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Yellowstone Supervolcano is a Much Bigger Time Bomb Than We Thought

A huge pool of magma is under the surface, representing an existential threat to America, as well as the rest of the world. One scientist estimates an eruption would be 2,000 times the size of Mount St. Helens. 
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The supervolcano that lies beneath Yellowstone National Park is 2.5 times larger than previously thought, it was revealed at an American Geophysical Union meeting


Scientists knew the supervolcano was big, and set out to find out just how big, in order to assess the threat level. What they discovered, they said, was “astounding.”

The huge pool of magma under the surface constitutes an existential threat to America, as well as the rest of the world. One scientist estimates an eruption would be 2,000 times the size of Mount St. Helens. 

Read more here

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