Volcano under Yellowstone bigger than previously thought

April 18, 2013 4:19 PM

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Volcano under Yellowstone bigger than previously thought

SALT LAKE CITY – Yellowstone's underground volcanic plumbing is bigger and better connected than scientists thought, researchers reported Wednesday, April 17, at the Seismological Society of America's annual meeting.

"We are getting a much better understanding of the volcanic system of Yellowstone," said Jamie Farrell, a seismology graduate student at the University of Utah. "The magma reservoir is at least 50 percent larger than previously imaged."

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