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| 引用本文： | 夏金梧,李长安,曾新平,董建辉.????????????????????????????????о?[J].大地测量与地球动力学,2008,28(2):8-15. |
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| 作者姓名： | 夏金梧 李长安 曾新平 董建辉 |
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| 作者单位： | 1. 长江水利委员会,武汉,430011
2. 中国地质大学(武汉),武汉,430074 |
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| 摘 要： | ???????????????о???????????????????????????????????????о????о??????????1??????????????????????????????????????????????????????л???2??????????????????????????????????3????????????????????????????????????????4?????????????????????????????????????????????????5???????????￡?????????????Ms3.0??4.0?????????
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| 关 键 词： | ??????????? ??????? ??????? ??????? ?????????? |
| 文章编号： | 1671-5942(2008)02-0008-08 |
| 修稿时间： | 2008年1月15日 |
STUDY ON CHARACTERISTICS AND SEISMIC ACTIVITY OF GAOQIAO FAULT IN HEAD AREA OF THREE GORGES RESERVOIR |
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| Xia Jinwu,Li Changan,Zeng Xinping,Dong Jianhui.STUDY ON CHARACTERISTICS AND SEISMIC ACTIVITY OF GAOQIAO FAULT IN HEAD AREA OF THREE GORGES RESERVOIR[J].Journal of Geodesy and Geodynamics,2008,28(2):8-15. |
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| Authors: | Xia Jinwu Li Changan Zeng Xinping Dong Jianhui |
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| Abstract: | The property and seismicity of Gaoqiao fault is analyzed by use of geologic and seismological method.The results show:1)The scale of Gaoqiao fault is large.It is a fault at the top of the earth's crust.The new aitivity age was earlier period of the late Pleistocenc;2)The perineability structure of the fault is distributed conduit that is useful for infiltration of underground water.3)there are obvious seismic activity before and after impoundment of the Three Gorges Reservoir along Gaoqiao fault zone;4)After impoundment,the seismicity of Gaoqiao fault behaves as a energy releasing in the form of medium frequency and low intensity;5)Gaoqiao fault is a potential seismic risk region in this area and vicinity,where will occur tectonic reservoir-induced seismicity of %M %s3.0-4.0. |
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| Keywords: | the Three Gorges Porjection on Yangtze River Gaoqiao fault fault activity distributed conduit reservoir-induced earthquake |
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