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Xie Yibing, Wu Jicang, Chen Junping, Peng Yao. 2014: Perturbation analysis of the ionospheric TEC before and after the Lushan MS7.0 earthquake. Acta Seismologica Sinica, 36(1): 95-105. DOI: 10.3969/j.issn.0253-3782.2014.01.008.
Citation: Xie Yibing, Wu Jicang, Chen Junping, Peng Yao. 2014: Perturbation analysis of the ionospheric TEC before and after the Lushan MS7.0 earthquake. Acta Seismologica Sinica, 36(1): 95-105. DOI: 10.3969/j.issn.0253-3782.2014.01.008.
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Perturbation analysis of the ionospheric TEC before and after the Lushan MS7.0 earthquake

  • 1.

    College of Surveying and Geo-informatics, Tongji University, Shanghai 200092, China

  • 2.

    Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China

  • 3.

    Key Laboratory of Modern Engineering Surveying, National Administration of Surveying, Mapping and Geoinformation, Shanghai 200092, China

  • 4.

    College of Surveying and Geo-informatics, Henan Polytechnic University, Jiaozuo 454000, China

  • 5.

    61175 Troops, Nanjing 210049, China

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  • Received Date: July 15, 2013
  • Revised Date: September 06, 2013
  • Published Date: December 31, 2013
    Graphical Abstract
    • Abstract
  • By using the statistical analysis method, the ionospheric VTEC data of ten days before and after the Lushan MS7.0 earthquake have been analyzed and discussed in detail, based on the GIM data offered by IGS and the Crustal Movement Observation Network of China.The results show that obvious VTEC reduction appeared between 16 and 21 April, 2013. So the abnormal variations of the ionospheric TEC may be precursors to the earthquake, excluding the solar activity factors.
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    • References (14)
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