| 1998年1月10日河北省张北-尚义M_S6.2地震震源机制的初步研究 |
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| 引用本文： | 马淑田,陈会忠.1998年1月10日河北省张北-尚义M_S6.2地震震源机制的初步研究[J].地球物理学报,1998,41(5):724-728. |
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| 作者姓名： | 马淑田 陈会忠 |
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| 作者单位： | 国家地震局地震数据信息中心,北京,100045 |
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| 摘 要： | 1998年1月10日在河北省张北-尚义地区发生Ms6．2级地震，研究本次地震的霞源机制对于研究震源区和华北地区的地震活动性、构造运动和地球动力过程都有重要意义，我们用地幔波波形拟合及P波初动符号估计了本次地震的震源机制，提供了若干条P波列宽频垂直向（BHZ）波形图，认为以逆冲为主的断裂引起本次地震．
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| 关 键 词： | 中国河北张北-尚义地震 震源机制 P波列宽频垂直向波形 |
| 收稿时间： | 1998-02-06 |
A PRELIMINARY STUDY FOR FOCAL MECHANISM OF M_s 6.2 EARTHQUAKE ON JANUARY 10,1998,IN ZHANGBEI-SHANGYI REGION |
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| MA SHU-TIAN, CHEN HUI-ZHONG,WANG SONG,ZHAO WEI,LUO JIAN-MING.A PRELIMINARY STUDY FOR FOCAL MECHANISM OF M_s 6.2 EARTHQUAKE ON JANUARY 10,1998,IN ZHANGBEI-SHANGYI REGION[J].Chinese Journal of Geophysics,1998,41(5):724-728. |
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| Authors: | MA SHU-TIAN CHEN HUI-ZHONG WANG SONG ZHAO WEI LUO JIAN-MING |
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| Institution: | Center for Seismological Data and Informarion, SSB, Beijing 100045, China |
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| Abstract: | An Ms 6.2 earthquake occrred on January 10, 1998, in Zhangbei-Shangyi region, Hebei Province. It has important significance to study focal mechanism of the earthquake for all studies of seisndcities in souree area and Huabei region, and tectonic movements and geodynamics processes. We estimared focal mechanism of the earthquak using mantle waves' waveform fitting method and P wave's first motion signs, and obtained that the earthquak formed a thrust fault. Sevetal venical component records of P wave's train on Broad Band channel(BHZ) are provided. |
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| Keywords: | China Hebei Zhangbei-Shangyi earthquake Focal mechanism Waveform of P wave train on Broad Band vertical channel |
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