Ahram-Farashband road blocked by a landslide triggered by an earthquake in Iran's southern Bushehr province on Friday. AFP
An earthquake struck Iran on Friday less than 50 kilometres from the country's only nuclear power plant, monitors said.
There were no immediate reports of any casualties or damage.
The US Geological Survey said the 5.1 magnitude quake struck 44 kilometres from the southwestern city of Borazjan and at a depth of 38 kilometres.
Its reported epicentre is 45 kilometres east of the Bushehr nuclear power plant, on the southwest Gulf coast.
The Iranian Seismological Center said in a preliminary report on its website that the strength of the quake was 4.9 magnitude and that its depth was 10 kilometres.
The quake jolted villages near Kalameh city, the semi-official ISNA news agency said, adding there were no reports of any casualties or damage.
"Based on the assessments of teams in the field, fortunately this earthquake has caused no damage," the head of the province's crisis centre, Jahangir Dehghani, said on state television.
"The Ahram-Kalameh road was blocked by a landslide and it is currently being cleared," he added.
Buildings in nearby towns and villages had some "cracked walls but nothing has collapsed."
Photographs published by Iranian news agencies showed bulldozers clearing a road and damage done to the walls of a historical castle in Bushehr.
The Bushehr plant, which produces 1,000 megawatts of power, was completed by Russia after years of delay and officially handed over in September 2013.
In 2016, Russian and Iranian firms began building two additional 1,000-megawatt reactors at Bushehr. Their construction was expected to take 10 years.
There were no immediate reports of damage to the facility.
Iran sits on top of major tectonic plates and sees frequent seismic activity.
In November 2017, a 7.3-magnitude quake in the western province of Kermanshah killed 620 people.
In 2003, a 6.6-magnitude quake in southeastern Iran decimated the ancient mud-brick city of Bam and killed at least 31,000 people.
Iran's deadliest quake was a 7.4-magnitude tremor in 1990 that killed 40,000 people in northern Iran, injured 300,000 and left half a million homeless.
Iran has begun installing more advanced centrifuges and is moving towards producing enriched uranium with them even though that is forbidden under its nuclear deal with major powers, the UN nuclear watchdog said on Monday.
The Atomic Energy Organization of Iran, the civilian arm of its nuclear programme, did not immediately issue a formal statement about the incident on its website.
The quake, which had a depth of 10 kilometres, struck 17 kilometres south-southeast of Borazjan city at 6:49 am (0319 GMT), the US Geological Survey said on its website. State news agency IRNA said the earthquake was felt in Bushehr, site of the country's sole nuclear power plant.
Working together, ENEC and KEPCO’s achievement of 75 million safe work hours without a Lost Time Injury, LTI, represents a significant industrial safety accomplishment and is the result of their exceptional safety culture, dedication to the continuous improvement of everyday work practices and empowerment of employees to ensure their own safety through a range of safety-related practices and tools.
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This was on Friday evening, when the operations room was alerted about a brawl among members of one family in a house located in an area of the emirate. A police force immediately dispatched to the location of the house to deal with the incident.