Last Known Eruption
18h 53m ago

Latest Eruptions

Eruption DurationInterval
28 Jun 2022 @ 13035h 51m
28 Jun 2022 @ 071222h 7m
27 Jun 2022 @ 090515h 43m
26 Jun 2022 @ 17224h 51m
26 Jun 2022 @ 12315h 5m
26 Jun 2022 @ 072616h 41m
25 Jun 2022 @ 144559m 8h 46m
25 Jun 2022 @ 05591d 59m
24 Jun 2022 @ 0500 ie>6h 44m 16h 48m
23 Jun 2022 @ 12125h 47m
23 Jun 2022 @ 062557m 8h 42m
22 Jun 2022 @ 21436h 15m
22 Jun 2022 @ 15281h 22m 16h 28m
21 Jun 2022 @ 2300 A5h 32m
21 Jun 2022 @ 17281h 11m 2d 49m
19 Jun 2022 @ 16394h 8m
19 Jun 2022 @ 123117h 32m
18 Jun 2022 @ 1859 ie9h 42m
18 Jun 2022 @ 0917 ie13h 47m
17 Jun 2022 @ 1930 ie21h 42m
16 Jun 2022 @ 2148 ie9h 31m
16 Jun 2022 @ 1217 ie15h 41m
15 Jun 2022 @ 2036 ie4d 13h 46m
11 Jun 2022 @ 0650 ie23h 2m
10 Jun 2022 @ 07486h 37m 13h 53m
09 Jun 2022 @ 1755 ie2d 3h 15m
07 Jun 2022 @ 14401h 10m 5h 54m
07 Jun 2022 @ 08461h 6m 21h 10m
06 Jun 2022 @ 1136 ie1d 18h 15m
04 Jun 2022 @ 1721 ie1d 2h 16m
03 Jun 2022 @ 1505~1h 25m 8h 19m
03 Jun 2022 @ 0646 ie22h 28m
02 Jun 2022 @ 0818 ie1d 11h 38m
31 May 2022 @ 2040 ie2d 5h 55m
29 May 2022 @ 1445 ie20h 51m
28 May 2022 @ 1754 ie2d 5h 35m
26 May 2022 @ 1219~1h 11m 2d 2h 43m
24 May 2022 @ 09361h 4m 2d 15h 16m
21 May 2022 @ 18201h 45m
21 May 2022 @ 1635 ie2h 28m
21 May 2022 @ 14073h 19m 4h 52m
21 May 2022 @ 09152h 33m 2d 23h 59m
18 May 2022 @ 0916~2h 10m 4d 14h 28m
13 May 2022 @ 18487d 4h 40m
06 May 2022 @ 1408 ie19h 39m
05 May 2022 @ 1829 ie3d 9h 32m
02 May 2022 @ 0857 ie19h 26m
01 May 2022 @ 1331 ie19h 1m
30 Apr 2022 @ 18303d 3h 51m
27 Apr 2022 @ 1439 ie5m 5h 26m
27 Apr 2022 @ 0913 ie5d 22h 22m
21 Apr 2022 @ 1051 ie44d 19h 51m
07 Mar 2022 @ 140010d 14m
25 Feb 2022 @ 1346 ie17d 23h 54m
07 Feb 2022 @ 13525d 23h 33m
01 Feb 2022 @ 1419 ie95d 23h 59m
28 Oct 2021 @ 1520 ie10d 4h 16m
18 Oct 2021 @ 1104 ie1h 39m
18 Oct 2021 @ 0925 ns15h 31m
17 Oct 2021 @ 1754 ie5d 3h 53m
12 Oct 2021 @ 1401 ie1d 4h 8m
11 Oct 2021 @ 0953 ie4d 17h 19m
06 Oct 2021 @ 1634 ie1d 2h 28m
05 Oct 2021 @ 14066414m
05 Oct 2021 @ 1352 ns4d 13m
01 Oct 2021 @ 1339>7h 21m 4h 11m
01 Oct 2021 @ 09281h 28m 6d 22h 22m
24 Sep 2021 @ 110622h 21m
23 Sep 2021 @ 12451h 24m 5h 9m
23 Sep 2021 @ 07361h 23m 2d 21h 8m
20 Sep 2021 @ 10281h 23m 18h 39m
19 Sep 2021 @ 15491h 27m 5d 3h 59m
14 Sep 2021 @ 11501h 22m 4h 55m
14 Sep 2021 @ 0655 ie22h 50m
13 Sep 2021 @ 0805 ns3h 21m 18h 11m
12 Sep 2021 @ 1354 ie3d 5h 53m
09 Sep 2021 @ 0801 ns~6h 55m 4d 19h 47m
04 Sep 2021 @ 1214~44m 58m
04 Sep 2021 @ 111614m 16h 16m
03 Sep 2021 @ 1900 ie3h 51m
03 Sep 2021 @ 150944m 5h 12m
03 Sep 2021 @ 09571h 6m 2d 18h 37m
31 Aug 2021 @ 1520 ns4h 55m 3h 5m
31 Aug 2021 @ 12151h 26m 1d 19h 55m
29 Aug 2021 @ 16201h 28m 5h 2m
29 Aug 2021 @ 11181h 23m 3h 49m
29 Aug 2021 @ 0729 ieIn overflow.3d 10m
26 Aug 2021 @ 0719 ie16h 19m
25 Aug 2021 @ 1500 ns~1h 26m 4h 26m
25 Aug 2021 @ 10341h 23m 16h 38m
24 Aug 2021 @ 17565d 22h 4m
18 Aug 2021 @ 19523d 10h 2m
15 Aug 2021 @ 0950 ie1d 15h 44m
13 Aug 2021 @ 18065h 56m
13 Aug 2021 @ 12102d 32m
11 Aug 2021 @ 1138 ns2d 22h 28m
08 Aug 2021 @ 1310 ie6d 16h 36m
01 Aug 2021 @ 2034 ie4d 13h 47m
28 Jul 2021 @ 06471h 33m 23h 16m
27 Jul 2021 @ 07312d 13h 17m

Interval Statistics

Interval Count100
Min14m
Max95d 23h 59m
Mean3d 9h 18m
Median21h 54m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
22072 22 Jun 2022 @ 0820 22 Jun 2022 @ 1810 LynnS The only eruption of Spasm during this time was the eruption at 1528, which lasted 1h22m.
21895 10 Jun 2022 @ 0722 --- Graham Water slowly rising.
21408 21 May 2022 @ 1757 --- Graham Water slowly rising.
21403 21 May 2022 @ 1259 --- Graham Drained fast once Clepsydra came on strong.
21401 21 May 2022 @ 0820 --- Graham Water visible and rising.
21355 18 May 2022 @ 0838 --- Graham Water calmly rising in Spasm. Likely in a Fountain stall with 5 Clepsydra pauses so far.
19889 05 Oct 2021 @ 0951 05 Oct 2021 @ 1020 Jesselee In eruption at 0951
19841 01 Oct 2021 @ 1308 --- Graham Water rising during 4th Clepsydra pause. Dropped when Clepsydra erupted. 1311 water rising again during next pause and dropping when Clepsydra came on. 1336 rising during next pause.
19839 01 Oct 2021 @ 0749 --- Graham Water slowly rising while Clepsydra is in at least 3rd pause.
19664 20 Sep 2021 @ 0930 --- Graham Water visible in pool. Dropped when Clepsydra turned on strong.
19533 13 Sep 2021 @ 0749 --- Graham Water rising calmly.
19513 12 Sep 2021 @ 1424 --- Graham Pools connected with calm water. Dropping 1426.
19407 09 Sep 2021 @ 1456 --- Graham Spasm end time after Fountain. D~6h55m! No eruption by 1935.
19399 09 Sep 2021 @ 0748 --- Graham Water pooled and visible in the crater.
19209 31 Aug 2021 @ 2015 --- Graham Quit at 2015.
19188 31 Aug 2021 @ 1512 --- Graham Water standing in Spasm and Jelly just below the beach, refilled after Fountain. This is the 5th pause in Clepsydra. 1516 rising and both pools are connected. 1520 still rising and bubbling.
19180 31 Aug 2021 @ 0726 --- Graham Nearly full but dropping. Clepsydra side pool splashing over the rim. 0804 steaming and Jelly only dropped a little, just below the beach, but then drained empty during Fountain.
19153 29 Aug 2021 @ 0947 --- Graham Water pooling in the vent with no splashing. Dropped after Clepsydra restarted from 4th pause. It was empty during Fountain eruption.
18801 02 Aug 2021 @ 0900 02 Aug 2021 @ 1245 Brian Empty and inactive during this period of time
18657 25 Jul 2021 @ 1040 --- LynnS Empty and quiet
18632 24 Jul 2021 @ 0854 --- LynnS Crater is empty
18263 03 Jul 2021 @ 1910 --- William quit within the last 5 minutes
17986 21 Jun 2021 @ 2016 --- Tara Empty.
17772 14 Jun 2021 @ 1155 --- LynnS Stopped bursting and started draining.; completely drained by 1205
17484 05 Jun 2021 @ 0925 --- Graham First overflow.
17485 05 Jun 2021 @ 0820 --- Graham Came up strong, looked like it was starting as splashes reached above the rim but then it drained by 0828.
17289 30 May 2021 @ 1415 --- Graham Steaming and gurgling at depth but did not erupt.
17188 26 May 2021 @ 1101 --- bbev full and overflowing. Draining at 1105
16390 10 Oct 2020 @ 1225 --- steve Full and overflowing but not erupting. Drained 1258
15463 08 Aug 2020 @ 0915 08 Aug 2020 @ 0950 LynnS Spasm did not erupt during this time.
15121 29 Jul 2020 @ 0700 --- LynnS Not in eruption, crater empty
14824 01 Jul 2020 @ 0608 --- Graham Just ended eruption, full and just dropping below overflow. Clepsydra side vent is splashy.
14721 24 Jun 2020 @ 0700 --- LynnS Not in eruption
14662 18 Jun 2020 @ 0705 --- LynnS Crater is empty
13223 13 Aug 2019 @ 1913 --- Tara Draining.
12881 31 Jul 2019 @ 0703 --- rbwhitaker No water visible
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.