Relief material is loaded into an Indian Air Force aircraft headed to Nepal, in New Delhi, India, Saturday, April 25, 2015. A powerful earthquake struck Nepal Saturday and collapsed houses, leveled centuries-old temples and triggered avalanches on Mt. Everest. It was the worst tremor to hit the poor South Asian nation in over 80 years. (AP)
Laxmi Shristha, Marium Chhetri, left to right, Gayatri Sharma, Talence Dhakal and his mother, Karuna Dhakal, take part in a prayer service for victims of the Nepal earthquake Saturday, April 25, 2015 at International Nepali Church in Irving, Texas. (G.J. McCarthy/The Dallas Morning News via AP)
In this April 25, 2015 photo, people try to lift the debris from a temple at Hanumandhoka Durbar Square after an earthquake in Kathmandu, capital of Nepal, Saturday, April 25, 2015. A strong earthquake shook Nepal's capital and the densely populated Kathmandu Valley before noon Saturday, causing extensive damage with toppled walls and collapsed buildings, officials said. (Sunil Sharma/Xinhua via AP)
In this photo provided by China's Xinhua News Agency, people gather beside damaged buildings after an earthquake in Kathmandu, capital of Nepal, Saturday, April 25, 2015. A strong earthquake shook Nepal's capital and the densely populated Kathmandu Valley before noon Saturday, causing extensive damage with toppled walls and collapsed buildings, officials said. (Pratap Thapa/Xinhua via AP)
The historic Dharahara tower, a city landmark, stands destroyed after an earthquake in Kathmandu, Nepal, Saturday, April 25, 2015. A strong magnitude-7.9 earthquake shook Nepal's capital and the densely populated Kathmandu Valley before noon Saturday, causing extensive damage with toppled walls and collapsed buildings, officials said. (AP)
In this photo provided by Azim Afif people approach the scene after an avalanche triggered by a massive earthquake swept across Everest Base Camp, Nepal on Saturday, April 25, 2015. Afif and his team of four others from the Universiti Teknologi Malaysia (UTM) all survived the avalanche. (Azim Afif via AP)
A school student receives treatment at a hospital after he was injured in an earthquake in Motihari, in the eastern Indian state of Bihar, Saturday, April 25, 2015. Officials say dozens have been killed and more injured in India in a powerful earthquake that struck neighboring Nepal. (Press Trust of India via AP)
People rest on debris at Durbar Square after an earthquake in Kathmandu, Nepal, Saturday, April 25, 2015. A strong magnitude-7.9 earthquake shook Nepal's capital and the densely populated Kathmandu Valley before noon Saturday, causing extensive damage with toppled walls and collapsed buildings, officials said. (AP)
Saturday, April 25
An man walks past damage caused by an earthquake in Kathmandu, Nepal, Saturday, April 25, 2015. A strong magnitude-7.9 earthquake shook Nepal's capital and the densely populated Kathmandu Valley before noon Saturday, causing extensive damage with toppled walls and collapsed buildings, officials said. (AP)
In this photo released by China's Xinhua News Agency, a collapsed building is seen in Nepal's capital Kathmandu Saturday, April 25, 2015. A strong earthquake shook Nepal's capital and the densely populated Kathmandu Valley before noon Saturday, causing extensive damage with toppled walls and collapsed buildings, officials said. (Xinhua via AP)
People stand on the runway outside the International Terminal after a earthquake hit, at Tribhuvan International Airport, Kathmandu, Nepal, April 25, 2015, in this handout courtesy of Dhany Osman. The massive earthquake measuring 7.9 magnitude struck 80 km (50 miles) east of Pokhara in Nepal on Saturday, causing some buildings in the capital Kathmandu to collapse, witnesses said. (REUTERS)
People stand on the runway outside the International Terminal after a earthquake hit, at Tribhuvan International Airport, Kathmandu, Nepal, April 25, 2015, in this handout courtesy of Dhany Osman. The massive earthquake measuring 7.9 magnitude struck 80 km (50 miles) east of Pokhara in Nepal on Saturday, causing some buildings in the capital Kathmandu to collapse, witnesses said. (REUTERS)
People take refuge at a school after a 7.7 magnitude earthquake struck in Kathmandu, Nepal, April 25, 2015. The earthquake struck 80 km (50 miles) east of Pokhara in Nepal on Saturday, about half-way between the town and the capital Kathmandu, the U.S. Geological Survey said, and witnesses said some buildings in Kathmandu had collapsed. (REUTERS)
People take refuge at a school after a 7.7 magnitude earthquake struck in Kathmandu, Nepal, April 25, 2015. The earthquake struck 80 km (50 miles) east of Pokhara in Nepal on Saturday, about half-way between the town and the capital Kathmandu, the U.S. Geological Survey said, and witnesses said some buildings in Kathmandu had collapsed. (REUTERS)