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| 苏门答腊地震对柴达木地方震的触发作用 | |
| 引用本文： | 马寅生,史大年,安美建,王小凤,霍光辉,李国岐,尹成明,张西娟,施炜,杜建军.苏门答腊地震对柴达木地方震的触发作用[J].地质力学学报,2005,11(2):110-116. |
| 作者姓名： | 马寅生 史大年 安美建 王小凤 霍光辉 李国岐 尹成明 张西娟 施炜 杜建军 |
| 作者单位： | 1. 中国地质科学院地质力学研究所,北京,100081 2. 中国地质科学院矿产资源研究所,北京,100037 3. 中国科学院研究生院计算地球动力学实验室,北京,100049 4. 中国石油天然气股份有限公司青海油田分公司,敦煌,736200 |
| 摘 要： | 2004年12月26日印度尼西亚苏门答腊西北海域发生40年来最强烈的地震，造成巨大伤亡和财产损失。大地震在4000km外的柴达木盆地西部地区狮子沟地震台阵网上有长达1000多秒的明显记录，也触发柴西地区地方震的发震频率在大地震之后一天内提高了10倍。从大地震触发的地方震活动分布来看，触发地震的发震断裂是英雄岭南侧花土沟断裂和红柳泉断裂。 |
| 关 键 词： | 苏门答腊地震 柴达木盆地 活动断裂 |
| 文章编号： | 1006-6616(2005)02-0110-07 |
| 收稿时间： | 2005/2/2 0:00:00 |
| 修稿时间： | 2005年2月2日 |
TRIGGERING OF LOCAL EARTHQUAKES IN THE QAIDAM BASIN BY THE SUMATRA EARTHQUAKE |
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| MA Yin-Sheng,SI Da-nian,AN Mei-jian,WANG Xiao-feng,HUO Guang-hui,LI Guo-Qi,YIN Cheng-ming,ZHANG Xi-juan,SHI Wei,DU Jian-jun.TRIGGERING OF LOCAL EARTHQUAKES IN THE QAIDAM BASIN BY THE SUMATRA EARTHQUAKE[J].Journal of Geomechanics,2005,11(2):110-116. | |
| Authors: | MA Yin-Sheng SI Da-nian AN Mei-jian WANG Xiao-feng HUO Guang-hui LI Guo-Qi YIN Cheng-ming ZHANG Xi-juan SHI Wei DU Jian-jun |
| Affiliation: | Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081,Institute of Mineral Resource, Chinese Academy of Geological Sciences, Beijing 100037,Graduate School of the Chinese Academy of Sciences, Beijing 100049,Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081,Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081,Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081,Qinghai Oilfield Branch, PetroChina, Dunhuang 736200, Gansu,Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081,Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081 and Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081 |
| Abstract: | A magnitude 9.0 earthquake,which was the strongest earthquake in the past four decades,occurred just off the northwest coast of Sumatra,Indonesia,on December 26,2004.It caused serious damage and casualties.This large earthquake left as long as more than 1000 seconds of records at the Shizigou seismograph station in the western part of the Qaidam basin a distance of 4000 km from the epicenter.It has also triggered the local seismic activity in the western Qaidam basin.The frequency of the local earthquakes in the day after the occurrence of the large earthquake was 10 times as high as it had been.From the distribution of the local seismic activity triggered by the large earthquake,the causative faults triggering the local earthquakes in the western Qaidam basin are the Huatugou fault and Hongliuquan fault on the southern side of the Yingxiong Range. |
| Keywords: | Sumatra earthquake Qaidam basin active fault |
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