Tehran, April 16 : At least 40 people were killed Tuesday when a powerful quake shook Iran, a media report said.

An earthquake measuring 7.5 on the Richter scale struck Iran's southeastern Sistan and Baluchestan Province, reported Press TV citing the Iranian Seismological Center.

The epicenter of the quake was 81 km north of Saravan city.

However, the United States Geographical Survey reported that the quake measured 7.8 on the Richter scale.

The quake was felt in Pakistan as well as in India.(IANS)