On 14 May 2025, a large rockfall from Kleines Nesthorn, near the 3934m summit of the Bietschhorn in the Canton of Valais, Switzerland, fell onto the Birch Glacier. It triggered a flow of debris into ...
The study compares two recent events: the 2021 Chamoli disaster in the Indian Himalayas, which killed more than 200 people, and the 2025 ice and rock avalanche in Blatten, Switzerland, which buried ...