Last Known Eruption
8h 16m ago

Latest Eruptions

Eruption DurationInterval
22 May 2024 @ 0230 wc maj1d 15h 22m
20 May 2024 @ 1108 wc maj3m 8d 21h 36m
11 May 2024 @ 1332 maj5h 17m
11 May 2024 @ 0815 wc maj1d 17m
10 May 2024 @ 0758 ie maj1d 1h 39m
09 May 2024 @ 0619 ie wc maj15h 39m
08 May 2024 @ 1440 wc maj6m 3d 5h 50m
05 May 2024 @ 0850 ie wc maj16h 54m
04 May 2024 @ 1556 maj5h 39m
04 May 2024 @ 1017 ie wc maj1d 22h 10m
02 May 2024 @ 1207 wc maj3d 19h 33m
28 Apr 2024 @ 1634 maj5d 3h 40m
23 Apr 2024 @ 1254 maj19h 29m
22 Apr 2024 @ 1725 wc maj1d 2h 32m
21 Apr 2024 @ 1453 maj4m 4h 48m
21 Apr 2024 @ 1005 A~3m 1d 20h 20m
19 Apr 2024 @ 1345 maj14d 23h 5m
04 Apr 2024 @ 1440 ie wc2h 23m
04 Apr 2024 @ 1217 wc maj7m 17h 38m
03 Apr 2024 @ 1839 wc1d 2h 43m
02 Apr 2024 @ 1556 wc10d 22h 40m
22 Mar 2024 @ 1716 wc maj4½m30d 23h 45m
20 Feb 2024 @ 1631 wc maj25d 22h 26m
25 Jan 2024 @ 1805 ? ie wc maj6d 2h 51m
19 Jan 2024 @ 1514 maj5m 3d 8m
16 Jan 2024 @ 1506 maj6m 13d 35m
03 Jan 2024 @ 1431 wc maj21d 23h 33m
12 Dec 2023 @ 1458 maj30d 4h 10m
12 Nov 2023 @ 1048 ie wc maj26d 3h 22m
17 Oct 2023 @ 0826 ie wc maj14h 52m
16 Oct 2023 @ 1734 wc maj4m 1d 3h 48m
15 Oct 2023 @ 1346 maj<2m 8d 22h 25m
06 Oct 2023 @ 1521 maj3d 22m
03 Oct 2023 @ 1459 ie maj22h 24m
02 Oct 2023 @ 1635 wc maj4d 4h 9m
28 Sep 2023 @ 1226 maj9m 1d 2h 19m
27 Sep 2023 @ 1007 maj8m 1d 17h 59m
25 Sep 2023 @ 1608 maj3h 50m
25 Sep 2023 @ 1218 wc maj4m 1d 2h 21m
24 Sep 2023 @ 0957 maj5m 7d 19h 35m
16 Sep 2023 @ 1422 wc maj12m 23h 5m
15 Sep 2023 @ 1517 maj21h 13m
14 Sep 2023 @ 1804 maj8m 6h 1m
14 Sep 2023 @ 1203 ie wc maj>6m 6d 2h 57m
08 Sep 2023 @ 0906 maj3m 12m
08 Sep 2023 @ 0854 maj3m 1d 15h 36m
06 Sep 2023 @ 1718 maj8m 7h 21m
06 Sep 2023 @ 0957 maj9m 3d 18h 27m
02 Sep 2023 @ 1530 ns maj1h 28m
02 Sep 2023 @ 1402 ie wc maj3h 28m
02 Sep 2023 @ 1034 maj5m 25m
02 Sep 2023 @ 1009 maj1h 37m
02 Sep 2023 @ 0832 maj6m 22h 13m
01 Sep 2023 @ 1019 maj19h 45m
31 Aug 2023 @ 1434 maj4h 28m
31 Aug 2023 @ 10064m 22h 24m
30 Aug 2023 @ 1142 maj15h 33m
29 Aug 2023 @ 2009 ie maj9h 51m
29 Aug 2023 @ 1018 maj13h 53m
28 Aug 2023 @ 2025 maj5m 12h 51m
28 Aug 2023 @ 0734 ie maj22h 11m
27 Aug 2023 @ 0923 maj5.5m 19h 45m
26 Aug 2023 @ 1338 maj4.5m 18h 31m
25 Aug 2023 @ 1907 maj3.5m 4h 17m
25 Aug 2023 @ 1450 maj4m 52m
25 Aug 2023 @ 1358 maj6m 3h 22m
25 Aug 2023 @ 1036 maj8m 20h 32m
24 Aug 2023 @ 1404 maj5.5m 20h 59m
23 Aug 2023 @ 1705 maj4m 4h 47m
23 Aug 2023 @ 1218 maj4m 4h 26m
23 Aug 2023 @ 0752 maj4m 14h 7m
22 Aug 2023 @ 1745 maj3m 9m
22 Aug 2023 @ 1736 maj3.5m 8h 18m
22 Aug 2023 @ 0918 maj3.5m 17h 46m
21 Aug 2023 @ 1532 maj5.5m 4h 48m
21 Aug 2023 @ 1044 maj3.5m 16h 29m
20 Aug 2023 @ 1815 maj2.5m 4h 29m
20 Aug 2023 @ 1346 maj4m 5h 32m
20 Aug 2023 @ 0814 maj3.5m 2d 16h 59m
17 Aug 2023 @ 1515 maj3d 23h 34m
13 Aug 2023 @ 1541 ie maj18h 55m
12 Aug 2023 @ 2046 maj7h 29m
12 Aug 2023 @ 1317 wc maj3m 21h 18m
11 Aug 2023 @ 1559 ie wc maj25m
11 Aug 2023 @ 1534 wc maj13m
11 Aug 2023 @ 1521 wc maj10d 9m
01 Aug 2023 @ 1512 ie maj21h 34m
31 Jul 2023 @ 1738 maj7m 1d 11h 14m
30 Jul 2023 @ 0624 maj~8m 3d 16h 53m
26 Jul 2023 @ 1331 maj~4m 2d 26m
24 Jul 2023 @ 1305 wc maj1d 3h 12m
23 Jul 2023 @ 0953 maj7m 18h 20m
22 Jul 2023 @ 1533 maj5m 1d 23h 35m
20 Jul 2023 @ 1558 maj8m 1d 11m
19 Jul 2023 @ 1547 maj6m 4h 50m
19 Jul 2023 @ 1057 ie maj18h 38m
18 Jul 2023 @ 1619 maj6m 1d 2h 1m
17 Jul 2023 @ 1418 maj6m 23h 49m
16 Jul 2023 @ 14293h 26m
16 Jul 2023 @ 1103 ie15h 18m

Interval Statistics

Interval Count100
Min9m
Max30d 23h 45m
Mean3d 2h 42m
Median21h 15m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
33823 16 Jan 2024 @ 1319 --- K.Cooper little buddies on
24004 22 Sep 2022 @ 1740 22 Sep 2022 @ 1900 CrisG no major so far. The "little buddies" are still on, but light is starting to fail and more rain eminent so I'm calling it.
23976 21 Sep 2022 @ 0900 --- TamlynP eruption complete
22614 16 Jul 2022 @ 1159 --- Brando Almost went, but didnt. 2 of the 3 "buddies" of Rocket are erupting, possible eruption soon.
20137 27 Oct 2021 @ 1350 --- steve Observing from Grand either a Rocket Major or a big Grotto Fountain
19482 11 Sep 2021 @ 1733 11 Sep 2021 @ 1739 User34 Having big sporadic bursts while Grotto was "off", then two of the "Little Buddies" came on strong as Grotto restarted
17687 12 Jun 2021 @ 0644 --- CraigC water spitting out aggressively from the right "mouth" vent
16877 17 Apr 2021 @ 1058 17 Apr 2021 @ 1100 User34 Seemed to want to major again, some big heavy splashes during this time
15964 04 Sep 2020 @ 1900 04 Sep 2020 @ 2035 William no rocket maj during this time, grotto still ie when I left.
13231 14 Aug 2019 @ 1256 --- JarnoO (wc) Possible eruption (start) at this time, just between two cam outages. Column appeared at the right spot for Rocket and I may have seen some water in there on the still frame.
11593 05 Jun 2019 @ 1220 05 Jun 2019 @ 1606 TinaN No eruption during the first 3h 46m of Grotto
11585 04 Jun 2019 @ 1613 04 Jun 2019 @ 1846 TinaN Watched entire Grotto eruption and didn't see a Rocket major
8875 18 Jun 2018 @ 1815 --- Polly Possible Rocket (from Inn parking lot)
8874 18 Jun 2018 @ 1354 --- Polly Possible Rocket 1354 ie. (From Inn parking lot - steam in Grotto area - straight up)
7696 24 Sep 2017 @ 1707 --- Polly Tall Rocket splash (15-20').
4451 11 Jul 2017 @ 1724 --- Kitt B Rocket erupted a couple minutes before Grotto started and another Rocket at 1753.
2254 01 Sep 2015 @ 1341 --- BB We were at Tilt's Baby and saw water spikes above the trees in the Grotto area, d ~ 8m, maybe a Rocket major?
2150 14 Aug 2015 @ 1215 --- JSJ Already off at 1215.
EntrySourceLinkComment
15 Aug 2020 @ 1702 JSJ https://www.youtube.com/watch?v=UejD5KhAYwg Video by Craig Corless of Rocket Geyser's 5:02 PM-onward major eruption on 15 August 2020.
11 Aug 2014 @ 1357 JSJ https://www.youtube.com/watch?v=qhm8eipfeWo Video that includes clips showing Rocket Geyser's 1:57 to 2:04 PM major eruption on 11 August 2014.
11 Aug 2014 @ 1357 JSJ https://www.flickr.com/photos/jsjgeology/15278920020 Photo (1 of 9) of Rocket Geyser's 1:57 to 2:04 PM major eruption on 11 August 2014.
BaselineDistance (ft)Description
Bike Path 100On the edge of the bike path close to the end of the Grotto Fountain bench.