| 大同-阳高6.1级地震前山西地应力异常变化的分析 |
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| 引用本文： | 赵英敏.大同-阳高6.1级地震前山西地应力异常变化的分析[J].西北地震学报,1993,15(2):42-47. |
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| 作者姓名： | 赵英敏 |
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| 作者单位： | 山西省地震局 |
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| 摘 要： | 本文根据山西长治和代县地应力站的观测资料,深入分析了大同一阳高6.1级地震前地应力异常变化特征。地震前地应力的变化不仅有趋势异常,而且还有明显的短期和临震异常显示。其异常变化的总趋势是:下降—持平—回升。根据地应力异常变化,作者曾作了较准确的短期预报。
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| 关 键 词： | 地震前兆 震级 地应力 异常变化 |
| 收稿时间： | 1992/5/23 0:00:00 |
ANALYSIS ON CRUST STRESS CHANGE BEFORE THE DATONG-YANGGAO Ms6.1 EARTHQUAKE, SHANXI PROVINCE |
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| Zhao Yingmin.ANALYSIS ON CRUST STRESS CHANGE BEFORE THE DATONG-YANGGAO Ms6.1 EARTHQUAKE, SHANXI PROVINCE[J].Northwestern Seismological Journal,1993,15(2):42-47. |
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| Authors: | Zhao Yingmin |
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| Institution: | Seismological Bureau of Shanxi Province, Taiyuan, China |
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| Abstract: | This paper deals with the anomalous features of crust stress change, based on the data observed at Changzhi and Daixian crust stress stations in Shanxi province before the Datong-Yanggao Ms6.1 earthquake. There are not only tendency anomalies, but also short term imminent anomalies. The general tendency is:decline-unbiased-rising. The author made a more accurate short-term prediction before the earthquake, based on the anomalous change of crust stress. |
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