A major earthquake struck a remote area of northern Afghanistan on Monday, killing nearly 300 people there and in neighboring Pakistan, and injuring more than 1,700.
Centered 82 kilometers southeast of Feyzabad in a remote area of the Hindu Kush mountain range and at a depth of 212 kilometers (131 miles), the quake registered at a magnitude of 7.5, according to the U.S. Geological Survey.
The hardest-hit area reported so far is Pakistan's northwestern Khyber Pakhtunkhwa province, where officials have confirmed at least 140 people killed and more than 1,000 injured.
WATCH: Video of earthquake aftermath in Afghanistan
Pakistan military chief General Raheel Sharif mobilized troops and helicopters to immediately distribute rescue equipment to the region.
Fifty-nine people are reported dead in Afghanistan, but the number could rise dramatically, according to the country's CEO, Abdullah Abdullah.
Earthquake Death Toll
VOA reporters in South Asia are in contact with officials in Afghanistan and Pakistan to determine the number of casualties in Monday's 7.5-magnitude earthquake. The following is a list of confirmed deaths and injuries. The list will be updated as more information is obtained.
Total: 296 dead, 1,730+ injured
Afghanistan: 59 dead, 265 injured
Badakhshan province: 9 dead, 21 injured
Bahlan province: 8 injured
Kabul: 21 injured
Kunhar province: 22 dead, 64 injured
Laghman province: 4 dead
Nangarhar province: 8 dead, 82 injured
Nuristan province: 4 dead
Parwan province: 30 injured
Takhar province: 12 dead, 39 injured
Pakistan: 178 dead, 1,200+ injured
Khyber Pakhtunkhwa province: 140 dead, 1,000+ injured
Unspecified location: 38 dead, 200 injured
For updates on this breaking story, follow VOA reporters Ayesha Tanzeem on Twitter (https://twitter.com/atanzeem ) in Kabul and Ayaz Gul (https://twitter.com/ayazgul64) in Islamabad.)
The death toll in Afghanistan includes 12 schoolchildren who were killed in a stampede as they rushed out of shaking buildings in Takhar province. An eyewitness in Jalalabad tells VOA the quake sent people scrambling for cover.
"We have not seen an earthquake this powerful. I was sleeping when I felt earth shaking. I ran out for safety," he said.
The massive earthquake also triggered landslides in mountainous northern and northwestern Pakistan. The army said rubble has blocked the road in five places along the Karakoram Highway (KKH), the only road link between Pakistan and China.
An aerial assessment of damage in the quake zone may not be available until Tuesday morning, military officials noted.
The USGS registered two smaller tremors with magnitudes of 4.7 and 4.8 in the same region within 90 minutes of the major quake.
Reports said buildings also swayed in the Indian capital New Delhi, forcing office workers out into the streets.
The earthquake comes six months after a devastating quake in Nepal killed thousands of people and destroyed hundreds of thousands of homes.
Earthquake-stricken Kashmiris gather outside their offices in Muzaffarabad after a 7.5-magnitude temblor rattled Pakistan and Kashmir, Oct. 26, 2015.
The mountainous region is seismically active, with earthquakes the result of the Indian subcontinent driving into and under the Eurasian landmass.
On Oct. 8, 2005, a 7.6-magnitude earthquake struck northern Pakistan, killing about 75,000 people.
*For updates on this breaking story, follow VOA reporters Ayesha Tanzeem on Twitter in Kabul and Ayaz Gul in Islamabad
Victoria Macchi contributed to this report from Washington. VOA's Urdu news service contributed to this report.