Magma carta: Newly-mapped Yellowstone volcano chamber could fill Grand Canyon 11 times

Friday, April 24, 2015
By Paul Martin

RT.com
April 24, 2015

The scary Yellowstone National Park super-volcano continues to dazzle: scientists have mapped a second magma reservoir that could fill the Grand Canyon 11 times over, giving themselves a clearer picture than ever of what awaits us if the lid blows.

Yellowstone National Park in the US draws thousands each year to marvel at the natural hot springs and debate what lies underneath. Even today science has very little idea of how the underground super-volcano connects to the Earth’s mantle below, drawing energy.

For years people have feared what might happen if a major eruption happened, with doomsday enthusiasts being particularly vocal about an impending global cataclysm to resemble Armageddon. The new map has taken geophysicists one step closer to figuring out if there’s any truth to those fears.

“We can’t say definitively that this is the biggest magma reservoir in the world, but we currently don’t know of any other that has been imaged that is as large as the two we see beneath Yellowstone,” University of Utah’s Fan-Chi Lin told New Scientist.

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