2  震中周围主要断裂及历史地震震中分布图(1927~1988)

     ①可肯达坂断裂;②松树达坂断裂;③霍拉山断裂;

     ④北轮台-辛格尔断裂;⑤红水沟断裂

Fig.2  Map of major faults and the epicentral distribution  of

       historical earthquakes around the epicentral area