鲜水河断裂带,北起炉霍侏倭以北,南端延伸过康定后折向石棉与安宁河断裂带相接,全长300余公里,总体呈北55°西方向展布。根据《四川地震资料汇编》(以下简称《汇编》)第二卷中的四川强震简目统计,自公元前26年至1979年5月,四川全省共发生M≥4.7级地震274次,其中M≥7级强震16次。而鲜水河断裂M≥4.7级地震约70次,占全省地震的 The Xianshuihe fault zone extends northward from the kiln to the north of the kiln and extends over the Kangding to the north of the Anninghe fault zone. The total length is more than 300 kilometers and is generally 55 ° northward. According to the summary of the Sichuan Strong Earthquake in volume two of the “Sichuan Earthquake Data Compilation” (the “Compendium”), 274 M≥4.7 earthquakes occurred in Sichuan Province from 26 BC to May 1979, Among them, M≥7 strong earthquakes 16 times. The Xianshuihe fault M ≥ 4.7 earthquake about 70 times, accounting for the province’s earthquake