图2  鲜水河断裂带和历史强震震中分布图

     1. 道孚-松林口-乾宁断裂；2. 色拉哈-金龙寺断裂；3. 乾宁-康定断裂

Fig.2  Map of the Xianshuihe fault zone and the epicentral 

       distribution of historical strong earthquakes