A magnitude 7.4 quake hit an area at the Iranian-Iraqi border on Sunday, the European-Mediterranean Seismological Center (EMSC) reported.
An quake with a preliminary magnitude of 7.4 jolted northern Iraq Sunday.
At least eight villages were damaged in Iran after the natural disaster Iran's state TV reported.
Scores of people were injured in the border city of Qasr-e Shirin in Iran, state TV reported.
The semi-official Iranian ILNA news agency reported that at least 14 provinces had been impacted by the quake.More news: Trump on North Korea crisis: I'd never call Kim 'short and fat'
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Four people were killed in eastern Iraq and dozens were wounded in the town of Darbandikhan, Omar Ahmad, the governor of Sulaimaniya told CNN. The extent of damage and casualties remain to be seen.
Residents of the northern Iraqi city of Erbil in the street after the quake hit.
Iran's semi-official Iranian ILNA news agency says at least 14 Iranian provinces were affected.
The quake was even felt in the Iranian capital Tehran.
Water and electricity lines were severed in some villages and cities in the Western Kermanshah province and people went out on the streets because of the threat from aftershocks.