Sometimes things just go "kablooey." On Saturday, Dec. 20 that thing was Black Diamond Pool, a "large murky blue pool" in Yellowstone National Park's Biscuit Basin that erupted just before 9:23 a.m.

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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 ...

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 ...