| Surface rupture zone of the 1303 Hongtong M=8 earthquake, Shanxi Province |
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| 引用本文： | 江娃利,邓起东,徐锡伟,谢新生. Surface rupture zone of the 1303 Hongtong M=8 earthquake, Shanxi Province[J]. 地震学报(英文版), 2004, 17(4) |
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| 作者姓名： | 江娃利 邓起东 徐锡伟 谢新生 |
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| 作者单位： | Institute of Crustal Dynamics，China Earthquake Administration，Beijing 100085，China，Institute of Geology，China Earthquake Administration，Beijing 100029，China，Institute of Geology，China Earthquake Administration，Beijing 100029，China，Institute of Crustal Dynamics，China Earthquake Administration，Beijing 100085，China |
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| 基金项目： | Joint Seismological Science Foundation of China (No. 201017). |
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| 摘 要： | Introduction The 1303 Shanxi Hongtong M=8 earthquake is the earliest M=8 event determined in histori-cal records in China and the largest recorded in Shanxi fault-depression system in history. Some researchers have discussed the tectonic environment of this earthquake (DENG, et al, 1973; DENG, 1984; DENG, XU, 1994, 1995; Seismo-geological Brigade, State Seismological Bureau, Depart-ment of Geology and Geography, Peking University, 1979; LIU, XIAO, 1982; ZHANG, JIA, 1986; SU, …
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Surface rupture zone of the 1303 Hongtong M=8 earthquake, Shanxi Province |
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| JIANG Wa-li)DENG Qi-dong) XU Xi-wei) XIE Xin-sheng) ) Institute of Crustal Dynamics,China Earthquake Administration,Beijing ,China ) Institute of Geology,China Earthquake Administration,Beijing ,China. Surface rupture zone of the 1303 Hongtong M=8 earthquake, Shanxi Province[J]. Acta Seismologica Sinica(English Edition), 2004, 17(4) |
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| Authors: | JIANG Wa-li)DENG Qi-dong) XU Xi-wei) XIE Xin-sheng) ) Institute of Crustal Dynamics China Earthquake Administration Beijing China ) Institute of Geology China Earthquake Administration Beijing China |
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| Affiliation: | JIANG Wa-li1)DENG Qi-dong2) XU Xi-wei2) XIE Xin-sheng1) 1) Institute of Crustal Dynamics,China Earthquake Administration,Beijing 100085,China 2) Institute of Geology,China Earthquake Administration,Beijing 100029,China |
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| Abstract: | Based on the latest displacement of Huoshan piedmont fault, Mianshan west-side fault and Taigu fault obtained from the beginning of 1990s up to the present, the characteristics of distribution and displacement of surface rup-ture zone of the 1303 Hongtong M = 8 earthquake, Shanxi Province are synthesized and discussed in the paper. If Taigu fault, Mianshan west-side fault and Huoshan piedmont fault were contemporarily active during the 1303 Hongtong M = 8 earthquake, the surface rupture zone would be 160 km long and could be divided into 3 segments, that is, the 50-km-long Huoshan piedmont fault segment, 35-km-long Mianshan west-side fault segment and 70-km-long Taigu fault segment, respectively. Among them, there exist 4 km and 8 km step regions. The surface rupture zone exhibits right-lateral features. The displacements of northern and central segments are respectively 6~7 m and the southern segment has the maximum displacement of 10 m. The single basin-boundary fault of Shanxi fault-depression system usually corresponds to M 7 earthquake, while this great earthquake (M = 8) broke through the obstacle between two basins. It shows that the surface rupture scale of great earthquake is changeable. |
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| Keywords: | M = 8 earthquake surface rupture zone changeability of rupture scale |
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