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 ...

By June 18, it was producing intermittent spouts that were 20 to 30 feet high.

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 22 A hydrothermal explosion at Yellowstone National Park on June 13 formed ...

Officials reported a hydrothermal explosion at Yellowstone’s Biscuit Basin, forming new vents and a boiling pool with no injuries.

The Biscuit Basin area of Yellowstone National Park in Wyoming is closed following a hydrothermal explosion Tuesday morning, park officials said in a news release and post on X. Biscuit Basin, its ...

Just after 5:09 a.m., on Saturday, June 13, monitoring equipment in Biscuit Basin registered anomalous activity, including seismic energy and a low-frequency acoustic signal, called “infrasound,” ...

JACKSON — In the early hours of June 13, a hydrothermal explosion in Yellowstone National Park’s Biscuit Basin sent several rocks flying into the air and formed cracks in the ground, one measuring ...

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 ...