Story perspectives

Yellowstone's Black Diamond Pool Erupts Again: 'Kablooey!'

12/22/2025

Summary

Story summary

On December 21, 2025, the U.S. Geological Survey recorded a muddy eruption at Black Diamond Pool in Yellowstone's Biscuit Basin around 9:23 a.m.
The U.S. Geological Survey described the eruption as "Kablooey!".
A hydrothermal explosion occurred at the same site in July 2024, causing damage and area closures.
Since 2024, sporadic eruptions have prompted new monitoring equipment.
Yellowstone National Park hosts more than 10,000 hydrothermal features, including over 500 geysers.

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Story summary

On December 21, 2025, the U.S. Geological Survey recorded a muddy eruption at Black Diamond Pool in Yellowstone's Biscuit Basin around 9:23 a.m.
The U.S. Geological Survey described the eruption as "Kablooey!".
A hydrothermal explosion occurred at the same site in July 2024, causing damage and area closures.
Since 2024, sporadic eruptions have prompted new monitoring equipment.
Yellowstone National Park hosts more than 10,000 hydrothermal features, including over 500 geysers.