Short Communication

Natural Hazards

, Volume 70, Issue 1, pp 935-940

Ionospheric disturbances with the time of occurrence, magnitude and location of the earthquake (M6.5) near the Indian subcontinent

  • C. P. SimhaAffiliated withInstitute Of Seismological Research, Department of Science and Technology, Government of Gujarat Email author 
  • , G. Pavan KumarAffiliated withInstitute Of Seismological Research, Department of Science and Technology, Government of Gujarat
  • , P. MaheshAffiliated withInstitute Of Seismological Research, Department of Science and Technology, Government of Gujarat
  • , A. NavaneethAffiliated withInstitute Of Seismological Research, Department of Science and Technology, Government of Gujarat
  • , K. M. RaoAffiliated withInstitute Of Seismological Research, Department of Science and Technology, Government of Gujarat
  • , B. K. RastogiAffiliated withInstitute Of Seismological Research, Department of Science and Technology, Government of Gujarat
  • , V. N. SridharAffiliated withCaliberation and Validation Division, Space Application Centre
  • , A. K. ShuklaAffiliated withCaliberation and Validation Division, Space Application Centre

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Abstract

The present study purports the analysis of total electron content (TEC, which is one of the major ionosphere anomalies during the earthquake), sea surface temperature (SST) and outgoing long-wave radiation (OLR) during the earthquake event recorded on 10 March 2013 (M = 6.5). Global assimilative ionosphere modelled output TEC values have been used for this present study; the clear signature of TEC during the recorded earthquake has been noticed (i.e. increase in TEC 60–70 TECU during the event). The correlation between the magnitude and location of earthquake with TEC is around 0.9, and the least correlation between SST and OLR is due to concerned atmospheric effects; we tried to study the variations of SST and OLR prior during and after the event from Kalpana satellite image products archived by IMD.

Keywords

Total electron content (TEC) Sea surface temperature (SST) Outgoing long-wave radiation (OLR)