05/18/2012 01:09 pm ET

Swiss Alps Landslide: Mountainside Collapses In Preonzo, Switzerland (VIDEO)

A landslide in the Swiss Alps caused 300,000 cubic meters of rock to slide down a mountainside, reports CNN. The collapse happened in intervals over the course of several hours.

Astounding footage of the landslide, which was provided by Swiss Broadcasting, shows rocks cascading down the hillside into the valley below.

The incident took place Monday near Preonzo in southern Switzerland. So far, no casualties have been reported, according to EuroNews.

While geologists say the cliff remains stable since Monday's incident, the area has been classified as a danger zone, with 500,000 cubic meters of debris that could still come down, World Radio Switzerland reports.

WATCH the Incredible landslide footage from Switzerland above.