Geological causes behind the Nepal Earthquake

The strong earthquake on April 25, 2015 (7.8 Mw) and the aftershock on May 12, 2015 (7.3 Mw) claimed 8,659 lives and injured 21,150 people along with billions of dollar damages to property and heritage. GIIS research fellow Suman Manandar and team conducted field surveys after the earthquake to understand the causes of damages to traditional towns, historical monuments, and modern buildings in the Kathmandu Basin and along the Araniko Highway. They found damages on buildings are confined to the traditional houses which are remnants of or renovated after the 8.1 magnitude 1934 AD earthquake. They suggested that geological, tectonic, seismic, geotechnical causes behind the severe damages in Kathmandu valley along with the improper building construction of practices.



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