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Textual research of Wudu earthquake in 186 B.C. in Gansu Province, China and discussion on its causative structure

ISSN号：1674-4519
期刊名称：《地震学报：英文版》
时间：0
分类：P316[天文地球—地震学;天文地球—固体地球物理学;天文地球—地球物理学] P315.2[天文地球—地震学;天文地球—固体地球物理学;天文地球—地球物理学]
作者机构：[1]Lanzhou Base of Institute of Earthquake Science, CEA, Lanzhou 730000, China, [2]Lanzhou Institute of Seismology, CEA, Lanzhou 730000, China, [3]Institute of Geophysics, CEA, Beijing 100081, China
相关基金：The project was jointly supported by the follow-up projects of moderately strong earthquake prediction of the North-South earthquake zone of China Earthquake Administration, the Joint Earthquake Science Foundation of CEA （104073） and the National Natural science Foundation of China （40372086）. Contribution No. LC20060016 of Lanzhou Institute of Seismology of CEA.ACKN0WLEDGEMENT Dating of ^14C specimens is conducted by Cao Jixiu and Wang Zongli from the ^14C Dating Laboratory, Geographical Department, Besources and Environment College, Lanzhou University. And the TL dating of samples is conducted by Lai Wanchang and Tang Yuxiong from the TL Dating Laboratory, Department of Nuclear Material and Nuclear Technology Engineering, Chengdu University of Technology. The authors would express thanks to all the above.

作者：袁道阳[1,2], 雷中生[1,2], 何文贵[1,2], 熊振[3], 葛伟鹏[1,2], 刘兴旺[1,2], 刘百篪[1,2]

关键词：东昆仑断裂带, 玛曲断层, 古地震, 活动断层, The east Kunlun active fault, Maqu fault, Palaeo-earthquake

中文摘要：

东方 Kunlun 活跃差错是 Qinghai-Xizang (西藏) 高原的东北边缘上的一个重要趋势 NWW 边界差错。Maqu 差错是东方 Kunlun 活跃差错的最东部的片断。把沟基于三，四个 Holocene palaeoearthquake 事件沿着 Maqu 差错被识别。最近的 palaeo 地震事件是(1730 ?????  ???????? 攀 ??? 巬吗？？

英文摘要：

The East Kunlun active fault is an important NWW-trending boundary fault on the northeastern margin of the Qinghai-Xizang （Tibet） Plateau. The Maqu fault is the easternmost segment of the East Kunlun active fault. Based on three trenches, four Holocene palaeoearthquake events are identified along the Maqu fault. The latest palaeo-earthquake event is （ 1730 ± 50） - （ 1802 ± 52） a BP, the second is （3736 ± 57） - （4641 ±60） a BP, the third is （8590± 70） a BP, and the earliest is （ 12200 ±1700） ka BP. The time of the first and second palaeo-earthquake events is more reliable than that of the third and last ones. As a result, the recurrence interval of the palaeo-earthquakes on the easternmost segment of the East Kunlun active fault is approximately 2400 a, and the palaeo-earthquake elapsed time is （1730 ± 50） - （ 1802 ± 52） a BP.

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