The short film in the Natural History museum mentions this..............................and it is where I got the wording....."huge calderas" from Yellowstone's violent past...................reminiscent of a violent past.......far greater than any in recorded history.............could it rain fire in Wash DC............if they set off a bomb in Wyoming???
The Yellowstone Caldera is a volcanic caldera and supervolcano in Yellowstone National Park in the Western United States, sometimes referred to as the Yellowstone Supervolcano.Wikipedia
Did you know: The odds of the Yellowstone supervolcano erupting within a given year are one in 730,000, according to the U.S. Geological Survey.fortune.com
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