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http://dx.doi.org/10.7582/GGE.2016.19.4.228

Changes of Ionospheric Total Electron Content Caused by Large-scale Earthquakes and Recent Earthquakes Occurred Around the Korean Peninsula  

Kim, Byeong-Hoon (Department of Earth Science Education, Seoul National University)
Seo, Ki-Weon (Department of Earth Science Education, Seoul National University)
Publication Information
Geophysics and Geophysical Exploration / v.19, no.4, 2016 , pp. 228-235 More about this Journal
Abstract
We investigated pre- and post- seismic total electron content (TEC) anomalies in ionosphere caused by recent large-scale earthquakes around the globe and additionally examined whether the similar phenomena are detected in connection with the earthquakes around the Korean Penisula. TEC anomalies associated with the large-scale earthquakes showed the similar results to previous studies. In addition, we newly found the similar TEC changes from the recent 2016 Ecuador earthquake (M7.8). However, the post-seismic TEC changes would be falsely interpreted as the pre-seismic TEC changes dependent on the post-processing of TEC observation. We also investigated the possibility of TEC responses from the recent domestic earthquakes including 2016 Gyeongju earthquake but could not find any anomalous TEC changes. This is probably because the domestic earthquakes release significantly smaller acoustic wave energy than that of large-scale earthquakes occurring in plate boundaries.
Keywords
Total Electron Content; Earthquake; GPS;
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