Yellowstone Volcano Observatory

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Date published: December 10, 1997

Yellowstone Earth Movements Compared to Heavy Breathing

Yellowstone National Park, the land of pristine scenery and wildlife, also "breathes" according to recent research. On Wednesday, December 10, Kenneth L. Pierce of the U.S. Geological Survey in Denver, Colo. will present geologic evidence showing that the central part of Yellowstone has been uplifting and subsiding or "breathing" about five times over the last 9,000 years.