The
Yellowstone hotspot, also referred to as the
Snake River Plain-Yellowstone hotspot, is a
volcanic hotspot responsible for large scale volcanism in
Oregon,
Nevada,
Idaho, and
Wyoming,
United States. It created the eastern
Snake River Plain through a succession of caldera forming eruptions. The resulting calderas include the
Island Park Caldera, the
Henry's Fork Caldera, and the
Bruneau-Jarbidge caldera. The hotspot currently lies under the
Yellowstone Caldera. The hotspot's most recent supereruption, known as the
Lava Creek eruption, took place 640,000 years ago and created the
Lava Creek Tuff and the
Yellowstone Caldera.