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

Massive Crack
News Headline: “Massive ‘crack in the Earth’  opens up suddenly in Wyoming’s Bighorn Mountains.”
Scientists caution that this is not  a sign that Yellowstone is about to erupt.
It is just a massive crack in the Earth that has opened up suddenly in Wyoming’s Bighorn Mountains near Yellowstone.

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