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Huckleberry Ridge Tuff facts for kids

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Huckleberry Ridge eruption
Huckleberry Ridge ash bed
Volcano Island Park Caldera
Date 2.1 million years ago
Type Ultra-Plinian
Location Idaho/Wyoming, United States
44°20′N 111°20′W / 44.33°N 111.33°W / 44.33; -111.33

The Huckleberry Ridge Tuff is a tuff formation created by the Huckleberry Ridge eruption that formed the Island Park Caldera that lies partially in Yellowstone National Park, Wyoming and stretches westward into Idaho into a region known as Island Park. This eruption of 2,200 km3 (530 cu mi) of material is thought to be the largest known eruption in the Yellowstone Hotspot's history. This eruption, 2.1 million years ago, is the third most recent large caldera forming eruption from the Yellowstone hotspot. It was followed by the Mesa Falls Tuff and the Lava Creek Tuff eruptions.

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