At least seven people have died and a number injured as the quake hit Iraq's Kurdish region near the Iranian border, as well as impacting Baghdad and villages across the border in Iran.
At least six people are dead following Sunday's 7.3 natural disaster near the Iraqi city of Halabja, close to the Iraq-Iran border.
Iran's state TV reported that at least eight villages were damaged in the natural disaster.
The quake's epicenter was located 32 kilometers north of the Iranian city of Sarpol-e Zahab and 100 kilometers southeast of Iraq's Sulaumaniyah at a depth of ten kilometers.
There were similar scenes in Erbil, the capital of Kurdistan, and across other cities in northern Iraq.
State television had previously reported six dead in Qasr-e Shirin, close to the Iraqi border, around 40 kilometres southwest of Azgaleh.
No casualties have yet to be reported.
'The quake was felt in several Iranian provinces bordering Iraq.
Many residents in the Iraqi capital of Baghdad rushed out of houses and tall buildings in panic.
"I felt like I was on a boat, I thought it was vertigo". The University of Tehran has reported at least four aftershocks, the biggest of which was magnitude-4.6.
The deadliest quake in Iran's modern history happened in June 1990.