形变测量和道孚地震ht

在四川鲜水河断裂带上的炉霍和道孚两地,分别于1973年和1981年发生了7.9级和6.9级地震,本文根据该断裂带上六处跨地震主破裂面和跨断层短水准、短基线场的多年形变测量资料,分析了断层活动特征与地震孕育和发生的关系,并对运用跨断层形变测最手段与地震预报作了粗浅的探讨.

SURFACE DEFORMATION MEASUREMENT AND THE DAOFU EARTHQUAKE

In the years 1973 and 1981 two major earthquakes of respectively magnitudes 7.9 and 6.9 occurred at Luhuo and Daofu on the Xiaushuihe fault of Sichuan Province. In this paper, by analysing the data of geodetic measurements of ground surface deformation, accumulated in several years, on six short levelling and base lines crossing the major earthquake fault fracture and fault traces, the relation between the characteristics of fault movement and occurrence of the earthquakes have been studied. Preliminary discussion on earthquake prediction by geodetic measurment across earthquake faults has been attempted.