A muddy eruption was captured inside Yellowstone National Park's black diamond pool on Saturday. Footage shows mud flying out of the pool – the same location as a hypothermal explosion that occurred in July 2024. | CBS News

A muddy eruption at Black Diamond Pool in Yellowstone National Park has been captured on webcam by the Yellowstone Volcano Observatory Saturday morning. The same pool was also the site of a hydrothermal explosion in July 2024 that damaged a boardwalk and sent rocks and mud flying. Since then eruptions reaching up to 40 feet have occurred sporadically. Read: https://kslnewsradio.com/?p=2271020 ✍: Susan Montoya Bryan, AP 📷: U.S. Geological Survey via AP | KSL NewsRadio

🚨YELLOWSTONE UPDATE: ERUPTION CAUGHT ON CAMERA Yellowstone National Park recorded another violent hydrothermal eruption on December 20, 2025, when Black Diamond Pool in Biscuit Basin suddenly exploded, sending mud and water roughly 40 feet into the air. The eruption was captured clearly by a Yellowstone Volcano Observatory webcam, providing rare real-time footage of a dangerous and unpredictable event. Hydrothermal eruptions are driven by superheated water trapped beneath the surface. When pres