青海沟后水库溃坝沟后水库位于青海省海南藏族自治州共和县境内，总库容３３０万ｍ３，坝高７１ｍ，为钢筋混凝土面板坝。于１９８９年１０月５日下闸蓄水。１９９３年８月２７日晚１１时许发生溃堤事故，造成２８８人死亡。经调查，当时库区只降雨４—６ｍｍ，垮坝时蓄水... Qinghougouhou Reservoir After the dam dam ditch reservoir located in Qinghai Province, Hainan Tibetan Autonomous Prefecture Republican territory, with a total storage capacity of 3.3 million m3, the dam height of 71m, for the reinforced concrete dam. In October 5, 1989 under the gate storage. An embankment accident occurred at 11 pm on August 27, 1993, killing 288 people. After investigation, when the reservoir area only rainfall 4-6mm, collapse when the impoundment ...