14.05.12. 300 000 cubic meters of earth and rock from the unstable cliff overlooking the town of Ticino in Switzerland Preonzo gave way overnight. The highway below was closed and residents nearby evacuated.
The landslide occurred in several phases and lasted well into the night. The largest boulders tumbled down into the valley, the highway was closed A2 for several hours.
The industrial area at the foot of the mountain, discharged from this weekend, was apparently spared. No damage has been discovered so far, but further research is still required and access to the site is prohibited.
Some 500'000 cubic meters are always unstable and may collapse in turn.
The Director of the Cantonal Forestry expressed relief that the landslide occurred in several parts, major damage have been prevented.