Last Known Eruption
1h 21m ago

Latest Eruptions

Eruption DurationInterval
15 Jun 2025 @ 0859 wc12h 43m
14 Jun 2025 @ 2016 wc2d 3h 58m
12 Jun 2025 @ 16181d 49m
11 Jun 2025 @ 1528:073m 42s 1d 19h 50m
09 Jun 2025 @ 1938 ie8h 15m
09 Jun 2025 @ 1123 ie13h 1m
08 Jun 2025 @ 222214h 41m
08 Jun 2025 @ 074114h 21m
07 Jun 2025 @ 17203m 7s 10h 28m
07 Jun 2025 @ 0652 wc1d 37m
06 Jun 2025 @ 0615 ie wc1d 10h 19m
04 Jun 2025 @ 1956 wc9h 42m
04 Jun 2025 @ 10143m 16s 22h 1m
03 Jun 2025 @ 12133m 41s 1d 1h 39m
02 Jun 2025 @ 1034 ? ie18h 39m
01 Jun 2025 @ 15553m 29s 9h 21m
01 Jun 2025 @ 063410h 42m
31 May 2025 @ 19523m 47s 1d 6h 49m
30 May 2025 @ 13033m 47s 7h 32m
30 May 2025 @ 05313m 15s 13h 32m
29 May 2025 @ 15593m 39s 9h 36m
29 May 2025 @ 06233m 28s 10h 7m
28 May 2025 @ 20163m 38s 1d 7h 43m
27 May 2025 @ 12333m 26s 1d 1h 4m
26 May 2025 @ 11293m 17s 1d 19h 16m
24 May 2025 @ 16133m 42s 23h 58m
23 May 2025 @ 16153m 32s 22h 26m
22 May 2025 @ 17493m 32s 7h 51m
22 May 2025 @ 09583m 28s 1d 20h 5m
20 May 2025 @ 1353 ns2d 4h 41m
18 May 2025 @ 09121d 23h 35m
16 May 2025 @ 09372m 58s 1d 1h 27m
15 May 2025 @ 0810 wc12h 41m
14 May 2025 @ 19293m 18s 13h 31m
14 May 2025 @ 0558 wc1d 39m
13 May 2025 @ 0519 ie wc10h 26m
12 May 2025 @ 185311h 53m
12 May 2025 @ 0700 A16h 24m
11 May 2025 @ 14363m 10s 16h 27m
10 May 2025 @ 22091d 5h 6m
09 May 2025 @ 17033m 30s 1d 1h 54m
08 May 2025 @ 15093m 2s 22h 55m
07 May 2025 @ 16143m 45s 1d 8m
06 May 2025 @ 16063m 34s 1d 10h 14m
05 May 2025 @ 05523m 18s 21h 56m
04 May 2025 @ 07563m 45s 22h 10m
03 May 2025 @ 09464m 19h 1m
02 May 2025 @ 14454m 1d 32m
01 May 2025 @ 141320h 37m
30 Apr 2025 @ 17362d 7h 48m
28 Apr 2025 @ 094820h 58m
27 Apr 2025 @ 12501d 1h 21m
26 Apr 2025 @ 112919h 32m
25 Apr 2025 @ 15574m 1d 20h 50m
23 Apr 2025 @ 19077h 15m
23 Apr 2025 @ 115221h 52m
22 Apr 2025 @ 14001d 4h 59m
21 Apr 2025 @ 0901 ie wc16h 53m
20 Apr 2025 @ 16084m 2d 7h 49m
18 Apr 2025 @ 0819 ie wc1d 14h 0m
16 Apr 2025 @ 1819 wc3d 22h 18m
12 Apr 2025 @ 2001 wc12h 27m
12 Apr 2025 @ 0734 wc15d 33m
28 Mar 2025 @ 0701 ie wc22h 43m
27 Mar 2025 @ 0818 wc1d 23h 38m
25 Mar 2025 @ 0840 ie wc10d 3h 39m
15 Mar 2025 @ 0501 wc3d 20h 31m
11 Mar 2025 @ 0830 wc9d 22h 4m
01 Mar 2025 @ 092620h 5m
28 Feb 2025 @ 13211d 52m
27 Feb 2025 @ 12291d 3h 7m
26 Feb 2025 @ 0922 ie1d 1h 6m
25 Feb 2025 @ 0816 wc15h 53m
24 Feb 2025 @ 16231d 8h 10m
23 Feb 2025 @ 0813 wc14h 0m
22 Feb 2025 @ 1813 wc9h 16m
22 Feb 2025 @ 0857 wc1d 21h 40m
20 Feb 2025 @ 1117 wc3d 17h 7m
16 Feb 2025 @ 1810 wc9h 17m
16 Feb 2025 @ 0853 wc2d 15h 39m
13 Feb 2025 @ 1714 ie wc3d 4m
10 Feb 2025 @ 1710 wc7d 4m
03 Feb 2025 @ 1706 wc5d 1h 6m
29 Jan 2025 @ 1600 A4d 2h 17m
25 Jan 2025 @ 1343 ie wc10d 3h 25m
15 Jan 2025 @ 1018 ie wc1d 23h 10m
13 Jan 2025 @ 11081d 2h 54m
12 Jan 2025 @ 0814 wc2d 22h 21m
09 Jan 2025 @ 09532d 19h 52m
06 Jan 2025 @ 14011d 1h 53m
05 Jan 2025 @ 1208 wc1d 3h 24m
04 Jan 2025 @ 0844 wc~3m 21h 44m
03 Jan 2025 @ 1100 ie wc2d 23h 41m
31 Dec 2024 @ 11192d 21h 8m
28 Dec 2024 @ 1411 ie wc4d 5h 10m
24 Dec 2024 @ 09013m 29s 4d 16h 39m
19 Dec 2024 @ 1622 ie wc23h 37m
18 Dec 2024 @ 1645 ie wc1d 9h 21m
17 Dec 2024 @ 0724 ie wc2d 18h 20m
14 Dec 2024 @ 1304 A wc9d 22h 0m

Interval Statistics

Interval Count100
Min7h 15m
Max15d 33m
Mean1d 22h 14m
Median1d 1h 5m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
39810 12 Jun 2025 @ 0733 --- Suzanne post eruptive: in steam phase
39802 11 Jun 2025 @ 1415 --- Kyle gurgling and steaming lightly
39734 08 Jun 2025 @ 2106 --- Dan A Water pooling
39720 07 Jun 2025 @ 1553 --- Kyle light steam, gurgling. no splashing
39662 05 Jun 2025 @ 0748 --- SteveO Gurgling.
39649 04 Jun 2025 @ 0830 04 Jun 2025 @ 0839 SteveO Gurgling. 1st water seen at 0839.
39635 03 Jun 2025 @ 1026 03 Jun 2025 @ 1056 SteveO Lightly gurgling at 1026. 1st water seen at 1056.
39630 02 Jun 2025 @ 1240 --- SteveO About 1240 Uncertain started hucking water up increasing to quite frequent to almost constant. Then decreasing rapidly. Uncertain went to heavy steam but not forceful. Also could hear boiling at depth.
39621 02 Jun 2025 @ 1041 --- Dan A Gurgling and splashing
39619 01 Jun 2025 @ 1533 --- SteveO Gurgling and splashing.
39602 01 Jun 2025 @ 0509 01 Jun 2025 @ 0603 SteveO Gurgling. 1st water seen at 0603.
39580 31 May 2025 @ 1920 --- SteveO Gurgling. Pooling at 1942.
39531 30 May 2025 @ 1750 30 May 2025 @ 1813 SteveO Gurgling. 1st water seen at 1813.
39525 30 May 2025 @ 1124 --- SteveO Gurgling. Gurgling and splashing 1146.
39511 30 May 2025 @ 0451 30 May 2025 @ 0508 SteveO Gurgling. 1st water seen at 0508.
39465 29 May 2025 @ 1412 29 May 2025 @ 1418 SteveO Gurgling. 1st water seen at 1418.
39453 29 May 2025 @ 0514 29 May 2025 @ 0542 SteveO Gurgling. 1st water seen at 0542.
39445 28 May 2025 @ 1850 --- SteveO Gurgling and splashing.
39417 28 May 2025 @ 0503 --- SteveO Steaming heavily, post eruptive.
39397 27 May 2025 @ 1136 27 May 2025 @ 1229 SteveO Uncertain is gurgling. At 1229 Uncertain has stopped gurgling but steaming more. Appears to be lightly Bubbling pooling.
39370 26 May 2025 @ 0948 --- SteveO Gurgling and splashing. Twilight Spring has not draing yet.
39316 24 May 2025 @ 1522 --- SteveO gurgling and splashing
39261 22 May 2025 @ 1607 --- SteveO Gurgling and splashing.
39249 22 May 2025 @ 0918 --- SteveO Splashing.
39059 15 May 2025 @ 0830 --- rayceanderson Post eruptive
39052 14 May 2025 @ 1827 --- K.Cooper spitting
39010 12 May 2025 @ 1745 --- K.Cooper Gurglingm Small spitting. still very early in deep drain.
38989 11 May 2025 @ 1812 --- Graham Loud gurgling. Did not stay to see if it would erupt.
38983 11 May 2025 @ 1343 --- K.Cooper splashing
38908 09 May 2025 @ 1445 --- Dan A Splashing, group not in deep drain yet
38886 08 May 2025 @ 1413 --- rayceanderson Tiny splashing
38882 08 May 2025 @ 1357 --- K.Cooper gurgling. first splash 1412
38869 07 May 2025 @ 1529 --- K.Cooper splashing
38853 06 May 2025 @ 1504 --- K.Cooper splashing
38823 04 May 2025 @ 0719 --- K.Cooper first splash
38821 04 May 2025 @ 0706 --- K.Cooper gurgling
38770 03 May 2025 @ 2010 --- Graham Gurgling
38759 03 May 2025 @ 0857 --- Dan A Nice splashing
38757 03 May 2025 @ 0849 --- Dan A Frequent decent splashes
38751 02 May 2025 @ 1434 --- Dan A Water pooling and bubbling in vent
38750 02 May 2025 @ 1358 --- Dan A Gurgling
38729 01 May 2025 @ 1354 --- rayceanderson Splashing
38717 30 Apr 2025 @ 1711 --- Graham Gurgling with small splashes.
38689 29 Apr 2025 @ 1314 --- Graham Splashing has just stopped. This is the first observed deep drain that has not resulted in an Uncertain eruption this season.
38688 29 Apr 2025 @ 1159 --- Dan A Splashing
38681 28 Apr 2025 @ 0836 --- Graham Gurgling
38654 27 Apr 2025 @ 1108 --- Graham Gurgling
38632 26 Apr 2025 @ 1034 --- Graham Gurgling quietly. 1120 gurgling a bit better but no splashes. Then had several rises with splashing and erupted 9m later.
38598 23 Apr 2025 @ 1724 --- Graham Gurgling. 1807 small splashes.
38574 22 Apr 2025 @ 1255 --- Graham Gurgling. 1304 small splashes. 1345 improved to good splashing.
38485 18 Apr 2025 @ 1732 --- Graham Gurgling
38341 01 Mar 2025 @ 0908 --- K.Cooper splashing
38327 27 Feb 2025 @ 1159 --- K.Cooper splashing
38309 24 Feb 2025 @ 1604 --- K.Cooper splashing
38186 10 Jan 2025 @ 1240 --- Graham Splashing died down. Still gurgling.
38182 10 Jan 2025 @ 0820 --- Graham Gurgling
38175 09 Jan 2025 @ 0806 --- Graham Gurgling
38163 06 Jan 2025 @ 1322 --- Graham Gurgling. 1350 small splashes.
38150 04 Jan 2025 @ 1545 --- Graham Noisy gurgling just after Sawmill quit. Not in a deep drain. 1550 splashing. 1630 not seeing splashes now but it's still gurgling. Giving up on it.
38149 04 Jan 2025 @ 1359 --- Graham Splashing. Did not erupt.
38121 31 Dec 2024 @ 1029 --- K.Cooper light gurgling
38104 26 Dec 2024 @ 1002 --- K.Cooper weak splashing
38058 21 Dec 2024 @ 1055 --- K.Cooper Post eruptive 😕
37967 04 Dec 2024 @ 1506 --- minissa Dual with Sawmill. I now see how far to the left Uncertain is from this angle.
37960 29 Nov 2024 @ 1226 --- minissa It's erupting from the right place but is being a little "spasmodic" alternating small bursts with taller. I'd like a confirm. It sure isn't Sawmill. Edit: OK, Sawmill. It still looks like it's erupting from a vent way to the left (from wc perspective) within the crater and is small to middling. Well,this is why I wanted a confirm!
37609 17 Oct 2024 @ 0840 --- SantaFe108 Good splashing.
37594 16 Oct 2024 @ 1204 --- K.Cooper post eruptive
37582 15 Oct 2024 @ 1313 --- K.Cooper splashing
37546 13 Oct 2024 @ 1155 13 Oct 2024 @ 1211 Ben VL Gurgling. 1208 spit seen. Died down after. No uncertain this deep drain.
37429 07 Oct 2024 @ 0940 --- aferrara noisily gurgling and splashing up
37407 05 Oct 2024 @ 0849 --- Graham Activity stopped just after Sawmill started. Maybe it will resume? Twilight is still not full.
37406 05 Oct 2024 @ 0836 --- Graham Gurgling and splashing
37395 04 Oct 2024 @ 1439 04 Oct 2024 @ 1508 Ben VL Splashing from what seems to be a low water level. Group in deep drain. 1443 huge splash. 1446 huge splash. 1451 nice series of splashes. 1452 excellent splash. 1454 splash series. 1508 nice series of splashes after a bit of a break. Quit splashing after Sawmill started.
37338 03 Oct 2024 @ 0700 --- Graham Gurgling. 0721 splashing nicely.
37336 02 Oct 2024 @ 1901 --- Graham Gurgling
37327 02 Oct 2024 @ 0835 --- Graham Drifting post eruptive light steam
37305 01 Oct 2024 @ 0950 --- Dan A Pooling water has vanished and uncertain is back to gurgling
37304 01 Oct 2024 @ 0937 --- Dan A Water pooling
37302 01 Oct 2024 @ 0913 --- Ben VL Gurgling
37287 30 Sep 2024 @ 1848 --- Dan A Water pooling
37264 29 Sep 2024 @ 1900 --- Ben VL Splashing. Group is in the wrong part of the cycle... Sawmill & Tardy high, Twilight in overflow, Spasmodic high, Penta pools high. Weird. 1913 very large splash 1920 Spasmodic has quit, water levels dropping in sawmill, tardy & penta. Uncertain gurgling has subsided.
37186 27 Sep 2024 @ 0843 --- Dan A Lightly gurgling
37092 20 Sep 2024 @ 1607 --- Graham Quit splashing.
37084 20 Sep 2024 @ 0743 20 Sep 2024 @ 0807 SteveO Lightly gurgling. Twilight Spring has not drained. 1st water seen 0807.
37064 19 Sep 2024 @ 1355 --- SteveO Lightly gurgling.
37036 18 Sep 2024 @ 0927 18 Sep 2024 @ 1002 SteveO 0927 Lightly gurgling. 1002 bubbling and splashing.
37022 17 Sep 2024 @ 1144 --- Graham Gurgling
37007 16 Sep 2024 @ 0850 --- SteveO Lightly gurgling.
36987 15 Sep 2024 @ 1250 --- SteveO Gurgling and splashing at the end of Sawmill long eruption.
36970 14 Sep 2024 @ 0820 --- SteveO Gurgling lightly.
36955 13 Sep 2024 @ 1130 --- SteveO 1st spit of water seen.
36953 13 Sep 2024 @ 1054 --- SteveO Lightly gurgling.
36938 12 Sep 2024 @ 1431 --- SteveO Lightly gurgling.
36935 12 Sep 2024 @ 1337 --- SteveO Lightly steaming.
36903 11 Sep 2024 @ 1422 --- SteveO Gurgling and splashing from down low.
36896 11 Sep 2024 @ 0734 --- SteveO Appears to be post eruption, puffing steam. Twilight 3" down.
36895 11 Sep 2024 @ 0649 --- JarnoO (wc) Seen steaming immediately after Sawmill quit. Still doing so as of 0730
36890 10 Sep 2024 @ 1930 --- Dan A Splashing
36884 10 Sep 2024 @ 0948 --- SteveO Gurgling and spitting.
36883 10 Sep 2024 @ 0845 --- SteveO Lightly puffing steam, no visible water.
Baseline does not exist.