Last Known Eruption
6y 159d 20h 41m ago

Latest Eruptions

Eruption DurationInterval
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 Count6
Min4m
Max43y 45d 5h 44m
Mean7y 70d 4h 20m
Median8h 21m

Latest Notes

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