of southwestern Pakistan on October 28, 2008. The main shock was followed by another
earthquake of identical magnitude (Mw 6.4) on the next day. The spatial distribution of
aftershocks and focal mechanism revealed a NW–SE striking rupture with right-lateral strike-
slip motion which is sympathetic to the NNW–SSE striking active mapped Urghargai Fault.
The occurrence of strike-slip earthquakes suggests that along with the thrust faults, strike slip …