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20 ancient supervolcanoes discovered in Utah and Nevada


Geologists from Brigham Young University, Berkeley Geochronology Center and the Pacific Northwest National Laboratory have found evidence of twenty ancient supervolcanoes near the Utah-Nevada border. The newly discovered supervolcanoes aren't active today, but 30 million years ago more than 5,500 cubic km of magma erupted during a one-week period near a place called Wah Wah Springs. more

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