KABUL/ KATHMANDU: An earthquake measuring 7.7 magnitude struck in northeastern Afghanistan on Monday, the US Geological Survey said, sending tremors that were felt in India and Pakistan.

The quake was 196 km (120 miles) deep and centred 82 km southeast of Feyzabad in a remote area of Afghanistan in the Hindu Kush mountain range. There were no immediate reports of damage or injuries.

The tremors were felt in different parts of Nepal including Kathmandu.

People stand outside their offices after a severe earthquake is felt in Islamabad, Pakistan, Monday, Oct. 26, 2015. Photo: AP

Strong tremors were felt in Kabul, New Delhi and Islamabad on Monday. In the Pakistani capital, walls swayed back and forth and people poured out of office buildings in a panic, reciting verses from the Quran.

Vineet Gahlot, the director of seismology at the Indian Meteorological Department, said the earthquake had a magnitude of 7.7 and an epicenter deep in the Hindu Kush region of Afghanistan. Pakistan state TV reported the same magnitude.

The full extent of the damage and the number of possible casualties was not yet known.

However, India media reported that at least four people died in Pakistan.