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利用矩张量反演方法反演了 1996年 6月 1日天祝 -古浪 5 .4级地震序列的震源机制 ,并与该区小震综合断层面解进行了比较。在此基础上讨论了该地震前后震源区应力场的变化特征。
Using the moment tensor inversion method, the focal mechanism of the Tianzhu - Gulang Ms5.4 earthquake sequence was retrieved from June 1, 1996 and compared with the comprehensive solutions of the complex earthquakes in this area. On this basis, the variation characteristics of stress field in the source area before and after the earthquake are discussed.