| 唐山地震与海城地震之共性特征及有关问题的讨论 |
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| 引用本文： | 刘武英,李龙海.唐山地震与海城地震之共性特征及有关问题的讨论[J].地震研究,1995(2). |
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| 作者姓名： | 刘武英 李龙海 |
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| 作者单位： | 国家地震局兰州地震研究所，北京地质学院普通地质教研室 |
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| 摘 要： | 本文在前人研究的基础上，详细分析了１９７６年唐山７．８级地震与１９７５年海城７．３级地震的共性特征，认为它们可能是由同一种原因引起的，而且伴随地震而发生的各种现象是相互联系，同出一因的。本文还分析了一些有关的现象，论证了上述两次地震的发生可能是由垂直力引起的，地壳内岩浆上涌可以产生垂直作用力，认为这两次地震的发生可能是岩浆上涌的直接结果。
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| 关 键 词： | 地震成因，岩浆活动，垂直运动，唐山地震，海城地震 |
COMMON FEATURES OF 1976'S TANGSHAN EARTHQUAKE AND 1975'S HAICHENG EARTHQUAKE AND DISCUSSION ON SOME QUESTIONS |
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| Liu Wuying, Li Longhai.COMMON FEATURES OF 1976''''S TANGSHAN EARTHQUAKE AND 1975''''S HAICHENG EARTHQUAKE AND DISCUSSION ON SOME QUESTIONS[J].Journal of Seismological Research,1995(2). |
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| Authors: | Liu Wuying Li Longhai |
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| Abstract: | Based on the studies of predecessors, common features of Tangshan M =7.8 earthquake in 1976 and Haicheng M=7.3 earthquake in 1975 have been analysed in detail. It is believed that the two shocks and all phenomena accompanied were incurred by same cause. Analysing some facts concerned indicates that the shocks are possibly resulted from vertical force produced by magma intrusion in the crust. |
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| Keywords: | Seismogenesis Magma activity Vertical movement Tangshan earthquake Haicheng earthquake |
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