| 1996年11月9日南黄海6.1级地震前的地震活动异常 |
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| 引用本文： | 王炜 许跃明. 1996年11月9日南黄海6.1级地震前的地震活动异常[J]. 地震, 1997, 17(4): 357-363 |
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| 作者姓名： | 王炜 许跃明 |
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| 作者单位： | 上海市地震局!中国上海，200062，上海市地震局!中国上海，200062，上海市地震局!中国上海，200062，上海市地震局!中国上海，200062 |
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| 摘 要： | １９９６年１１月９日在南黄海海域发生了６．１级地震。该地震前自１９９３年直震中周围区域的地震活动明显增强、小震群活跃，出现孕震空区及一些地震活动指标的中期异常。１９９５年８月后该区地震活动的出现明显平静。这次地震前的地震活动异常是明显的。
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| 关 键 词： | 地震前兆 地震活动异常 震级 孕震空区 |
SEISMICITY ANOMALY BEFORE SOUTHERN YELLOW SEA EARTHQUAKE (M_s=6. 1) ON NOVEMBER 9, 1996 |
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| Wang Wei, Xu Yueming ,Lin Mingzhou, Zhang Chun. SEISMICITY ANOMALY BEFORE SOUTHERN YELLOW SEA EARTHQUAKE (M_s=6. 1) ON NOVEMBER 9, 1996[J]. China Earthguake Engineering Journal, 1997, 17(4): 357-363 |
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| Authors: | Wang Wei Xu Yueming Lin Mingzhou Zhang Chun |
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| Abstract: | The earthquake with M = 6. 1 occurred in Southern Yellow Sea on November 9,1996. The seismicity has been obviously increased since 1993, some swarms occurred, and the seismogenic gap and medium-term anomaly of some seismicity indexes are appeared in the area around the epicenter before the earthquake. After August 1995 the seismicity in this area shows obvious quiescence. The seismicity anomaly is striking before this earthquake with MS = 7. 3. |
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| Keywords: | Seismogenic gap Seismic quiescence Earthquake time fractal dimension Southern Yellow Sea |
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