Last Known Eruption
3d 16h 3m ago

Latest Eruptions

Eruption DurationInterval
22 Jun 2022 @ 0623 ie wc3d 23h 24m
18 Jun 2022 @ 0659 ie wc13d 22h 12m
04 Jun 2022 @ 0847 ie wc2h 17m
04 Jun 2022 @ 0630 ie wc23h 29m
03 Jun 2022 @ 0701 ie wc16d 21h 10m
17 May 2022 @ 0951 ie wc15d 1h 55m
02 May 2022 @ 0756 ie wc6d 21m
26 Apr 2022 @ 0735 ie wc23h 23m
25 Apr 2022 @ 0812 ie wc3d 17h 21m
21 Apr 2022 @ 1451 ie wc11d 6h 55m
10 Apr 2022 @ 0756 ie wc1d 23h 34m
08 Apr 2022 @ 0822 ie wc2h 21m
08 Apr 2022 @ 0601 ie wc6d 21h 23m
01 Apr 2022 @ 0838 ie wc3d 3m
29 Mar 2022 @ 0835 ie wc1h 19m
29 Mar 2022 @ 0716 ie wc22h 47m
28 Mar 2022 @ 0829 ie wc1h 19m
28 Mar 2022 @ 0710 ns wc2d 0m
26 Mar 2022 @ 0710 ie wc5d 6m
21 Mar 2022 @ 0704 ie wc1d 14h 4m
19 Mar 2022 @ 1700 ie wc19d 3h 23m
28 Feb 2022 @ 1237 ie wc5d 5h 13m
23 Feb 2022 @ 0724 ie wc12d 20h 56m
10 Feb 2022 @ 1028 ie9d 18h 25m
31 Jan 2022 @ 1603 ie wc2d 8h 40m
29 Jan 2022 @ 0723 ns wc22h 33m
28 Jan 2022 @ 0850 ie wc22h 19m
27 Jan 2022 @ 1031 ie wc19h 25m
26 Jan 2022 @ 1506 ie wc2d 7h 31m
24 Jan 2022 @ 0735 ie wc1d 15h 15m
22 Jan 2022 @ 1620 ie wc1d 6h 0m
21 Jan 2022 @ 1020 ie wc9d 23h 36m
11 Jan 2022 @ 1044 ie wc14d 3h 29m
28 Dec 2021 @ 0715 ie wc18d 20h 43m
09 Dec 2021 @ 1032 ns wc2d 13m
07 Dec 2021 @ 1019 ie wc3d 3h 26m
04 Dec 2021 @ 0653 wc2d 23h 43m
01 Dec 2021 @ 0710 wc5d 21h 38m
25 Nov 2021 @ 0932 wc~12m 2d 2h 8m
23 Nov 2021 @ 0724 wc22h 38m
22 Nov 2021 @ 0846 ie wc1d 23h 55m
20 Nov 2021 @ 0851 ie wc2d 15h 17m
17 Nov 2021 @ 1734 wc7d 10h 12m
10 Nov 2021 @ 0722 ie wc4d 14h 14m
05 Nov 2021 @ 1808 ie wc1h 15m
05 Nov 2021 @ 1653 ie wc4d 7h 37m
01 Nov 2021 @ 0916 ie wc10d 53m
22 Oct 2021 @ 0823 ie wc7d 38m
15 Oct 2021 @ 0745 wc14d 20h 45m
30 Sep 2021 @ 1100 wc1d 2h 46m
29 Sep 2021 @ 0814 ie wc2d 22h 49m
26 Sep 2021 @ 0925 ie wc6d 1h 13m
20 Sep 2021 @ 0812 wc2d 22h 21m
17 Sep 2021 @ 0951 ie wc1h 31m
17 Sep 2021 @ 0820 ie wc3d 1h 26m
14 Sep 2021 @ 0654 ie wc2d 20h 24m
11 Sep 2021 @ 1030 ns wc2d 3h 1m
09 Sep 2021 @ 0729 ie wc4d 23h 28m
04 Sep 2021 @ 0801 ns wc23h 52m
03 Sep 2021 @ 0809 ie wc4d 28m
30 Aug 2021 @ 0741 ie wc2d 23h 21m
27 Aug 2021 @ 0820 ie wc13d 23h 54m
13 Aug 2021 @ 0826 ie wc6d 21h 20m
06 Aug 2021 @ 1106 ie wc4d 4h 4m
02 Aug 2021 @ 0702 ie wc1d 16h 58m
31 Jul 2021 @ 1404 ie6h 10m
31 Jul 2021 @ 0754 ie wc5d 23m
26 Jul 2021 @ 0731 ie wc8d 32m
18 Jul 2021 @ 0659 ie wc2d 23h 19m
15 Jul 2021 @ 0740 ie wc19d 19m
26 Jun 2021 @ 0721 ie wc4d 23h 31m
21 Jun 2021 @ 0750 ie wc1d 1h 28m
20 Jun 2021 @ 0622 ie wc22h 11m
19 Jun 2021 @ 0811 ie wc1h 36m
19 Jun 2021 @ 0635 ie wc1d 10m
18 Jun 2021 @ 0625 ie wc37d 19h 29m
11 May 2021 @ 1056 ie wc5d 3h 40m
06 May 2021 @ 0716 ns wc4d 22h 34m
01 May 2021 @ 0842 ns wc1h 11m
01 May 2021 @ 0731 ns wc23h 27m
30 Apr 2021 @ 0804 wc2d 22h 49m
27 Apr 2021 @ 0915 ie wc1d 1h 31m
26 Apr 2021 @ 0744 ie wc2d 45m
24 Apr 2021 @ 0659 ns wc20h 43m
23 Apr 2021 @ 1016 ie wc1h 14m
23 Apr 2021 @ 0902 ie wc2h 32m
23 Apr 2021 @ 0630 ns wc10h 29m
22 Apr 2021 @ 2001 ns wc1h 43m
22 Apr 2021 @ 1818 ns wc4d 9h 42m
18 Apr 2021 @ 0836 ie wc1d 36m
17 Apr 2021 @ 0800 ns wc21h 29m
16 Apr 2021 @ 1031 ie wc20h 59m
15 Apr 2021 @ 1332 ns wc1h 11m
15 Apr 2021 @ 1221 ns wc1h 26m
15 Apr 2021 @ 1055 ns wc1h 11m
15 Apr 2021 @ 0944 ie wc1h 20m
15 Apr 2021 @ 0824 ns wc33m
15 Apr 2021 @ 0751 ie wc11h 55m
14 Apr 2021 @ 1956 ns wc1h 18m
14 Apr 2021 @ 1838 ns wc1h 17m

Interval Statistics

Interval Count100
Min33m
Max37d 19h 29m
Mean4d 8h 3m
Median2d 5h 16m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
16365 08 Oct 2020 @ 0820 --- Betty Heavy steam, but no water visible
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 showing 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.