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Department of Geography

Risks in the tropical Andes

The tropical Andes are one of the regions most affected by climate change. Holger Frey worked as a researcher for the Proyecto Glaciares in the Santa Teresa region of Peru and reports in an interview on the scientific background of the natural hazards that the population faces every day.


"Humans and climate change stories": Pérou, Andes tropicales en danger (ab Min. 20)
Prise de terre, Radio RTS 1, 22.02.2020

The topic is highly relevant: at the end of February, a large flood wave occurred in this area due to an outburst of a glacial lake.

A catastrophic glacier collapse and mudflow in Salkantay, Peru
The Salkantay landslide and mudflow
Blog of the American Geophysical Union, 27./28.02.2020

Picture: The site of the rock / ice avalanche at Salkantay next to Machu Picchu, Peru (Benito Moncado, Diario Correo Peru)

Weiterführende Informationen


Dr. Holger Frey

Glaciology and Geomorphodynamics, Geography Teacher Training, Department of Geography

University of Zurich



Proyecto Glaciares

The "Proyecto Glaciares" is a Swiss-Peruvian cooperation initiative within the framework of the Global Climate Change Programme of the Swiss Agency for Development and Cooperation, implemented by the Department of Geography, UZH and CARE Peru.