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Satellite detection of thermal precursors of Yamnotri, Ravar and Dalbandin earthquakes

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  • Arun Saraf
  • Vineeta Rawat
  • Josodhir Das
  • Mohammed Zia
  • Kanika Sharma

Abstract

Prior to the occurrence of an earthquake, the region undergoes intensive physiochemical changes. Such changes trigger degassing charge generation leading to positive change in the thermal regime and consequently creation of an earthquake preparation zone. These changes in thermal regime can be detected by the thermal sensors onboard various polar orbiting satellites. Recent researches have demonstrated that thermal infrared sensors onboard satellites (e.g., NOAA-AVHRR and Terra/Aqua-MODIS) can detect temporal transient thermal infrared anomalies prior to an earthquake. The paper presents satellite-based thermal observations associated with Yamnotri (July 22, 2007, India), Ravar (October 14, 2004, Iran) and Dalbandin (January 19, 2011, Pakistan) earthquakes. In the case of Yamnotri earthquake, the region attained around 5–8°C higher than the normal temperature on July 21, 2007 in the area, just 1 day before the earthquake. Whereas, in the case of Ravar earthquake, the region has shown 5–7°C higher temperature on October 06, 2004 about 6 days before the occurrence of the main earthquake event. Dalbandin earthquake showed a maxima on January 17, 2011, just 2 days before the main shock with the raised temperature of around 8–10°C. Another common observation in all these earthquakes is the disappearance of short-term transient thermal anomaly just before the main shock. Copyright Springer Science+Business Media B.V. 2012

Suggested Citation

  • Arun Saraf & Vineeta Rawat & Josodhir Das & Mohammed Zia & Kanika Sharma, 2012. "Satellite detection of thermal precursors of Yamnotri, Ravar and Dalbandin earthquakes," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 61(2), pages 861-872, March.
    • Handle: RePEc:spr:nathaz:v:61:y:2012:i:2:p:861-872
    DOI: 10.1007/s11069-011-9922-5
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    References listed on IDEAS

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    1. Arun Saraf & Vineeta Rawat & Priyanka Banerjee & Swapnamita Choudhury & Santosh Panda & Sudipta Dasgupta & J. Das, 2008. "Satellite detection of earthquake thermal infrared precursors in Iran," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 47(1), pages 119-135, October.
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    Cited by:

    1. Jiazheng Lu & Yu Liu & Guoyong Zhang & Bo Li & Lifu He & Jing Luo, 2018. "Partition dynamic threshold monitoring technology of wildfires near overhead transmission lines by satellite," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 94(3), pages 1327-1340, December.

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