Anomalous increase in the foF2 critical frequency prior to the Spanish earthquake of May 11, 2011

被引：0
|
作者：
V. V. Hegai
A. D. Legen’ka
V. P. Kim
机构：
[1] Russian Academy of Sciences,Institute of Terrestrial Magnetism, Ionosphere, and Radiowave Propagation
来源：
Geomagnetism and Aeronomy | 2014年 / 54卷
关键词：
Global Posi Tioning System; Total Electron Content; Wenchuan Earthquake; Earth Quake; Earthquake Epicenter;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A study of variations in the critical frequency of the F2 layer (foF2) prior to a shallow-focus eartquake with a magnitude M = 5.1 which occurred in Spain on May 11, 2011, is carried out. The obtained results show that a positive disturbance in the foF2 value was observed at the ionospheric Del’ebre station, which is the closest to the earthquake epicenter. At the same time, no disturbances in foF2 are revealed at ionospheric stations located at a greater distance from the epicenter. This fact makes it possible to conclude that the positive disturbance in the F2 layer observed at the Del’ebre station could have a sesmogenic nature.
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页码：82 / 86
页数：4
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