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基于活动地块边界带的汶川强余震迁移分析
A SIMPLE ANALYSIS OF WENCHUAN STRONG EARTHQUAKE SEQUENCE MOVING BASED ON ACTIVE TECTONIC BLOCK BOUNDARY ZONE
【摘要】 对汶川地震序列分析,发现该序列中ML≥5.0级的强余震活动空间上存在明显空段,强余震围绕该空段有反复迁移发生特征。基于上述现象,作者从地震地质和经纬方向余震迁移的角度上做了一些研究,较为定量地为震区预测发震地点提供了简单依据。
【Abstract】 The Wenchuan earthquake sequence is analyzed,and the authors found that the ML≥5.0 strong aftershock empty segment obviously existed in the sequence distribution area and that the strong aftershocks occurred again and again surrounding this empty segment.According to the above mentioned characteristics,the authors researched aftershock activity from the aspect of earthquake geology and aftershock moving in longitude and latitude direction,more quantificationally providing some simple basis for shock area with estimating strong aftershock location.
【关键词】 汶川地震序列;
地震空段;
强余震迁移;
【Key words】 Wenchuan earthquake sequence; Earthquake empty segment; Strong aftershock moving;
【Key words】 Wenchuan earthquake sequence; Earthquake empty segment; Strong aftershock moving;
- 【文献出处】 高原地震 ,Plateau Earthquake Research , 编辑部邮箱 ,2009年02期
- 【分类号】P315.2
- 【被引频次】1
- 【下载频次】29