Last Known Eruption
113d 1h 11m ago

Interval Statistics

Interval Count20
Min3m
Max43y 45d 5h 44m
Mean2y 227d 18h 27m
Median23m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
33954 30 Jan 2024 @ 1120 --- aferrara steady overflow but not doing anything obvious from the foot path.
24449 20 Oct 2022 @ 0930 20 Oct 2022 @ 1120 aferrara Water levels high w/steamy overflow. Frequent boiling and churning every 1-3m. Eruptions listed here include anything with vertical white water that audibly splashed. ~1030 water dropped ~1-2" in Round Spring, exposing edges. Runoff significantly decreased. No movement or activity visible in pool after 1101
22033 16 Jun 2022 @ 1030 --- Tara Approximate time of observation. Saw one bloop to about a foot, with heavy steam and overflow.
21124 29 Apr 2022 @ 0902 --- DanS Round spring LGB Thud Group has low water level. Had been in overflow each time passed by over the last week. Back full and in overflow at 1602.
6256 01 Sep 2017 @ 0938 01 Sep 2017 @ 0950 Polly Group is active.
15283 05 Sep 1996 @ 1837 --- JarnoO is below overflow; 1617 in full overflow
14415 23 Oct 1995 @ 0000 23 Oct 1995 @ 2359 JarnoO in full overflow
14413 22 Oct 1995 @ 0000 22 Oct 1995 @ 2359 JarnoO well below overflow; first observed since 8/26
14368 27 Aug 1995 @ 0000 27 Aug 1995 @ 2359 JarnoO near path in heavy overflow; first observed since 8/14
14358 14 Aug 1995 @ 0000 14 Aug 1995 @ 2359 JarnoO well below first overflow; first time observed in ≥1 year
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