1983年3月,东乡县洒勒山南坡发生了甘肃省三十多年来最大的一次滑坡灾害。滑坡发生后,省内外科学工作者相继赶往现场,进行实地考察,就洒勒山滑坡的危害程度、成因类型以及灾害前兆、特征等诸多问题搜集资料,进行科学分析;并对邻近地段再度 In March 1983, the largest landslide disaster in Gansu Province occurred in 30 years in Gansu Province on the southern slopes of Dongler County. After the landslide occurred, scientists from both inside and outside the province rushed to the scene one after another, conducted site visits, collected data on various issues such as the degree of damage, types of causes and precursors and characteristics of disasters and other characteristics of the Slope and made scientific analyzes;