Aftershocks Study of the 26 December 2003 Bam Earthquake

M. Tatar, D. Hatzfeld, A.S. Moradi, A. Paul, A.M. Farahbod, M. Mokhtari

Abstract


From 29 December to 30 January, a dense seismological network of 20 stations surrounding the epicentral area of the 26 December 2003 Bam earthquake was installed to study the seismic activity that took place after the main shock. The aftershock distribution is consistent with a 30 km north-south striking fault. The focal depths distribution shows a nearly vertical alignment of aftershocks located between 6 to 20 km depth. The focal mechanism solutions indicate right lateral strike slip faulting on N-S trending fault, parallel to the Bam fault trace. However, there is a small offset of about 5km westward between the Bam fault trace and the aftershocks distribution.

Keywords


Bam; Aftershocks; Strike Slip Fault; Focal Mechanism; Local Seismological Network

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