2  理塘及其附近地区地质构造和历史地震震中分布图

1._德格-乡城断裂;2._赠科硕曲断裂;3._瓦日下坝断裂;4._甘孜-理塘断裂

5._理塘-德巫断裂;6._合合海子断裂;7._八窝龙断裂;8._三岩龙断裂;

9._木里弧形断裂;10._马头山断裂;11._鲜水河断裂;12._玉科断裂

Fig.2  Map of geological structure and the epicentral distribution  

       of historical earthquakes around Litang area