- 4 updates
The earthquake struck near the south-western town of Kaki, around 60 miles south of Bushehr where the country's only nuclear power station is situated.
Some 10,000 people live in the affected area spread across more than 50 villages, BBC News reports. Photographs appeared to show buildings completely flattened by the tremours.
The BBC also cites the local governor as saying that 700 houses have been damaged and 200 families affected.
Iran's Mehr news agency has provided these images purporting to show damage from the earthquake in the town Bushehr in the South-West of the country.
ITV News cannot independently verify the content of these images.
Iran has told the UN's International Atomic Energy Agency that an earthquake that hit the country today did not damage the Bushehr nuclear power plant, the IAEA said.
"Iran has informed [the IAEA's Incident and Emergency Centre] of the event, reporting that there has been no damage to the Bushehr Nuclear Power Plant and no radioactive release from the installation," the UN agency said in a statement.
Thirty people have been killed and 800 injured in a powerful earthquake that hit Iran close to its only nuclear power plant, the Iranian Students' News Agency has reported.
Fereydoun Hassanvand, the governor of Bushehr province, said: "Up until now the earthquake has left behind 30 dead and 800 injured."
A magnitude 6.3 quake struck 89 km (55 miles) southeast of the port city of Bushehr, the U.S. Geological Survey reported.