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Journal: Earthquake  2009 No.1  Share to Sinaweibo  Share to QQweibo  Share to Facebook  Share to Twitter    clicks:759   
Title:
汶川8.0级地震序列及震型判定
Author: 程万正 阮祥 张致伟
Adress: 四川省地震局,四川,成都,610041
Abstract: 研究了2008年5月12日四川省汶川8.0级地震余震序列,其特点是:余震序列丰富,持续时间长.余震沿NE向龙门山构造带的中央断裂条形展布,深度横剖面为锲形,呈现地块间强烈汇聚、挤压活动的特点.跨不同断裂段,余震震源机制解有逆冲、斜滑或走滑型,反映的局部构造应力场复杂.汶川8.0级地震序列为主震-余震型,文中给出了其判定的主要依据及分析预测结果.
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