| 小湾库区水库诱发地震的地质环境分析 |
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| 引用本文： | 毛玉平,王洋龙,李朝才.小湾库区水库诱发地震的地质环境分析[J].地震研究,2004,27(4):339-343. |
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| 作者姓名： | 毛玉平 王洋龙 李朝才 |
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| 作者单位： | 云南省地震局,昆明,650041;云南省地震局,昆明,650041;云南省地震局,昆明,650041 |
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| 摘 要： | 在文献1]的基础上，通过对小湾库区岩石介质、地质构造、构造应力场、库区及周围地震活动特点的分析，认为小湾库区水库诱发地震的地质环境比较复杂，存在发生岩溶型、裂隙型、构造型等三种成因类型的水库诱发地震的基本条件，而沿通过库区的澜沧江断裂带及其次级断层，和无量山断裂带发生构造型水库诱发地震，是小湾库区水库地震活动的主要诱发因素：
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| 关 键 词： | 水库地震 地质构造 应力场 小震活动 小湾库区 |
| 文章编号： | 1000-0666(2004)04-0339-05 |
| 修稿时间： | 2003年11月4日 |
Seismo-geological Ambiance Analyses of Reservoir-Induced Earthquake in Xiaowan Area |
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| MAO Yu-ping,WANG Yang-long,LI Chao-cai.Seismo-geological Ambiance Analyses of Reservoir-Induced Earthquake in Xiaowan Area[J].Journal of Seismological Research,2004,27(4):339-343. |
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| Authors: | MAO Yu-ping WANG Yang-long LI Chao-cai |
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| Abstract: | On the basis of reference 1], through the analyses of rock media, geological structures, tectonic stress field and seismic active characteristics in the reservoir area and nearby, it is considered that the geological ambiance of reservoir-induced earthquake in Xiaowan area is complicated. There exist three types of geneses for conditions of reservoir-induced earthquake, such as karst type, fissure type and structure type. However, the structural reservoir-induced earthquake along the Lancangjiang Fault and its sub-faults, as well as the Wuliangshan Fault Zone which crosses the reservoir areas, is the major inducing factors. |
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| Keywords: | reservoir-induced earthquake geological structure stress field activities of small earthquake Xiaowan reservoir area |
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