QT Yellowstone Caldera (the eruptions of which can be violent enough to send a layer of ash six feet deep as far away as Chicago and which erupts every 600,000 or so years and last erupted 640,000 years ago) update:

Peter Cervelli, a volcano expert at the U.S. Geological Survey, reassured the public this¬† week by predicting there won’t be a major eruption ‘”for the next ten thousands of years,” adding:
“We are always prepared to be surprised.”
And who doesn’t like a good surprise?

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