A Preliminary Interpretation of Near-field Observation Data of the Zhangbei Earthquake

查看全文 作　　者：Shi Jinhu, Lai Xiaoling, Duan Yonghong, Li Songlin, Zhang Xiankang, Song Zhanlong and Yang JianGeophysical Prospecting Center, China Seismological Bureau, Zhengzhou 450002, China

出　　处：《Earthquake Research in China》索引2000年第14卷第2期,共9页

基　　金：This project was sponsored by China Seismological Bureau Contribution No.RCEG99003. 摘　　要：In this paper, a preliminary data processing was made for tbe aftershock records or theZhangbei M6.2 earthquake on Jan. 10, 1998. The hypocenters of 205 earthquakes with M_L≥0.5 were located. The result shows that most aftershockS were concentrated in a more than10 km long and 5~8 km wide NE-trending beIt. The source mechanism solutions of largeraftersbocks were also calculated, from which it can be inferred that the faulted zone of themain shock is an NE-trending fault. Furthermore, the spectral analysis of P waves was made.The corner frequency is about 10 Hz. 关键词：Scenario EARTHQUAKES CAUSATIVE FAULTS Seismic features EXPECTED MAGNITUDE and EXPECTED distance

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A Preliminary Interpretation of Near-field Observation Data of the Zhangbei Earthquake

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