RELATIONSHIP BETWEEN FAULT DEFORMATION AND EARTHQUAKES IN NORTH CHINA
Guo Liangqian;Ma Qing;Du Xuesong ;and Sun Dongying
First Crust Deformation Monitoring and Application Center, CEA, Tianjin 300180
Abstract The background deformation crustal velocity of North China in the period from 1985 to 2006 was calculated with the linear fitting method. Anomalydistinguishing scanning was made one iterm after another and the data including crossfault deformation observation anomaly amount and anomaly frequency were calculated according to the zones or areas. The results indicate that about one year before earthquakes of M≥6.0, anomaly frequency became larger and earthquake often occurred during or after the progress of highfrequency anomaly. There is also certain reflections of the anomaly frequency on earthquakes of M≥5.0.
Key words ：
deformation
fault activity
anomaly frequency
precursory indicator
earthquake
Received: 01 January 1900
Corresponding Authors:
Guo Liangqian
Cite this article:
Guo Liangqian,Ma Qing,Du Xuesong et al. RELATIONSHIP BETWEEN FAULT DEFORMATION AND EARTHQUAKES IN NORTH CHINA[J]. , 2008, 28(3): 14-20.
Guo Liangqian,Ma Qing,Du Xuesong et al. RELATIONSHIP BETWEEN FAULT DEFORMATION AND EARTHQUAKES IN NORTH CHINA[J]. jgg, 2008, 28(3): 14-20.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2008/V28/I3/14
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