1983年3月7日北京时间17时46分许,甘肃省临夏回族自治州东乡族自治县境内的洒勒山发生了大型灾害性滑坡(见封二照片1)。地理坐标为东经103°35′,北纬35°34′。山体的一部分从高出那勒寺河三百余米的高处滑入河谷。大约在2分钟内,数以千万吨计的土体冲向河床,2300亩地面顿成土海,毁村庄四个,死二百余人,毁埋房屋五百多间,八十余户居民中有七十余户被压埋。附近的水库、公路和通 March 7, 1983 Beijing time at 11:46 pm, Linxia Autonomous Prefecture, Gansu Province, Dongxiang Autonomous County of the occurrence of a large-scale disastrous landslides (there is a picture of Feng 2). The geographical coordinates are 103 ° 35 ’east longitude and 35 ° 34 ° north latitude. A part of the mountain slides into the valley from a height of 300 meters above the Narashiyama River. In about two minutes, tens of millions of tons of soil rushed to the riverbed, 2,300 acres of land into a sea of ​​earth, destroyed the village of four, dead more than 200 people, buried more than 500 houses, more than 80 households More than 70 residents are buried underground. Near the reservoir, road and pass