A strong earthquake of 6.2 magnitude hit southern Iran early on Saturday, killing one child and injuring at least 20 others in remote, mountainous villages, state television reported.
The US Geological Survey registered the quake at 0208 GMT, measured at 85 kilometres (52 miles) southeast
of the town of Minab, located in the southern Hormuzgan province and off the Strait of Hormuz.
The quake was registered at a depth of 36.44 kilometres (22.64 miles), the USGS said.
A local emergency official said a two-year-old died of serious injuries. "The child passed away on route to hospital," Mohammad Shekari was quoted by the ISNA news agency.
Iran's top quake rescue operations official, Mahmoud Mozafar, said at least 20 people had been injured.
Iran sits astride several major fault lines and is prone to frequent earthquakes, some of which have been devastating.
Head of Iran's National Institute for Oceanography Vahid Chegini said Saturday's quake was unlikely to spark a tsunami in the Gulf or the Sea of Oman.
"The chances of a tsunami because of today's quake are remote as the quake was inland," Chegini told the Mehr news agency.
Mozafar, who heads Iran's Red Crescent rescue corps, said rescue teams were dispatched to Hormuzgan's remote area hit by the quake.
Provincial emergency chief Hossein Ranjbar told state television that some 70 villages had suffered severe damage in the quake, which according to Iran's Seismological Centre was followed by a series of aftershocks, measuring between 4.1 and 5.2.
Media reports said electricity and telephone connection had been cut, while rescue teams were attempting to open blocked roads to the quake-hit areas.
Last month, the biggest earthquake to hit the country in 50 years, measuring 7.8 killed a woman and injured more than a dozen other people in the southeast.
At least 40 people were killed across the border in Pakistan where hundreds of mud homes were levelled. Putting aside America's longstanding enmity with Iran and its more recent strains in relations with Pakistan, US Secretary of State John Kerry had offered condolences and assistance with relief work for last month's quake. Also in April, another quake struck near Iran's Gulf port city of Bushehr, killing at least 30 people.
The UN's atomic agency said there was no damage to Iran's only and Russian-built nuclear power plant at Bushehr. Iran said the plant continued its operations as normal.
In August 2012, a double earthquake, one measuring 6.2 and the other 6.0, struck northwestern Iran, killing more than 300 people and injuring 3,000.
In December 2003, a massive quake struck the southern Iranian city of Bam. It killed 26,271 people -- about a quarter of the population -- and destroyed the city's ancient mud-built citadel.
Iran then accepted disaster relief from the United States, contributing to a brief thaw in relations between the two, which have had no diplomatic relations for more than three decades.
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