Temporal and spatial characteristics of VTEC anomalies before Wenchuan Ms8.0 earthquake

查看全文 作　　者：Fuying [1,2]Zhu;Yun [1,2]Wu;Jian [1,2,3]Lin;Yiyan [1,2]Zhou

机构地区：[1]Institute of Seismology, China Earthquake Administration, Wuhan 430071, China;[2]Crustal Movement Laboratory, Wuhan 430071, China;[3]Research Center of Wuhan University, Wuhan 430079, China

出　　处：《Geodesy and Geodynamics》索引2010年第1卷第1期,共6页

基　　金：supported by the 863 project of China(2007AA12Z169) 摘　　要：GPS and the COD VTEC data were studied in search of ionospheric VTEC changes in space and time that might be associated with the Wenchuan Ms8.0 earthquake on 12 May,2008.The result shows several significant anomalous decreases at 12:00 UT-16:00 UT on April 29 and an anomalously increase at 14:00 UT-18:00 UT on May 9.The anomalies had two humps,that were located on both sides of the geomagnetic equator and had a tendency of drifting towards the equator.Since the observed anomalies cannot be attributed to any other causes and since they occurred close to the time of the earthquake,we consider them to be possibly premonitory to the earthquake. 关键词：异常现象地震前兆空间特征 VTEC 汶川时间 UT斯达康 VTEC

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Temporal and spatial characteristics of VTEC anomalies before Wenchuan Ms8.0 earthquake

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引证文献(2)

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