Quasi-real time inversion method of three-dimensional epicenter coordinate,trigger time,and magnitude based on CORS |
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Authors: | Dongsheng?Xiao Email author" target="_blank">Ming?ChangEmail author Yong?Su Qijun?Hu Bing?Yu |
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Institution: | 1.School of Civil Engineering and Architecture,Southwest Petroleum University,Chengdu,China;2.State Key Laboratory of Geohazard Prevention and Geoenvironment Protection,Chengdu University of Technology,Chengdu,China |
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Abstract: | This study explores the quasi-real time inversion principle and precision estimation of three-dimensional coordinates of the epicenter, trigger time and magnitude of earthquakes with the aim to improve traditional methods, which are flawed due to missing information or distortion in the seismograph records. The epicenter, trigger time and magnitude from the Lushan earthquake are inverted and analyzed based on high-frequency GNSS data. The inversion results achieved a high precision, which are consistent with the data published by the China Earthquake Administration. Moreover, it has been proven that the inversion method has good theoretical value and excellent application prospects. |
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