Last Known Eruption
12d 20h 44m ago

Latest Eruptions

Eruption DurationInterval
08 Nov 2024 @ 1404 wc maj2¾m3d 2h 37m
05 Nov 2024 @ 1127 wc maj10d 1h 20m
26 Oct 2024 @ 1107 wc maj6m 2d 20h 19m
23 Oct 2024 @ 1448 wc maj8d 8m
15 Oct 2024 @ 1440 maj4m 23h 26m
14 Oct 2024 @ 1514 wc maj>3m 3d 4h 13m
11 Oct 2024 @ 1101 ie maj3d 20h 5m
07 Oct 2024 @ 1456 wc maj2m 1d 5h 0m
06 Oct 2024 @ 0956 maj10.5m 1d 16h 25m
04 Oct 2024 @ 1731 maj~3.5m 6d 3h 31m
28 Sep 2024 @ 1400 maj6m 5h 50m
28 Sep 2024 @ 0810 A13h 9m
27 Sep 2024 @ 1901 ns5d 6h 30m
22 Sep 2024 @ 1231 maj5m 1d 21h 45m
20 Sep 2024 @ 1446 wc maj2m 13m
20 Sep 2024 @ 1433 maj1d 3h 40m
19 Sep 2024 @ 1053 ie maj3d 23h 48m
15 Sep 2024 @ 1105 maj4d 18h 55m
10 Sep 2024 @ 1610 ie wc maj>2m 1d 3h 58m
09 Sep 2024 @ 1212 maj1d 17h 48m
07 Sep 2024 @ 1824 wc maj6h 50m
07 Sep 2024 @ 1134 maj5m 22h 55m
06 Sep 2024 @ 1239 maj18h 1m
05 Sep 2024 @ 1838 wc maj3m 6h 28m
05 Sep 2024 @ 1210 maj3m 12m
05 Sep 2024 @ 1158 maj4m 17h 56m
04 Sep 2024 @ 1802 maj1d 7h 54m
03 Sep 2024 @ 1008 maj4m 19h 3m
02 Sep 2024 @ 1505 wc maj4m 5h 7m
02 Sep 2024 @ 0958 wc maj4m 1d 1h 54m
01 Sep 2024 @ 0804 maj3m 17h 55m
31 Aug 2024 @ 1409 maj5.5m 18h 56m
30 Aug 2024 @ 1913 maj4m 5h 7m
30 Aug 2024 @ 1406 maj3.5m 4h 20m
30 Aug 2024 @ 0946 maj3.5m 22h 36m
29 Aug 2024 @ 1110 maj2.5m 20h 55m
28 Aug 2024 @ 1415 maj4m 1d 1h 28m
27 Aug 2024 @ 1247 maj3.5m 5h 18m
27 Aug 2024 @ 0729 maj5.5m 3d 19h 54m
23 Aug 2024 @ 1135 wc maj>5m 19h 15m
22 Aug 2024 @ 1620 wc maj6m 7h 31m
22 Aug 2024 @ 0849 maj20h 12m
21 Aug 2024 @ 1237 wc maj4½m19h 34m
20 Aug 2024 @ 1703 wc maj5m 3h 36m
20 Aug 2024 @ 1327 ie wc maj6d 3h 46m
14 Aug 2024 @ 0941 wc maj4d 23h 49m
09 Aug 2024 @ 0952 maj5m 22h 1m
08 Aug 2024 @ 1151 maj7m 5h 13m
08 Aug 2024 @ 0638 maj3m 3d 11h 3m
04 Aug 2024 @ 1935 ns maj>6m 1d 4h 18m
03 Aug 2024 @ 1517 maj8m 6h 44m
03 Aug 2024 @ 08337m 16h 30m
02 Aug 2024 @ 1603 maj7m 3d 1h 55m
30 Jul 2024 @ 1408 wc maj5m 1d 23h 54m
28 Jul 2024 @ 1414 maj~5m 2d 23h 24m
25 Jul 2024 @ 1450 ie wc maj>7m 19h 20m
24 Jul 2024 @ 1930 wc maj7h 12m
24 Jul 2024 @ 1218 maj~6m 19h 20m
23 Jul 2024 @ 1658 ie wc maj1d 1h 55m
22 Jul 2024 @ 1503 maj~4.5m 22h 32m
21 Jul 2024 @ 1631 wc maj7h 21m
21 Jul 2024 @ 0910 wc maj21h 56m
20 Jul 2024 @ 1114 ie wc maj1d 18h 22m
18 Jul 2024 @ 1652 ie wc maj7h 50m
18 Jul 2024 @ 0902 maj~4m 14h 9m
17 Jul 2024 @ 1853 maj5m 1d 4h 42m
16 Jul 2024 @ 1411 maj~6.5m 2d 23h 40m
13 Jul 2024 @ 1431 maj9m 1d 19h 19m
11 Jul 2024 @ 1912 maj5m 7h 46m
11 Jul 2024 @ 1126 maj5m 17h 40m
10 Jul 2024 @ 1746 maj3m 5d 7h 39m
05 Jul 2024 @ 1007 maj7m 2d 16h 8m
02 Jul 2024 @ 1759 A maj~4m 6h 20m
02 Jul 2024 @ 1139 maj21h 57m
01 Jul 2024 @ 1342 maj~3m 20h 35m
30 Jun 2024 @ 1707 ns wc maj2h 28m
30 Jun 2024 @ 1439 maj4m 6h 39m
30 Jun 2024 @ 0800 maj3.5m 1d 15m
29 Jun 2024 @ 0745 maj2.5m 37m
29 Jun 2024 @ 0708 maj2.5m 2d 21h 2m
26 Jun 2024 @ 1006 maj8.5m 17h 32m
25 Jun 2024 @ 1634 maj5m 8h 36m
25 Jun 2024 @ 0758 maj6.5m 12h 16m
24 Jun 2024 @ 1942 maj9m 1d 4h 22m
23 Jun 2024 @ 1520 maj3m 5h 44m
23 Jun 2024 @ 0936 maj3.5m 16h 48m
22 Jun 2024 @ 1648 maj8m 2d 3h 58m
20 Jun 2024 @ 1250 ie maj6d 1h 2m
14 Jun 2024 @ 1148 wc maj>3m 3d 29m
11 Jun 2024 @ 1119 maj19h 27m
10 Jun 2024 @ 1552 maj23h 34m
09 Jun 2024 @ 1618~6m 6h 3m
09 Jun 2024 @ 1015 ie wc maj1d 17h 32m
07 Jun 2024 @ 1643 wc maj3m 10h 13m
07 Jun 2024 @ 0630 wc maj>3m 19h 37m
06 Jun 2024 @ 1053 maj6m 19h 44m
05 Jun 2024 @ 1509 wc maj>6m 7h 25m
05 Jun 2024 @ 0744 maj5m 2d 21h 52m
02 Jun 2024 @ 0952 maj20h 47m
01 Jun 2024 @ 1305 wc maj12m 1h 57m

Interval Statistics

Interval Count100
Min12m
Max10d 1h 20m
Mean1d 14h 26m
Median21h 25m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
37303 01 Oct 2024 @ 0933 01 Oct 2024 @ 0937 Lizzysa Erupting
36367 11 Aug 2024 @ 0848 --- CraigC 2 quick loud explosive splashes
35386 20 Jun 2024 @ 1721 --- Craigmon99 Small vents in front of cone started now
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.