United States640000 BCEDisasters
Yellowstone Caldera Supereruption
The most recent Yellowstone supereruption, a cataclysmic event that reshaped North American topography and triggered global climate impacts on prehistoric human populations.
The Yellowstone Caldera, also known as the Yellowstone Plateau Volcanic Field, is a Quaternary caldera complex and volcanic plateau spanning parts of Wyoming, Idaho, and Montana. - summary