Iranian state television said on Tuesday (April 16) at least 40 people were killed when a 7.8 magnitude earthquake struck the Islamic state near the border with Pakistan on Tuesday.
The news anchor on Press TV said at least 40 people had been killed.
Tremors from the quake were also felt in India and Gulf states.
The U.S. Geological Survey (USGS) said the quake hit at 10:44 GMT at a depth of 9.4 miles.
The epicenter was in southeast Iran in an area of mountains and desert, 125 miles southeast of Zahedan and 155 miles northwest of Turbat in Pakistan, USGS said.
An earthquake killed 37 people in Iran on April 9. Earlier in the day two smaller tremors were felt in India's Himalayan region close to the Chinese border.