台湾集集921地震地壳形变的简介与讨论

摘要

台湾集集921地震是20世纪末发生在我国的一次影响很大的地震。地震发生一年后，笔者有幸考察了地震现场。本文展示部分地震遗迹照片和收集到的GPS观测资料，分析讨论了这次地震的震前震后地壳形变特征。%Jiji 921 earthquake,occurred in Taiwan,China in 1999,is a well-known earthquake in the end of the twentieth century.One year after the event,we were invited to make a field investigation on the earthquake.In this paper,we show some photos of the earthquake remains and GPS data,and make a discussion on the characteristics of the crustal deformation before and after the earthquake.