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《地震学报(英文版)》 1998-01
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Rupture process of November 6, 1988, Lancang Gengma, Yunnan, China, earthquake of M s =7.6 using empirical Green's function deconvolution method

PARVIZ MOZAFFAR 1) 2) ZHONG LIANG WU 1) YUN TAI CHEN 1) 1) Institute of Geophysics, State Seismological Bureau, Beijing 100081, China 2) Institute of Geophysics, Tehran University, Tehran 14394, Iran  
The empirical Green's function deconvolution technique is applied to the November 6, 1988, Ms=7.6, Yunnan, China earthquake to study the rupture process of this event. An aftershock of Ms=6.3 is taken as the empirical Green's function. Recordings of these two events at six stations of China Digital Seismographic Network (CDSN) are employed. Deconvolution results show that this event is a relatively simple event. Directivity analysis indicates that the rupture was initiated at hypocenter and propagated bilaterally and nearly symmetrically towards the northwest and southeast directions with a total length of 70 km and a time duration of 19 s. The rupture velocity is estimated to be about 2.0 km/s.
【CateGory Index】: P315
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