Volume 33 Issue 3
May  2013
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Article Navigation >  Chinese Journal of Space Science  > 2013  >  33(3): 258-269
Liu J Y, Chen C H, Tsai H F, Le H. A Statistical Study on Seismo-Ionospheric Anomalies of the Total Electron Content for the Period of 56 M ≥ 6.0 Earthquakes Occurring in China During 1998-2012[J]. Chinese Journal of Space Science, 2013, 33(3): 258-269. doi: 10.11728/cjss2013.03.258
Citation: Liu J Y, Chen C H, Tsai H F, Le H. A Statistical Study on Seismo-Ionospheric Anomalies of the Total Electron Content for the Period of 56 M ≥ 6.0 Earthquakes Occurring in China During 1998-2012[J]. Chinese Journal of Space Science, 2013, 33(3): 258-269. doi: 10.11728/cjss2013.03.258
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A Statistical Study on Seismo-Ionospheric Anomalies of the Total Electron Content for the Period of 56 M ≥ 6.0 Earthquakes Occurring in China During 1998-2012

doi: 10.11728/cjss2013.03.258 cstr: 32142.14.cjss2013.03.258
  • 1.

    Institute of Space Science, National Central University, Chung-Li 32001

  • 2.

    Center for Space and Remote Sensing Research, National Central University, Chung-Li 32001

  • 3.

    Department of Earth Science, National Cheng Kung University, Chung-Li 70101

  • 4.

    GPS Science and Application Research Center, National Central University, Chung-li 32001

  • 5.

    Key Laboratory of Ionospheric Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029

  • Received Date: 2013-01-11
  • Rev Recd Date: 2013-02-27
  • Publish Date: 2013-05-15
    Abstract
  • This paper reports statistical results of Seismo-Ionospheric Anomalies (SIAs) of the Total Electron Content (TEC) in the Global Ionosphere Map (GIM) associated with 56 M ≥ 6.0 earthquakes in China during 1998-2012. To detect SIA, a quartile-based (i.e. median-based) process is performed. TEC anomalies for the period of earthquakes without being led by magnetic storms about 10 days are further isolated and examined to confirm the SIP existence. Results show that SIA is the TEC significantly decrease in the afternoon period 2-9 days before the earthquakes in China, which is in a good agreement with the SIA appearing before the 12 May 2008 M8.0 Wenchuan earthquake.

     

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