RUSSIAN JOURNAL OF EARTH SCIENCES, VOL. 16, ES3001, doi:10.2205/2016ES000568, 2016


Deformation precursors of large earthquakes derived from long term GNSS observation data

V. Kaftan, A. Melnikov

Abstract

The results of observation of Global Navigation Satellite Systems (GNSS) in areas of large earthquakes are analyzed in this article. The Earth's surface deformation characteristics before, during and after the earthquake are researched, the results indicate the presence of abnormal deformation near their epicenters. The statistical evaluation of abnormal deformations with their root mean squares (rms) are presented. Conclusions about the possibilities of using local GNSS observation networks for evaluation of risk of strong seismic events are performed.

Received 8 August 2016; accepted 20 August 2016; published 27 August 2016.


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Citation: Kaftan V., A. Melnikov (2016), Deformation precursors of large earthquakes derived from long term GNSS observation data, Russ. J. Earth Sci., 16, ES3001, doi:10.2205/2016ES000568.


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