Seismic source ruptures of several strong earthquakes of 1989 in Sichuan region of China |
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| Authors: | Yuan Gao Zhong-Liang Wu and Hui-Lan Zhou |
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| Institution: | (1) Center for Analysis and Prediction, State Seismological Bureau, 100036 Beijing, China;(2) Institute of Geophysics, State Seismological Bureau, 100081 Beijing, China;(3) Postgraduate School, Science and Technology of China, 100039 Beijing, China |
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| Abstract: | Several strong earthquakes occurred in the regions of Batang and Xiaojin of Sichuan Province in 1989. This paper uses broadband waveform data from GDSN, by the forward trial-and-error modeling for multiple subevent, in terms of analysis on quasi-source time function or qSTF of station, to study source rupture characteristics of these strong earthquakes and to discuss tectonic background of earthquake occurrence regions preliminarily. |
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| Keywords: | seismic source rupture broadband waveform quasi-source time function quasi-time dif-ference Sichuan region |
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