渤海地震的震源参数ht |
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引用本文: | 卓钰如,Hiroo Kanamori.渤海地震的震源参数ht[J].地震学报,1988,10(2):213-217. |
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作者姓名: | 卓钰如 Hiroo Kanamori |
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作者单位: | 1. 国家地震局分析预报中心
2. 美国加州理工学院地震实验室 |
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摘 要: | 本文对20个WWSSN台记录到的渤海地震(1969年7月18日,MS=7.4)远震P波波形与理论地震图进行了对比。确定了渤海地震的震源参数为:地震矩2.6 1019Nm;震源破裂持续时间为12S;震源深度为35 km;两个节面为:(1)走向=24,倾角=85,错滑角=170;(2)=115,=80,=5。
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关 键 词: | 震源参数 地震矩 节面 理论地震图 |
SOURCE PARAMETERS OF THE BOHAI EARTHQUAKE OF 1969 |
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Affiliation: | 1. Center for Analysts and Prediction, State Seismological Bureau;
2. Seismological Laboratory, California Institute of Technology |
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Abstract: | We matched teleseismic P waveforms of the Bohai earthquake (July 18, 1969, Ms 7.4) recorded at 20 WWSSN stations with synthetic seismograms. The following source parameters are obtained: seismic moment M0 = 2.61019Nm; duration of source rupture 12s; depth H = 35km. The two nodle planes are (1) strike angle =24, dip angle = 85, rake angle = 170; (2) = 115, = 80 and = 5. |
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