Last Known Eruption
3d 19h 21m ago

Latest Eruptions

Eruption DurationInterval
17 May 2024 @ 1112 wc1m 24s 18h 1m
16 May 2024 @ 1711 ie wc5d 6h 47m
11 May 2024 @ 10243m 18s 5d 22h 59m
05 May 2024 @ 1125 ie42d 22h 22m
23 Mar 2024 @ 1303 ie wc112d 22h 55m
01 Dec 2023 @ 1308 wc22h 53m
30 Nov 2023 @ 1415 ie wc1d 22h 11m
28 Nov 2023 @ 1604 wc5d 7h 30m
23 Nov 2023 @ 0834 wc13d 20h 11m
09 Nov 2023 @ 1223 ie wc1d 21h 18m
07 Nov 2023 @ 1505 A wc8d 14h 58m
30 Oct 2023 @ 0107 wc7d 13h 35m
22 Oct 2023 @ 11321d 19h 7m
20 Oct 2023 @ 1625 ie1d 2h 11m
19 Oct 2023 @ 1414 wc2d 4h 19m
17 Oct 2023 @ 0955 A1d 14h 22m
15 Oct 2023 @ 1933 A2d 7h 32m
13 Oct 2023 @ 1201~3m 1d 22h 23m
11 Oct 2023 @ 13385d 2h 47m
06 Oct 2023 @ 1051~3m 2d 23h 28m
03 Oct 2023 @ 1123 wc4m 14d 3h 12m
19 Sep 2023 @ 0811 wc4m 2d 19h 11m
16 Sep 2023 @ 13003m 50s 3d 5h 23m
13 Sep 2023 @ 0737 wc>2m 15d 13h 11m
28 Aug 2023 @ 18265m 1d 11h 28m
27 Aug 2023 @ 06583m 1d 11h 12m
25 Aug 2023 @ 1946 ie wc4d 1h 53m
21 Aug 2023 @ 1753 wc3m 2d 19h 11m
18 Aug 2023 @ 22422d 8h 56m
16 Aug 2023 @ 1346 ns14h 36m
15 Aug 2023 @ 2310 A14d 15h 57m
01 Aug 2023 @ 07134d 8h 14m
27 Jul 2023 @ 2259~3m 16d 4h 39m
11 Jul 2023 @ 18202m 45s 1d 7h 28m
10 Jul 2023 @ 10526d 21h 1m
03 Jul 2023 @ 13513m 8s 5d 3h 28m
28 Jun 2023 @ 10235d 19h 39m
22 Jun 2023 @ 14443m 21s 3d 7h 17m
19 Jun 2023 @ 072722h 0m
18 Jun 2023 @ 09274m 10s 2d 19h 37m
15 Jun 2023 @ 1350 A8d 23h 54m
06 Jun 2023 @ 13563m 1d 4h 19m
05 Jun 2023 @ 09373m 22s 9d 21h 53m
26 May 2023 @ 11443m 35s 23h 49m
25 May 2023 @ 1155 ie20d 23h 25m
04 May 2023 @ 1230 ie321d 18h 59m
16 Jun 2022 @ 1731 wc303d 2h 42m
17 Aug 2021 @ 144913d 36m
04 Aug 2021 @ 1412:40 ie4d 2h 46m
31 Jul 2021 @ 1126~3m 4y 251d 24m
23 Nov 2016 @ 1002 ? wc~2.5m 7d 21h 59m
15 Nov 2016 @ 1203 ? wc8d 22h 37m
06 Nov 2016 @ 132617d 19h 14m
19 Oct 2016 @ 1912 ? wc~4m 3d 12h 46m
16 Oct 2016 @ 06263m 1d 12h 31m
14 Oct 2016 @ 17551d 51m
13 Oct 2016 @ 17041d 2h 30m
12 Oct 2016 @ 14343m 2d 4h 55m
10 Oct 2016 @ 09393m 6d 21h 51m
03 Oct 2016 @ 1148 ? wc~4.5m 2d 19h 31m
30 Sep 2016 @ 16173d 20h 23m
26 Sep 2016 @ 1954 ? wc2d 9h 18m
24 Sep 2016 @ 103623h 9m
23 Sep 2016 @ 11271d 2h 36m
22 Sep 2016 @ 085115h 53m
21 Sep 2016 @ 1658 ns3d 10h 8m
18 Sep 2016 @ 0650 wc10h 30m
17 Sep 2016 @ 2020 ? wc~3m 6d 8h 27m
11 Sep 2016 @ 11539d 1h 14m
02 Sep 2016 @ 10398d 17h 4m
24 Aug 2016 @ 17353m 1d 7h 6m
23 Aug 2016 @ 102916h 36m
22 Aug 2016 @ 17533m 23h 46m
21 Aug 2016 @ 18072d 4h 43m
19 Aug 2016 @ 13243m 17h 27m
18 Aug 2016 @ 19571d 6h 44m
17 Aug 2016 @ 13132d 6h 22m
15 Aug 2016 @ 065118h 51m
14 Aug 2016 @ 12003m 6d 20h 52m
07 Aug 2016 @ 1508 wc2d 1h 11m
05 Aug 2016 @ 13571d 1h 7m
04 Aug 2016 @ 12503d 16h 44m
31 Jul 2016 @ 2006 ie1d 6h 41m
30 Jul 2016 @ 1325 ie1d 21h 2m
28 Jul 2016 @ 1623 ie1d 22h 35m
26 Jul 2016 @ 17483m 3d 23h 6m
22 Jul 2016 @ 18423d 6h 46m
19 Jul 2016 @ 1156 ns3d 2h 39m
16 Jul 2016 @ 091713h 55m
15 Jul 2016 @ 19223d 7h 28m
12 Jul 2016 @ 1154 wc1d 18h 54m
10 Jul 2016 @ 1700 ie wc10h 7m
10 Jul 2016 @ 06533d 10h 28m
06 Jul 2016 @ 20253m 30s 9h 48m
06 Jul 2016 @ 10373m 4d 23h 11m
01 Jul 2016 @ 11261d 21h 58m
29 Jun 2016 @ 13288d 2h 52m
21 Jun 2016 @ 1036 ie11d 50m
10 Jun 2016 @ 09461d 13h 45m
08 Jun 2016 @ 20011d 13h 10m

Interval Statistics

Interval Count100
Min9h 48m
Max4y 251d 24m
Mean29d 17m
Median2d 19h 34m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
34519 11 May 2024 @ 0945 --- Tara low, consistent splashing
34306 22 Apr 2024 @ 0635 22 Apr 2024 @ 0728 JarnoO (wc) First observed steaming 0635, with Sawmill still ie from 0358 (given behavior of surrounding geysers, Sawmill probably quit and restarted during the Old Faithful wait). It got noticeably stronger immediately after Sawmill quit late 0704, especially 0710-0714-ish. Only the occasional puff visible as of 0728.
33884 19 Jan 2024 @ 1549 --- K.Cooper light gurgling
32254 06 Dec 2023 @ 1454 --- aferrara gurgling and splashing a bit
29215 29 Oct 2023 @ 1500 --- SantaFe108 Audibly gurgling and spitting droplets.
28777 14 Oct 2023 @ 1645 --- Ben VL Gurgling and splashing
28751 13 Oct 2023 @ 1150 --- Ben VL Water level bobbing up and down and boiling.
28736 11 Oct 2023 @ 1530 --- Ben VL Still forced steam from the vent from the 1338 eruption. Just as strong as an hour ago.
28612 03 Oct 2023 @ 0930 --- aferrara Gurgling
28606 02 Oct 2023 @ 1537 --- JarnoO (wc) Emitting thick steam and rapidly diminishing half a minute later. Maybe an eruption happened while the cam was on the Hill?
28516 27 Sep 2023 @ 1608 --- Graham Nice splashes above the rim. Best splashes 1624 just after Sawmill started. Better 1626 and 1628. Then weakening as Sawmill keeps going. 1636 stronger again. 1644 no more splashing?
28489 26 Sep 2023 @ 1847 --- User34 Chugging at depth, one droplet over the rim. Starting to get more water and then murdered by Sawmill
28469 25 Sep 2023 @ 1404 --- Graham Sudden activity with some nice big splashes.
28410 22 Sep 2023 @ 0920 --- Tara Sawmill quit fairly recently, Twilight down. Uncertain quiet and lightly steaming
28328 18 Sep 2023 @ 0717 --- Micah Kipple Continued gurgling and some Spits above the surface.
28327 18 Sep 2023 @ 0652 --- Micah Kipple Gurgling and steaming loudly. No visible splashes
28280 16 Sep 2023 @ 1250 --- Ben VL Gurgling and splashing
28242 13 Sep 2023 @ 0800 --- K.Cooper aggressive steam
28239 12 Sep 2023 @ 1945 --- Ben VL Gurgling and splashing
28184 10 Sep 2023 @ 0905 --- SteveO Gurgling and splashing.
28140 09 Sep 2023 @ 0927 --- Graham Splashing
28137 09 Sep 2023 @ 0847 --- SteveO Gurgling and steaming.
28107 08 Sep 2023 @ 0732 08 Sep 2023 @ 0739 SteveO Gurgling. 1st spit of water seen at 0739.
28098 07 Sep 2023 @ 1729 --- Graham Splashing quite nicely. 1805 no longer splashing or gurgling.
28059 06 Sep 2023 @ 1553 --- Ben VL Gurgling with splashes
28048 06 Sep 2023 @ 0628 --- SteveO Steaming heavy.
27997 04 Sep 2023 @ 1124 --- SteveO Gurgling, bubbling and splashing.
27906 01 Sep 2023 @ 1517 01 Sep 2023 @ 1628 SteveO Lightly steaming. 1st spit of water seen at 1628.
27892 01 Sep 2023 @ 0633 --- JimS Slight steam
27885 31 Aug 2023 @ 1404 --- SteveO Uncertain is gurgling, bubbling and splashing.
27874 31 Aug 2023 @ 0615 --- JimS Dead quiet
27864 30 Aug 2023 @ 1029 --- SteveO 1st droplet of water seen in Uncertain. Barely hear Uncertain gurgling over the wind.
27854 29 Aug 2023 @ 1921 --- JarnoO (wc) Looks post-eruptive. Steam slowly diminishing and appears to have wet ground surrounding it.
27836 28 Aug 2023 @ 1816 --- SteveO Bubbling and gurgling.
27823 28 Aug 2023 @ 0914 --- SteveO Gurgling, bubbling and splashing.
27801 27 Aug 2023 @ 0647 --- JimS Splashing
27652 17 Aug 2023 @ 0707 --- JimS Lightly steaming and gurgling at depth
27370 01 Aug 2023 @ 0652 --- JimS Splashing
27210 25 Jul 2023 @ 0616 --- JimS Light steam, gurgling at depth
27160 23 Jul 2023 @ 1254 --- Tara gurgling, a few small splashes
27107 18 Jul 2023 @ 0600 --- JimS Steaming lightly
27097 17 Jul 2023 @ 1801 --- mhreed Grumbling. Water levels low in Sawmill Group.
27092 17 Jul 2023 @ 0554 --- JimS Light steam with gurgling at depth
27085 16 Jul 2023 @ 0909 --- mhreed Happy gurgling.
27040 13 Jul 2023 @ 0536 --- JimS Steaming and gurgling at depth
27016 12 Jul 2023 @ 0552 --- JimS Splashing
27004 11 Jul 2023 @ 0649 --- dandersen Splashing and gurgling
27002 11 Jul 2023 @ 0539 --- JimS Light steam and gurgling at depth
26955 09 Jul 2023 @ 0601 --- JimS Light steam, gurgling at depth
26808 03 Jul 2023 @ 1320 --- Ben VL Nicely gurgling and splashing. 1336 good series of cone filling splashes. 1341 nice large splash
26768 01 Jul 2023 @ 1307 --- Ben VL Splashing, sometimes over a foot.
26758 01 Jul 2023 @ 0538 --- JimS Steaming and gurgling at depth
26740 30 Jun 2023 @ 0551 --- JimS Gurgling at depth
26709 28 Jun 2023 @ 0947 --- Graham Splashing. 1021 really good series of high pool splashes.
26607 23 Jun 2023 @ 0549 --- JimS Steaming and gurgling at depth
26592 22 Jun 2023 @ 1357 --- Forestbewithyou Occasional Splashing. Sawmill is on
26586 22 Jun 2023 @ 0614 --- JimS Light steam, gurgling at depth
26486 20 Jun 2023 @ 0628 --- JimS Splashing
26456 19 Jun 2023 @ 0719 --- JimS Splashing
26369 16 Jun 2023 @ 1817 --- Craigmon99 Steaming and gurgling with small splashes 1839 still splashing and gurgling
26328 15 Jun 2023 @ 0556 --- JimS Steaming. No splashing
26323 14 Jun 2023 @ 2012 --- bhoppe audible gurgling
26277 13 Jun 2023 @ 0714 --- Graham Splashing nicely. Still gurgling, but from depth 0855. 1000 quiet gurgling.
26152 08 Jun 2023 @ 0911 --- Graham Gurgling. 0923 small splashes visible.
26038 05 Jun 2023 @ 0602 --- SteveO Uncertain spitting and bubbling water.
25947 01 Jun 2023 @ 1300 01 Jun 2023 @ 1351 SteveO Uncertain is gurgling. 1st spit of water seen in Uncertain at 1350.
25907 30 May 2023 @ 1138 --- Graham Gurgling and splashing.
25879 29 May 2023 @ 0805 29 May 2023 @ 0832 User34 Splashing frequently at times but not improving. Twilight refilling into shallow area
25837 28 May 2023 @ 0713 --- Graham Noisy gurgling. Did not progress.
25797 26 May 2023 @ 1115 --- SteveO Uncertain small bubbling and splashes, Twilight Spring drained out of sight, Sawmill is ie.
25700 22 May 2023 @ 1458 --- mhvogel Several small splashes
25590 20 May 2023 @ 1538 --- SantaFe108 Gurgling.
25501 17 May 2023 @ 1846 --- Tara gurgling with visibe splashes
25497 17 May 2023 @ 1700 --- Graham Gurgling with small splashes.
25495 17 May 2023 @ 1035 --- Graham Gurgling and near continuous splashing. 1100 Spasmodic quit recently. Uncertain still gurgling but no more visible splashing. 1124 no more gurgling.
25434 14 May 2023 @ 1729 --- User34 Spitting
25395 13 May 2023 @ 1035 --- Tara audible light gurgling, visible splashes at 1040
25277 30 Apr 2023 @ 1041 30 Apr 2023 @ 1106 User34 Splashing, better than this morning and ejecting more water, but died down again
25273 30 Apr 2023 @ 0655 30 Apr 2023 @ 0810 User34 Splashing, almost like Slurp at times but never overflowed, and then gradually died over the following hour
25240 24 Apr 2023 @ 1817 --- DanS Steaming and gurgling
25205 22 Apr 2023 @ 1029 22 Apr 2023 @ 1043 DanS Gurgling and steaming but no water seen
24913 16 Jan 2023 @ 0739 --- Graham Gurgling and steaming during deep drain.
24857 09 Jan 2023 @ 1400 --- Graham Steaming and gurgling
22343 05 Jul 2022 @ 1923 --- deanl steaming, looks post-eruptive to me. Maybe we ARE getting it occasionally. Twilight is about half way up recovering from a deep drain. Sawmill on
21345 17 May 2022 @ 1743 --- Graham Gurgling and still steaming now. 1823 lost its steam when Sawmill drained after Spasmodic quit.
21344 17 May 2022 @ 1715 --- Graham Steaming.
20711 17 Jan 2022 @ 0750 --- Graham Gurgling and steaming.
20687 14 Jan 2022 @ 0830 --- Graham Some light steam from the vent
20683 13 Jan 2022 @ 1735 --- Graham Even though the group went into a deep drain and other geysers erupted, I saw no steam or water in Uncertain up to ~1.5h after Sawmill must have quit. Then I had to leave due to lack of light.
19128 28 Aug 2021 @ 1808 --- User34 Splashing occasionally
18734 30 Jul 2021 @ 0603 --- JimS Light steaming.
18647 25 Jul 2021 @ 0644 25 Jul 2021 @ 0930 SteveO Uncertain lightly gurgling and puffing steam. Noise got louder for a while but no visible water seen. Left the area at 0930, no eruption.
18625 24 Jul 2021 @ 1515 24 Jul 2021 @ 1740 SteveO Lightly gurgling at 1515. Gurgling became noisy for a little while and puffing steam. No water visible during this sit. Uncertain quiet when I left at 1740
18620 24 Jul 2021 @ 0831 24 Jul 2021 @ 0854 SteveO lightly steaming, 0835 1st gurgling. 0842 1 splash of water.
18602 23 Jul 2021 @ 1015 --- SteveO Lightly steaming.
18587 22 Jul 2021 @ 1215 22 Jul 2021 @ 1700 SteveO Light steam and brief light gurgling, no eruption.
18544 20 Jul 2021 @ 0824 20 Jul 2021 @ 1600 SteveO Started gurgling and 1st water seen. Last splash of water seen at 1140 duringSawmill eruption. Continued puff steam and gurgling during and after Sawmill stopped. Sawmill duration 3h53m. 1314 1st splash of water seen in Uncertain after Sawmill ended. Very little splashing and the last splash seen at 1452 during short Sawmill. Gurgling and puffing steam continued, started to taper off at 1545. Mostly quiet by 1600. Twilight Spring almost filled. Left area at 1600.
18480 17 Jul 2021 @ 1715 --- SteveO Twilight Spring almost to overflow after the deep drain, Uncertain quiet and barely steaming. No Uncertain this deep drain.
18458 16 Jul 2021 @ 1827 16 Jul 2021 @ 1950 SteveO Uncertain gurgling and spitting water. Sawmill water about mid level.Noise continued to get better for a while as did the water. Sawmill drained out of sight at 1850. Noise started decreasing and water disappeared. 1950 Sawmill water about mid level again. 1950 Twilight Spring started overflowing. Leaving the area.
18450 16 Jul 2021 @ 0915 --- SteveO Twilight Spring almost to overflow after deep drain. Uncertain lightly steaming, no gurgling or puffing steam.
Baseline does not exist.