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.

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.

This frame capture of a video from a webcam shows a small eruption emanating from Black Diamond Pool in Biscuit Basin, a subbasin of Upper Geyser Basin in Yellowstone National Park, on May 31, 2025.

This frame capture of a video from a webcam shows a small eruption emanating from Black Diamond Pool in Biscuit Basin, a subbasin of Upper Geyser Basin in Yellowstone National Park on May 31.

This is the first eruption from Black Diamond Pool that has been captured on video since the hydrothermal explosion on July 23, 2024, although there is evidence from other monitoring data and some ...

“Small eruption from Black Diamond Pool, site of a hydrothermal explosion on July 23, 2024, captured by new webcam on May 31 at 8:39 p.m. MDT!” ...

This is the first eruption from Black Diamond Pool that has been captured on video since the hydrothermal explosion on July 23, 2024, although there is evidence from other monitoring data and some ...

This is the first eruption from Black Diamond Pool that has been captured on video since the hydrothermal explosion on July 23, 2024, although there is evidence from other monitoring data and some ...

This is the first eruption from Black Diamond Pool that has been captured on video since the hydrothermal explosion on July 23, 2024, although there is evidence from other monitoring data and some ...

“Small eruption from Black Diamond Pool, site of a hydrothermal explosion on July 23, 2024, captured by new webcam on May 31 at 8:39 p.m. MDT!” ...