Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Michael Poland, geophysicist with the ...

The same geyser that erupted last summer in a hydrothermal explosion in Yellowstone National Park was recorded erupting again, video shows. “Small eruption from Black Diamond Pool, site of a ...

A newly-installed webcam captured a hydrothermal eruption at Yellowstone National Park, less than a year after a sizeable explosion destroyed the same area. The webcam captured a small eruption at ...

A clogged-up underground system caused the powerful hydrothermal explosion at Yellowstone's Black Diamond Pool last summer, according to the U.S. Geological Survey (USGS). Minerals had sealed off ...

Add Yahoo as a preferred source to see more of our stories on Google. The explosion appears to have happened between December 2024 and May 2025. While rare, hydrothermal explosions can result in ...

On May 31, 2025, a webcam in Yellowstone National Park detected a small explosion in the Biscuit Basin Area—the same zone that suffered an unexpectedly destructive hydrothermal eruption less than a ...

A surprise eruption that shot steam, water and dark-colored rock and dirt dozens of feet into the sky Tuesday sent people running for safety in Yellowstone National Park. The hydrothermal explosion ...

The dominant rock type in the Yellowstone region is rhyolite, and that is very rich in silica. As hot water circulates underground, it can dissolve that silica and bring it to the surface, where it is ...

The same geyser that erupted last summer in a hydrothermal explosion along a Yellowstone National Park boardwalk was caught erupting on video again thanks to a newly-installed webcam to track the ...