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Earthquake prediction method and earthquake prediction system

An earthquake and geographic technology, applied in the field of earthquake occurrence prediction system, can solve the problems of high cost of earth current detection devices, difficulty in configuring a large number of earth current detection devices, etc., and achieve the effect of low cost burden

Active Publication Date: 2020-10-27
GRNRSIS RES INST +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order to predict earthquakes, a large number of such earth current detection devices must be geographically distributed
However, the price of the earth current detection device is expensive, and the practical problem is that it is difficult to configure a large number of this earth current detection device

Method used

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  • Earthquake prediction method and earthquake prediction system
  • Earthquake prediction method and earthquake prediction system
  • Earthquake prediction method and earthquake prediction system

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Embodiment Construction

[0045] First, refer to figure 1 , Figure 2A as well as Figure 2B The change of the electromagnetic field inside the earth's crust due to the interaction of the quasi-static destructive rock and the deep gas during the precursor period of the earthquake directly below the inland will be described. figure 1 is a diagrammatic representation of the interior of the Earth's crust, Figure 2A as well as Figure 2B Diagrammatically shows the experimental method used to demonstrate the change of the electromagnetic field in the interior of the earth's crust due to the quasi-static destruction of rock and deep gas. refer to figure 1 , 1 represents the earth's surface, and 2 represents a hard rock layer with crushed water retention pores existing at a depth of tens of Km or more from the earth's surface. If a shear force acts on the rock layer 2 due to plate movement, the rock is quasi-statically broken, and fine cracks 3 are generated in the rock layer 2 . At this time, electron...

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Abstract

The invention provides an earthquake prediction method and an earthquake prediction system. The occurrence of an earthquake is predicted with a low cost burden. The occurrence of an earthquake is predicted using a plurality of geographically distributed underground buried structure electric corrosion prevention devices (30). A change in the amount of current flowing through a closed-loop electrical circuit (W) for electrical corrosion prevention in each electrical corrosion prevention device (30) is detected, and the occurrence of an earthquake is predicted on the basis of the detected changein the amount of current.

Description

technical field [0001] The invention relates to an earthquake occurrence prediction method and an earthquake occurrence prediction system. Background technique [0002] When quasi-static damage occurs at a certain position in the earthquake occurrence area in the earth's crust, during the precursor period of the earthquake, the phenomenon of damage-induced charge emission will occur. In the case of the second electrode, although the reason is not necessarily clear, a ground current actually flows between the detection electrode and the second electrode. Then, a telluric current detection device is known in which detection electrodes are arranged deep underground so that artificial noise on the ground surface does not affect detection results (see Patent Document 1). Therefore, when the earth current detecting device is used, prediction of an earthquake can be realized. However, in order to predict earthquakes, it is necessary to arrange a large number of such earth current...

Claims

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Application Information

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IPC IPC(8): G01V1/00G01V1/18
CPCG01V1/18G01V2210/1429G01V1/01G01V3/04
Inventor 近藤斋榎本祐嗣
Owner GRNRSIS RES INST