Title :
The seismic fault parameters retrieval of Zhangbei earthquake
Author :
Hong, Zhang ; Chao, Wang ; Zhi, Liu ; Yixian, Tang
Author_Institution :
LARSIS, Acad. Sinica, Beijing, China
Abstract :
Using the interferometric fringes generated by the phase difference among three SAR images acquired by the ERS-1/2 satellite, based on a standard elastic dislocation formation for coseismic displacement, the seismic fault parameters of Zhangbei-Shangyi earthquake are estimated. It is suggested that the seismic fault of Zhangbei-Shangyi earthquake is a thrust fault dipping SW with a large right-lateral displacement component. The strike, dip are 95°, 30°, respectively on a fault patch 12 km long by 14 km wide. Its hypocenter is located at N40°58´, E114°21´, 7.5 km depth. The estimated slip vector is 0.728 m with a rake of 105.95° the trend of slip is NW13.26°
Keywords :
earthquakes; faulting; geodesy; radar imaging; remote sensing by radar; spaceborne radar; synthetic aperture radar; China; ERS-1/2 satellite; SAR images; Zhangbei earthquake; Zhangbei-Shangyi earthquake; coseismic displacement; hypocenter; interferometric fringes; phase difference; seismic fault parameters; slip vector; thrust fault; Earthquakes;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2001. IGARSS '01. IEEE 2001 International
Conference_Location :
Sydney, NSW
Print_ISBN :
0-7803-7031-7
DOI :
10.1109/IGARSS.2001.978339
