Last Known Eruption
1y 31d 22h 18m ago

Latest Eruptions

Eruption DurationInterval
30 Aug 2021 @ 1925 ie131d 3h 28m
21 Apr 2021 @ 15576y 255d 5h 45m
11 Aug 2014 @ 10121s 4m
11 Aug 2014 @ 1008a couple seconds6m
11 Aug 2014 @ 1002~5s 10d 3h 25m
01 Aug 2014 @ 063716h 26m
31 Jul 2014 @ 141117m
31 Jul 2014 @ 135443y 45d 5h 44m
27 Jun 1971 @ 0810

Interval Statistics

Interval Count8
Min4m
Max43y 45d 5h 44m
Mean6y 100d 22h 24m
Median5d 9h 55m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
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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