Last Known Eruption
28y 300d 9m ago

Latest Eruptions

Eruption DurationInterval
10 Jan 1992 @ 1605 ie

Interval Statistics

Not enough entries to compute statistics.

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
15647 19 Aug 2020 @ 0710 --- RMichaels 6 inches below the top of the orange bacteria inside the pool and lightly bubbling.
12398 07 Jul 2019 @ 1043 --- ldgordon Pool seems to be about a foot below the top of the bacteria line
11563 04 Jun 2019 @ 0845 --- User34 Down about 1/3 of the way to the vent, bubbling.
10790 25 Dec 2018 @ 1550 --- Janet Jones Looks like it recently dropped 6” or so
10124 09 Sep 2018 @ 1219 --- EmilyW Down a bit and grotto has been off for a long time. Likely has had a marathon
9289 25 Jul 2018 @ 0617 --- JimS Down about 4 inches.
8829 21 Jun 2018 @ 0620 --- JimS Down about 6 inches.
8053 02 May 2018 @ 0920 --- WillBoekel 2-3 inches from overflow
8049 01 May 2018 @ 0853 --- Micah Kipple Almost at ovf
8026 28 Apr 2018 @ 0637 --- Micah Kipple It was slightly [read: barely] down about an inch with steady ebullition. Perhaps suggesting the Grotto last night was a weak marathon. But put a big (?) on that interpretation.
7534 29 Sep 2017 @ 0750 --- Kitt B pool down about 6 inches
3191 22 Jun 2016 @ 1425 --- David water level down about a foot. orange bacteria ring dried and cracking indicating low water level for some time. see photo: https://www.flickr.com/photos/ujelang/27447783513/in/dateposted-public/
3192 30 Sep 2013 @ 1023 --- David Water in pool brim full, nearly overflowing. see photo: https://www.flickr.com/photos/ujelang/28028231296/in/dateposted-public/ [exif time on pacific time, not mtn).
14323 08 Jun 1995 @ 1830 --- JarnoO down >1'
12719 18 Aug 1994 @ 0225 --- JarnoO down 1'+
12666 14 Jun 1994 @ 0938 --- JarnoO down.
12305 22 Aug 1993 @ 1000 --- JarnoO low @ 1000
12299 20 Aug 1993 @ 0600 --- JarnoO low at 0600
12296 18 Aug 1993 @ 0930 --- JarnoO low at 0930
12294 14 Aug 1993 @ 0805 --- JarnoO low 0805
12142 08 Feb 1993 @ 0000 08 Feb 1993 @ 2359 JarnoO bubbling
12138 07 Feb 1993 @ 0957 --- JarnoO down.
5443 10 Jul 1992 @ 1330 --- JarnoO very low
5168 09 Apr 1992 @ 0000 09 Apr 1992 @ 2359 JarnoO down.
5046 03 Mar 1992 @ 0800 --- JarnoO 0800 low
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Baseline does not exist.