In a big eruption, Yellowstone would eject 1,000 times as much material as the 1980 Mount St. Helens eruption.
In a big eruption, Yellowstone would eject 1,000 times as much material as the 1980 Mount St. Helens eruption. POST THE WASHINGTON POST
In a big eruption, Yellowstone would eject 1,000 times as much material as the 1980 Mount St. Helens eruption. POST THE WASHINGTON POST

Huge magma chamber spied under Yellowstone supervolcano

April 24, 2015 12:53 PM

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