A magnitude 6.1 earthquake struck northeastern Iran near the city of Mashhad, killing at least one person.
Iranian state radio said the epicenter of the quake appeared to be the Sefid Sang district some 80 kilometers southeast of Mashhad.
Press TV, the English-language arm of Iranian state television, said at least one person was killed. The semi-official Fars news agency said five people were injured and that mobile phone service and landline telephone lines had been affected.
State radio described the depth of the quake as only 10 kilometers.
The US Geological Survey also described the temblor as a 6.1, saying it had a depth of only 13 kilometers.