Last Known Eruption
2d 3h 39m ago

Latest Eruptions

Eruption DurationInterval
22 Sep 2018 @ 2103 maj4h 7m
22 Sep 2018 @ 1656 ie maj21h 52m
21 Sep 2018 @ 1904 maj8h 58m
21 Sep 2018 @ 1006 maj13h 57m
20 Sep 2018 @ 2009 maj1d 4h 10m
19 Sep 2018 @ 1559 maj6m 1d 4m
18 Sep 2018 @ 1555 ie1d 8m
17 Sep 2018 @ 1547 maj~3m 1d 2h 0m
16 Sep 2018 @ 1347 maj1d 1h 54m
15 Sep 2018 @ 1153 maj~5.5m 15m
15 Sep 2018 @ 1138 maj~3m 2h 46m
15 Sep 2018 @ 0852 maj1d 14h 45m
13 Sep 2018 @ 1807 maj8h 45m
13 Sep 2018 @ 09225m 16h 0m
12 Sep 2018 @ 17225m 6h 39m
12 Sep 2018 @ 1043 ie22h 47m
11 Sep 2018 @ 1156 ie4h 1m
11 Sep 2018 @ 0755 maj4m 2d 17h 3m
08 Sep 2018 @ 1452 maj2h 56m
08 Sep 2018 @ 1156 maj12h 33m
07 Sep 2018 @ 2323 maj3h 34m
07 Sep 2018 @ 1949 maj22m
07 Sep 2018 @ 1927 A2h 24m
07 Sep 2018 @ 1703 maj5h 31m
07 Sep 2018 @ 1132 maj3h 11m
07 Sep 2018 @ 0821 maj4.75m 17h 34m
06 Sep 2018 @ 1447 maj4h 11m
06 Sep 2018 @ 1036 maj3h 26m
06 Sep 2018 @ 0710 maj7.5m 12h 43m
05 Sep 2018 @ 1827 maj~ 3 1/2 m4h 23m
05 Sep 2018 @ 1404 maj4.5m 3h 41m
05 Sep 2018 @ 1023 ie maj3h 0m
05 Sep 2018 @ 07235m 17h 10m
04 Sep 2018 @ 14133m 16s 21h 33m
03 Sep 2018 @ 1640~4m 7h 6m
03 Sep 2018 @ 0934 maj17h 38m
02 Sep 2018 @ 1556 maj1d 4h 44m
01 Sep 2018 @ 1112 maj1h 58m
01 Sep 2018 @ 0914 maj5m 14h 48m
31 Aug 2018 @ 1826 ns maj1d 53m
30 Aug 2018 @ 1733 maj4.54h 19m
30 Aug 2018 @ 1314 maj4m 6h 10m
30 Aug 2018 @ 0704 maj6m 8h 41m
29 Aug 2018 @ 2223 maj4.5m 3h 43m
29 Aug 2018 @ 1840 maj6.5m 4h 50m
29 Aug 2018 @ 1350 maj3.5m 3h 11m
29 Aug 2018 @ 1039 maj4m 12h 6m
28 Aug 2018 @ 2233 ? ns8h 59m
28 Aug 2018 @ 13343.5m 10m
28 Aug 2018 @ 13244m 3h 53m
28 Aug 2018 @ 0931 maj3.5m 20h 53m
27 Aug 2018 @ 1238 maj6m 5h 13m
27 Aug 2018 @ 0725 maj4m 13h 32m
26 Aug 2018 @ 1753 maj3.5m 5h 54m
26 Aug 2018 @ 11594m 4h 46m
26 Aug 2018 @ 0713 maj2m 15m
26 Aug 2018 @ 0658 maj2m 11h 15m
25 Aug 2018 @ 1943 maj5h 6m
25 Aug 2018 @ 1437 maj3m 30s 3h 49m
25 Aug 2018 @ 1048 maj18h 36m
24 Aug 2018 @ 1612 maj3h 42m
24 Aug 2018 @ 12303h 18m
24 Aug 2018 @ 091213h 18m
23 Aug 2018 @ 1954 maj5m 5h 47m
23 Aug 2018 @ 14074m 23h 39m
22 Aug 2018 @ 1428 maj1d 4h 47m
21 Aug 2018 @ 0941 maj17h 51m
20 Aug 2018 @ 1550 maj6h 33m
20 Aug 2018 @ 0917 maj12m
20 Aug 2018 @ 0905 maj14h 29m
19 Aug 2018 @ 18361d 4h 58m
18 Aug 2018 @ 1338 maj~5m 4h 19m
18 Aug 2018 @ 09193m 18h 31m
17 Aug 2018 @ 1448 maj3h 58m
17 Aug 2018 @ 1050 maj3d 33m
14 Aug 2018 @ 1017 ? ns1d 14h 50m
12 Aug 2018 @ 1927 ? maj1h 9m
12 Aug 2018 @ 1818 ? ie24m
12 Aug 2018 @ 1754 maj3h 43m
12 Aug 2018 @ 1411 maj3m 1d 3h 34m
11 Aug 2018 @ 1037 ie maj3h 49m
11 Aug 2018 @ 0648 maj4m 1d 11h 55m
09 Aug 2018 @ 1853 ns maj10h 49m
09 Aug 2018 @ 0804 maj11h 12m
08 Aug 2018 @ 2052 maj7h 34m
08 Aug 2018 @ 1318 maj7m 4h 21m
08 Aug 2018 @ 0857 maj1d 18h 39m
06 Aug 2018 @ 1418 maj21h 44m
05 Aug 2018 @ 1634 maj6h 55m
05 Aug 2018 @ 0939 maj4m 1d 13h 16m
03 Aug 2018 @ 2023 maj3m 3h 25m
03 Aug 2018 @ 1658 maj3m 11m
03 Aug 2018 @ 1647 maj4m 3h 45m
03 Aug 2018 @ 1302 maj7m 3h 25m
03 Aug 2018 @ 0937 maj9m
03 Aug 2018 @ 092823h 52m
02 Aug 2018 @ 09364m 2h 58m
02 Aug 2018 @ 0638 ie1d 5h 45m
01 Aug 2018 @ 0053 maj3h 48m
31 Jul 2018 @ 21056h 7m

Interval Statistics

Interval Count100
Min9m
Max3d 33m
Mean12h 46m
Median6h 47m

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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