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New theory says hotspot under Yellowstone NP supervolcano originates on Pacific coast

Newly published research contradicts what has been a long-held — although fervently debated — theory about the hotspot underlying the Yellowstone supervolcano.

Geologists at the University of Illinois used seismic waves that travel through the earth after earthquakes and explosions to produce an almost X-ray-like view of what’s going on underground. The information was then fed through a supercomputer to mimic different geologic scenarios that are known to have occurred over the past 20 million years in an attempt to come up with an explanation for the Yellowstone hotspot.


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