我国西部垂直形变趋势面演变与震情分析  

THE EVOLUTION OF VERTICAL DEFORMATION TREND SURFACE AND SEISMOLOGIC ANALYSIS IN WESTERN CHINA

作　　者：赵振才[1] 唐传芬 

机构地区：[1]国家地震局第二形变监测中心

出　　处：《高原地震》1995年第2期12-22,共11页Plateau Earthquake Research

摘　　要：本文在研究我国西部各垂直形变监测区形变特征及其演变的基础上，提出了垂直形变趋势面的概念。据此对我国西部七十年代以来垂直形变进行了阶段划分，并讨论了其与构造应力场变化及地震大形势的关系。进而结合青藏块体近年地震群体特征，对我国西部近期震情进行了分析。Based on the study of deformation characteristics and evolution in the vertical deformation monitoring regions of western China I a concept of vertical deformation trend surface was proposed in this paper. The vertical deformation since the 1970s in the same regions , was divided into a few of stages and the relation among the trend surface, change of tectonic stress field and general seismic situation were discussed. Further, combining with the cluster characteristics of earthquakes in Qinghai-Xizang block, the seismic condition in western China were analyzed.

关 键 词：监测区 垂直形变 趋势面 形变阶段 地震活动的扩展迁移 

分 类 号：P315.71[天文地球—地震学]