| Far-field coseismic displacements associated with the great Sumatra earthquakes of December 26, 2004 and March 29, 2005 constrained by Global Positioning System |
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| 引用本文： | WANG Min ZHANG Peizhen SHEN Zhengkang LIU Jie SUN Hanrong GAN Weijun LI Peng. Far-field coseismic displacements associated with the great Sumatra earthquakes of December 26, 2004 and March 29, 2005 constrained by Global Positioning System[J]. 科学通报(英文版), 2006, 51(14): 1771-1775. DOI: 10.1007/s11434-006-2034-z |
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| 作者姓名： | WANG Min ZHANG Peizhen SHEN Zhengkang LIU Jie SUN Hanrong GAN Weijun LI Peng |
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| 作者单位： | [1]State Key Laboratory of Earthquake Dynamics, Institute of Geology,China Earthquake Administration, Beijing 100029, China [2]Institute of Earthquake Science, China Earthquake Administration,Beijing 100036, China [3]China Earthquake Network Center, China Earthquake Administration,Beijing 100036, China |
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| 基金项目： | Acknowledgements The authors thank National Earthquake Infrastructural Service and ＂Crustal Movement 0bervation Network of China＂ for providing data used in this study. This work was supported by the National Key Basic Research Program （973） （Grant No. 2004CB418401）. |
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| 摘 要： | On December 26, 2004, a great earthquake along the northern Sumatra coast, with its consequent tsunami, caused about 300000 deaths (refer to the 2004 earth-quake hereafter). This great thrust faulting event oc-curred on the subduction zone between Indian …
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| 关 键 词： | 远场同震位移 板块边界 耦合 逆掩断裂作用 GPS |
| 收稿时间： | 2005-09-27 |
| 修稿时间： | 2005-09-272005-11-22 |
Far-field coseismic displacements associated with the great Sumatra earthquakes of December 26, 2004 and March 29, 2005 constrained by Global Positioning System |
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| Min Wang,Peizhen Zhang,Zhengkang Shen,Jie Liu,Hanrong Sun,Weijun Gan,Peng Li. Far-field coseismic displacements associated with the great Sumatra earthquakes of December 26, 2004 and March 29, 2005 constrained by Global Positioning System[J]. Chinese science bulletin, 2006, 51(14): 1771-1775. DOI: 10.1007/s11434-006-2034-z |
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| Authors: | Min Wang Peizhen Zhang Zhengkang Shen Jie Liu Hanrong Sun Weijun Gan Peng Li |
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| Affiliation: | (1) State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration, Beijing, 100029, China;(2) Institute of Earthquake Science, China Earthquake Administration, Beijing, 100036, China;(3) China Earthquake Network Center, China Earthquake Administration, Beijing, 100036, China |
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| Abstract: | Based on continuous GPS observations within China as well as global GPS tracking network, a calculation has been made of far-field coseismic displacements associated with the December, 2004 (Mw = 9.3) and March, 2005 (Mw = 8.7) earthquakes. The far-field coseismic displacements are associated with the 2004 shock range more than 6000–7000 km in both north-south and east-west dimensions, and depict an undulated wave pattern of contraction and extension. The coseismic displacements associated with the 2005 event, however, are distributed near the epicentral region, and the event itself may be an aftershock of the 2004 earthquake. |
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| Keywords: | far-field coseismic displacement coupling of plate boundary thrust faulting earthquake. |
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