Last Known Eruption
3y 67d 1h 45m ago

Latest Eruptions

Eruption DurationInterval
22 Aug 2018 @ 180235y 44d 3h 13m
18 Jul 1983 @ 1449 ie1y 9d 20h 19m
08 Jul 1982 @ 1830 ie350d 2h 7m
23 Jul 1981 @ 16231h 7m 5y 22d 3h 53m
02 Jul 1976 @ 1230

Interval Statistics

Interval Count4
Min350d 2h 7m
Max35y 44d 3h 13m
Mean10y 197d 19h 23m
Median3y 16d 6m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
20089 22 Oct 2021 @ 0906 --- MAB water level same - down about 6in but visible
20025 17 Oct 2021 @ 0917 --- MAB still 6in down but water is visible
19950 10 Oct 2021 @ 1652 --- MAB resting water level up ~1in from Tuesday- still low about 5in below rim
19905 05 Oct 2021 @ 0857 --- MAB visible water 6in down - with blurpy noises as Corporal began
19550 08 Sep 2021 @ 1015 --- CrisG No water noted in spring before, during, or after eruption of Corporal. Vents do steam in cooler conditions.
14674 18 Jun 2020 @ 1838 --- jkgood Water visible- several inches below surface
14672 18 Jun 2020 @ 1014 --- jkgood No water visible
11327 22 May 2019 @ 0703 --- Kyle no water visible in either vent. audible gurgling sounds at depth
11319 21 May 2019 @ 0908 --- Kyle water visible in vent approx 3-4 in below rim, calm
11330 20 May 2019 @ 0821 --- Kyle water on both vents, calm, 3 in below over flow
9711 13 Aug 2018 @ 1118 --- Kent Dog Leg @ Norris - Water in pools but down two inches. No activity.
4721 08 Sep 1998 @ 1800 --- research-mab 9/8 Dog leg looked odd today. Instead of filling quietly after Corp’s eruption, it had rapid boiling out of 2 vents. Hmmm
7594 05 Feb 1989 @ 0000 05 Feb 1989 @ 2359 JSJ Dog's Leg Spring - no recent (last month) runoff. Water level varies.
4842 14 Aug 1988 @ 1800 --- research-mab 8/14/1988 Dog’s Leg is overflowing more, but not erupting
4669 10 Jul 1982 @ 1800 --- research-mab 7/10/1982 Wet area for Dog Leg along edge of Corporal onto trail. Dog Leg major? → New hot spot on trail directly across from Corporal. Ground is also wet there.
4656 05 Aug 1981 @ 1800 --- research-mab 8-5-81 Dog’s Leg has blown out a new vent! Now is ~3 ½’ by 1’ (tiny sketch of shape img 7593) splashing to 3’ in left vent & 2’ in right. 200º Board walk moved.
4997 20 Sep 1979 @ 0900 --- research-mab 09/20/1979 Disturbance Corporal Geyser and The Dog’s Leg – The trail south of these two features was found to be very wet. Foot prints covering water flowing makes point towards the possibility of a major eruption last night. Dogs Leg (170ºF) bubbling hard before Corporal eruption. As Corporal erupts, Dogs Leg drained with loud gurgling. Corporal temp ie 176ºF.
No attachments for this geyser.
Baseline does not exist.