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Henry's Fork Caldera

View on map:44.330000°N 111.330000°W


The caldera was formed when it was over the Yellowstone Hotspot.


Henry's Fork Caldera

The Henry's Fork Caldera in Idaho is a caldera located an area known as Island Park, west of Yellowstone National Park. The caldera was formed by one of the world's supervolcanos in an eruption of more than 280 cubic kilometers 1.3 million years BP, and is the source of the Mesa Falls Tuff.


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