Some of this footage is truly shocking, basically if you were on low ground you didn't stand a chance when the wall of ice; mud; rock and water came round the corner at great speed
Originally thought to be caused by an earthquake but now thought to have been a glacial and rock collapse, part of the issue is the glaciers melting more these days and they've been supporting the rock for centuries, once that support goes the rock gives way and if the glacier also goes then it releases all that melt water but in one go
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