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

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 ...

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

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 ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Just after 5:09 a.m., on Saturday, June 13, monitoring equipment in Biscuit Basin registered ...