Nepal Gorkha Earthquake 2015

Start Date

April 25, 2015

Overview

Before-and-after photographs of Nepal’s Langtang Valley, showing the near-complete destruction of Langtang village due to a massive landslide caused by the 2015 Gorkha earthquake. Photos from 2012 (pre-quake) and 2015 (post-quake).

Before-and-after photographs of Nepal’s Langtang Valley, showing the near-complete destruction of Langtang village due to a massive landslide caused by the 2015 Gorkha earthquake. Photos from 2012 (pre-quake) and 2015 (post-quake).

Credits: David Breahshears/GlacierWorks

On April 25, 2015, a magnitude 7.8 earthquake in Nepal, referred to as the Gorkha earthquake, struck killing more than 8,000 people and injuring more than 21,000. NASA worked with a number of partners in support of the earthquake response, including the U.S. Geological Survey, United States Agency for International Development (USAID)/Office of U.S. Foreign Disaster Assistance, World Bank, American Red Cross, and the United Nations Children's Fund.

NASA contributions included “vulnerability maps,” used to determine risks that may be present; and “damage proxy maps,” used to determine the type and extent of existing damage. Such products can be used to better direct response efforts.

Disaster Types

Latest Updates

May 11, 2015
The perspective image (Figure 1) shows the DPM overlaid on the terrain with the locations of landslides identified by the National Geospatial-Intelligence Agency (NGA) preliminary damage assessment, using before and after optical imagery (May 4 damage ass
Figure 1 Figure 2 NASA data and expertise are providing valuable information for the ongoing response to the April 25, 2015, magnitude 7.8 Gorkha earthquake in Nepal. The quake has caused a significant humanitarian crisis and has killed more than 8,000 due to widespread building damage and triggered landslides...
May 8, 2015
Hazardous Landslide-dammed Lake, Pisang, Annapurna Region, Nepal
The April 25, 2015 magnitude 7.8 Gorkha earthquake in Nepal produced a landslide dam on the Marshyangdi River, 1.1 miles (1,800 meters) upstream from the village of Lower Pisang. The dam has impounded the river, produced a landslide-dammed lake extending approximately 1,722 feet (525 meters) up the river, and satellite imagery shows that the lake area is expanding with time. Landslide dams can be inherently unstable and may fail suddenly,...
May 4, 2015
NASA/Caltech Team Images Nepal Quake Fault Rupture, Surface Movements
ARIA kinematic rupture model, April 25th, 2015. Using a combination of GPS-measured ground motion data, satellite radar data, and seismic observations from instruments distributed around the world, scientists have constructed preliminary estimates of how much the fault responsible for the April 25, 2015, magnitude 7.8 Gorkha earthquake in Nepal moved below Earth's surface (Figure 1). This information is useful for understanding not only what happened in the...
May 4, 2015
NASA's ARIA Project Provides New Look at Earth Surface Deformation from Nepal Quake
NASA and its partners are contributing important observations and expertise to the ongoing response to the April 25, 2015, magnitude 7.8 Gorkha earthquake in Nepal. The quake was the strongest to occur in that area since the 1934 Nepal-Bihar magnitude 8.0 event and caused significant regional damage and a humanitarian crisis. Scientists with the Advanced Rapid Imaging and Analysis project (ARIA), a collaboration between NASA's Jet Propulsion Laboratory,...
May 1, 2015
NASA Aids Response to Nepal Quake
NASA and its partners are gathering the best available science and information on the April 25, 2015, magnitude 7.8 earthquake in Nepal, referred to as the Gorkha earthquake, to assist in relief and humanitarian operations. Organizations using these NASA data products and analyses include the U.S. Geological Survey, United States Agency for International Development (USAID)/Office of U.S. Foreign Disaster Assistance, World Bank, American Red Cross, and the United Nations Children's Fund. NASA and its collaborators are pulling optical and radar satellite data from international and domestic...

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