data is more obviously affected by the magnetic storm, which reduces the reliability of anomaly information; second, the prediction period selected by the above methods is re

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  • Earthquake short-term and temporary prediction method based on high-order magnetic anomaly derivative
  • Earthquake short-term and temporary prediction method based on high-order magnetic anomaly derivative
  • Earthquake short-term and temporary prediction method based on high-order magnetic anomaly derivative

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[0018] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0019] The invention provides a method for predicting the short-term and imminent earthquake based on high-order magnetic anomaly derivatives. Please refer to figure 1 , figure 1 is the flow chart of the inventive method; the inventive method comprises the following steps:

[0020] S101: Select the geomagnetic F component as the earthquake short-term prediction data source;

[0021] It should be noted that in the long-term change curve of the geomagnetic field, the geomagnetic component F is used as the total amount. When the change curve has a "V"-shaped sudden change, it is often acco...

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Abstract

The invention discloses an earthquake short-term and impending prediction method based on a high-order magnetic anomaly derivative. The method comprises the following steps: selecting a geomagnetic F component as an earthquake short-term and impending prediction data source; fitting the geomagnetic F component to obtain a high-order polynomial; deriving the high-order polynomial to obtain a high-order magnetic anomaly derivative; and earthquake short-term and temporary prediction is carried out by using a high-order magnetic anomaly derivative in combination with the geomagnetic field. The method has the advantages that the earthquake prediction precision is improved, and damage caused by earthquakes is reduced as much as possible.

Description

technical field [0001] The invention relates to the field of earthquake prediction, in particular to an earthquake short-term and imminent prediction method based on high-order magnetic anomaly derivatives. Background technique [0002] Earthquake prediction is an important scientific issue directly related to the safety of people's lives and properties. Although there is currently no way to prevent earthquakes from occurring, accurate prediction of earthquakes allows sufficient time to take emergency measures to minimize losses. After decades of exploration, scholars at home and abroad have discovered several kinds of precursory information related to earthquakes. Among them, geomagnetism is an important method for earthquake precursory observation. Through experimental and theoretical research, the distribution and variation of the Earth's magnetic field when an earthquake is approaching have been discovered. , and more importantly, the spatial and temporal properties of ...

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Application Information

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IPC IPC(8): G01V1/00
CPCG01V1/008
Inventor 刘欢赵润卓董浩斌李国宇陈超
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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