The Latest: 7.7-magnitude earthquake in Afghanistan felt across South Asia

In this photo taken late Saturday, Oct. 24, 2015, police motorcyclists observe a solidarity drive by more than 300 bikers in Bucharest, Romania. Romania’s president Klaus Iohannis has called on the prime minister and interior minister on Sunday, Oct. 25, 2015 to address public anger over the death of a police motorcyclist who died during a traffic mission after hitting a large hole in the road while escorting Interior Minister Oprea. (AP Photo/Vadim Ghirda) (The Associated Press)

People stand after they rushed out of buildings as a strong tremor was felt in New Delhi, India, Monday, Oct. 26, 2015. A strong earthquake in northern Afghanistan was felt across much of South Asia on Monday, shaking buildings from Kabul to Delhi and cutting power and communications in some areas. (AP Photo/Saurabh Das) (The Associated Press)

An Afghan boy looks at a damaged house following an earthquake, in Kabul, Afghanistan, Monday, Oct. 26, 2015. In Afghanistan's Takhar province, west of Badakhshan, at least 12 students at a girls' school were killed in a stampede as they tried to get out of the shaking buildings, a local official says. Sonatullah Taimor, the spokesman for the Takhar provincial governor, says another 30 girls have been taken to the hospital in the provincial capital of Taluqan. (AP Photo/Rahmat Gul) (The Associated Press)

The latest on a powerful earthquake in Afghanistan felt across South Asia (all times local).

2:00 p.m.

A powerful 7.7-magnitude earthquake in northern Afghanistan rocked cities across South Asia.

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.