Last Known Eruption
9h 19m ago

Latest Eruptions

Eruption DurationInterval
28 Sep 2020 @ 1016 maj~8.5m 16h 43m
27 Sep 2020 @ 1733 maj~4m 3d 22h 51m
23 Sep 2020 @ 1842 ns maj~5m 2d 3h 5m
21 Sep 2020 @ 1537 maj~6m 5h 7m
21 Sep 2020 @ 1030 maj~2m 6d 1h 30m
15 Sep 2020 @ 0900 wc maj18h 14m
14 Sep 2020 @ 1446 maj~3.5m 6h 47m
14 Sep 2020 @ 0759 maj5m 14h 47m
13 Sep 2020 @ 1712 maj4m 7h 42m
13 Sep 2020 @ 0930 maj5m 1h 47m
13 Sep 2020 @ 0743 maj9m 15h 35m
12 Sep 2020 @ 16087h 12m
12 Sep 2020 @ 0856 ie maj15h 46m
11 Sep 2020 @ 1710 maj4m 6h 9m
11 Sep 2020 @ 1101 maj8m 1d 3h 45m
10 Sep 2020 @ 0716 maj3d 20h 51m
06 Sep 2020 @ 1025 maj14h 24m
05 Sep 2020 @ 20017.5m 8h 16m
05 Sep 2020 @ 1145 maj19h 15m
04 Sep 2020 @ 1630 maj3h 27m
04 Sep 2020 @ 1303 ns3h 37m
04 Sep 2020 @ 0926 ie maj1d 17h 22m
02 Sep 2020 @ 1604 maj6h 17m
02 Sep 2020 @ 0947 maj5m 17h 56m
01 Sep 2020 @ 1551 wc maj6d 20h 39m
25 Aug 2020 @ 1912 maj7m 37m
25 Aug 2020 @ 1835 maj5m 23h 36m
24 Aug 2020 @ 1859 maj3m 1d 3h 2m
23 Aug 2020 @ 1557 maj3m 6d 4h 30m
17 Aug 2020 @ 1127 wc maj~6m 54s 1d 18h 25m
15 Aug 2020 @ 1702 maj1d 4h 55m
14 Aug 2020 @ 1207 wc maj~4m 21s 3h 20m
14 Aug 2020 @ 0847 ? wc7d 15h 12m
06 Aug 2020 @ 1735 ie wc maj7h 27m
06 Aug 2020 @ 1008 maj5m 30s 2d 3h 25m
04 Aug 2020 @ 0643 ? wc4d 17h 4m
30 Jul 2020 @ 1339 maj2h 13m
30 Jul 2020 @ 1126 ie wc maj1d 17h 9m
28 Jul 2020 @ 1817 ie wc maj1d 8h 41m
27 Jul 2020 @ 0936 wc maj~7m 4s 5d 23h 32m
21 Jul 2020 @ 1004 ie wc maj9d 20h 26m
11 Jul 2020 @ 1338 ie wc maj1d 1h 15m
10 Jul 2020 @ 1223 maj3m 28s 1d 19h 31m
08 Jul 2020 @ 1652 ie wc maj3d 4h 55m
05 Jul 2020 @ 1157 maj4m 2d 1h 7m
03 Jul 2020 @ 1050 ie wc maj22h 33m
02 Jul 2020 @ 1217 maj5.5m 4h 36m
02 Jul 2020 @ 0741 maj7m 12h 51m
01 Jul 2020 @ 1850 maj4.5m 5h 43m
01 Jul 2020 @ 1307 maj3.5m 4h 47m
01 Jul 2020 @ 0820 maj3.5m 4d 17h 54m
26 Jun 2020 @ 1426 maj14.5m 2d 54m
24 Jun 2020 @ 1332 wc maj1d 2h 1m
23 Jun 2020 @ 1131 ie maj7d 21h 27m
15 Jun 2020 @ 1404 ie wc maj3d 18h 11m
11 Jun 2020 @ 19539d 11h 38m
02 Jun 2020 @ 0815 ie22h 5m
01 Jun 2020 @ 1009:55 ns4d 17h 48m
27 May 2020 @ 1621 wc maj~4m 22d 34m
05 May 2020 @ 1547 wc maj21h 34m
04 May 2020 @ 1813 ? ie wc maj4d 1h 18m
30 Apr 2020 @ 1655 ie wc maj10d 58m
20 Apr 2020 @ 1557 ? ie wc13d 4h 55m
07 Apr 2020 @ 1102 wc maj65d 20h 2m
01 Feb 2020 @ 1400 wc maj79d 22h 59m
13 Nov 2019 @ 1501 ns9m 30d 7h 10m
14 Oct 2019 @ 0851 wc maj17d 13h 51m
26 Sep 2019 @ 1900 maj6d 4h 21m
20 Sep 2019 @ 1439 maj7d 20h 46m
12 Sep 2019 @ 1753 maj3m 37s 5d 1h 47m
07 Sep 2019 @ 1606 maj5h 12m
07 Sep 2019 @ 1054 maj7m 2d 21h 51m
04 Sep 2019 @ 1303 maj1d 2h 20m
03 Sep 2019 @ 1043 ie maj1d 19h 14m
01 Sep 2019 @ 1529 ns maj5h 9m
01 Sep 2019 @ 1020 maj2h 19m
01 Sep 2019 @ 0801 maj22h 17m
31 Aug 2019 @ 0944 maj3.5m 22h 34m
30 Aug 2019 @ 1110 maj9.5m 18h 8m
29 Aug 2019 @ 1702 maj5m 14m
29 Aug 2019 @ 1648 maj4.5m 7h 54m
29 Aug 2019 @ 0854 maj4m 16h 27m
28 Aug 2019 @ 1627 maj4m 6h 45m
28 Aug 2019 @ 0942 maj6.5m 16h 20m
27 Aug 2019 @ 1722 maj3m 3h 14m
27 Aug 2019 @ 1408 maj7m 5h 13m
27 Aug 2019 @ 0855 maj3m 13h 59m
26 Aug 2019 @ 1856 maj3.5m 3h 19m
26 Aug 2019 @ 1537 maj3.5m 3h 45m
26 Aug 2019 @ 1152 maj3m 15m
26 Aug 2019 @ 1137 maj4m 5d 21h 47m
20 Aug 2019 @ 1350 ie wc maj20h 58m
19 Aug 2019 @ 1652 ie wc2d 8h 7m
17 Aug 2019 @ 0845 ie maj19h 15m
16 Aug 2019 @ 1330 maj~5m 54m
16 Aug 2019 @ 1236 maj3d 2h 12m
13 Aug 2019 @ 1024 ns wc maj2d 21h 21m
10 Aug 2019 @ 1303 ie wc maj7d 18h 11m
02 Aug 2019 @ 1852 ie wc maj8d 3h 43m
25 Jul 2019 @ 1509 ie wc maj3d 5h 2m

Interval Statistics

Interval Count100
Min14m
Max79d 22h 59m
Mean4d 8h 9m
Median1d 25m

Latest Notes

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


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