Last Known Eruption
23y 151d 22h 4m ago

Latest Eruptions

Eruption DurationInterval
04 Jul 1998 @ 0936 min2m 22y 350d 20h 36m
24 Jul 1975 @ 1300

Interval Statistics

Interval Count1
Min22y 350d 20h 36m
Max22y 350d 20h 36m
Mean22y 350d 20h 36m
Median22y 350d 20h 36m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
16060 11 Sep 2020 @ 1322 --- DanS Audible boiling and a few small splashes. Again at 1329.
11532 02 Jun 2019 @ 1832 --- JSJ Spitting water (seen through steam) at 1832, 1837, and 1910.
16725 24 Sep 1998 @ 1847 --- JarnoO several 1 m bursts
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Baseline does not exist.