The April 2015 Nepal earthquake (also known as the Gorkha earthquake)[5][8] killed nearly 9,000 people and injured nearly 22,000. It occurred at 11:56 Nepal Standard Time on 25 April, with a magnitude of seven.8Mw[1] or 8.1Ms[9] and a maximum Mercalli Power of IX (Violent). Its epicenter was east of Gorkha District at Barpak, Gorkha, and its hypocenter was at a depth of around 8.2 km (5.1 mi).[1] It was the worst natural disaster to strike Nepal since the 1934 Nepal-Bihar earthquake.[10][11][12] The ground motion recorded in Kathmandu valley was of long time that cause the limited human and property loss in kathmandu valley.
The earthquake triggered an avalanche on Mount Everest, killing 21,[14] making April 25, 2015 the deadliest day on the mountain in history.[15] The earthquake triggered another huge avalanche in the Langtang valley, where 250 people were reported missing.
Hundreds of thousands of people were made homeless with entire villages flattened,[16][18][19] across many districts of the united states. Centuries-old buildings were destroyed at UNESCO World Heritage sites in the Kathmandu Valley, including some at the Kathmandu Durbar Square, the Patan Durbar Square, the Bhaktapur Durbar Square, the Changu Narayan Temple, the Boudhanath stupa and the Swayambhunath Stupa. Geophysicists and other experts had warned for decades that Nepal was at risk of a deadly earthquake, particularly because of its geology, urbanization, and architecture.
Continued aftershocks occurred throughout Nepal at the intervals of 15-20 minutes, with one shock reaching a magnitude of 6.7 on 26 April at 12:54:08 NST.[4] The country also had a continued risk of landslides.
A major aftershock occurred on 12 May 2015 at 12:50 NST having a moment magnitude (Mw) of 7.3.[23] The epicenter was in the Chinese border between the capital of Kathmandu and Mt. Everest.[24] More than 200 people were killed and more than 2,500 were injured by this aftershock.
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