Last Known Eruption
8d 10h 10m ago

Latest Eruptions

Eruption DurationInterval
23 Jun 2022 @ 1832 maj6m 20s 10m
23 Jun 2022 @ 1822 maj~4m 7h 11m
23 Jun 2022 @ 1111 ns maj2h 26m
23 Jun 2022 @ 0845 maj8d 12h 40m
14 Jun 2022 @ 2005 ie3d 2h 11m
11 Jun 2022 @ 1754 maj4m 1d 2h 32m
10 Jun 2022 @ 1522 maj7h 1m
10 Jun 2022 @ 0821 maj5m 30s 20h 58m
09 Jun 2022 @ 1123 maj1d 22h 12m
07 Jun 2022 @ 1311 maj6m 1d 1h 32m
06 Jun 2022 @ 1139 ie maj2d 1h 59m
04 Jun 2022 @ 0940 maj8m 40s 7d 14h 30m
27 May 2022 @ 1910 maj8h 9m
27 May 2022 @ 1101 maj1d 21h 3m
25 May 2022 @ 1358 maj7m 22h 47m
24 May 2022 @ 1511 maj6d 3h 26m
18 May 2022 @ 1145 maj4m 56s 6d 20h 37m
11 May 2022 @ 1508 maj3m 13s 6h 5m
11 May 2022 @ 0903 maj6m 19s 4d 12h 42m
06 May 2022 @ 2021 maj~5m 1d 7h 33m
05 May 2022 @ 1248 maj~6m 3d 20h 8m
01 May 2022 @ 1640 ie6d 32m
25 Apr 2022 @ 1608 maj23d 4h 50m
02 Apr 2022 @ 1118 ns67d 20h 16m
24 Jan 2022 @ 1402~6m 1d 1h 25m
23 Jan 2022 @ 1237~4m 8d 20h 41m
14 Jan 2022 @ 155684d 4h 9m
22 Oct 2021 @ 1247 maj1d 19h 37m
20 Oct 2021 @ 1710 ns maj3d 33m
17 Oct 2021 @ 1637 ie maj9d 6h 27m
08 Oct 2021 @ 1010 maj3d 20h 33m
04 Oct 2021 @ 1337 maj5m 23h 29m
03 Oct 2021 @ 1408 maj~5m 1d 6h 10m
02 Oct 2021 @ 0758 maj7m 2d 1h 12m
30 Sep 2021 @ 0646 ie maj4d 18h 22m
25 Sep 2021 @ 1224 maj9m 6s 2d 23h 47m
22 Sep 2021 @ 1237 maj4m 22h 56m
21 Sep 2021 @ 1341 ie maj3d 11h 33m
18 Sep 2021 @ 0208 wc maj6d 8h 53m
11 Sep 2021 @ 1715 maj4m 22h 43m
10 Sep 2021 @ 1832 maj8h 3m
10 Sep 2021 @ 1029 maj3m 11m
10 Sep 2021 @ 1018 maj4m 14h 23m
09 Sep 2021 @ 1955 maj~9m 6h 15m
09 Sep 2021 @ 1339:19 maj~6m 15s 19h 28m
08 Sep 2021 @ 1811 maj23h 58m
07 Sep 2021 @ 1813 maj7m 7h 55m
07 Sep 2021 @ 1018 maj3.5m 14h 1m
06 Sep 2021 @ 2017 maj~4m 1d 2h 53m
05 Sep 2021 @ 1724 ie maj17m
05 Sep 2021 @ 1707 maj5d 20h 51m
30 Aug 2021 @ 2016 ns maj7h 44m
30 Aug 2021 @ 1232 maj8m 17h 41m
29 Aug 2021 @ 1851 maj~4m 7h 23m
29 Aug 2021 @ 1128 maj6m 2d 3h 34m
27 Aug 2021 @ 0754 maj7m 14h 8m
26 Aug 2021 @ 1746 maj4m 17m
26 Aug 2021 @ 1729 maj2m 2d 3h 44m
24 Aug 2021 @ 1345 maj4m 8d 20h 2m
15 Aug 2021 @ 1743 wc maj5h 49m
15 Aug 2021 @ 1154 maj3m 12m
15 Aug 2021 @ 1142 maj4m 15h 21m
14 Aug 2021 @ 2021 maj6m 25s 7h 30m
14 Aug 2021 @ 1251 maj4m 54s 2d 23h 10m
11 Aug 2021 @ 1341 maj5m 21h 16m
10 Aug 2021 @ 1625 maj2m 6d 22h 16m
03 Aug 2021 @ 1809 ns maj6h 9m
03 Aug 2021 @ 1200 maj3.5m 4h 36m
03 Aug 2021 @ 0724 ie maj14h 30m
02 Aug 2021 @ 1654 maj2d 6h 12m
31 Jul 2021 @ 1042 maj6m 17h 31m
30 Jul 2021 @ 1711 maj4d 48m
26 Jul 2021 @ 1622:15 maj12m 2s 5h 45m 30s
26 Jul 2021 @ 1036:45 maj4h 37m
26 Jul 2021 @ 0559 ie maj>3.5m 39m
26 Jul 2021 @ 0520 A maj12h 4m
25 Jul 2021 @ 1716 maj8h 23m
25 Jul 2021 @ 0853 maj4d 15h 23m
20 Jul 2021 @ 1730 maj11m 5h 43m
20 Jul 2021 @ 1147 maj9.510m
20 Jul 2021 @ 1137 maj4m 18h 24m
19 Jul 2021 @ 1713 maj4.5m 3h 52m
19 Jul 2021 @ 1321 maj8m 2h 36m
19 Jul 2021 @ 1045 maj1m 2h 50m
19 Jul 2021 @ 0755 maj3m 12h 29m
18 Jul 2021 @ 1926 maj4.5m 1d 1h 48m
17 Jul 2021 @ 1738 maj4.5m 6h 26m
17 Jul 2021 @ 1112 maj3m 15h 25m
16 Jul 2021 @ 1947 ie maj4d 7h 5m
12 Jul 2021 @ 1242 maj2.5m 13m
12 Jul 2021 @ 1229 maj4.5m 20h 54m
11 Jul 2021 @ 1535 maj4d 1h 33m
07 Jul 2021 @ 1402 maj~4m 8d 23h 18m
28 Jun 2021 @ 1444 ns maj1d 3h 12m
27 Jun 2021 @ 1132 maj~5m 2d 15h 10m
24 Jun 2021 @ 2022 maj~6m 3d 2h 44m
21 Jun 2021 @ 1738 maj~9m 3d 22h 38m
17 Jun 2021 @ 1900 maj14m
17 Jun 2021 @ 1846 maj21h 49m
16 Jun 2021 @ 2057 maj6m

Interval Statistics

Interval Count100
Min6m
Max84d 4h 9m
Mean3d 17h 15m
Median22h 51m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
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.