摘要
2004年3月24日内蒙古自治区锡林郭勒盟东乌珠穆沁旗发生Ms5 9级地震,地震微观震中位于北纬45°19′,东经118°22′,宏观震中位于东乌珠穆沁旗与西乌珠穆沁旗交界处的格日乐图嘎查。经过余震序列及区域地震序列类比分析,认为该次地震是一次较为明显的孤立型地震。宏观烈度长轴走向与最佳震源机制解结果基本接近。
A Ms5.9 earthquake occurred in Dongwuzhumuqinqi on Mar.24,2004,Microscopic epicenter locates in the north latitude 45°19′, east longitude 118°22′, macroscopic epicenter locates in Geriletugacha between Dongwuzhumuqinqi and Xiwuzhumuqinqi.This earthquake is an isolatable earthquake on the basis of aftershock sequence and areal earthquake sequence analogy analysis .The focal mechanism solution accord with the long-axis strike of macrocomic macrocomic intensity.