Last Known Eruption
62d 21h 12m ago

Latest Eruptions

Eruption DurationInterval
16 Jul 2021 @ 2131 ie27d 9h 6m
19 Jun 2021 @ 122511d 19h 14m
07 Jun 2021 @ 171145m
07 Jun 2021 @ 1626~1m 10s 1h 3m
07 Jun 2021 @ 15231-1.25m49m
07 Jun 2021 @ 14341-1.5m59m
07 Jun 2021 @ 13351-1.5m56m
07 Jun 2021 @ 1239 ns7d 16h 38m
30 May 2021 @ 200146m
30 May 2021 @ 191559m
30 May 2021 @ 181613m
30 May 2021 @ 1803<0.5m 1h 24m
30 May 2021 @ 1639~1m 9s 1h 36m
30 May 2021 @ 1503~1m 21s 1h 19m
30 May 2021 @ 1344>1m 1h 5m
30 May 2021 @ 1239>1m 15s 1d 2h 15m
29 May 2021 @ 1024289d 16h 30m
12 Aug 2020 @ 1754~44s 34m
12 Aug 2020 @ 1720~45s 29m
12 Aug 2020 @ 165126m
12 Aug 2020 @ 1625~44s 30m
12 Aug 2020 @ 1555~43s 31m
12 Aug 2020 @ 1524<1m 18h 40m
11 Aug 2020 @ 204422m
11 Aug 2020 @ 2022~0.75m 2d 4h 15m
09 Aug 2020 @ 16075d 7h 56m
04 Aug 2020 @ 081127m
04 Aug 2020 @ 07441h 49m
04 Aug 2020 @ 055515h 33m
03 Aug 2020 @ 1422<1m 29m
03 Aug 2020 @ 1353<1m 27m
03 Aug 2020 @ 1326~54s 30m
03 Aug 2020 @ 1256~56s 31m
03 Aug 2020 @ 1225~57s 35m
03 Aug 2020 @ 1150~1m 30m
03 Aug 2020 @ 1120<1m 29m
03 Aug 2020 @ 1051<1m 1d 4h 46m
02 Aug 2020 @ 060510h 43m
01 Aug 2020 @ 1922~1m 18d 10h 26m
14 Jul 2020 @ 08562h 51m
14 Jul 2020 @ 06052d 22h 57m
11 Jul 2020 @ 07082h 17m
11 Jul 2020 @ 04515d 20h 0m
05 Jul 2020 @ 08512d 2h 15m
03 Jul 2020 @ 063616d 23h 27m
16 Jun 2020 @ 070913h 2m
15 Jun 2020 @ 18072d 11h 33m
13 Jun 2020 @ 0634 ie1d 21h 38m
11 Jun 2020 @ 08562d 19h 8m
08 Jun 2020 @ 1348274d 22h 36m
07 Sep 2019 @ 1512 ? ie1d 4h 43m
06 Sep 2019 @ 1029 ie33d 17h 47m
03 Aug 2019 @ 1642~0.75m 32m
03 Aug 2019 @ 1610~0.75m 36m
03 Aug 2019 @ 153445-50s28m
03 Aug 2019 @ 1506~48s 45m
03 Aug 2019 @ 1421>0.75m 34m
03 Aug 2019 @ 1347~0.75m 29m
03 Aug 2019 @ 13180.5-1m1y 49d 16h 29m
14 Jun 2018 @ 204926m
14 Jun 2018 @ 2023<1m 37m
14 Jun 2018 @ 1946~46s 37m
14 Jun 2018 @ 1909~45s 22h 10m
13 Jun 2018 @ 205934m
13 Jun 2018 @ 2025~0.75m 7d 23h 57m
05 Jun 2018 @ 2028~0.5m 296d 6h 28m
13 Aug 2017 @ 1400 ? A11d 20h 6m
01 Aug 2017 @ 175418m
01 Aug 2017 @ 17361d 20h 35m
30 Jul 2017 @ 210110m
30 Jul 2017 @ 20519m
30 Jul 2017 @ 204238s 10m
30 Jul 2017 @ 203236s 9m
30 Jul 2017 @ 202333s 9m
30 Jul 2017 @ 2014~36s 9m
30 Jul 2017 @ 2005~42s 8m
30 Jul 2017 @ 19579m
30 Jul 2017 @ 194810m
30 Jul 2017 @ 19389m
30 Jul 2017 @ 192910m
30 Jul 2017 @ 19199m
30 Jul 2017 @ 19109m
30 Jul 2017 @ 19019m
30 Jul 2017 @ 18523d 21h 47m
26 Jul 2017 @ 21059m
26 Jul 2017 @ 20569m
26 Jul 2017 @ 204710m
26 Jul 2017 @ 203710m
26 Jul 2017 @ 202710m
26 Jul 2017 @ 20179m
26 Jul 2017 @ 20089m
26 Jul 2017 @ 19599m
26 Jul 2017 @ 19509m
26 Jul 2017 @ 1941~37s 10m
26 Jul 2017 @ 19319m
26 Jul 2017 @ 19229m
26 Jul 2017 @ 1913~32s 44d 12m
12 Jun 2017 @ 1901~0.5m 12m
12 Jun 2017 @ 1849~0.5m 11m
12 Jun 2017 @ 1838~0.5m 11m

Interval Statistics

Interval Count100
Min8m
Max1y 49d 16h 29m
Mean14d 22h 49m
Median34m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
17550 07 Jun 2021 @ 1239 07 Jun 2021 @ 1712 JSJ "East Tangled Geyser". All closed intervals: 56m, 59m, 49m, 63m, 45m. All a bit over 1 minute in duration. Filmed some of these. No other observed activity in the Tangled Group, except passive steaming from Orange Spring, Tonsils Spring, and Pair Geyser's pool.
17297 30 May 2021 @ 1239 30 May 2021 @ 2001 JSJ All closed intervals. Inclinometer readings of "East Tangled Geyser's" eruptions suggest that the highest water reaches 10 to 20 feet, perhaps >20 feet for the highest spikes.
17236 28 May 2021 @ 1300 28 May 2021 @ 1400 JSJ No eruptions. No activity at all in the Tangled Group - no Spire, no East Tangled, no Perpetuals Pool, no Tonsils, no Broken Coral, no Pair, no Mat, no blippers, no UNNGs near Tonsils Spring.
15544 12 Aug 2020 @ 1524 12 Aug 2020 @ 1754 JSJ All closed intervals.
15352 03 Aug 2020 @ 1051 03 Aug 2020 @ 1422 JSJ "East Tangled Geyser". All closed intervals. All eruptions about 0.75 to 1 minute in duration. No other activity in the Tangled Geysers Group - no Perpetuals Pool, no Spire, no Pair, no Mat Spring, no Broken Coral, nothing near Tonsils Spring, etc.
13005 03 Aug 2019 @ 1318 03 Aug 2019 @ 1642 JSJ "East Tangled Geyser". Nice to finally see it again. All closed intervals: 29m, 34m, 45m, 28m, 36m, 32m.
11718 10 Jun 2019 @ 1605 --- JSJ "East Tangled Geyser". Lightly steaming. No eruptions during 2 hours of observation (~1530 to ~1730). No activity at all in the Tangled Geysers Group, except for Perpetuals Pool.
11578 03 Jun 2019 @ 1758 03 Jun 2019 @ 2024 JSJ "East Tangled Geyser". No eruptions. No Tangled Geysers Group activity seen at all between these times, except Perpetuals Pool (low perpetual spouting), and a Pair Geyser eruption.
9690 12 Aug 2018 @ 1345 12 Aug 2018 @ 1720 JSJ No East Tangled Geyser eruptions.
9418 02 Aug 2018 @ 1721 02 Aug 2018 @ 1839 JSJ "East Tangled Geyser". No eruptions at all.
8401 01 Jun 2018 @ 1842 01 Jun 2018 @ 2022 JSJ No East Tangled Geyser eruptions at all this evening - first time I've ever seen it inactive.
4186 02 Jun 2017 @ 1849 02 Jun 2017 @ 2040 JSJ All UNNG-TGG-1 eruption times posted between 1849 and 2040 are closed intervals.
3460 09 Aug 2016 @ 1306 09 Aug 2016 @ 1552 JSJ All posted eruptions between these times are closed intervals.
2967 04 Jun 2016 @ 1928 04 Jun 2016 @ 2127 JSJ "East Tangled Geyser". I didn't catch every eruption this evening - not everything indicated here is a closed interval.
2953 02 Jun 2016 @ 1859 --- JSJ "East Tangled Geyser". Teaser spout (1-2 seconds long) at early 1859.
2952 02 Jun 2016 @ 1857 --- JSJ "East Tangled Geyser". Teaser spout (1-2 seconds long) at late 1857.
2074 09 Aug 2015 @ 1802 --- JSJ "East Tangled Geyser". Visible blipping from 1802 + 58s to ~mid-1803, with no immediate follow-up eruption.
1649 26 May 2015 @ 0545 26 May 2015 @ 1925 LynnS UNNG-TGG-1 was under observation from 0545 to 1925 with the exception of two 15 minute breaks. There was no evidence of eruptive activity during the time I had it under observation.
EntrySourceLinkComment
03 Aug 2020 @ 1051 JSJ https://www.youtube.com/watch?v=lmUKnPdDiA8 Clip 1 of this video compilation shows East Tangled Geyser's 10:51 to 10:52 AM eruption on 3 August 2020. The rest of the video shows other eruptions that day.
03 Aug 2019 @ 1506 JSJ https://www.youtube.com/watch?v=JUFNuqIA10I Clip 1 of this video compilation shows East Tangled Geyser's 3:06 to 3:07 PM eruption on 3 August 2019. The remaining 3 clips show other eruptions that afternoon.
Baseline does not exist.