Last Known Eruption
7d 36m ago

Latest Eruptions

Eruption DurationInterval
15 May 2024 @ 1055 ie4d 16h 12m
10 May 2024 @ 1843 ns9h 11m
10 May 2024 @ 09324d 17h 48m
05 May 2024 @ 1544 ie6d 6h 37m
29 Apr 2024 @ 0907 ie7d 23h 29m
21 Apr 2024 @ 09381d 14h 48m
19 Apr 2024 @ 1850 ie1h 47m
19 Apr 2024 @ 1703 ie92d 8h 22m
18 Jan 2024 @ 0741 ie2d 23h 29m
15 Jan 2024 @ 0812 ie17h 41m
14 Jan 2024 @ 1431 ie2d 2h 3m
12 Jan 2024 @ 1228 ie1h 56m
12 Jan 2024 @ 1032 ie2h 45m
12 Jan 2024 @ 0747 ie2d 3m
10 Jan 2024 @ 0744 ie23h 55m
09 Jan 2024 @ 0749 ie1d 16h 23m
07 Jan 2024 @ 1526 ie1d 3h 56m
06 Jan 2024 @ 11308d 20h 18m
28 Dec 2023 @ 1512 ie60d 6h 5m
29 Oct 2023 @ 1007 ie7d 19h 21m
21 Oct 2023 @ 1446 ie2d 21h 2m
18 Oct 2023 @ 17442d 59m
16 Oct 2023 @ 1645 ns wc1d 6h 16m
15 Oct 2023 @ 10297d 20h 37m
07 Oct 2023 @ 1352 ie3d 29m
04 Oct 2023 @ 13233d 19h 15m
30 Sep 2023 @ 1808 ie5h 27m
30 Sep 2023 @ 12412h 8m
30 Sep 2023 @ 1033 ns21h 53m
29 Sep 2023 @ 1240 ie5h 23m
29 Sep 2023 @ 0717 ie1d 14h 55m
27 Sep 2023 @ 1622 ie7h 23m
27 Sep 2023 @ 0859 ie>5h 11m 14h 32m
26 Sep 2023 @ 1827 ie1d 20m
25 Sep 2023 @ 1807 ie4h 32m
25 Sep 2023 @ 13353h 38m
25 Sep 2023 @ 0957 ie1d 18h 33m
23 Sep 2023 @ 1524 ie1d 48m
22 Sep 2023 @ 14361h 47m
22 Sep 2023 @ 1249 ie5h 40m
22 Sep 2023 @ 0709 ie13h 4m
21 Sep 2023 @ 18051h 42m
21 Sep 2023 @ 1623 ie8h 15m
21 Sep 2023 @ 0808 ie15h 1m
20 Sep 2023 @ 1707 ie4h 27m
20 Sep 2023 @ 1240 ie2d 4h 48m
18 Sep 2023 @ 075221m
18 Sep 2023 @ 073112h 53m
17 Sep 2023 @ 1838 ie1d 50m
16 Sep 2023 @ 1748 ie3h 27m
16 Sep 2023 @ 1421 ie4h 35m
16 Sep 2023 @ 0946 ie14h 57m
15 Sep 2023 @ 1849 ns1d 19m
14 Sep 2023 @ 1830 ie1d 5h 0m
13 Sep 2023 @ 1330 ie1d 23h 3m
11 Sep 2023 @ 1427 ie7h 5m
11 Sep 2023 @ 0722 ie14h 44m
10 Sep 2023 @ 1638 ie1d 35m
09 Sep 2023 @ 1603 ie3h 22m
09 Sep 2023 @ 12413h 15m
09 Sep 2023 @ 0926 ie13h 41m
08 Sep 2023 @ 1945 ie1d 49m
07 Sep 2023 @ 18561h 41m
07 Sep 2023 @ 1715 ns~39m 7h 50m
07 Sep 2023 @ 0925 ie15h 40m
06 Sep 2023 @ 1745 ie1d 7h 39m
05 Sep 2023 @ 1006 ie2h 18m
05 Sep 2023 @ 0748 ie17h 18m
04 Sep 2023 @ 1430 ie23h 14m
03 Sep 2023 @ 15161h 30m
03 Sep 2023 @ 1346 ie6h 0m
03 Sep 2023 @ 0746 ie12h 10m
02 Sep 2023 @ 1936 ie2h 17m
02 Sep 2023 @ 1719 ie6h 54m
02 Sep 2023 @ 1025 ie18h 33m
01 Sep 2023 @ 1552 ie2d 19h 46m
29 Aug 2023 @ 2006 ie1d 10h 54m
28 Aug 2023 @ 0912 ie10d 16h 22m
17 Aug 2023 @ 16506d 23h 17m
10 Aug 2023 @ 173311d 9h 38m
30 Jul 2023 @ 0755 ie17d 17h 22m
12 Jul 2023 @ 14332d 8h 43m
10 Jul 2023 @ 0550 ie3d 0m
07 Jul 2023 @ 0550 ie2d 23h 42m
04 Jul 2023 @ 0608 ie1d 12h 37m
02 Jul 2023 @ 17312h 4m
02 Jul 2023 @ 1527 ie7h 24m
02 Jul 2023 @ 0803 ie2d 14m
30 Jun 2023 @ 0749 ie15h 2m
29 Jun 2023 @ 1647 ie23h 2m
28 Jun 2023 @ 1745 ns4h 15m
28 Jun 2023 @ 1330 ie3h 1m
28 Jun 2023 @ 1029 ns52m
28 Jun 2023 @ 0937 ie2h 10m
28 Jun 2023 @ 0727 ie23h 58m
27 Jun 2023 @ 0729 ie12h 53m
26 Jun 2023 @ 1836 ie22h 2m
25 Jun 2023 @ 2034 ie1d 11h 24m
24 Jun 2023 @ 0910 ie18h 30m
23 Jun 2023 @ 1440 ie8h 19m

Interval Statistics

Interval Count100
Min21m
Max92d 8h 22m
Mean3d 6h 31m
Median20h 13m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
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
17867 17 Jun 2021 @ 1242 --- Craigmon99 On strong. Parasite vent strong almost to 3 feet
17854 16 Jun 2021 @ 1555 --- Craigmon99 Parasite on
17852 16 Jun 2021 @ 1548 --- Craigmon99 Parasite vent off
17836 15 Jun 2021 @ 1629 --- Craigmon99 Parasite off. 1636 Parasite will attempt to turn on but spasmodic will attempt to begin eruption, turning parasite off.
17833 15 Jun 2021 @ 1613 --- Craigmon99 Has turned off since my break. Parasite still on. All behavior of surrounding vents is consistent with previous notes with spasmodic off.
17822 15 Jun 2021 @ 1327 --- Craigmon99 Parasite vent off as spasmodic attempts to start
17817 15 Jun 2021 @ 1313 --- Craigmon99 Off. Parasite vent ie.
17778 14 Jun 2021 @ 1607 --- Craigmon99 Off from ie
17682 11 Jun 2021 @ 0824 --- TheHikingDude In the duration of the 8:11 eruption, I walked up to see the two main pools bursting to a foot at most, however 5 vents in the front were going bezerk, shooting water around 2 to 3 feet in the air very rapidly.
17639 10 Jun 2021 @ 1339 --- Graham In overflow.
13884 05 Oct 2019 @ 0832 --- jkgood There is a glove bobbing about in one of the small vents near the boardwalk :-/
13365 23 Aug 2019 @ 1516 --- EmilyW Spasmodic seems drained and low at this time when old tardy is ie
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