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| 引用本文： | 任俊杰,张世民.??8????????????????????乹??????[J].大地测量与地球动力学,2008,28(6):47-52. |
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| 作者姓名： | 任俊杰 张世民 |
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| 作者单位： | 1. 中国地震局地壳应力研究所,北京,100085;中国地震局地质研究所,北京,100029
2. 中国地震局地壳应力研究所,北京,100085 |
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| 基金项目： | 中国地震局地壳应力研究所中央级公益性科研院所基本科研业务专项基金
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| 摘 要： | ???ò??GPS????8????????????????????????????????????????????????????????:?????????-?????????γ?????200 km???????????????????????-????????????γ?????75 km??????????????????????????????????????????????????????????????????????????????????????????????
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| 关 键 词： | ??8?????? ???????? ?????????? ???????? ????? |
CHARACTERISTICS OF SURFACE RUPTURE ZONE OF WENCHUAN Ms8.0 EARTHQUAKE AND ITS TECTONIC SIGNIFICANCE |
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| Ren Junjie,Zhang Shimin.CHARACTERISTICS OF SURFACE RUPTURE ZONE OF WENCHUAN Ms8.0 EARTHQUAKE AND ITS TECTONIC SIGNIFICANCE[J].Journal of Geodesy and Geodynamics,2008,28(6):47-52. |
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| Authors: | Ren Junjie Zhang Shimin |
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| Institution: | 1)Institude of Crustal Dynamics, CEA，Beijing 1000852)Institude of Geology, CEA，Beijing 100029 |
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| Abstract: | On the basis of detail geological investigations of the surface rupture zone caused by Wenchuan Ms8.0 earthquake by use of differential GPS measurement, the characteristics of spatial distribution of surface rupture zone are known that a 200 km long surface rupture was formed along the Beichuan Yingxiu fault in the Wenchuan Ms8.0 earthquake. It also triggered the activity of the Guanxian Jiangyou fault as indicated by an 75 km long surface rupture. The distribution of earthquake surface rupture shows that the initial rupture is mainly north east strike thrust with a little dextral slip and the subsequent rupture is a slip with the almost equal vertical and horizontal displacement. |
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| Keywords: | Wenchuan Ms8 0 earthquake surface rupture zone Longmenshan fault zone tectonic implication Tibetan plateau |
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