A magnitude-6.5 earthquake struck northwestern Iran, killing at least 230 people and injuring 1,300 others; the official response, perceived to be slow, later caused widespread public anger.

The 2002 Bou'in-Zahra earthquake occurred on 22 June 2002. The epicenter was near the city of Bou'in-Zahra in Qazvin province, a region of northwestern Iran which is crossed by several major faults that is known for destructive earthquakes. The shock measured 6.5 on the M_wc scale, had a maximum Mercalli intensity of VIII (Severe), and was followed by more than 20 aftershocks. At least 261 people were killed and 1,500 more were injured.