The quake shook the town of Tasooj at 3:09 pm (10:39 GMT) on Thursday. The town is about 600 kilometers northwest of the capital, Tehran.
It’s the third quake in Iran in the past 10 days. A quake measuring 7.5 on the Richter scale struck a sparsely populated area near the Pakistani border on Tuesday. A week before that, a 6.1 magnitude quake rattled another part of the south, killing 37 people and injuring 850 mores.
The executive deputy of Iran's Red Crescent Society, Heydar Heydari said according to initial reports two people were insured in the quake, IRNA reported. Heydari added that the quake did not cause heavy damage.
Five aftershocks were reported in the region after the quake.
Iran sits on major geological faultlines and has suffered several devastating earthquakes, including a 6.6 magnitude quake in 2003 that flattened the city of Bam, in Iran's far southeast, killing more than 25,000 people.