Seismo-Ionospheric Variations during Strong Earthquakes Based on the Example of the 2010 Earthquake in Chile

被引：8

作者：

Smirnov, V. M. ^{[1
,2
]}

Smirnova, E. V. ^{[1
]}

Tsidilina, M. N. ^{[2
]}

Gaponova, M. V. ^{[2
]}

机构：

[1] Inst Radioengn & Elect, Fryazino 141120, Moscow Region, Russia

[2] Inst Sci Res Aerosp Monitoring AEROCOSMOS, Moscow 105064, Russia

来源：

COSMIC RESEARCH | 2018年 / 56卷 / 04期

基金：

俄罗斯科学基金会;

关键词：

WENCHUAN EARTHQUAKE; DISTURBANCES PRIOR; SYSTEM; FIELD; MODEL;

D O I：

10.1134/S0010952518040068

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

Seismo-ionospheric variations during the strong earthquake on February 27, 2010 in Chile have been considered. An analysis of the ionospheric state has been performed using measurements based on a GPS satellite navigation system. The results of processing have shown that the decrease in the electron concentration on February 24, 2010 relative to the preceding day was from 24 to 35%. It has also been noted that, 3 days prior to the seismic event, a substantial drop in the rate of change of in the total electron content was observed near the epicenter zone for 1.5 h. It has been shown that, directly before the earthquake, instantaneous variations in the rate of change in the electron content by an order of value that exceeds normal background behavior was observed.

引用

页码：267 / 275

页数：9

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