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Why the Yellowstone Supervolcano Could Be Huge
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5,631,707Views
2015Jun 4
One of the world's largest supervolcanoes erupted 2.1 million years ago in Yellowstone, and then twice more there at intervals of roughly 660,000 years. Are we due for another one soon? Watch the Full Episode with your FREE trial for Smithsonian Channel Plus by signing up today at https://watch.smithsonianchannel.com/ From: YELLOWSTONE SUPERVOLCANO http://bit.ly/1GmIMF3

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Smithsonian Channel

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