Ionospheric disturbances around the time of the Ms7.0 Lushan earthquake

被引：0
|
作者：
Zhou Yiyan [1 ,2 ,3 ]
Wu Yun [1 ,2 ]
Yang Jian [1 ,2 ]
Zhu Fuying [1 ,2 ]
Zhao Bin [1 ,2 ]
机构：
[1] Institute of Seismology,China Earthquake Administration
[2] Key Laboratory of Earthquake Geodesy,China Earthquake Administration
[3] School of Geodesy and Geomatics,Wuhan University
来源：
Geodesy and Geodynamics | 2013年 / 04期
基金：
美国国家科学基金会;
关键词：
GPS; VTEC; ionospheric anomalies; earthquake;
D O I：
暂无
中图分类号：
P315.72 [地震前兆与地震机理];
学科分类号：
070801 ;
摘要：
Variations of Vertical Total Electron Content(VTEC)in the ionosphere are investigated around the time of the Ms7.0 Lushan earthquake.A time-series analysis shows an anomalous VTEC increase 15 days before,as well as some anomalous VTEC decreases 5 days before and 8 hours after the earthquake.Each of these anomalies lasted more than 4 hours and drifted from east to west.The anomalous increase 15 days before the earthquake is significantly larger than the solar-terrestrial background noise,and is thus considered to be probably related to the earthquake.
引用
收藏
页码：26 / 32
页数：7
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