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| 引用本文： | 杨永林,苏琴.??????????????????о?[J].大地测量与地球动力学,2007,27(6):22-27. |
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| 作者姓名： | 杨永林 苏琴 |
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| 作者单位： | 1. 成都理工大学,成都,610059;四川省地震局测绘工程院,雅安,625000
2. 四川省地震局测绘工程院,雅安,625000 |
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| 基金项目： | 感谢闻学泽研究员对本文提出的宝贵意见. |
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| 摘 要： | ?????????????????????α????????????????????????????????????????????? ?????????????????????????λ????????????????????????????????????α?????? ????????????????????????????????????ж???????????????????????????????????????????????????????????????????????С??????????????????????????????
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| 关 键 词： | ????????? ?????α???? ????????? ?????? ???Σ?????? |
| 文章编号： | 1671-5942（2007）06-0022-06 |
| 收稿时间： | 2007-04-29 |
| 修稿时间： | 2007年4月29日 |
ON PRESENT ACTIVITY CHARACTERISTICS OF XIANSHUIHE FAULT ZONE |
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| Yang Yonglin,Su Qin.ON PRESENT ACTIVITY CHARACTERISTICS OF XIANSHUIHE FAULT ZONE[J].Journal of Geodesy and Geodynamics,2007,27(6):22-27. |
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| Authors: | Yang Yonglin Su Qin |
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| Institution: | １）ＣｈｅｎｄｕＵｎｉｖｅｒｓｉｔｙｏｆＴｅｃｈｎｏｌｏｇｙ，Ｃｈｅｎｇｄｕ ６１００５９ ２）ＳｕｒｖｅｙＥｎｇｉｎｅｅｒｉｎｇＩｎｓｔｉｔｕｔｅｏｆＥａｒｔｈｑｕａｋｅＡｄｍｉｎｉｓｔｒａｔｉｏｎｏｆＳｉｃｈｕａｎＰｒｏｖｉｎｃｅ，Ｙａａｎ ６２５０００ |
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| Abstract: | Along the faults of Xianshuihe several fault-crossing measurement sites were set up and the observations has been carried out for more than 20 years,Combining with the spatial-temporal seismic fracture information along the faults,the present tectonic activity characteristics in the differen segments of the fault are compared with each other.It shows that the different segments of the fault present the different active characteristics.The north-western segment of the fault is of left-lateral strike-slip,the middle segment is of left-lateral strike-slip with the tendency of reverse fault and the north-eastern segment is of left-lateral strike-slip with the tendency of normal fault.All the active amounts of every segments decrease with the time and these characteristics imply that the fault zone here is getting locked. |
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| Keywords: | Xianshuihe fault zone fault-crossing deformation measurement segmented feature of fault activity strain accumulation dangerous area of strong earthquake |
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