Latest News About Yellowstone Eruption

Updated 2026-05-16 08:02

Here’s the latest on Yellowstone eruption news based on reliable sources as of now.

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Yellowstone - Smithsonian Institution | Global Volcanism Program

The Yellowstone Plateau volcanic field developed through three volcanic cycles spanning two million years that included some of the world's largest known eruptions. Eruption of the over 2,450 km3 Huckleberry Ridge Tuff about 2.1 million years ago created the more than 75-km-long Island Park caldera. The second cycle concluded with the eruption of the Mesa Falls Tuff around 1.3 million years ago, forming the 16-km-wide Henrys Fork caldera at the western end of the first caldera. Activity...

volcano.si.edu