Tourists and officials were startled by a hydrothermal explosion at Black Diamond Pool in July 2024. Geoscientists are working out how and why it occurred to better understand these hazardous events.

One hundred years ago, on June 23, 1925, a mountainside in the Gros Ventre Range in northwest Wyoming collapsed, unleashing ...

Yellowstone National Park has a new plan for dealing with geologic hazards like thermal explosions and earthquakes for the first time in 11 years ...

Iceland's Reykjanes Peninsula exploded in volcanic eruptions on December 18—creating an astonishing 2.5-mile-long fissure whose southern segment is seen here near the coastal town of Grindavik.