Americas Active Volcanoes

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A Volcano 10 Times More Forceful than Mount St. Helen's

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from Smithsonian Channel

There are 50 active volcanoes in Alaska, two of which blow their tops every year. But nothing compares to the 15 cubic kilometers of magma that spewed from this volcano in 1912. From: AERIAL AMERICA: Alaska http://bit.ly/V6gY23