The rise and fall of Yellowstone National Park
Today’s Video of the Day from the USGS features Mike Poland, Scientist-in-Charge at the Yellowstone Volcano Observatory, who describes the history of land deformation in Yellowstone National Park.
In this region, forces of heat and pressure cause the Earth’s surface to periodically rise and fall. The hydrothermal system – all the hot water that powers the geysers – has an influence on deformation as well.
Using various techniques such as leveling, satellite imagery, and radar imagery, experts are able to measure the extent to which the land deforms.
Video Credit: USGS
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