| 三峡水库地震孕震机理与未来地震趋势初探 |
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| 引用本文： | 袁曲,董建辉. 三峡水库地震孕震机理与未来地震趋势初探[J]. 地震地磁观测与研究, 2005, 0(Z1) |
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| 作者姓名： | 袁曲 董建辉 |
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| 作者单位： | 宜昌中心地震台 中国湖北443100(袁曲)，长江水利委员会三峡区地震大队 中国宜昌443133(董建辉) |
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| 摘 要： | 以三峡库区区域地质构造、活动断裂及库区水文地质特点为基础,借鉴老一辈地震工作者对三峡地区地震地质活动的勘察与科研成果,阐述了蓄水后岩石的库水与地质相互作用对该区水文地质及构造的影响,浅释了三峡库区水库地震孕震机理;用三峡遥测台网及宜昌台定点地壳形变手段在蓄水前后的监测资料,对三峡宜昌库区水库诱发地震作了初步探讨及趋势分析。研究显示,库区地震活动的时空强频随着库区水体的变化而增强,并与活动断层空间分布呈一致性,具备水库地震的明显特征。预测认为:未来三峡宜昌库区的巴东-黔江与高桥断裂带、仙女山、九湾溪及天阳坪断裂交汇带,是诱发ML4.0～4.5水库地震的危险区。
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| 关 键 词： | 库区水文地质 库水作用 微震 形变 水库地震 |
The study of Three Gorges Reservoir earthquake-fertilized mechanism and earthquake inducted by impoundment |
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| Yuan Qu ) and Dong Jianhui ) ) Yichang Center Seismic Station,Hubei Province ,China ) Earthquake Group in Sanxia District of the Yangtze River Water Conservancy Commission,Yichang ,China. The study of Three Gorges Reservoir earthquake-fertilized mechanism and earthquake inducted by impoundment[J]. Seismological and Geomagnetic Observation and Research, 2005, 0(Z1) |
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| Authors: | Yuan Qu ) Dong Jianhui ) ) Yichang Center Seismic Station Hubei Province China ) Earthquake Group in Sanxia District of the Yangtze River Water Conservancy Commission Yichang China |
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| Affiliation: | Yuan Qu 1) and Dong Jianhui 2) 1) Yichang Center Seismic Station,Hubei Province 443100,China 2) Earthquake Group in Sanxia District of the Yangtze River Water Conservancy Commission,Yichang 443133,China |
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| Abstract: | |
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| Keywords: | hydrogeology in reservoir area the effect of reservoir water microseism deformation reservoir earthquake |
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