ANALYSIS OF ORIENTATION CHARACTERISTICS OF STRESS AND STRAIN RATE FIELDS IN CHINESE MAINLAND
Wu Yanqiang 1) ; Jiang Zaisen 1) ; Yan Wei 2) ; Liu Xiaoxia 1) ; and Zhao Jing 1)
1)Institute of Earthquake Science, CEA, Beijing 100036;2)China Earthquake Networks Center, CEA, Beijing 100045
Abstract On the basis of World Stress Map(WSM) plan and GPS velocity field data we studied the stress orientation and strain rate in the Chinese mainland by using the least squlares collocation method.The results show that the two fields are consistent in general,but there are differences in the east part of QinghaiTibet block,in which the orientation of stress is near NEword and that of strain raete is EW,and another difference region which locates in the west area of the Xiyu block whose stress orientation presents from NW to NE,with general direction is from west to east and the GPS principal compressive strain rate is mainly near NS.
Key words ：
World Stress Map plan
azimuth of stress
principal compressive strain rate of GPS
least squares collocation
residual analysis
Received: 01 January 1900
Corresponding Authors:
Wu Yanqiang
Cite this article:
Wu Yanqiang ,Jiang Zaisen ,Yan Wei et al. ANALYSIS OF ORIENTATION CHARACTERISTICS OF STRESS AND STRAIN RATE FIELDS IN CHINESE MAINLAND[J]. , 2012, 32(1): 5-9.
Wu Yanqiang ,Jiang Zaisen ,Yan Wei et al. ANALYSIS OF ORIENTATION CHARACTERISTICS OF STRESS AND STRAIN RATE FIELDS IN CHINESE MAINLAND[J]. jgg, 2012, 32(1): 5-9.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2012/V32/I1/5
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