SHORT-TERM ELECTROMAGNETIC PRECURSORS OF EARTHQUAKES

被引：9
|
作者：
Dovbnya, B. V. [1 ]
Pashinin, A. Yu. [2 ]
Rakhmatulin, R. A. [2 ]
机构：
[1] RAS, O Yu Schmidt Inst Phys, Borok Geophys Observ, Borok 152742, Yaroslavl Regio, Russia
[2] RAS, Siberian Branch, Inst Solar Terr Phys, 126A Lermontov St, Irkutsk 664033, Russia
来源：
GEODYNAMICS & TECTONOPHYSICS | 2019年 / 10卷 / 03期
关键词：
electromagnetic impulse; earthquake; precursor; MAGNETIC-FIELD MEASUREMENTS; EMISSIONS; SEISMICITY; EPICENTER;
D O I：
10.5800/GT-2019-10-3-0438
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
In the study of the relationship between electromagnetic and seismotectonic processes, we analyzed the data of three observatories located at large distances, considering both latitudes and longitudes, and detected electromagnetic impulses in the frequency range from 0 to 5 Hz, which were recorded minutes before earthquakes. Detailed morphological and statistical analysis was carried out, and common and specific features were considered. Several cases are discussed to illustrate the occurrence of electromagnetic precursor signals before the recorded devastating earthquakes in Japan, China, Romania and other seismically active regions. A qualitative explanation is given for the study results.
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页码：731 / 740
页数：10
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