| Note ID | Start Time (US/Mountain) | End Time (US/Mountain) | Entrant | Note |
| 16919 |
25 Apr 2021 @ 1227 |
25 Apr 2021 @ 1450 |
DanS |
Large sudden steam cloud from area of Round, Spectacle, Abuse Geysers at 1227 as observed from 3 Sisters turnout Myriad group. No further similar activity through 1450. |
| 11009 |
20 Apr 2019 @ 1447 |
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Micah Kipple |
What appears to be Round Geyser in the myriad group is having periodic visible boils perhaps 1-2 feet over the rim. A gazer familiar with the group is coming to confirm shortly. |
| 3430 |
05 Aug 2016 @ 1953 |
05 Aug 2016 @ 2007 |
JSJ |
Brief, moderately low spouting from 1953 to 2001 from a feature west of White Geyser - possibly Round Geyser, based on sight line from Three Sisters Spring (where I was observing), using a labeled satellite photo. No more spouting seen between 2001 and 2007. |
| 12365 |
30 Dec 1993 @ 1200 |
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JarnoO |
has not erupted between 10/15 and 12/30 |
| 528 |
25 Apr 1977 @ 0750 |
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BoekelUpload |
between 0750 &0835;~0810 by steamphase(I~16h |
| 442 |
24 Jul 1975 @ 1928 |
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BoekelUpload |
finished 1928 |