A massive rock and ice avalanche caused the 2021 disaster at Chamoli, Indian Himalaya

H. Shugar, Dan; Jacquemart, Mylène; Shean, David; Bhushan, Shashank; Upadhyay, Kavita; Sattar, Ashim; Schwanghart, Wolfgang; K. McBride, Sara; Van Wyk de Vries, Maximillian; Mergili, Martin; Emmer, Adam; Deschamps‐Berger, César; McDonnell, Morgan; Bhambri, Rakesh; Allen, Simon; Berthier, Étienne; L. Carrivick, Jonathan; J. Clague, John; Докукин, М.Д.; Dunning, Stuart; Frey, Holger; Gascoin, Simon; K. Haritashya, Umesh; Huggel, Christian; Kääb, Andreas; S. Kargel, Jeffrey; L. Kavanaugh, Jeffrey; Lacroix, Pascal; N. Petley, David; Rupper, Summer; Farooq Azam, Mohd; J. Cook, Simon; P. Dimri, A.; Eriksson, Martin; Farinotti, Daniel; Fiddes, Joel; Raj Gnyawali, Kaushal; Harrison, Stephan; Jha, M.; Koppes, Michèle; Kumar, Amit; Leinss, Silvan; Majeed, Ulfat; Mal, Suraj; Muhuri, Arnab; Noetzli, Jeannette; Paul, F.; Rashid, Irfan; Sain, Kalachand; Steiner, Jakob; Ugalde, Felipe; Scott Watson, C.; Westoby, Matthew

doi:10.1126/science.abh4455

Public

A massive rock and ice avalanche caused the 2021 disaster at Chamoli, Indian Himalaya

Published in Science • Jun 10, 2021

Authors:

Dan H. Shugar

Mylène Jacquemart

David Shean

Abstract

cubic meters of rock and glacier ice collapsed from the steep north face of Ronti Peak. The rock and ice avalanche rapidly transformed into an extraordinarily large and mobile debris flow that transported boulders greater than 20 meters in diameter and scoured the valley walls up to 220 meters above...

Subject

Geology

Physical geography

Geography

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