Fragmente von uns von Indies United Publishing LLC House Taschenbuch
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By Indies United Publishing LLC House. Yellowstone's third supereruption was 640,000 years ago. More than 250 cubic miles of debris dispersed. That's enough to bury Texas five feet deep. Experts told us there would be warning signs of another supereruption months in advance-that the chance of another one was so slim we wouldn't have to worry about it for thousands of years.
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