| 1989年11月2日宁夏固原5.3级地震序列特征及前兆异常 |
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| 引用本文： | 陈素改.1989年11月2日宁夏固原5.3级地震序列特征及前兆异常[J].地震研究,1991,14(3):223-231. |
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| 作者姓名： | 陈素改 |
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| 作者单位： | 宁夏回族自治区地震局 银川,750001 |
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| 摘 要： | 本文分析了1989年11月2日宁夏固原5.3级地震前后的地震活动,井分析了其序列特征,判定此震为孤立型地震。本文最后介绍了几起震前认识到的前兆观测资料异常现象。
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| 关 键 词： | 地震 序列特征 前兆 异常 宁夏 |
THE SEQUENCE CHARACTERISTICS AND PRECURSORY ANOMALIES OF THE M5.3 GUYUAN, NINGXIA EARTHQUAKE OCCURRED NOVEMBER 2, 1989 |
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| Chen Shugai.THE SEQUENCE CHARACTERISTICS AND PRECURSORY ANOMALIES OF THE M5.3 GUYUAN, NINGXIA EARTHQUAKE OCCURRED NOVEMBER 2, 1989[J].Journal of Seismological Research,1991,14(3):223-231. |
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| Authors: | Chen Shugai |
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| Abstract: | This paper analyzes the seismic activities both before and after the M5.3 Guyan, Ningxia earthquake occurred November 2 , 1989. Analysis is also made on the sequence characteristics of the earthquake. It is concluded that the M5.3 Guyuan earthquake was an single and "isolated" event. Finally, the paper introduces several pieces of anomalies detected before the occurrence of the earthquake in the observed precursory data. |
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| Keywords: | Focal mechanism Earthquake sequence Earthquake-absence Earthquake precursor M5 3 Guyuan earthquake |
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