摘要
3.4 magnitude earthquake happened in the interface of Zhenfeng,Guanling and Zhenning (105.75E,25.59N) of Guizhou province at 17:7 in 17~th,Jan,2010,the focal depth is 10 km.The earthquake induced the rock avalanche,caused 6 death and 9 injured.In this paper,it introduces the basic condition of the rock avalanche and the geologic background of the epicentral area,and studies the causation of the rock advance.