Time Sequence of the Sentinel Rock-Avalanche Landslide (IMAGE)

University of Utah

Time Sequence of the Sentinel Rock-Avalanche Landslide

Caption

A computer-simulated time sequence of the gargantuan Sentinel landslide in Zion Canyon 4,8000 years ago is shown here. The first six frames show the progress of the rock-avalanche landslide, which lasted about a minute. Darker brown indicates thicker slide deposits, while yellow indicates thinner deposits. The last two frames compare the slide after it was at a complete standstill after 200 seconds with a reconstruction of the actual landslide deposit based on geological mapping. That shows the simulation is close to reality.

Credit

Jeff Moore, University of Utah

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