Preliminary Earthquake Report of the Bostan-Abad Earthquake

Description

Fast View The Feb 02-2010 event [M4, III (JMA), IV (MM)] occurred about ~60km southeast of Tabriz town along the North Tabriz Fault, close to Bostan-Abadtown. The North Tabriz Fault is a major seismogenic fault in Iran. This activefault has a clear rupture along its strike. Strike of the North Tabriz Fault is ~NW-SE with vertical to near vertical dip. North Tabriz Fault has been studiedby several geologists (e.g. Berberian & Arshadi, 1976; Karakhanian et al., 2001; Hessami et al., 2003). Berberian and Arshadi (1976) mentioned to the sometraces of dextral movement mechanism along the North Tabriz Fault. Minimum sliprate ~2 mm/yr is estimated for this fault (Karakhanianet al.; 2001). Hessami et al. (2003) estimated atleast four surface faulting events for the North Tabriz Fault which has beenrecognized during the past 3.6 ka.