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While maps already show Yellowstone deposits across the US from ... last erupted 70,000 years ago and it would take ...
Understanding the earthquake history of a region is key to estimating seismic hazard. To help with this task, Geologists look for clues about prehistoric earthquakes at the bottom of lakes in the ...
Although maps show Yellowstone's ash depostis across the ... its lid 70,000 years ago and it would take some pretty hefty ...