STUDY ON JIASHI STRONG EARTHQUAKE SWARM AREA BY InSAR
Qiao Xuejun 1,2) and Guo Limin 1)
1)Institute of Seismology,CEA, Wuhan 4300712)Institute of Geophysics,CEA,Beijing 100081
Abstract On the basis of ERS 1/2 SAR from ESA,the DInSAR interferograms of Jiashi strong earthquake swarm area during 1996-1999 are obtained by combining with highprecision SRTM digital height modelDEM by NASA of America.The results show that the seismic activities and crustal deformation in this area during 1996-1999 were effected by faults of EW and NEE and the motion difference between the southern and northern blocks of the Keping fault was about 5 mm/a(along the LOS trend).However the Jiashi Ms6.0 earthquake on aug.2,1998 and Ms6.6 earthquake on Aug.27 may not be related to buried fault.
Key words ：
Jiashi strong earthquake swarm
InSAR
buried fault
Tianshan mountain
DInSAR interferogram
Received: 01 January 1900
Corresponding Authors:
Qiao Xuejun
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