Modern Example at Mount St. Helens - Kids' Videos
Embed awesomesciencetv 709 views 2012-05-23T19:34:05 Clip from Awesome Science "Explore the Grand Canyon" episode where host Noah talks about how catastrophic erosion can happen quickly as seen in 1982 at Mount St. Helens. He then compares this to the massive erosion at the Grand Canyon.
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