| 对1216年雷波马湖地震震中位置的质疑 |
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| 引用本文： | 梁小华,李文纲,杨建宏,蒋溥.对1216年雷波马湖地震震中位置的质疑[J].中国地震,2002,18(4):382-388. |
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| 作者姓名： | 梁小华 李文纲 杨建宏 蒋溥 |
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| 作者单位： | 1. 中国,北京,100029,中国地震局地质研究所
2. 中国,成都,610072国家电力公司成都勘测设计研究院 |
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| 摘 要： | 本文从地震地方志史料，马湖堰塞湖现场考察，马湖地区地震地质环境以及已有的研究成果出发，在目前普遍使用的1216年四川雷波马湖地震震中位置提出了质疑。
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| 关 键 词： | 震中位置 马湖地震 堰塞湖 滑坡堆积 四川 地震资料 |
| 文章编号： | 1001-4683(2002)04-0382-07 |
A Question about Epicentral Location of the 1212 Mahu Earthquake in Leibo County, Sichuan Province |
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| Liang Xiaohua,Li Wengang,Yang Jianhong,Jiang Pu.A Question about Epicentral Location of the 1212 Mahu Earthquake in Leibo County, Sichuan Province[J].Earthquake Research in China,2002,18(4):382-388. |
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| Authors: | Liang Xiaohua Li Wengang Yang Jianhong Jiang Pu |
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| Institution: | Liang Xiaohua 1) Li Wengang 2) Yang Jianhong 2) Jiang Pu 1) 1) |
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| Abstract: | Examination of the historical earthquake data in local chronicles,field investigation at the Mahu Barrier Lake and of seismo geological environment in the Mahu area,and study of the research results made the authors to raise a question about the presently generally accepted epicentral location of the 1216 Mahu earthquake in Leibo County,Sichuan Province. From the available historical data and after analysis of the basic seismo geological environment,the epicentral location of the 1216 Mahu earthquake needs to be relocated. If we consider it only from the aspect of seismo geological environment,the 1216 Mahu M 7 0 earthquake could occur at a relatively far distance from the Xiluodu Power Station,i.e.,it occurred at the intersection of NW ,NE ,and nearly W E trending active structures in the Mabian Yanjin seismo active zone east of the power station,more possibly in the Yanjin Daguan area with clear deep tectonic environment. |
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| Keywords: | Mahu earthquake Leibo County Barrier Lake Slope wash |
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