Death toll keeps climbing and historic buildings are in ruins.
The U.S. pledged an initial $1 million in assistance and several countries offered rescue teams and aid after the 7-8-magnitude quake.
The earthquake struck near Kathmandu, Nepal's capital.
KATHMANDU (Reuters) - Nepal urged countries to send aid to help it cope with the aftermath of a devastating earthquake that killed nearly 1,400 people, a toll predicted to rise as rescuers used their hands to dig for survivors among the rubble on Sunday.
The Olympic champion will share his biggest fears with ABC News' Diane Sawyer.