Last Known Eruption
209d 2h 37m ago

Latest Eruptions

Eruption DurationInterval
25 Dec 2018 @ 0955 ie2y 48d 23h 41m
06 Nov 2016 @ 1014 ie292d 20h 52m
18 Jan 2016 @ 1322 ie231d 3h 56m
01 Jun 2015 @ 1026 ie3y 12d 2h 40m
20 May 2012 @ 0746 ie19y 5d 11h 46m
19 May 1993 @ 2000 ie221d 9h 35m
10 Oct 1992 @ 1025 ie

Interval Statistics

Interval Count6
Min221d 9h 35m
Max19y 5d 11h 46m
Mean4y 135d 8h 5m
Median1y 170d 22h 16m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
10679 29 Oct 2018 @ 1232 --- udo superheated edge boil and doming to 4 inches on far side of pool
10284 18 Sep 2018 @ 1125 --- Micah Kipple Periodic heavy boils above ground level.
10003 03 Sep 2018 @ 0900 --- Micah Kipple Within a foot of the rim.
9258 21 Jul 2018 @ 0752 --- Micah Kipple Within 15 cm of rim.
8844 20 Jun 2018 @ 1328 --- Archer At overflow.
8807 20 Jun 2018 @ 0741 --- Archer ~2 inches below overflow. Gently pulsing.
8109 04 May 2018 @ 1126 --- Janet White Water 3-4" from top of the rim. Water in the back "catch basin" (for lack of a better term).
8071 03 May 2018 @ 1649 --- Micah Kipple Within 10 cm of the rim.
4059 05 May 2017 @ 1620 --- Janet White While Little Squirt was still erupting, Silver Spring didn't drain and erupt. Instead, the water level had dropped to about 4-6" below the rim top and was occasionally splashing from the center of the pool.
4058 05 May 2017 @ 1140 --- Janet White Water overflowing the crater including overflowing from back catch basin.
3993 22 Apr 2017 @ 1302 --- Micah Kipple Outer basins filled
3991 22 Apr 2017 @ 1027 --- Micah Kipple Water level near rimtop
3864 06 Nov 2016 @ 1010 --- Janet White Empty and steaming
3849 05 Nov 2016 @ 1328 --- Archer Inch below overflow.
2822 06 May 2016 @ 1319 --- Janet White Empty and steaming. Little Squirt was off and Bronze was overflowing and sending up good bubbles (and had microbes growing in the vent).
2799 29 Apr 2016 @ 1426 --- Siegmund Water level down out of sight, no sound of boiling
2633 22 Dec 2015 @ 1652 --- Tara Boiling to 1 foot
2568 21 Oct 2015 @ 1617 --- Janet White Empty and steaming with occasional boiling heard at depth.
12156 24 Feb 1993 @ 1028 --- JarnoO low and boiling
12134 01 Feb 1993 @ 0000 01 Feb 1993 @ 2359 JarnoO active
5576 20 Aug 1992 @ 0000 20 Aug 1992 @ 2359 JarnoO very low, Little Squirt apparently erupted within last few days
No attachments for this geyser.
Baseline does not exist.


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