Causes, consequences and implications of the 2023 landslide-induced Lake Rasac glacial lake outburst flood (GLOF), Cordillera Huayhuash, Peru

• Published in: Natural Hazards and Earth System Sciences
• Main Authors: A. Emmer, O. Vilca, C. Salazar Checa, S. Li, S. Cook, E. Pummer, J. Hrebrina, W. Haeberli
• Format: Article in Journal/Newspaper
• Language: English
• Published: Copernicus Publications 2025
• Subjects: Environmental technology. Sanitary engineering; TD1-1066; Geography. Anthropology. Recreation; G; Environmental sciences; GE1-350; Geology; QE1-996.5; Dammed Lake; Glacial Lake; Ice; permafrost
• Online Access: https://doi.org/10.5194/nhess-25-1207-2025; https://doaj.org/article/20f7802be018464dbda37e6dbc01a829

Glacierised Peruvian mountain ranges are experiencing accelerated, climate-change-driven glacier ice loss. Peru's second highest mountain range, the Cordillera Huayhuash, has lost about 40 % ( ∼ 34 km 2 ) of its glacier cover since the 1970s. Newly exposed landscapes are prone to a number of ha...