| Note ID | Start Time (US/Mountain) | End Time (US/Mountain) | Entrant | Note |
| 38433 |
10 Apr 2025 @ 1258 |
--- |
SantaFe108 |
Quietly steaming. |
| 38277 |
23 Feb 2025 @ 1445 |
--- |
K.Cooper |
lightly steaming |
| 37921 |
08 Nov 2024 @ 1314 |
--- |
SantaFe108 |
Quietly forcing steam, also steaming on the far left side, which it was not doing yesterday. |
| 37877 |
31 Oct 2024 @ 1612 |
--- |
SantaFe108 |
Steaming quietly. |
| 37813 |
27 Oct 2024 @ 1716 |
--- |
MAB |
pushing steam |
| 37744 |
24 Oct 2024 @ 1633 |
--- |
SantaFe108 |
Quietly forcing steam. |
| 37689 |
22 Oct 2024 @ 1814 |
--- |
MAB |
quietly steaming - + hot ground on the slope just below the sign |
| 37496 |
10 Oct 2024 @ 1220 |
--- |
SantaFe108 |
Steaming quietly. |
| 35077 |
10 Jun 2024 @ 1227 |
--- |
SantaFe108 |
Gently emitting steam. |
| 29304 |
31 Oct 2023 @ 1317 |
--- |
MAB |
quietly steaming - found a dime on the frozen snowy path- good luck Forgotten Fumarole! |
| 29044 |
22 Oct 2023 @ 1245 |
--- |
SantaFe108 |
Gently forcing steam. |
| 28889 |
19 Oct 2023 @ 1755 |
--- |
ypcaribou |
Steaming from empty vent |
| 27278 |
28 Jul 2023 @ 1245 |
--- |
SantaFe108 |
Quietly forcing steam. |
| 26847 |
04 Jul 2023 @ 1719 |
--- |
MAB |
warm part of the day 1656 & 1719 steam still visible |
| 26503 |
20 Jun 2023 @ 1253 |
--- |
SantaFe108 |
Gently forcing steam. |
| 26402 |
17 Jun 2023 @ 1458 |
--- |
SantaFe108 |
Gently forcing steam. |
| 25871 |
28 May 2023 @ 2023 |
--- |
SantaFe108 |
Quietly forcing steam. |
| 25653 |
21 May 2023 @ 1358 |
--- |
SantaFe108 |
Quietly steaming. |
| 24378 |
14 Oct 2022 @ 1820 |
--- |
MAB |
quiet forced steam |
| 22747 |
20 Jul 2022 @ 1957 |
--- |
nails |
Quietly steaming |
| 21811 |
07 Jun 2022 @ 1138 |
--- |
SantaFe108 |
Gently steaming. |
| 21027 |
18 Apr 2022 @ 1300 |
--- |
MAB |
quiet steam |
| 20310 |
04 Nov 2021 @ 0833 |
--- |
MAB |
gentle steam |
| 16973 |
30 Apr 2021 @ 0918 |
--- |
MAB |
quietly steaming |
| 8566 |
03 Jun 2018 @ 0835 |
--- |
Siegmund |
Quietly emitting dry steam. Same every time I walked by it on 3rd and 4th. |
| 29375 |
05 Jul 2010 @ 1200 |
--- |
research-mab |
7/5/2010 - no time noted - Forgotten Fumarole: warm/hot surface ground temperature in front of the bench – the soles of your shoes are warm when you sit on the bench. |
| 29348 |
05 Jun 2008 @ 1200 |
--- |
research-mab |
6/5/2008 - no time noted -Forgotten Fumarole erupts approx 20 ft high |
| 31439 |
02 Aug 1981 @ 1200 |
--- |
research-mab |
Sunday August 2 1981 The Basin Wide Disturbance has occurred! - no time noted - Forgotten Fumeral [sic]- (we didn’t forget you!) 196º gently steaming |
| 31718 |
23 Aug 1980 @ 1200 |
--- |
research-mab |
Saturday August 23 - no time noted - Forgotten Fumarole – Steaming heavily 203°F |
| 31676 |
22 Jul 1980 @ 1340 |
--- |
research-mab |
inferred time - Old Norris Road - -50 yds further a large steam vent only 10 yards from the road was pushing a steam column 15 feet high with a gentle, but active velocity [--> added Forgotten Fumarole] |