In other words: Yellowstone blowing up means the end of America.
From the Inquisitor.com article, Mega-earthquakes in Major Population Centers Highly Imminent, Experts Renew Warning:
Fears have also been expressed about an imminent eruption of the Yellowstone Supervolcano, which experts say experienced a major eruption 640,000 years ago, followed by minor eruptions and lava flows 150,000 and 70,000 years ago, respectively.
Experts warn that major eruptions of Yellowstone comparable to the last super-eruption 640,000 years ago could be up to 2,000 times as powerful as the Mount St. Helens’ 1980 eruption. A major eruption of Yellowstone could devastate large swathes of the U.S. northwest and render about two-thirds of the country uninhabitable.
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And from another Inquisitor Article, Yellowstone Supervolcano Eruption May Happen Soon; Explosion More Catastrophic than Effects of Climate Change.
A Yellowstone supervolcano eruption capable of wiping out the western half of the U.S. may be closer than previously thought. Scientists say the Earth is now in a “volcano season,” and a large volcanic eruption poses a significantly greater global threat than even the effects of climate change.
According to scientists from the European Science Foundation (ESF), the Earth is experiencing a 300-year period of increased volcanic activity, or a volcano season. Some scientists have speculated this increased activity may be due to rising sea levels, possibly related to global warming.
In the report, entitled “Extreme Geohazards: Reducing the Disaster Risk and Increasing Resilience,” experts predict a supervolcano eruption with the ability to kill millions has a five to 10 percent chance of happening within the next 70 to 80 years. Such an event would make it difficult for a global society to adapt and remain sustainable.
Researchers are particularly worried about active volcanoes in Yellowstone National Park in the United States, Mount Vesuvius in Italy, and Popocatépetl in Mexico. As reported by International Business Times, the environmental impact would go well beyond any damaging effects of climate change over a 1,000 year period, should any of these three erupt.
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And here's why the Yellowstone Explosion could be huge:
Cross-posted at Fin des Voies Rapides.