Last Known Eruption
6h 22m ago

Latest Eruptions

Eruption DurationInterval
16 Jul 2018 @ 1513 maj22h 20m
15 Jul 2018 @ 1652:175h 17m
15 Jul 2018 @ 1135 maj6m 4h 17m
15 Jul 2018 @ 0718 maj3h 34m
15 Jul 2018 @ 0344 ie maj13h 27m
14 Jul 2018 @ 1417 maj4h 50m
14 Jul 2018 @ 0927 maj3m 4h 3m
14 Jul 2018 @ 0524 maj1d 9h 0m
12 Jul 2018 @ 2024 ns4h 8m
12 Jul 2018 @ 1616 maj6m 20h 13m
11 Jul 2018 @ 2003 maj6h 37m
11 Jul 2018 @ 1326 maj5m 3h 37m
11 Jul 2018 @ 0949 maj21h 16m
10 Jul 2018 @ 1233 maj3.5m 19h 34m
09 Jul 2018 @ 1659 maj7h 2m
09 Jul 2018 @ 0957 maj7m 3h 32m
09 Jul 2018 @ 0625 maj5m 3d 21h 1m
05 Jul 2018 @ 0924 maj4m 8h 41m
05 Jul 2018 @ 0043 maj2m 30s 4h 31m
04 Jul 2018 @ 2012 maj4h 19m
04 Jul 2018 @ 1553 maj3h 39m
04 Jul 2018 @ 1214 maj3h 41m
04 Jul 2018 @ 0833 maj19h 31m
03 Jul 2018 @ 1302 maj20h 31m
02 Jul 2018 @ 1631 maj6m 22h 3m
01 Jul 2018 @ 1828 maj3 1/2 min10m
01 Jul 2018 @ 1818 maj4 1/2 min3h 48m
01 Jul 2018 @ 14306m 19h 1m
30 Jun 2018 @ 1929 maj5m 1d 14m
29 Jun 2018 @ 1915 ie maj5h 15m
29 Jun 2018 @ 1400 maj6.5m 4h 9m
29 Jun 2018 @ 0951 maj18h 15m
28 Jun 2018 @ 1536 maj6m 3h 56m
28 Jun 2018 @ 1140 maj6m 17h 56m
27 Jun 2018 @ 1744 maj4m 33m
27 Jun 2018 @ 1711 maj7m 3h 23m
27 Jun 2018 @ 1348 maj4m 4h 6m
27 Jun 2018 @ 0942 maj3.5m 19h 36m
26 Jun 2018 @ 14064m 8h 13m
26 Jun 2018 @ 0553 maj7m 12h 43m
25 Jun 2018 @ 1710 maj4.5m 5h 52m
25 Jun 2018 @ 1118 maj5m 4h 21m
25 Jun 2018 @ 0657 maj4m 10m
25 Jun 2018 @ 0647 maj3.5m 20h 4m
24 Jun 2018 @ 1043 maj17h 16m
23 Jun 2018 @ 1727 maj3m 1d 6h 26m
22 Jun 2018 @ 1101 maj23h 33m
21 Jun 2018 @ 1128 ns maj1d 3h 17m
20 Jun 2018 @ 0811 maj20h 7m
19 Jun 2018 @ 1204 maj1d 2h 51m
18 Jun 2018 @ 0913 ?21h 31m
17 Jun 2018 @ 1142 maj18h 15m
16 Jun 2018 @ 1727 maj5m 4h 54m
16 Jun 2018 @ 1233 maj4m 2h 51m
16 Jun 2018 @ 0942 maj4m 14h 27m
15 Jun 2018 @ 1915 maj9h 6m
15 Jun 2018 @ 1009 ns maj14h 9m
14 Jun 2018 @ 2000 ie4h 37m
14 Jun 2018 @ 1523 maj~3m 3h 8m
14 Jun 2018 @ 1215 ie maj3h 34m
14 Jun 2018 @ 0841 maj1d 21h 15m
12 Jun 2018 @ 1126 maj4m 1d 22h 1m
10 Jun 2018 @ 1325 maj1d 16h 47m
08 Jun 2018 @ 2038 ie4h 56m
08 Jun 2018 @ 1542 maj7m 3h 13m
08 Jun 2018 @ 1229 maj4m 17h 46m
07 Jun 2018 @ 18434h 29m
07 Jun 2018 @ 1414 maj63h 42m
07 Jun 2018 @ 1032 maj519h 49m
06 Jun 2018 @ 1443 maj7m 4h 53m
06 Jun 2018 @ 0950 maj4 and half min3h 42m
06 Jun 2018 @ 0608 ie maj14h 21m
05 Jun 2018 @ 1547 maj~ 3 1/2 m2h 55m
05 Jun 2018 @ 1252 maj4h 24m
05 Jun 2018 @ 0828 ie maj2d 16h 3m
02 Jun 2018 @ 1625 maj5h 49m
02 Jun 2018 @ 1036 ns maj6m 15h 26m
01 Jun 2018 @ 1910 maj1d 8h 20m
31 May 2018 @ 1050 maj5h 15m
31 May 2018 @ 0535 maj5m 19h 34m
30 May 2018 @ 1001 ie maj12h 57m
29 May 2018 @ 2104 ie maj>8m 11d 30m
18 May 2018 @ 2034 maj12h 3m
18 May 2018 @ 0831 maj12h 47m
17 May 2018 @ 1944 maj~9.5m 2d 2h 0m
15 May 2018 @ 1744 majAbout 4m11h 40m
15 May 2018 @ 0604 ns15h 3m
14 May 2018 @ 1501 maj4m 5h 17m
14 May 2018 @ 0944 maj3h 32m
14 May 2018 @ 0612 maj5m 19h 13m
13 May 2018 @ 1059 maj23h 59m
12 May 2018 @ 1100 maj3m 5h 10m
12 May 2018 @ 0550 maj20h 38m
11 May 2018 @ 0912 maj7m 13h 47m
10 May 2018 @ 1925 ie4h 13m
10 May 2018 @ 1512 ie1d 21h 8m
08 May 2018 @ 1804 ie maj7d 8h 44m
01 May 2018 @ 0920 maj1d 16h 37m
29 Apr 2018 @ 1643 ie23h 52m
28 Apr 2018 @ 1651 ie4h 46m

Interval Statistics

Interval Count100
Min10m
Max11d 30m
Mean18h 59m
Median12h 23m

Latest Notes

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