About 75,000 years ago, some scientists say, the last truly colossal volcanic eruption on Earth came close to wiping out all the primates, including humans. That eruption occurred when the Toba volcano in Indonesia exploded in an almost unbelievably shattering display.
Other people with a flare for the dramatic warn that a supervolcano underlying Yellowstone National Park could erupt in the not-so-distant future and push humanity to the verge of extinction. University of North Carolina at Chapel Hill scientists say not to worry, especially anytime soon.
"Its not hyperbole to say that the biggest eruptions could bring an end to civilization," said Dr. Allen F. Glazner, professor of geologic sciences at UNC. "Such eruptions are evident in the geologic record, and the classic textbook picture of volcanoes implies that huge pots of magma are brewing under most active volcanoes today."
David Williamson | EurekAlert!
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