Last Known Eruption
3d 17h 27m ago

Latest Eruptions

Eruption DurationInterval
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
14 Apr 2021 @ 1721 ie wc1d 5h 2m
13 Apr 2021 @ 1219 ie wc3d 1h 42m
10 Apr 2021 @ 1037 ie wc1h 18m
10 Apr 2021 @ 0919 ns wc4d 14h 9m
05 Apr 2021 @ 1910 ns wc1h 21m
05 Apr 2021 @ 1749 ns wc1h 21m
05 Apr 2021 @ 1628 ns wc1h 16m
05 Apr 2021 @ 1512 ns wc1h 18m
05 Apr 2021 @ 1354 ie wc1h 13m
05 Apr 2021 @ 1241 ie wc1h 17m
05 Apr 2021 @ 1124 ns wc1h 15m
05 Apr 2021 @ 1009 ns wc1h 15m
05 Apr 2021 @ 0854 ns wc1h 11m
05 Apr 2021 @ 0743 ns wc12d 11h 55m
23 Mar 2021 @ 1948 ie wc2d 9h 36m
21 Mar 2021 @ 1012 ie wc1d 15h 20m
19 Mar 2021 @ 1852 ns wc4d 4h 17m
15 Mar 2021 @ 1435 ie wc6h 22m
15 Mar 2021 @ 0813 ns wc1h 9m
15 Mar 2021 @ 0704 ie wc11h 59m
14 Mar 2021 @ 1905 ns wc1h 24m
14 Mar 2021 @ 1741 ns wc1h 14m
14 Mar 2021 @ 1627 ie wc7d 5h 35m
07 Mar 2021 @ 0952 ie wc1h 16m
07 Mar 2021 @ 0836 ns wc23d 23h 57m
11 Feb 2021 @ 0839 ie wc10d 15h 51m
31 Jan 2021 @ 1648 ie wc7d 5h 3m
24 Jan 2021 @ 1145 ie wc1d 3h 42m
23 Jan 2021 @ 0803 ie wc23h 47m
22 Jan 2021 @ 0816 wc1d 15h 42m
20 Jan 2021 @ 1634 ie wc4h 57m
20 Jan 2021 @ 1137 ie wc22h 2m
19 Jan 2021 @ 1335 wc5h 1m
19 Jan 2021 @ 0834 ie wc22h 47m
18 Jan 2021 @ 0947 ie wc1h 15m
18 Jan 2021 @ 0832 ns wc1d 20h 53m
16 Jan 2021 @ 1139 ie wc2d 2h 46m
14 Jan 2021 @ 0853 ie wc1d 20h 25m
12 Jan 2021 @ 1228 ie wc3d 3h 14m
09 Jan 2021 @ 0914 ie wc3d 16m
06 Jan 2021 @ 0858 ns wc7d 15h 45m
29 Dec 2020 @ 1713 ie wc8h 29m
29 Dec 2020 @ 0844 ie4d 19h 38m
24 Dec 2020 @ 1306 ie wc2d 5h 22m
22 Dec 2020 @ 0744 ie wc7d 22h 24m
14 Dec 2020 @ 0920 ns wc~10m 5d 20h 47m
08 Dec 2020 @ 1233 ns wc5d 21h 49m

Interval Statistics

Interval Count100
Min33m
Max37d 19h 29m
Mean3d 5h 41m
Median1d 3h 14m

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.