Last Known Eruption
3y 94d 7h 32m ago

Interval Statistics

Interval Count38
Min2m
Max1y 167d 23h 35m
Mean50d 13h 19m
Median8h 11m
Initial-to-Initial
Interval Count3
Min33m
Max54d 2h 38m
Mean18d 1h 30m
Median1h 21m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
11749 12 Jun 2019 @ 1346 12 Jun 2019 @ 1515 JSJ Viewed from trail to Daisy Geyser & from Castle to Morning Glory trail. No eruptions. Areas around vent & to-the-north runoff channel have curled-upward microbial mats from desiccation. Likely no eruptions from Round Spring Geyser for some time. 1503 - as seen from main trail, there is water in the basin, but it is at a low level, with bubbling and occasional blipping.
8475 05 Jun 2018 @ 1111 --- JSJ Round Spring Geyser active - observed, in passing, four brief eruptions at 1111 to 1112.
4837 08 Aug 2017 @ 1414 08 Aug 2017 @ 1636 JSJ Durations of observed eruption series this afternoon: >14m (maybe), 7m, 7m, 10m, 7m, 7m, 14m. True intervals between observed eruption series this afternoon (= end of series to start of next series): 13m, 11m, 12m, 11m, 13m, 16m.
4576 29 Jul 2017 @ 1156 --- JSJ Not erupting.
2995 06 Jun 2016 @ 1127 --- JSJ Round Spring Geyser was off in the late morning. Ditto when I went by in the evening.
2351 14 Sep 2015 @ 1100 --- kenreeves (oops, carrage return doesn't work here. Will post on e-mail when I return home) also UNNG-RSG-2. Time and duration to nearest second 11:00:31 d 11 11:00:54 d 9 11:01:16 d 5 11:01:28 splash 11:01:57 d 6 11:02:23 d 6 11:02:45 splash 11:03:32 d 5 11:03:32 d 20 UNNG-RSG-2 11:04:11 d 5 11:04:29 d 12 11:04:51 d 7 11:05:11 d 5 11:05:29 d 7 11:05:57 splash 11:06:17 d 7 11:06:40 d 6 11:07:01 d 8 11:07:33 d 7 11:07:53 d 10 11:08:18 d 5 11:08:36 d 6 11:08:55 d 4 11:09:09 splash 11:09:19 d 4 11:09:34 d 5 11:09:58 splash 11:10:21 d 4 11:11:13 splash 11:12:11 d 5 11:12:21 d 6 11:12:21 d 22 UNNG-RSG-2 11:13:03 d 6 11:13:19 d 8 11:13:36 d 5 11:13:52 splash 11:13:58 d 6 11:14:22 d 7 11:14:48 d 8 11:15:12 d 11 11:15:39 splash 11:16:00 splash 11:16:15 d 8 11:16:37 d 8 11:16:56 d 10 11:17:16 d 9 11:17:39 d 6 11:18:01 d 7 11:18:25 d 8 11:18:53 d 5 11:19:16 d 5 11:19:35 d 8 11:19:57 splash 11:20:12 d 2 11:20:21 d 49 UNNG-RSG-2 11:20:48 d 5
EntrySourceLinkComment
08 Aug 2017 @ 1622 JSJ https://www.youtube.com/watch?v=vfMc4RvE4WY#t=2m13s Clips 4-5 of this video compilation (time stamp 2:13 to the end) show part of Round Spring Geyser's 4:22 to 4:36 PM eruption series on 8 August 2017.
08 Aug 2017 @ 1559 JSJ https://www.youtube.com/watch?v=vfMc4RvE4WY Clips 1-3 of this video compilation (beginning to time stamp 2:12) show part of Round Spring Geyser's 3:59 to 4:06 PM eruption series on 8 August 2017.
08 Aug 2013 @ 1742 JSJ https://www.flickr.com/photos/jsjgeology/14024069953 Video clip of Round Spring Geyser erupting during the late afternoon of 8 August 2013.
11 Aug 2013 @ 1745 JSJ https://www.flickr.com/photos/jsjgeology/14000903291 Video clip (1 of 3) of Round Spring Geyser erupting during the late afternoon of 11 August 2013.
02 Jun 2013 @ 0825 JSJ https://www.flickr.com/photos/jsjgeology/14003650925 Photo (1 of 7) of Round Spring Geyser erupting during the mid-morning of 2 June 2013.
04 Jun 2013 @ 1040 JSJ https://www.flickr.com/photos/jsjgeology/14024055863 Photo (1 of many) of Round Spring Geyser erupting in the late morning of 4 June 2013.
Baseline does not exist.