According to seismological base of the provincial capital of Tabriz, the quake hit at 00:03 am Monday (1933 GMT Sunday).
The tremor was also felt in Tabriz, sending some residents out of their homes in panic.
The city straddles a 140-km active faultline, starting at Mishu mountain to its south, and extending up to Bostanabad.
Tabriz and the nearby cities have witnessed some of the deadliest earthquakes of the world since the time immemorable.
According to Iran's Northwest Seismological Network, the region witnessed at least 30 major earthquakes before 1900, killing up to 300,000 people.
A quake of 7.6 magnitude killed up to 40,000 people in Tabriz in 1042, totally destroying the city, it added.
... Payvand News - 1/17/05 ... --