Last Known Eruption
4h 31m ago

Latest Eruptions

Eruption DurationInterval
16 Jun 2019 @ 1905 ie8h 4m
16 Jun 2019 @ 11011h 10m 2h 18m
16 Jun 2019 @ 08433h 33m
16 Jun 2019 @ 0510 ie18h 51m
15 Jun 2019 @ 10191h 18m 23h 5m
14 Jun 2019 @ 11141d 19h 21m
12 Jun 2019 @ 15531d 5h 49m
11 Jun 2019 @ 100414h 32m
10 Jun 2019 @ 19323h 55m
10 Jun 2019 @ 15371h 22m 3h 57m
10 Jun 2019 @ 114023h 7m
09 Jun 2019 @ 1233 ie2d 14m
07 Jun 2019 @ 12198h 19m
07 Jun 2019 @ 0400 ie14h 48m
06 Jun 2019 @ 13128h 32m
06 Jun 2019 @ 0440 ie15h 0m
05 Jun 2019 @ 13403h 38m
05 Jun 2019 @ 1002 ns4h 57m
05 Jun 2019 @ 0505 ie6h 13m
04 Jun 2019 @ 2252 ie10h 15m
04 Jun 2019 @ 12371h 15m 5h 25m
04 Jun 2019 @ 071215h 0m
03 Jun 2019 @ 1612 ns2h 57m
03 Jun 2019 @ 1315 ie5h 56m
03 Jun 2019 @ 07191h 11m 13h 54m
02 Jun 2019 @ 172510h 26m
02 Jun 2019 @ 0659 ie14h 56m
01 Jun 2019 @ 1603 ie6h 12m
01 Jun 2019 @ 09511h 29m 16h 40m
31 May 2019 @ 17119h 19m
31 May 2019 @ 07521h 12m 10h 34m
30 May 2019 @ 21181h 27m
30 May 2019 @ 19512h 2m
30 May 2019 @ 17491h 17m 3h 30m
30 May 2019 @ 14192h 33m
30 May 2019 @ 114649m 4h 6m
30 May 2019 @ 07401h 15m 2h 35m
30 May 2019 @ 0505 ie>45m 6h 21m
29 May 2019 @ 2244 ie9h 9m
29 May 2019 @ 13358h 18m
29 May 2019 @ 05178h 33m
28 May 2019 @ 20443h 26m
28 May 2019 @ 17185h 43m
28 May 2019 @ 11352h 55m
28 May 2019 @ 0840 ie1d 16h 48m
26 May 2019 @ 1552 ie4d 1h 20m
22 May 2019 @ 14321d 17h 50m
20 May 2019 @ 2042 ns2d 11h 16m
18 May 2019 @ 0926 ie1d 16h 57m
16 May 2019 @ 1629 ie4d 21h 54m
11 May 2019 @ 1835 ie5h 59m
11 May 2019 @ 1236 ie15h 9m
10 May 2019 @ 2127 ie6d 10h 33m
04 May 2019 @ 1054 ie16h 50m
03 May 2019 @ 18043h 30m
03 May 2019 @ 1434 ie7d 23h 0m
25 Apr 2019 @ 153490d 23h 58m
24 Jan 2019 @ 143694d 22h 59m
21 Oct 2018 @ 1637 ie5d 7h 18m
16 Oct 2018 @ 09193d 18h 13m
12 Oct 2018 @ 1506 ie3h 30m
12 Oct 2018 @ 1136 ie8d 1h 32m
04 Oct 2018 @ 1004 ie2d 5m
02 Oct 2018 @ 0959 ie16h 20m
01 Oct 2018 @ 1739 ie1d 3h 31m
30 Sep 2018 @ 1408 ie1d 19h 44m
28 Sep 2018 @ 18241d 1h 46m
27 Sep 2018 @ 1638 ie5h 37m
27 Sep 2018 @ 1101 ie1d 16h 10m
25 Sep 2018 @ 1851 ie1d 4h 11m
24 Sep 2018 @ 144023h 41m
23 Sep 2018 @ 1459 ie22h 12m
22 Sep 2018 @ 1647 ie2d 4h 4m
20 Sep 2018 @ 1243 ie2h 58m
20 Sep 2018 @ 0945 ie14h 12m
19 Sep 2018 @ 19331d 7h 48m
18 Sep 2018 @ 1145 ie18h 43m
17 Sep 2018 @ 1702 ie1d 52m
16 Sep 2018 @ 1610 ie1d 4h 10m
15 Sep 2018 @ 1200 ns16h 50m
14 Sep 2018 @ 1910 ie3h 7m
14 Sep 2018 @ 1603 ie2d 5h 52m
12 Sep 2018 @ 1011 ie2d 5m
10 Sep 2018 @ 10061h 10m 13h 57m
09 Sep 2018 @ 20097h 58m
09 Sep 2018 @ 1211 ie2h 59m
09 Sep 2018 @ 0912 ie14h 40m
08 Sep 2018 @ 1832 ie1d 4h 44m
07 Sep 2018 @ 1348 ie9d 23h 18m
28 Aug 2018 @ 143020d 23h 28m
07 Aug 2018 @ 1502 ns6h 27m
07 Aug 2018 @ 0835 ie7m
07 Aug 2018 @ 082823h 37m
06 Aug 2018 @ 085122h 45m
05 Aug 2018 @ 1006 ie22d 2h 58m
14 Jul 2018 @ 070832m 11h 3m
13 Jul 2018 @ 20056h 52m
13 Jul 2018 @ 1313 ie4d 6h 26m
09 Jul 2018 @ 0647 ie8d 13h 35m
30 Jun 2018 @ 1712 ie2d 50m

Interval Statistics

Interval Count100
Min7m
Max94d 22h 59m
Mean3d 12h 44m
Median14h 58m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
11846 16 Jun 2019 @ 1715 16 Jun 2019 @ 1905 LynnS Break in data collection
11841 16 Jun 2019 @ 1420 16 Jun 2019 @ 1620 LynnS Break in data collection
11215 11 May 2019 @ 1200 --- Tara Empty.
10998 19 Apr 2019 @ 1420 --- Maureen Spasm overflowing and very blue, small boil on right pool.
10641 21 Oct 2018 @ 0824 --- rbwhitaker Drained
8671 13 Jun 2018 @ 1609 --- JSJ Pool already full & roiling at 1609. Already in overflow - runoff was filling Jelly Geyser's basin. Spasm Geyser's crater was already empty at 1646.
8267 22 May 2018 @ 1701 22 May 2018 @ 1745 jazzknick Filling. Murky water. 10 inches below overflow to start of overflow at 1714. Boiling to 2 feet. Continues to 1745 and then during Fountain play.
5390 25 Aug 2017 @ 0730 25 Aug 2017 @ 1035 Brian Spasm seen in overflow from at least 0730 until FTN, did slow drain after that, empty at 1012
4246 06 Jun 2017 @ 2000 06 Jun 2017 @ 2154 LynnS Spasm was dry the entire time.
3413 02 Aug 2016 @ 1715 02 Aug 2016 @ 1724 JSJ Full and roiling at 1715. Already overflowing into Jelly Geyser (includes Fountain's runoff) at 1724.
3026 09 Jun 2016 @ 1750 09 Jun 2016 @ 1811 JSJ Spasm already full and roiling at 1750. Basin already empty at 1811.
2035 06 Aug 2015 @ 1747 06 Aug 2015 @ 1918 JSJ Noticed at 1747 that Spasm Geyser's basin was nearly full, with 2 roils. Overflow at 1839. Overflow reached hole next to Jelly Geyser at 1843. Hole filled with water relatively quickly, with overflow at 1847. That overflow reached Jelly Geyser's basin at 1849.
228 17 Jul 1972 @ 1628 --- BoekelUpload 1628murky H2O
229 17 Jul 1972 @ 1628 --- BoekelUpload 1628murky H2O
EntrySourceLinkComment
07 Jul 2016 @ 1456 JSJ https://www.youtube.com/watch?v=nart9YM7O9I#t=7m57s Clips 36-53 of this video compilation (time stamp 7:57 to the end) show Spasm Geyser erupting during the mid-afternoon of 7 July 2016.
13 Aug 2015 @ 1800 JSJ https://www.youtube.com/watch?v=nart9YM7O9I#t=3m53s Clips 17-35 of this video compilation (time stamp 3:53 to 7:56) show Spasm Geyser erupting during the early evening of 13 August 2015.
05 Aug 2013 @ 0901 JSJ https://www.youtube.com/watch?v=nart9YM7O9I Clips 1-4 of this video compilation (beginning to time stamp 0:47) show Spasm Geyser erupting during the mid-morning of 5 August 2013.
Baseline does not exist.


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