Research
An old talus slope delayed the 2023 Brienz/Brinzauls rockslide by several weeks
Phys.org ·
The Brief
- On May 12, 2023, authorities ordered the evacuation of the village of Brienz/Brinzauls in the canton of Grisons because a rapid slide of the slope above it appeared imminent.
- The rockslide did not occur until the night of June 15–16, 2023, several weeks after the evacuation order.
- The analysis attributes the delay to an old talus slope.
Why it matters
The finding suggests that pre-existing slope features such as old talus deposits can change when a large rockslide actually happens, which matters for hazard forecasting and evacuation timing.
Who’s affected
- geologists and natural hazard researchers
- residents and authorities in alpine areas prone to landslides
- #landslide
- #rockslide
- #geology
- #natural hazards
- #talus
- #switzerland
On May 12, 2023, the authorities ordered the evacuation of the village of Brienz/Brinzauls in the canton of Grisons, as a rapid slide of the slope above the village appeared imminent. However, it took its time. It was not until the night of June 15–16 that around 1.2 million…