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"Volcanoes form mountains; supervolcanoes erase them. Volcanoes kill plants and animals for miles around; supervolcanoes threaten whole species with extinction by changing the climate across the entire planet… Is it going to blow again?"
What sounds like an advertisement for Hollywood's latest apocalyptic blockbuster are actually the words of Joel Achenbach, Washington Post reporter and science writer. In the August 2009 issue of National Geographic, he wrote about the Yellowstone Supervolcano that sits beneath our beloved national park. When Yellowstone eventually blows sometime in the next 100,000 years (or so), it will make Mount St. Helens look like a geological indigestion.