Application of Parametric Methods for Earthquake Precursors Using GPS TEC

  • R. Revathi
  • K. S. Ramesh
  • S. Koteswara Rao
  • K. Uday Kiran
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 701)

Abstract

Total Electron Content (TEC) perturbations observed for event happened on 15th January 2014 in Indonesia with the magnitude of M ~ 4.5 on Richter scale are investigated. The earthquake occurred at 9:26 h Greenwich Mean Time (GMT). Yule–Walker, Covariance, Modified Covariance and Burg parametric methods are used to find out the change in the spectrum of signals with and without disturbances in the signal. From the analysis, it is observed that ionosphere was disturbed thrice due to the impending earthquake resulting in upraise of energy in the ionosphere at 10:13 h LTC, 10:40 h LTC and finally at 10:52 h LTC, which is coinciding with that of the earthquake occurrence. These studies in future may help in developing early-warning systems for earthquakes.

Keywords

Total electron content Parametric methods Earthquake 

Notes

Acknowledgements

Author’s sincere acknowledgments are given to DST, Government of India for finically funding this work under the projects SR/AS-04/WOS-A/2011 and SR/S4/AS-91/2012.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • R. Revathi
    • 1
  • K. S. Ramesh
    • 1
  • S. Koteswara Rao
    • 1
  • K. Uday Kiran
    • 1
  1. 1.Department of ECEKL UniversityGuntur (DT)India

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