Yellowstone Caldera
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The Yellowstone Caldera, also known as the Yellowstone Plateau Volcanic Field, is a Quaternary volcanic field, caldera complex, and volcanic plateau spanning parts of Wyoming, Idaho, and Montana. It i
The northeastern part of the Yellowstone Caldera, with the Yellowstone River flowing through Hayden Valley and the caldera rim in the distance
Path of the Yellowstone hotspot over the past 16 million years
Supervolcano
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A supervolcano is a volcano that has had an eruption with a volcanic explosivity index of 8, the largest recorded value on the index. This means the volume of deposits for such an eruption is greater
Yellowstone Caldera
…The second cycle culminated in eruption of the Mesa Falls Tuff and formation of the Henry's Fork Caldera about 1.3 million years ago. The most recent supereruption, about 631,000 years ago, produced the Lava Creek Tuff and created the present Yellowstone Caldera. Post-caldera eruptions included basalt flows…
Volcano, lake, and caldera locations in the Taupō Volcanic Zone