| 辽宁省海城地震前震震源错动方式的一个特点 |
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| 引用本文： | 金严,赵毅,陈顒,鄢家全,卓钰如.辽宁省海城地震前震震源错动方式的一个特点[J].地球物理学报,1976,19(3):156-164. |
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| 作者姓名： | 金严 赵毅 陈顒 鄢家全 卓钰如 |
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| 作者单位： | 1. 中国科学院地球物理研究所;
2. 国家地震局广州地震大队 |
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| 摘 要： | 海城地震前震的错动方式都一致,这一特点表现为各台记到的P波S波垂直向最大振幅的比值均稳定.与中国境内发生的五个震群资料对比表明,上述特点有助于区分震群和前震.
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| 关 键 词： | 海城地震 错动方式 前震 小地震 地震群 振幅比 垂直向 大振幅 震源机制 断层面解 |
A CHARACTERISTIC FEATURE OF THE DISLOCATION MODEL OF FORESHOCKS OF THE HAICHENG EARTHQUAKE,LIAONING PROVINCE |
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| JIN YAN,ZHAO YI,CHEN YONG,YAN JIA-QUAN,ZHOU YU-RU.A CHARACTERISTIC FEATURE OF THE DISLOCATION MODEL OF FORESHOCKS OF THE HAICHENG EARTHQUAKE,LIAONING PROVINCE[J].Chinese Journal of Geophysics,1976,19(3):156-164. |
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| Authors: | JIN YAN ZHAO YI CHEN YONG YAN JIA-QUAN ZHOU YU-RU |
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| Institution: | 1. Institute of Geophysics, Academia Sinica;
2. The Seismological Brigade of Guangzhou, National Seismological Bureau |
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| Abstract: | A characteristic feature of the dislocation model of the foreshocks of the Hai-cheng Earthquake is their uniformity. It is indicated that the ratio of the maximumvertical amplitudes of the P and S waves recorded at each station appears quitestable. By comparing with five swarms of earthquakes occurred elsewhere in China,this may be helpful in distinguishing foreshocks of an earthquake sequence from anearthquake swarm. |
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