Avalanche Crisis in Swiss Alps: Train Derails and Highest Alert Issued
Following days of heavy snowfall, a train has derailed in an avalanche in Valais, injuring five passengers. Authorities have issued the highest Level 5 avalanche warning for parts of the Alps, leading to widespread road and rail disruptions and highlighting new research on the unpredictable nature of snowpack fractures.

Key Takeaways
- A regional train derailed in the canton of Valais due to an avalanche.
- Five passengers were injured in the derailment.
- Authorities issued a Level 5 avalanche warning, the highest possible alert.
- New research indicates snowpack cracks can travel at speeds up to 130 meters per second.
- Road access to Saas Fee and Zermatt is currently blocked.
By The Numbers
They Said
"Cracks in the snowpack can race across the surface at more than 100 metres per second – far faster than theory suggests is possible."
"A train derailed early on Monday in the canton of Valais in southern Switzerland... passengers were likely to be injured as a result."