Schuttberg in the Lötsch Valley has successfully withstood influxes of water thus far.
A glacier collapse on the 28th of May in Lötschental, southern Switzerland, has left authorities on edge, as the resulting debris dam on the Lonza river holds back floodwaters. Following the collapse, a large amount of rock, ice, and debris accumulated, creating an artificial lake behind the dam in the disaster area.
The current state of the lake remains uncertain. While the authorities initially predicted that the lake would overflow in the early morning hours, it has instead shown signs of steady drainage. A river has formed in the debris, gradually increasing in size, as reported by ntv correspondent Yannik Seeber.
Raphaël Mayoraz, a geologist in the canton of Wallis, has described the situation as favorable. He noted that water is finding its way through the debris, reducing the risk of a sudden and disastrous outburst.
However, the danger persists. The debris mountain remains precarious, composed of rock fragments, loose rubble, and melted glacier ice. Experts have warned that further slides are possible from both sides of the valley, with the potential for a debris avalanche.
Downstream, residents have been urged to prepare for a quick evacuation should the situation worsen. The towns of Steg-Hohtenn and Gampel-Bratsch have called on residents to gather essentials and be ready to fled should a flood wave or rockslide occur.
Intervention to control the flow of water is not feasible due to the volatile state of the debris mountain. Christian Studer of the Canton of Wallis' Natural Hazards Office reported that heavy machinery cannot be deployed to the area due to the instability of the terrain.
The severity of the situation has captured the attention of national and international media, with many focusing on the potential for widespread flooding. This disaster has also raised concerns about global warming and its impact on Swiss glaciers, which are melting at an accelerated rate.
Sources: ntv.de, chr/mau/dpa
- Alps
- Switzerland
- Avalanche Disasters
- Environmental scientists and climate-change experts are examining the Lötschental incident as a case study for the potential effects of climate-change on Alpine glaciers, considering the increased frequency of such avalanche disasters.
- To mitigate the risk, authorities in Lötschental are working on emergency community policies, as well as updates to employment policies for emergency services in light of the ongoing climate-change related events.
- In response to the mountain instability and beauty of the Alps being threatened, environmental-science and weather-forecasting experts have collaborated to develop a long-term monitoring strategy and predictive models for weather patterns and potential avalanches in the affected area.
