我国西部地震群体活动特征研究  

Study on feature of grouping seismicity in western China

作　　者：赵振才[1] 陈兵[1] 

机构地区：[1]中国地震局第二地形变监测中心,陕西西安710054

出　　处：《地震》2000年第1期80-84,共5页Earthquake

摘　　要：在对我国西部本世纪第五个地震活跃幕以来地震群体活动时空强演变规律回顾的基础上，研究了近１～２年中强地震的分布特点，结合大地形变的演变状况，对本区地震活动进行了研究，并认为本区处于本活跃幕末的翘尾活动阶段。Based on the time-space intensity evolution of grouping seismicity during the seismically fifth active period since this century in western China, the distribution charac- teristics of moderately earthquakes in last 2 years has been studied. Combining with evolu- tional situation of geodetic deformation, the seismic activity is researched in the area. The conclusion is drawn as follows: the seismically active period is being in last re-activated stage.

关 键 词：地震活跃幕 地震活动 大地形变 印度板块 地震群 

分 类 号：P315.2[天文地球—地震学] P315.5[天文地球—固体地球物理学]