THE United States Geological Survey spent a year watching the deformation of the ground around the fearsome Yellowstone volcano as it attempts to unlock clues as to when the major caldera may erupt.
Wednesday 27 November 2019
Yellowstone volcano: How USGS watched Yellowstone ground rise for an entire year
THE United States Geological Survey spent a year watching the deformation of the ground around the fearsome Yellowstone volcano as it attempts to unlock clues as to when the major caldera may erupt.
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