Glacier Bay National Park Landslide Might Be Largest Ever Recorded In North America

  • metta

    Posts: 39104

    Jul 14, 2012 1:42 AM GMT
    Glacier Bay National Park Landslide Might Be Largest Ever Recorded In North America

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    "If someone had been standing in front of the slide, the air blast alone would have flattened that person, said Geertsema, who studies natural hazards resulting from geophysical processes on the earth's surface."

    "Despite the extraordinary size of the landslide, which was estimated at a half-mile wide and 5 ½ miles long, it went virtually unnoticed until air taxi pilot Drake Olson flew over it on July 2."


    "Scientists also are looking at the role of climate change.

    "We are seeing an increase in rock slides in mountain areas throughout the world because of permafrost degradation," Geertsema said."


    http://www.huffingtonpost.com/2012/07/13/glacier-bay-national-park-landslide_n_1669832.html#slide=more238530
  • roadbikeRob

    Posts: 14342

    Jul 14, 2012 3:46 PM GMT
    Are they sure that it is just permafrost soils thawing out that caused this massive landslide. Alaska is also seismically unstable so it is prone to earthquake activity that could have also helped trigger this landslide.
  • metta

    Posts: 39104

    Jul 14, 2012 4:19 PM GMT
    roadbikeRob saidAre they sure that it is just permafrost soils thawing out that caused this massive landslide. Alaska is also seismically unstable so it is prone to earthquake activity that could have also helped trigger this landslide.


    I don't think they know what caused the landslide at this point. I think it would be dangerous for anyone to go out there to see if they could find out right now.

    "The rumbling was enough so that it showed up as a 3.4-magnitude earthquake in Alaska. The seismic event also was recorded in Canada."