A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park.
Modern Engineering Marvels on MSN
Yellowstone’s 19-mile swell shows how modern sensors catch moving ground
The Yellowstone National Park experiences the most significant changes that do not signal with noise. The surface started to rise in the very middle of one of the busiest spots of the north rim of the ...
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