Last Known Eruption
78d 14h 46m ago

Interval Statistics

Interval Count32
Min6m
Max16y 284d 21h 10m
Mean344d 7h 4m
Median6d 23h 46m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
26247 11 Jun 2023 @ 1556 --- CrisG nice boils of 3-4 ft
24942 23 Jan 2023 @ 1142 --- ypcaribou Multiple springs I have observed at Black Sand (Cinnamon) Midway (Opel) and Fountain (Celestine) are very low at the moment.
23216 16 Aug 2022 @ 0918 --- steve Still showing 4-6 foot boils.
23194 15 Aug 2022 @ 0810 --- steve Celestine is still doing occasional boils to 4-6 feet with some roaring.
23186 14 Aug 2022 @ 1800 --- steve Several Good 4-6 foot boils lasting 10 seconds or so.
22265 01 Jul 2022 @ 2022 --- K.Cooper Massive boils, easily 6 and probably 8ft!
20793 07 Feb 2022 @ 1340 --- aferrara Heavy overflow with periodic 1' splashing
18907 12 Aug 2021 @ 1344 12 Aug 2021 @ 1345 am Surging up to 4ft as I was walking past
15466 09 Aug 2020 @ 0915 09 Aug 2020 @ 0920 aferrara vigorously boiling, with occasional surges of water reaching 2'
14531 02 Jun 2020 @ 1925 --- William intermittent boiling to 3'
13066 05 Aug 2019 @ 1906 --- dank Pretty rad two to three foot boil seen from road
5177 20 Aug 2017 @ 1937 --- CrisG ~3 ft boils
4675 01 Aug 2017 @ 2104 --- JSJ Brief, ~1 meter high spouting from Celestine Pool.
1837 04 Jul 2015 @ 1917 --- bhoppe Drove past Fountain Paint Pots, saw surging/bursting from the road that was approximately 5-6 feet high. Didn't have time to stop to continue watching, but was higher than the typical doming 2-3 feet I've seen in years past.
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