Last Known Eruption
5d 21h 42m ago

Latest Eruptions

Eruption DurationInterval
14 Jul 2018 @ 070832m 11h 3m
13 Jul 2018 @ 20056h 52m
13 Jul 2018 @ 1313 ie1d 5h 35m
12 Jul 2018 @ 073821h 12m
11 Jul 2018 @ 1026 ie22h 2m
10 Jul 2018 @ 1224 ie1d 5h 37m
09 Jul 2018 @ 0647 ie8d 13h 35m
30 Jun 2018 @ 1712 ie2d 50m
28 Jun 2018 @ 16224h 51m
28 Jun 2018 @ 11315h 15m
28 Jun 2018 @ 06161d 16h 27m
26 Jun 2018 @ 13495h 6m
26 Jun 2018 @ 0843 ie1d 17h 45m
24 Jun 2018 @ 14585h 33m
24 Jun 2018 @ 092510d 21h 7m
13 Jun 2018 @ 1218 ie17h 13m
12 Jun 2018 @ 1905 ie5h 0m
12 Jun 2018 @ 1405 ie18h 12m
11 Jun 2018 @ 195312h 31m
11 Jun 2018 @ 0722 ie1d 11h 54m
09 Jun 2018 @ 1928 ie10h 47m
09 Jun 2018 @ 0841 ie6d 19h 52m
02 Jun 2018 @ 124919h 27m
01 Jun 2018 @ 17221d 9m
31 May 2018 @ 17134h 48m
31 May 2018 @ 12255h 35m
31 May 2018 @ 065016h 36m
30 May 2018 @ 1414~1h17m22h 54m
29 May 2018 @ 15201d 2h 48m
28 May 2018 @ 12324h 21m
28 May 2018 @ 08113d 13h 15m
24 May 2018 @ 18564h 53m
24 May 2018 @ 1403 ie6h 29m
24 May 2018 @ 0734 ie3d 12h 53m
20 May 2018 @ 1841 ie4h 30m
20 May 2018 @ 1411 ie4d 24m
16 May 2018 @ 134723h 51m
15 May 2018 @ 135612d 16m
03 May 2018 @ 1340 ns20h 25m
02 May 2018 @ 1715 ie1d 2h 41m
01 May 2018 @ 14345h 28m
01 May 2018 @ 0906 ns2s 1d 14h 20m
29 Apr 2018 @ 1846 ie1d 1h 20m
28 Apr 2018 @ 1726 ie6d 6h 52m
22 Apr 2018 @ 10341d 14h 49m
20 Apr 2018 @ 1945 ie79d 5h 10m
31 Jan 2018 @ 1335 ie34d 4h 48m
28 Dec 2017 @ 084768d 17h 52m
20 Oct 2017 @ 1555 ns26d 23h 10m
23 Sep 2017 @ 1645 ie7d 1h 37m
16 Sep 2017 @ 1508 ie2d 2h 55m
14 Sep 2017 @ 1213 ns22h 34m
13 Sep 2017 @ 1339 ie21h 35m
12 Sep 2017 @ 1604 ns1d 3h 30m
11 Sep 2017 @ 1234 ns20h 36m
10 Sep 2017 @ 1558 ie2m
10 Sep 2017 @ 1556 ie23h 6m
09 Sep 2017 @ 16509m
09 Sep 2017 @ 16411d 23h 59m
07 Sep 2017 @ 16423d 34m
04 Sep 2017 @ 160816h 28m
03 Sep 2017 @ 2340 ie8h 50m
03 Sep 2017 @ 1450 ie1d 20h 28m
01 Sep 2017 @ 1822 ie3d 5h 23m
29 Aug 2017 @ 1259 ns22h 39m
28 Aug 2017 @ 1420 ie5d 19h 30m
22 Aug 2017 @ 1850 ie1d 1h 54m
21 Aug 2017 @ 16562d 23h 36m
18 Aug 2017 @ 17205d 3h 18m
13 Aug 2017 @ 140217h 4m
12 Aug 2017 @ 20587d 6h 14m
05 Aug 2017 @ 1444 ns1d 18h 47m
03 Aug 2017 @ 19572d 52m
01 Aug 2017 @ 1905 ie3d 21h 59m
28 Jul 2017 @ 21069d 1h 13m
19 Jul 2017 @ 1953 ie4d 23h 24m
14 Jul 2017 @ 20291d 1h 29m
13 Jul 2017 @ 1900 ie2d 5h 5m
11 Jul 2017 @ 1355 ie3d 4h 29m
08 Jul 2017 @ 0926 ie1d 8m
07 Jul 2017 @ 0918 ie3d 16h 44m
03 Jul 2017 @ 1634 ie1d 55m
02 Jul 2017 @ 153921h 16m
01 Jul 2017 @ 1823 ie7d 3m
24 Jun 2017 @ 18201d 19h 27m
22 Jun 2017 @ 2253 ns1d 8h 29m
21 Jun 2017 @ 1424 ie6d 20h 12m
14 Jun 2017 @ 1812 ie1d 2h 24m
13 Jun 2017 @ 15482d 6h 24m
11 Jun 2017 @ 0924 ie2d 14h 24m
08 Jun 2017 @ 1900 ie2d 7h 47m
06 Jun 2017 @ 111316h 28m
05 Jun 2017 @ 18458h 38m
05 Jun 2017 @ 100716h 59m
04 Jun 2017 @ 1708 ie1d 23h 38m
02 Jun 2017 @ 1730 ns2d 2h 56m
31 May 2017 @ 143417h 58m
30 May 2017 @ 20362d 1h 11m
28 May 2017 @ 1925 ie1d 2h 1m
27 May 2017 @ 17243d 21h 56m

Interval Statistics

Interval Count100
Min2m
Max79d 5h 10m
Mean4d 3h 57m
Median1d 3h 9m

Latest Notes

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