Last Known Eruption
16h 44m ago

Latest Eruptions

Eruption DurationInterval
21 Feb 2024 @ 1156 wc7d 23h 58m
13 Feb 2024 @ 1158 wc1d 20h 5m
11 Feb 2024 @ 1553 wc9d 8h 32m
02 Feb 2024 @ 0721 ie wc18d 18h 32m
14 Jan 2024 @ 12492d 3h 33m
12 Jan 2024 @ 0916 ns wc1d 31m
11 Jan 2024 @ 0845 wc4d 16h 23m
06 Jan 2024 @ 1622 wc19m
06 Jan 2024 @ 1603 ie wc2h 44m
06 Jan 2024 @ 1319 ie wc3h 28m
06 Jan 2024 @ 095138m
06 Jan 2024 @ 091328m
06 Jan 2024 @ 084528m
06 Jan 2024 @ 081718m
06 Jan 2024 @ 07596d 18h 17m
30 Dec 2023 @ 1342 wc6d 51m
24 Dec 2023 @ 1251 wc1h 6m
24 Dec 2023 @ 1145 wc1d 23h 59m
22 Dec 2023 @ 1146 ie wc3d 20h 0m
18 Dec 2023 @ 1546 wc19m
18 Dec 2023 @ 1527 wc19m
18 Dec 2023 @ 1508 wc4d 4h 51m
14 Dec 2023 @ 1017 wc6d 21h 26m
07 Dec 2023 @ 1251 wc6d 21m
01 Dec 2023 @ 1230 wc1h 48m
01 Dec 2023 @ 1042 ie2d 22h 32m
28 Nov 2023 @ 1210 wc21h 7m
27 Nov 2023 @ 1503 ie wc2d 1h 37m
25 Nov 2023 @ 1326 wc23h 8m
24 Nov 2023 @ 1418 ie wc5d 21h 24m
18 Nov 2023 @ 1654 wc2h 12m
18 Nov 2023 @ 1442 ns wc1d 2h 30m
17 Nov 2023 @ 1212 ns wc3h 15m
17 Nov 2023 @ 0857 ie wc18h 53m
16 Nov 2023 @ 1404 wc1d 1h 26m
15 Nov 2023 @ 1238 ns wc20h 40m
14 Nov 2023 @ 1558 ie wc4d 2h 48m
10 Nov 2023 @ 1310 ns wc2h 7m
10 Nov 2023 @ 1103 ie wc31m
10 Nov 2023 @ 1032 wc3h 24m
10 Nov 2023 @ 0708 wc18h 15m
09 Nov 2023 @ 1253 wc4h 31m
09 Nov 2023 @ 0822 ie wc21h 7m
08 Nov 2023 @ 1115 ns wc3d 19h 12m
04 Nov 2023 @ 1703 ie wc1d 1h 14m
03 Nov 2023 @ 1549 ie wc5h 47m
03 Nov 2023 @ 1002 wc2h 17m
03 Nov 2023 @ 0745 ie wc14h 55m
02 Nov 2023 @ 1650 wc4h 0m
02 Nov 2023 @ 1250 ns wc22m
02 Nov 2023 @ 1228 ns wc22h 6m
01 Nov 2023 @ 1422 wc2h 28m
01 Nov 2023 @ 1154 wc1d 20h 14m
30 Oct 2023 @ 1540 wc37m
30 Oct 2023 @ 1503 ie wc2d 51m
28 Oct 2023 @ 1412 wc2h 37m
28 Oct 2023 @ 1135 wc1h 13m
28 Oct 2023 @ 1022 wc36m
28 Oct 2023 @ 0946 wc15h 41m
27 Oct 2023 @ 1805 ns wc20m
27 Oct 2023 @ 1745 ns wc2d 5h 10m
25 Oct 2023 @ 1235 ie wc1h 31m
25 Oct 2023 @ 1104 ie wc1h 27m
25 Oct 2023 @ 0937 wc15m
25 Oct 2023 @ 0922 wc1d 1h 21m
24 Oct 2023 @ 0801 ie wc15h 24m
23 Oct 2023 @ 1637 ie wc6h 6m
23 Oct 2023 @ 1031 ie wc2h 17m
23 Oct 2023 @ 0814 ie wc2d 21h 31m
20 Oct 2023 @ 1043 ie19h 11m
19 Oct 2023 @ 1532 wc5h 10m
19 Oct 2023 @ 1022 wc33m
19 Oct 2023 @ 0949 wc23h 14m
18 Oct 2023 @ 1035 wc19m
18 Oct 2023 @ 1016 wc53m
18 Oct 2023 @ 092321m
18 Oct 2023 @ 0902 ns20h 19m
17 Oct 2023 @ 1243 wc4h 37m
17 Oct 2023 @ 0806 wc1d 20h 27m
15 Oct 2023 @ 1139 ie1d 1h 43m
14 Oct 2023 @ 0956 ie wc59m
14 Oct 2023 @ 0857 wc42m
14 Oct 2023 @ 0815 wc29m
14 Oct 2023 @ 0746 wc1d 17h 30m
12 Oct 2023 @ 1416 ns wc1h 11m
12 Oct 2023 @ 1305 ie wc1d 3h 25m
11 Oct 2023 @ 0940 ie wc23m
11 Oct 2023 @ 0917 ie wc1d 45m
10 Oct 2023 @ 0832 ns wc21h 53m
09 Oct 2023 @ 1039 wc22h 29m
08 Oct 2023 @ 121028m
08 Oct 2023 @ 114217h 28m
07 Oct 2023 @ 18144h 39m
07 Oct 2023 @ 1335 ie3h 35m
07 Oct 2023 @ 100017h 44m
06 Oct 2023 @ 16163d 2h 53m
03 Oct 2023 @ 1323 ie wc3h 33m
03 Oct 2023 @ 0950 ie wc15h 50m
02 Oct 2023 @ 1800 ie wc2d 3h 21m
30 Sep 2023 @ 143928m

Interval Statistics

Interval Count100
Min15m
Max18d 18h 32m
Mean1d 10h 32m
Median15h 32m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
33809 16 Jan 2024 @ 0805 --- K.Cooper audible steam
27992 04 Sep 2023 @ 0826 --- Graham Eruptions observed in the last few days appear to be taller than in the spring, peaking at 3 feet.
25599 20 May 2023 @ 1751 --- SantaFe108 Intermittently splashing 6 inches tall.
25232 23 Apr 2023 @ 1544 --- SantaFe108 Low splashing <6 inches tall sustained for about 10 seconds, followed by a pause of 20 or so seconds, then another ~10 seconds of low splashing.
21799 06 Jun 2022 @ 1747 --- SantaFe108 Frequent small splashing without erupting.
19955 10 Oct 2021 @ 1754 --- SantaFe108 (wc) Sustained, moderate-to-low height play for 15 seconds. Possibly a minor eruption or very large pre-play. Camera panned away for Old Faithful so I couldn't see if there was a full-sized eruption after.
19512 12 Sep 2021 @ 1507 --- SantaFe108 (wc) Small non-eruptive splashing at 1507/08, and also at 1509. Both episodes lasted only seconds.
19217 31 Aug 2021 @ 1845 31 Aug 2021 @ 1901 SantaFe108 (wc) UNNG-GHG-18 "Marmot's Tail" N-NE of Marmot Cave and W-SW of Plate. A small eruption started at 1845, followed by an increase to almost full height (~1'), which fizzled out within seconds. More small eruptions occured every few minutes, all of them incredibly small and durations of only seconds. This lasted until the next full-sized eruption at 1901. I am unsure if it continued after.
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