一、安宁河-则木河断裂带的概况安宁河发源于四川冕宁县菩萨岗东西两股溪流——柯别河和北茎河。两河于大桥镇汇合后始称安宁河,古称孙水、白沙江、台登水、西泸水,清代称安宁河,取河水安宁之意。该河由北向南流经西昌、德昌、米易,在米易县城以南汇入雅砻江,全长313千米。安宁河断裂带北起石棉,中经冕宁、西昌、德昌、米易、会理,向南伸入云南境内大姚一带,四川 First, the Anning River - a general profile of the Zemuhe fault Anning River originated in Sichuan Mianning County, Bodhisattva two things streams - Kebie River and North Stem River. After the convergence of the two rivers in the town of Bridge said the Anning River, the ancient name of Sun Shui, Baisha River, Taiwan, water, West Lushui, said the Anning River in Qing Dynasty, take the meaning of tranquility of the river. The river flows from north to south through Xichang, Johnson and Miyi, and flows into Yalong River to the south of Miyi County with a total length of 313 kilometers. Anning River fault zone north of asbestos, in the Mianning, Xichang, Johnson, Mi Yi, Huili, southward into the territory of Yunnan Dayao, Sichuan