岩崩突发遮天蔽日 1994年4月30日上午11时45分,随着隆隆巨响,四川省武隆县境内乌江航道左岸的鸡冠岭—龙冠嘴山体一带,升起冲天尘柱,遮天蔽日。530万立方米的岩石(分布长约760米,平均宽约200米)从山坡迅速下滑,巨大的岩石正在崩塌。其中30万立方米的岩石顺坡而下倾入乌江(水下有10万立方米左右),当即形成110多米长的 Sudden collapse of the rock avalanche shelter day April 30, 1994 11:45, with the rumbling loud noise, Wu Long Wulong County in Sichuan Province on the left bank of the Jiguan Ridge - Long Guanzui area, rising sky column , Cover the sun. 5.3 million cubic meters of rock (about 760 meters in length and an average width of about 200 meters) fell rapidly from the hillside, huge rocks are collapsing. Among them, 300,000 cubic meters of rock slipped down the Wujiang River (about 100,000 cubic meters underwater), forming an area of ​​over 110 meters