Dr. James Farrell

Cliff Geyser along Iron Creek in the Black Sand Basin is seen Oct. 8, 2012 in Yellowstone National Park in Wyoming. (credit: KAREN BLEIER/AFP/Getty Images)

Scientist: Eruption Of Yellowstone Super Volcano Would Be 2,000 Times The Size Of Mount St. Helens

A super volcano underneath Yellowstone National Park has the potential to cause worldwide climate damage if and when it erupts.

12/12/2013

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