| 1976年春季山东庙岛群岛两次小震群 |
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| 引用本文： | 魏光兴,李秉锋.1976年春季山东庙岛群岛两次小震群[J].地震学报,1980,2(3):258-267. |
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| 作者姓名： | 魏光兴 李秉锋 |
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| 作者单位： | 山东省地震局 |
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| 摘 要： | 本文分析了1976年春季山东庙岛群岛的两次小震群的活动特征, 给出了部分小震震源参数、波速比、P, S波振幅比和震源机制解结果, 并进行了初步分析.最后对这两次小震群与海城7.3级地震前震序列的同异点进行了对比讨论.
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TWO SMALL EARTHQUAKE SWARMS AT MIAODAO ARCHIPELAGO,SHANDONG PROVINCE,IN SPRING 1976 |
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| Institution: | Seismological Bureau of Shandong Province |
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| Abstract: | In this paper the characteristics of two small earthquake swarms at Miaodao Archipelago, Shandong in Spring 1976, have been analysed. Earthquake source parameters, of a part of both swarms, velocity ratio, amplitude ratio of P, S waves and focal mechanism solutions are given. Finally, these two small earthquake swarms are compared with the foreshock sequence of the 1975 M=7.3 Haicheng earthquake for their difference and similarity. |
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