Last Known Eruption
3d 9h 32m ago

Latest Eruptions

Eruption DurationInterval
27 May 2020 @ 0915 ie wc1h 21m
27 May 2020 @ 0754 ns wc1h 19m
27 May 2020 @ 0635 ns wc10h 43m
26 May 2020 @ 1952 ie wc1h 42m
26 May 2020 @ 1810 ns wc1h 12m
26 May 2020 @ 1658 ns wc4h 39m
26 May 2020 @ 1219 ie wc1h 24m
26 May 2020 @ 1055 ns wc1h 46m
26 May 2020 @ 0909 ns wc1h 15m
26 May 2020 @ 0754 ie wc1h 20m
26 May 2020 @ 0634 ns wc15h 24m
25 May 2020 @ 1510 ns wc1h 16m
25 May 2020 @ 1354 ie wc1h 16m
25 May 2020 @ 1238 ie wc1h 19m
25 May 2020 @ 1119 ie wc1h 16m
25 May 2020 @ 1003 ie wc1h 15m
25 May 2020 @ 0848 ns wc1h 13m
25 May 2020 @ 0735 ie wc2h 34m
25 May 2020 @ 0501 wc14h 34m
24 May 2020 @ 1427 ns wc51m
24 May 2020 @ 1336 ie wc1h 33m
24 May 2020 @ 1203 ie wc1h 16m
24 May 2020 @ 1047 ns wc1h 31m
24 May 2020 @ 0916 ns wc1h 18m
24 May 2020 @ 0758 ie wc1h 16m
24 May 2020 @ 0642 ie wc1d 13h 38m
22 May 2020 @ 1704 ie wc1h 59m
22 May 2020 @ 1505 ns wc1h 19m
22 May 2020 @ 1346 ie wc1h 10m
22 May 2020 @ 1236 ns wc1h 21m
22 May 2020 @ 1115 ie wc20h 49m
21 May 2020 @ 1426 ie wc3h 8m
21 May 2020 @ 1118 ie wc1h 34m
21 May 2020 @ 0944 ie wc1h 14m
21 May 2020 @ 0830 ie wc1h 20m
21 May 2020 @ 0710 ie wc1h 14m
21 May 2020 @ 0556 ie wc11h 36m
20 May 2020 @ 1820 ie wc3h 37m
20 May 2020 @ 1443 ns wc2h 35m
20 May 2020 @ 1208 ie wc1h 37m
20 May 2020 @ 1031 ie wc1h 33m
20 May 2020 @ 0858 ns wc2h 27m
20 May 2020 @ 0631 ie wc14h 44m
19 May 2020 @ 1547 ie wc1h 18m
19 May 2020 @ 1429 ie wc1h 16m
19 May 2020 @ 1313 ie wc1h 24m
19 May 2020 @ 1149 ie wc1h 20m
19 May 2020 @ 1029 ie wc1h 26m
19 May 2020 @ 0903 ie wc1h 37m
19 May 2020 @ 0726 ie wc1h 14m
19 May 2020 @ 0612 ns wc14h 24m
18 May 2020 @ 1548 ie wc1h 12m
18 May 2020 @ 1436 ie wc1h 29m
18 May 2020 @ 1307 ie wc1h 17m
18 May 2020 @ 1150 ie wc1h 20m
18 May 2020 @ 1030 ns wc1h 19m
18 May 2020 @ 0911 ie wc1h 16m
18 May 2020 @ 0755 ie wc1h 26m
18 May 2020 @ 0629 ns wc22h 27m
17 May 2020 @ 0802 ie wc1h 17m
17 May 2020 @ 0645 ns wc18h 2m
16 May 2020 @ 1243 ie wc1h 47m
16 May 2020 @ 1056 ns wc1h 13m
16 May 2020 @ 0943 ie wc1h 22m
16 May 2020 @ 0821 ie wc1h 13m
16 May 2020 @ 0708 ie wc1h 21m
16 May 2020 @ 0547 ie wc9h 56m
15 May 2020 @ 1951 ie wc3d 12h 33m
12 May 2020 @ 0718 ie wc1h 12m
12 May 2020 @ 0606 ns wc19h 31m
11 May 2020 @ 1035 ns wc14h 13m
10 May 2020 @ 2022 ns wc1h 30m
10 May 2020 @ 1852 ns wc1h 53m
10 May 2020 @ 1659 ie wc1h 15m
10 May 2020 @ 1544 ns wc1h 17m
10 May 2020 @ 1427 ns wc1h 26m
10 May 2020 @ 1301 ns wc1h 20m
10 May 2020 @ 1141 ie wc1h 17m
10 May 2020 @ 1024 ns wc1h 20m
10 May 2020 @ 0904 ie wc1h 14m
10 May 2020 @ 0750 ns wc1h 21m
10 May 2020 @ 0629 ie wc1d 21h 11m
08 May 2020 @ 0918 ie wc3d 1h 50m
05 May 2020 @ 0728 ie wc2d 1h 40m
03 May 2020 @ 0548 ns wc21h 22m
02 May 2020 @ 0826 ie wc15h 53m
01 May 2020 @ 1633 ie wc3d 10h 59m
28 Apr 2020 @ 0534 ie wc21h 43m
27 Apr 2020 @ 0751 ie wc2d 23h 15m
24 Apr 2020 @ 0836 ns wc2d 16m
22 Apr 2020 @ 0820 ie wc23h 41m
21 Apr 2020 @ 0839 ie wc1h 32m
21 Apr 2020 @ 0707 ie wc23h 33m
20 Apr 2020 @ 0734 ie wc19h 48m
19 Apr 2020 @ 1146 ie wc4h 0m
19 Apr 2020 @ 0746 ie wc22h 37m
18 Apr 2020 @ 0909 ie wc1h 32m
18 Apr 2020 @ 0737 ie wc4d 21h 45m
13 Apr 2020 @ 0952 ie wc1h 55m
13 Apr 2020 @ 0757 ie wc22h 49m

Interval Statistics

Interval Count100
Min51m
Max4d 21h 45m
Mean10h 48m
Median1h 30m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
10947 16 Feb 2019 @ 1205 --- JarnoO start of steaming event; ended before 1219.
10946 16 Feb 2019 @ 0936 --- JarnoO steam only, not sure if it's an actual eruption
7783 28 Oct 2017 @ 0839 --- JarnoO I think I saw some splashes above its cone
7731 22 Oct 2017 @ 1930 --- JSJ No daytime Split Cone eruptions.
7728 22 Oct 2017 @ 0720 --- JSJ No more Split Cone eruptions since the 2235 event last night.
7708 13 Oct 2017 @ 1940 --- JSJ No full Split Cone eruptions during the day. No activity to occasional light steaming (e.g., at 1332 for a couple hours) to somewhat moderate steaming.
7707 13 Oct 2017 @ 0710 --- JSJ No Split Cone eruptions overnight.
7706 12 Oct 2017 @ 1948 --- JSJ No Split Cone eruptions during the day.
7705 12 Oct 2017 @ 0709 --- JSJ No Split Cone eruptions overnight.
7704 11 Oct 2017 @ 1949 --- JSJ Light to moderate steaming in the early morning, when it was cold, but no full eruptions today.
7703 11 Oct 2017 @ 0730 --- JSJ No Split Cone eruptions overnight.
7564 01 Oct 2017 @ 0655 --- JSJ No full eruptions on GOSA's overnight capture. Light to ~moderate steaming only.
4373 27 Jun 2017 @ 1406 --- Art Split Cone mound struck by lightning.
4017 27 Apr 2017 @ 0250 27 Apr 2017 @ 0301 JSJ Steaming event from 0250 to 0301 (webcam observation) - not enough to interpret as an eruption (?).
3236 07 Jul 2016 @ 0326 --- JarnoO May have erupted. The steam cloud was visible for 6 minutes.
759 16 Feb 2013 @ 2000 17 Feb 2013 @ 0800 Micah Kipple Melted Runoff channel seems to indicate it erupted overnight.
EntrySourceLinkComment
07 Aug 2018 @ 1654 JSJ https://www.youtube.com/watch?v=NS87tzAqRls Video compilation of Split Cone Geyser's 4:54 to 5:06 PM eruption on 7 August 2018.
11 May 2017 @ 1731 JSJ https://www.youtube.com/watch?v=qgkZfDWlSn0 Video via web camera of part of Split Cone Geyser's 5:31 to 5:50 PM eruption on 11 May 2017.
04 May 2015 @ 0902 td http://tinypic.com/m/io3fih/3 snapped 09:10 MT 5/04/15
Baseline does not exist.


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