Geyser Watch

 An Online Field Journal at


Watching water go the other way…

as well as many more not-quite-so-exciting thermal features of Yellowstone.


GeyserWatch is moving here – lots of changes happening this year!

Thanks for your patience as we shuffle things around. You can still head over to the old site:



Updates from West Thumb Early June 2017

The thermal energy continues to slowly increase at West Thumb Geyser Basin. This dynamic geyser basin is used to energy shifts, but this one is pretty good and will be fun to watch what happens over the summer. At best, I'm hoping to see another geyser or two...

Fountain Paint Pots area update early June 2017

More changes happening in Yellowstone - which really isn't news, but change is always fun to watch. This time it's in the Lower Geyser Basin in the Fountain Paint Pots area. A new vent has opened up near Clepsydra Geyser that's known to be a fairly constant performer...

Spasmodic Geyser Observations 23 April 2017

It's sometimes easiest to understand field notes by simply seeing how someone else keeps theirs. And since the Sawmill Group is acting differently this spring, I want to get my field notes out where others can see them for themselves. This way, if others decide to...

An excellent video by Yellowstone National Park Service

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