Movie:Landslide Swiss Alps
Information Page: Landslide Swiss Alps
Landslide in Swiss Alps
|Keywords:||landslide, instability, rockfall, tension cracks|
|Model name:||Animation model name|
|Name:||Swiss Broadcasting, TV news|
|When:||May 16th, 2012|
Grade level: Middle (6-8), High (9-12), Under graduate (13-16), Graduate / Professional
Statement: Large rock failure causes a landslide in the Swiss Alps, May 2012
Abstract: This landslide occurred directly above Preonzo in the Swiss Alps. Scientists had classified this slope as unstable, already for some time. One indicator of the instability were large tension cracks on the top of the slope. Active monitoring of the slide was ongoing, and the radar techniques had indicated the movement had accelerated shortly befor ethe event happened. Thus, fortunately, the landslide runoff zone had been cordoned off and there were no casualties.
The video actually shows the secondary movement of debris along the slope, not the failure of the rock-headwall that initiated the slide. Note that the slope is densely vegetated, the trees did not prevent this failure from happening. The last imagery shows a helicopter view of the massive haedwall scar.
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