IMHE OpenIR  > 山地表生过程与生态调控重点实验室
汶川大地震宏观震中问题的讨论
Alternative TitleDiscussion on Macro-epicenter of Wenchuan Earthquake
乔建平1,2; 黄栋1,2; 杨宗佶1,2; 孟华君1,2,3
Corresponding Author乔建平
2013
Source Publication灾害学
ISSN1000-811
Volume28Issue:1Pages:1-5
Other Abstract 采用大地震诱发崩塌滑坡特点与地面破坏程度相结合,以及极震区几何中心方法,定性判定了汶川大地震的宏观震中位置。判定结果是汶川大地震应该有2个宏观震中,一是映秀镇牛圈沟为映秀极震区宏观震中,坐标位置:31.045 6°N,103.455 6°E;二是北川老县城为北川极震区宏观震中,坐标位置:31.863 7°N,104.361 0°E。两种判定方法相比,前者更符合山区特殊地质地貌环境下的地震破坏规律。 
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The macro-epicenter of Wenchuan earthquake is qualitatively determined by the method of combining the characteristics of earthquake-induced landslides and collapses with ground destructiveness, and the geometric center of the extreme seismic zone. Results show that Wenchuan earthquake should have two macro-epicenters. One is Niujuan canyon in Yingxiu extreme seismic region with coordinates as 31. 045 6°N, 103. 455 6°E, and the other is Beichuan county in Beichuan extreme seismic zone with coordinates as 31. 863 7°N, 104. 361 0°E. Two judging methods are compared, and the former is proved to be more in line with the law of earthquake destruction in the mountainous areas with special geological and geomorphological environment.

Keyword汶川8级地震 宏观震中 震中判定
Indexed ByCSCD
Language中文
CSCD IDCSCD:4740987
Funding Organization“十二五”科技支撑计划项目(2011BAK12B01) ; 国家重点基础研究(“九七三”)项目(2010CB731504)
Citation statistics
Cited Times:5[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/10031
Collection山地表生过程与生态调控重点实验室
山地灾害与地表过程重点实验室
Affiliation1.中国科学院地表过程与山地灾害重点实验室
2.中国科学院·水利部成都山地灾害与环境研究所
3.中国科学院研究生院
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
乔建平,黄栋,杨宗佶,等. 汶川大地震宏观震中问题的讨论[J]. 灾害学,2013,28(1):1-5.
APA 乔建平,黄栋,杨宗佶,&孟华君.(2013).汶川大地震宏观震中问题的讨论.灾害学,28(1),1-5.
MLA 乔建平,et al."汶川大地震宏观震中问题的讨论".灾害学 28.1(2013):1-5.
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