Yellowstone National Park geologists have confirmed that a small hydrothermal explosion that occurred earlier this month formed a new thermal pool.

“Ground that the team had walked on just 2 days earlier had developed into an actively boiling pool!” officials wrote on June ...

According to the Yellowstone Volcano Observatory, hydrothermal explosions are “violent and dramatic events resulting in the rapid ejection of boiling water, steam, mud, and rock fragments.” These ...

Early on the morning of Saturday, June 13, 2026, a small hydrothermal explosion occurred at Biscuit Basin in Yellowstone National Park. Although smaller than the explosion that occurred in the ...

The location of the new pool. (USGS/Public Domain) A churning pool of water has opened up in Yellowstone National Park – just two days after scientists were walking around on the exact patch of ground ...

The pool, measuring 21 x 17 feet, formed near newly opened vents and spouted water up to 30 feet high Experts say it's unclear if the pool will remain active or if Biscuit Basin's heat activity has ...

When Yellowstone National Park staff arrived to work on Saturday, June 13, they noticed something odd: the Firehole River flowing from Biscuit Basin was filled with "a light‑grey, milky plume." Upon ...