Geysers and hot springs are some of the most dynamic geologic features on the planet. They are always changing and sometimes that change happens in places where we can see and appreciate it. This has been the case on Geyser Hill, near Old Faithful, in Yellowstone National Park.

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Caldera Chronicles https://www.usgs.gov/volcanoes/yellow...
Yellowstone Volcano site https://www.usgs.gov/volcanoes/yellow...
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USGS video https://www.usgs.gov/media/videos/yel...