At least 816 people were injured, some of whom were transported to nearby counties for treatment, according to Mohammad Sadegh Motamedian, the governor of the West Azerbaijan province.
The largest earthquake took place late on Saturday at a depth of 7km (4.3 miles) and was felt in Urmia and several other counties as well. More than 40 aftershocks have been registered since, the largest of which was a magnitude of 4.2.
Damage was reported to buildings and some of the infrastructure in the area as a result of the quakes, especially to residential buildings in dozens of villages surrounding Khoy, some of which also experienced power blackouts.