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Oops, it did it again: Another small hydrothermal explosion at Biscuit Basin

A small hydrothermal explosion occurred at Biscuit Basin in Yellowstone National Park on June 13, 2026. The event created a 20-foot crater of boiling water and formed new pools and vents. This activity follows a similar explosion in the same area in 2024.

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What changed

A new hydrothermal explosion occurred on June 13, 2026, creating a 20-foot crater.

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  1. Small Hydrothermal Explosion Hits Biscuit Basin

    A small hydrothermal explosion occurred at Biscuit Basin in Yellowstone National Park on June 13, 2026. The event created a 20-foot crater of boiling water and formed new pools and vents. This activity follows a similar explosion in the same area in 2024.

    What's confirmed:

    • A small hydrothermal explosion occurred at Biscuit Basin in Yellowstone National Park early on Saturday, June 13, 2026.
    • The explosion created a 20-foot crater of boiling water.
    • The activity resulted in the formation of new vents and pools.
    • Monitoring equipment registered seismic energy and a low-frequency acoustic signal called infrasound just after 5:09 a.m. on June 13.
    • The event was smaller than a previous explosion in the same area in 2024.

    Still unconfirmed:

    • Boiling water measured at 200 degrees Fahrenheit at some points.
    • A Biscuit Basin pool erupted again after the June 13 blast.
    confidence 100%