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Geotechnical Egineering News tagged with [rock avalanche]

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Enormous Landslide Detected in Alaska
Gizmodo   04 July 2016   USA   Alaska  
The Lamplugh Glacier rock avalanche (Image: Paul Swanstrom/Mountain Flying Service)
<p>An extraordinarily large landslide has been discovered near Glacier Bay in southeast Alaska. Aerial photos show a snow-capped mountain with a huge chunk taken out of it&mdash;and a debris field that extends for nearly seven miles.</p>
Filed under: Natural Hazards
How a huge landslide shaped Zion National Park
Phys Org   26 May 2016   USA   Utah  
This view of Zion Canyon in Utah's Zion National Park shows the flat valley floor created when part of the peak named the Sentinel collapsed in a gigantic landslide.
<p>A Utah mountainside collapsed 4,800 years ago in a gargantuan landslide known as a "rock avalanche," creating the flat floor of what is now Zion National Park by damming the Virgin River to create a lake that existed for 700 years.</p> <p> </p>