| Note ID | Start Time (US/Mountain) | End Time (US/Mountain) | Entrant | Note |
| 35128 |
11 Jun 2024 @ 1053 |
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CrisG |
perpetual at this time from 2 vents on the berm above rhe J shaped pool. |
| 24104 |
25 Sep 2022 @ 1630 |
25 Sep 2022 @ 1711 |
CrisG |
perpetual during this time 2-4 feet. main area of eruption has moved from the edge of the berm down towards the bottom of the J shaped pool. At 1704, eruption subsided to a low boil of about six inches before stopping for about 30 seconds. At 1705, eruptions restarted at 1-2 ft before building again to 2-4 ft. At 1707, the vents by the berm started in and both vents were erupting to 1-2ft. Fun to watch |
| 13056 |
05 Aug 2019 @ 1459 |
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JSJ |
Young Hopeful Geyser, sensu Gryc (2016). Basin water-filled. Low to moderately low splashing (perpetual) from two sites. Overflow running into J-shaped pool. [Reference cited: Gryc, S. 2016 (dated 2015). Firehole Lake geyser delights (but which geyser is it?). Geyser Gazer Sput 29(6): 5-8.] |
| 11802 |
14 Jun 2019 @ 1332 |
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JSJ |
Young Hopeful Geyser, sensu Gryc (2016). Basin water-filled. Low to moderately low splashing (perpetual). Overflow running into J-shaped pool & into the weathered siliceous sinter flats to the southwest and northwest.
[Reference cited: Gryc, S. 2016 (dated 2015). Firehole Lake geyser delights (but which geyser is it?). Geyser Gazer Sput 29(6): 5-8.] |
| 11623 |
07 Jun 2019 @ 1242 |
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CrisG |
continuous play from 4 vents in the complex. Upper 2 vents on the platform surging to approx 8-10'. |
| 9421 |
02 Aug 2018 @ 1850 |
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JSJ |
A vent in the Young Hopeful Geyser complex (sensu Gryc, 2016) is cycling between a low, still pool to a full pool with splashing, with some overflow into the J-shaped pool. Vent is at: 44° 32' 38.41" North latitude, 110° 47' 04.30" West longitude. |
| 8621 |
10 Jun 2018 @ 1632 |
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JSJ |
A vent in the Young Hopeful Geyser complex (sensu Gryc, 2016) was engaged in very low to low splashing at 1632. Vent is at: 44° 32' 38.41" North latitude, 110° 47' 04.30" West longitude. [Reference cited: Gryc, S. 2016 (dated 2015). Firehole Lake geyser delights (but which geyser is it?). Geyser Gazer Sput 29(6): 5-8.] |
| 2018 |
04 Aug 2015 @ 1702 |
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RyanMaurer |
pool erupting to 5ft |