Kablooey!” That's the word U.S. Geological Survey volcanic experts used to describe a muddy eruption at Black Diamond Pool in Yellowstone National Park on Saturday morning. Video shared by the USGS on ...

Steamboat Geyser holds an elusive reputation for its prolonged periods of dormancy followed by abrupt episodes of ...

Steamboat Geyser eruption not witnessed from ground, but photographer in a plane captures footage next morning.

Several other eruptions have occurred in the past weeks, but all went unseen. Serendipitous timing, however, allowed scientists to record the December 20 ejection from Black Diamond Pool. The area ...

A muddy eruption from the Black Diamond Pool at the Biscuit Basin in Yellowstone National Park was captured by a webcam on Saturday0.Footage released by the USGS shows mud spraying up out of the pool ...

That’s the word U.S. Geological Survey volcanic experts used to describe a muddy eruption at Black Diamond Pool in Yellowstone National Park on Saturday morning. Video shared by the USGS on social ...

Grand Geyser, located in Yellowstone’s Upper Geyser Basin, is the tallest predictable geyser in the world. It erupts in breathtaking displays that can reach up to 200 feet high, lasting anywhere from ...

Yellowstone National Park sits above one of the most extensively studied volcanic systems on Earth. Beneath its forests, ...

A big, messy surprise greeted Yellowstone National Park early Saturday morning, just as winter officially began. At around 9:23 a.m., a powerful mud eruption took place at the Black Diamond Pool in ...

Video shared by the USGS on social media shows mud spraying up and out from the Black Diamond Pool in Yellowstone ...

A muddy eruption at Black Diamond Pool in Yellowstone National Park has been captured on camera. The video was recorded by the Yellowstone Volcano Observatory webcam Saturday morning. They said the ...