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1972年9月27日及9月30日先后在康定县塔公区发生两次5.8级和一次5.6级地震,原成都地震大队派出考察人员、深入震中区调查,于同年10月提交了报告.十余年来沿鲜水河地震带开展了多种地震观测研究.无论从研究该区断裂结构、地震活动周期中的强震类型,或回顾1973年2月6日炉霍大地震前预测预报经验等方面考虑,塔公地震的震害及地震地质特征都是具有重要的研究价值.尤其是在我省,在以地震地质方法探讨中期大震预测上,塔公地震前后的工作有其重要的意义.本文拟以介绍此次地震的概况为主,兼论有关问题,供与有兴趣的同志讨论.
Sept. 27, 1972 and Sept. 30, 1972, two 5.8 and one 5.6-magnitude earthquake occurred successively in the tower area of Kangding County. The former Chengdu Earthquake Brigade dispatched inspectors to investigate in the epicenter of the epicenter and submitted a report in October of the same year. For more than ten years, a variety of seismic observations have been carried out along the Xianshuihe seismic zone, no matter from the study of the fault structure in the area, the type of strong earthquakes in the seismic activity cycle or the prediction and forecast before the Huohuo earthquake on February 6, 1973 Experience and other aspects, the seismic damage of the Tugong Earthquake and the geological characteristics of the earthquake are of great research value.In particular, in our province, it is important to study the prediction of medium-term large earthquakes in the earthquake geology method before and after the Tachang Earthquake .This paper intends to introduce the general situation of the earthquake, and discuss the relevant issues for discussion with interested comrades.