Temporal and spatial precursors in ionospheric total electron content of the 16 October 1999 Mw7.1 Hector Mine earthquake

NCUIR > College of Earth Sciences > DEPARTMENT OF SPACE SCIENCE AND ENGINEERING > journal & Dissertation > Item 987654321/102332

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Title:	Temporal and spatial precursors in ionospheric total electron content of the 16 October 1999 Mw7.1 Hector Mine earthquake
Authors:	劉正彥;Su, Y. C.;Liu, J. Y.;Chen, S. P.;Tsai, H. F.;Chen, M. Q.
Contributors:	地球科學學院太空科學與工程學系
Keywords:	Astronomy;Earth, ocean, space;Earthquakes;Exact sciences and technology;External geophysics;Geophysics;GPS TEC;Hector Mine earthquake;Interplanetary space;Ionosphere;ionospheric precursor;Lithosphere;Physics of the ionosphere;Physics of the magnetosphere;Seismic activity;Seismology;Solar system;Spatial analysis
Date:	2013-01-01
Issue Date:	2026-04-23 11:06:27 (UTC+8)
Publisher:	Wiley-Blackwell;Hoboken, NJ: Blackwell Publishing Ltd
Abstract:	摘要： AbstractIn this paper, temporal and spatial analyses are employed to detect seismo‐ionospheric precursors (SIPs) in the ionospheric total electron content (TEC) during the 16 October 1999 Mw7.1 Hector Mine earthquake. To discriminate anomalies caused by global effects, such as solar radiations, magnetic storms, etc., and local effects, such as earthquake, we cross‐examine the GPS TECs and their gradients in the eastward and northward directions at epicenter/centers of the Hector Mine area and the other two reference areas at similar magnetic latitudes in Europe and Japan. Temporal variations of the northward TEC gradient suggest SIPs most likely appearing on days 6–5 before the earthquake. A global search by using the TEC of the global ionosphere map shows that the TEC increase and decrease anomalies continuously and specifically appear around the epicenter on day 5 before the earthquake. 其他題名： J. Geophys. Res. Space Physics 出版者： Hoboken, NJ: Blackwell Publishing Ltd 出版日期： 2013-10 出處： Journal of Geophysical Research: Space Physics, 2013-10, Vol.118 (10), p.6511-6517 資源來源： Wiley Online Library 版權： 2013. American Geophysical Union. All Rights Reserved. 版權： 2015 INIST-CNRS 識別號： ISSN: 2169-9380 識別號： ISSN: 2169-9402 識別號： EISSN: 2169-9402 識別號： DOI: 10.1002/jgra.50586
Appears in Collections:	[DEPARTMENT OF SPACE SCIENCE AND ENGINEERING] journal & Dissertation

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