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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Supported by: National Natural Science Foundation under Grant No. 51574201, Opening Fund of State Key Laboratory of Geohazard Prevention and Geoenvironment Protection (Chengdu University of Technology) under Grant No. SKLGP2016K017, Open Research Fund by Sichuan Engineering Research Center for Emergency Mapping & Disaster Reduction under Grant No.K2015B008, The State Administration of Work Safety under Grant No. 2014_3335, Soft Science Research Projects in Sichuan Province under Grant No. 2015zr0049
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Xiao, D., Chang, M., Su, Y. et al. Quasi-real time inversion method of three-dimensional epicenter coordinate, trigger time, and magnitude based on CORS. Earthq. Eng. Eng. Vib. 15, 425–433 (2016). https://doi.org/10.1007/s11803-016-0333-1
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DOI: https://doi.org/10.1007/s11803-016-0333-1