On the morning of December 20, the Yellowstone Volcano Observatory webcam caught a “dirty eruption” at the park’s Black Diamond Pool at Biscuit Basin. A “dirty” eruption is one that includes a bunch of mud, rocks, and other debris. It’s pretty interesting to see.
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“This morning [. . .] we got a nice clear view of one of these dirty eruptions under bright blue skies with the surroundings covered in snow (ah, winter in Yellowstone!),” wrote USGS Volcanoes in a Facebook post sharing the video. “A great example of the style of activity that has been occurring at Black Diamond Pool over the past 19 months!”
Check out a so-called “dirty eruption” at Yellowstone’s Black Diamond Pool:
Header stock image by Moonstone Images/Getty Images
