Last Known Eruption
30d 11h 14m ago

Latest Eruptions

Eruption DurationInterval
21 Oct 2024 @ 2038 ie10d 14h 25m
11 Oct 2024 @ 061314h 52m
10 Oct 2024 @ 1521 ie4d 22h 57m
05 Oct 2024 @ 1624 ns2h 52m
05 Oct 2024 @ 1332 ns~1h 23m 2h 36m
05 Oct 2024 @ 10561h 13m 2h 12m
05 Oct 2024 @ 0844 ie1d 46m
04 Oct 2024 @ 0758 ie19h 53m
03 Oct 2024 @ 1205 ie1d 22h 1m
01 Oct 2024 @ 1404 ie2h 46m
01 Oct 2024 @ 11181d 4h 6m
30 Sep 2024 @ 0712 ie1d 2m
29 Sep 2024 @ 0710 ie23h 25m
28 Sep 2024 @ 0745 ie1d 23h 16m
26 Sep 2024 @ 0829 ie21h 3m
25 Sep 2024 @ 1126 ie16h 54m
24 Sep 2024 @ 1832 ie8h 56m
24 Sep 2024 @ 0936 ie16h 35m
23 Sep 2024 @ 1701 ie8h 4m
23 Sep 2024 @ 0857 ie2d 19h 10m
20 Sep 2024 @ 1347 ie4h 18m
20 Sep 2024 @ 09291d 39m
19 Sep 2024 @ 0850 ns18h 27m
18 Sep 2024 @ 1423 ie2h 10m
18 Sep 2024 @ 1213 ie1d 2h 7m
17 Sep 2024 @ 1006 ie19h 54m
16 Sep 2024 @ 1412 ie5h 22m
16 Sep 2024 @ 085022h 34m
15 Sep 2024 @ 1016 ie1d 19h 2m
13 Sep 2024 @ 1514 ie22h 45m
12 Sep 2024 @ 1629 ie2h 5m
12 Sep 2024 @ 1424 ie2d 2h 21m
10 Sep 2024 @ 12032d 17h 23m
07 Sep 2024 @ 1840 ie9h 0m
07 Sep 2024 @ 09402h 53m
07 Sep 2024 @ 064716h 52m
06 Sep 2024 @ 1355 ns~1h 23m 1h 55m
06 Sep 2024 @ 120018h 14m
05 Sep 2024 @ 17462h 11m
05 Sep 2024 @ 1535 ie5h 0m
05 Sep 2024 @ 1035 ie17h 13m
04 Sep 2024 @ 1722 ie15m
04 Sep 2024 @ 1707 ie1d 2h 7m
03 Sep 2024 @ 1500 ie>4h 38m
03 Sep 2024 @ 1022 ie2h 14m
03 Sep 2024 @ 0808 ns1d 13h 26m
01 Sep 2024 @ 1842 ns1h 19m
01 Sep 2024 @ 1723 ie22h 53m
31 Aug 2024 @ 1830 ie2h 9m
31 Aug 2024 @ 1621 ie8h 57m
31 Aug 2024 @ 0724 ns13h 29m
30 Aug 2024 @ 1755 ie2h 53m
30 Aug 2024 @ 1502 ie1d 19h 41m
28 Aug 2024 @ 19218d 10m
20 Aug 2024 @ 191126d 12h 40m
25 Jul 2024 @ 0631 ie12d 18h 2m
12 Jul 2024 @ 1229 ns1d 23h 23m
10 Jul 2024 @ 1306 ie2h 26m
10 Jul 2024 @ 10404h 17m
10 Jul 2024 @ 0623 ie20h 31m
09 Jul 2024 @ 0952 ie1d 1h 17m
08 Jul 2024 @ 083515d 16h 18m
22 Jun 2024 @ 1617 ns1d 17h 31m
20 Jun 2024 @ 2246 ie1d 6h 10m
19 Jun 2024 @ 16366d 5h 19m
13 Jun 2024 @ 11171d 23h 39m
11 Jun 2024 @ 1138 ie14h 0m
10 Jun 2024 @ 21381h 26m
10 Jun 2024 @ 2012 ie29m
10 Jun 2024 @ 194313h 53m
10 Jun 2024 @ 0550 ie14h 48m
09 Jun 2024 @ 1502 ie9h 6m
09 Jun 2024 @ 0556 ie11h 19m
08 Jun 2024 @ 1837 ns1h 11m
08 Jun 2024 @ 1726 ie7h 7m
08 Jun 2024 @ 10192h 4m
08 Jun 2024 @ 0815 ie14h 16m
07 Jun 2024 @ 1759 ie3h 35m
07 Jun 2024 @ 14242h 34m
07 Jun 2024 @ 1150 ie5h 31m
07 Jun 2024 @ 0619 ie14h 17m
06 Jun 2024 @ 1602~3h 45m 2h 48m
06 Jun 2024 @ 13141h 18m 1h 59m
06 Jun 2024 @ 1115 ie5h 48m
06 Jun 2024 @ 0527 ie11h 11m
05 Jun 2024 @ 18161h 54m
05 Jun 2024 @ 1622 ie5h 52m
05 Jun 2024 @ 1030 ie14h 2m
04 Jun 2024 @ 2028 ns6h 25m
04 Jun 2024 @ 1403 ie2h 3m
04 Jun 2024 @ 1200 ie1h 6m
04 Jun 2024 @ 1054 ie4h 53m
04 Jun 2024 @ 0601 ns21h 1m
03 Jun 2024 @ 0900 ie3h 33m
03 Jun 2024 @ 0527 ie13h 29m
02 Jun 2024 @ 1558 ns2h 26m
02 Jun 2024 @ 13321h 1m 4h 55m
02 Jun 2024 @ 08372h 39m
02 Jun 2024 @ 0558 ie23h 48m
01 Jun 2024 @ 0610 ie10h 50m

Interval Statistics

Interval Count100
Min15m
Max26d 12h 40m
Mean1d 10h 19m
Median13h 29m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
37543 13 Oct 2024 @ 1040 --- K.Cooper no visible water
37090 20 Sep 2024 @ 1407 --- Graham Quit now.
37023 17 Sep 2024 @ 1147 --- Graham Quit now
36988 15 Sep 2024 @ 1257 --- Graham Quit now. Chance for Penta Mixed Phase coming up.
36950 13 Sep 2024 @ 1032 --- SteveO Not in eruption.
36790 06 Sep 2024 @ 1002 --- SteveO End at 1003.
35828 10 Jul 2024 @ 1147 --- Delta4Heavy85 Quit Now
35807 09 Jul 2024 @ 0813 --- Delta4Heavy85 Quiet, Group in Deep drain
35251 16 Jun 2024 @ 1343 --- Craigmon99 Rising quickly. Start up sequence engage
35168 13 Jun 2024 @ 1113 13 Jun 2024 @ 1115 Forestbewithyou It appears bubble shower vent is on. Some splashing from parasite vent but more like convective bubbling. Not a ton of splashing from parasite. 11:15 Parasite started having a roiling boil that reached a couple feet high. Bubble shower turned off
34888 04 Jun 2024 @ 1225 --- SantaFe108 End of eruption.
34730 28 May 2024 @ 1227 --- SteveO End at 1227.
34287 21 Apr 2024 @ 0936 --- SantaFe108 Start of overflow, not erupting yet.
34219 19 Apr 2024 @ 1715 --- SantaFe108 Shut off now.
28584 30 Sep 2023 @ 1620 --- Graham Not ie. Sawmill ie and group in deep drain.
28579 30 Sep 2023 @ 1124 --- Graham Off by 1124.
28543 29 Sep 2023 @ 1905 --- Graham End time.
28513 27 Sep 2023 @ 1410 --- Graham End time. Twilight still has water.
28392 21 Sep 2023 @ 1642 --- Graham Quit just before reaching overflow
28385 21 Sep 2023 @ 1148 --- Graham Not ie, Twilight down, Sawmill ie. Oval down deep and splashing.
28364 20 Sep 2023 @ 1330 --- Graham Off between 1316 and 1330. Group going into deep drain when Sawmill quits.
28332 18 Sep 2023 @ 1942 --- Graham End time
28320 18 Sep 2023 @ 1056 --- Graham Quit between 1036 and 1056. going into deep drain.
28238 12 Sep 2023 @ 1742 --- Graham End time
28029 05 Sep 2023 @ 0830 --- Graham End time.
28004 04 Sep 2023 @ 1546 --- Graham Quit now.
27362 31 Jul 2023 @ 2030 --- Brian In overflow
27319 30 Jul 2023 @ 0636 --- JimS Empty and steaming
26474 19 Jun 2023 @ 1845 --- Craigmon99 Beginning to drop
26335 15 Jun 2023 @ 1106 --- Craigmon99 Entering deep drain. Sawmill still ie
26271 12 Jun 2023 @ 1446 --- Graham Quit now.
26170 08 Jun 2023 @ 1625 --- Graham Quit now.
26095 06 Jun 2023 @ 1905 --- Graham Didn't drain much and back vent is doing light splashes from depth.
25672 21 May 2023 @ 1619 --- Graham Quit now. Water rose in Penta, Oval, and Spasmodic after Sawmill quit which was odd.
25345 06 May 2023 @ 1726 --- SantaFe108 Ended before this time.
25321 04 May 2023 @ 2019 --- Ajw Very strong boiling action in all 3 pools. Water also shooting out of 11 little vents towards the front of the left pool.
25283 30 Apr 2023 @ 1258 --- SantaFe108 Off before this time.
25256 27 Apr 2023 @ 1335 27 Apr 2023 @ 1410 DanS From high pool had at least 8 failed start attempts from various vents during Tardy long eruption. Thumping Hole was ie the entire time.
24920 16 Jan 2023 @ 1220 --- Graham Quit about now. Almost got to overflow.
24898 14 Jan 2023 @ 1319 --- Graham Quit about now.
24891 14 Jan 2023 @ 0812 --- Graham Looks like it overflowed earlier as there is no fresh snow in the runoff channel. 0759 still ie, both pools high and calm. Quit 0812.
24881 12 Jan 2023 @ 1539 --- Graham Quit recently.
24849 08 Jan 2023 @ 1639 --- Graham Quit now
24427 16 Oct 2022 @ 1712 --- SantaFe108 End of eruption.
24175 01 Oct 2022 @ 0745 --- Graham Recently quit. Sawmill still ie. Twilight dropping.
24154 29 Sep 2022 @ 0742 --- Graham End time
24011 22 Sep 2022 @ 1920 22 Sep 2022 @ 1935 CrisG playing from back vents only on arrival. by 1935, pools had drained
23997 22 Sep 2022 @ 1159 --- Graham End time.
23990 21 Sep 2022 @ 1057 --- Betty Almost all vents are empty
23873 16 Sep 2022 @ 1931 --- Graham Off before now.
23856 16 Sep 2022 @ 1128 --- Graham Quit at this time.
23844 15 Sep 2022 @ 1720 --- Graham Quit at this time.
23814 14 Sep 2022 @ 1054 --- Graham Quit at this time.
23793 13 Sep 2022 @ 1457 --- Graham Quit at this time.
23784 13 Sep 2022 @ 0650 --- Graham Looked ie but then off 0652. Nay have just been bursting from pools as it started not long after.
23773 12 Sep 2022 @ 1105 --- Stephen_Gemar Quit before 11:05
23733 11 Sep 2022 @ 1741 --- Graham off by 1741. Twilight going down.
23732 11 Sep 2022 @ 0951 --- Graham Quit at this time.
23712 10 Sep 2022 @ 1625 --- Graham Quit at 1625.
23700 10 Sep 2022 @ 0817 --- Graham End time
23686 09 Sep 2022 @ 1837 --- Graham Quit around now. Twilight dropping. Sawmill still ie.
23581 05 Sep 2022 @ 1259 --- User34 Both pools quickly drained. Left pool went from a foot below overflow to out of sight. Vent on front wall of right pool started cyclically jetting to the left almost horizontally
25200 25 Aug 2022 @ 1802 --- Craigmon99 Rumbling
23339 21 Aug 2022 @ 1711 --- Craigmon99 Pools low. Center vent erupting
23295 20 Aug 2022 @ 1050 --- Brando Down 3 feet with vigorous boiling
22001 17 Jun 2022 @ 1509 --- RMichaels Spasmodic just in overflow with only a few vents splashing. Started dropping 1512.
21886 10 Jun 2022 @ 1015 --- RMichaels Reached overflow at 1015 while ie. Dropped at 1024..
21794 06 Jun 2022 @ 1659 --- Graham Off by now. Group draining. Sawmill still ie.
21535 27 May 2022 @ 1357 --- Graham In overflow now.
21530 27 May 2022 @ 1212 --- Graham Just went into overflow.
21469 24 May 2022 @ 2005 --- Ajw All pools fully drained. Can hear some water sloshing in right side pool.
21367 19 May 2022 @ 1804 --- Graham Pools joined. Penta pooling water too.
21159 03 May 2022 @ 1930 --- Ajw North (left) pool fully drained South (right) pool very low water, with steam and churning. Central vent also drained.
21136 30 Apr 2022 @ 1535 --- User34 Water completely out of sight
20724 18 Jan 2022 @ 1029 --- Graham End 1029
20691 14 Jan 2022 @ 1646 --- Graham In deep drain with Twilight Spring. Sawmill still ie.
20679 12 Jan 2022 @ 1031 --- Graham Off now except right pool front vent doing angled splashing.
20012 17 Oct 2021 @ 0900 --- aferrara No visible water
19785 29 Sep 2021 @ 1109 --- Graham Drained deep.
19166 30 Aug 2021 @ 1335 --- Graham 1335 approx end time.
19102 27 Aug 2021 @ 1148 --- Graham Quit 1148
18841 05 Aug 2021 @ 1829 --- TinaN Water too low to see in either pool at start of Sawmill
18435 15 Jul 2021 @ 1217 --- Micah Kipple Front vents shut down. Eruption end.
18416 14 Jul 2021 @ 0707 --- SteveO Right pool overflowing into left pool. Left pool down 12 inches.
18405 13 Jul 2021 @ 0637 --- SteveO Right vent down about 2 feet and bursting. Left vent down about 4 feet and boiling vigorously.
18396 12 Jul 2021 @ 1830 --- SteveO Draining.
18383 12 Jul 2021 @ 0915 --- Tara Bubble shower vent active
18247 02 Jul 2021 @ 1752 --- Graham Not erupting
18101 26 Jun 2021 @ 0755 --- Graham Approx end time.
18034 22 Jun 2021 @ 2009 --- Tara water levels recovering from drain in group (Spasmodic, Oval, Thumping Hole, Dog Bone, Penta, Sawmill, Tardy). Parasite vent cycling through moderate to strong splashing.
18005 22 Jun 2021 @ 0952 22 Jun 2021 @ 1007 ldgordon Right pool almost out of sight, parasite exposed in left pool. Churn and oval continue to drop. Twilight remains at normal level
18004 22 Jun 2021 @ 0928 --- ldgordon New back bubbles turned on.
17985 21 Jun 2021 @ 2030 21 Jun 2021 @ 2103 ldgordon Water rising, front part of right pool vigorously boiling to ~a foot.
17978 21 Jun 2021 @ 1550 --- K.Cooper Low, very low.
17960 21 Jun 2021 @ 1210 --- Tara reached overflow
17955 21 Jun 2021 @ 1058 --- Tara Dropped below overflow, parasite vent blurping weakly
17931 19 Jun 2021 @ 2119 --- User34 In startup sequence, right pool quiet
17909 19 Jun 2021 @ 1201 --- Craigmon99 ie at this time from previous eruption. Parasite vent is still on however it is weaker. Regular south pressure pool vent is bubbling which is noteworthy as is north pressure pool.
17908 19 Jun 2021 @ 1146 --- Tara in overflow, parasite vent back on strong
17907 19 Jun 2021 @ 0935 --- Tara 0935 water level rising, parasite vent off, south pool slightly murky. after rising to overflow, the south pool had increasingly vigorous boiling and no bubbles from the parasite vent. during this time Thumping Hole was splashing to 1-1.5', and its water level rose enough to create runoff. Penta water level also up with slightly silty water
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