Last Known Eruption
1y 96d 1h 35m ago

Interval Statistics

Interval Count18
Min4m
Max3y 348d 1h 14m
Mean100d 20h 11m
Median7m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
13056 05 Aug 2019 @ 1459 --- 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 --- 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 --- 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 --- 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 --- 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 --- RyanMaurer pool erupting to 5ft
No attachments for this geyser.
Baseline does not exist.