Last Known Eruption
1d 1h 16m ago

Latest Eruptions

Eruption DurationInterval
27 Mar 2023 @ 0853 ie wc1h 20m
27 Mar 2023 @ 0733 ie wc12h 47m
26 Mar 2023 @ 1846 ns wc3d 10h 33m
23 Mar 2023 @ 0813 ns wc3d 12h 0m
19 Mar 2023 @ 2013 wc1d 24m
18 Mar 2023 @ 1949 ie wc11h 45m
18 Mar 2023 @ 0804 ie wc10d 16m
08 Mar 2023 @ 0648 ie wc2d 12h 41m
05 Mar 2023 @ 1807 ie wc8h 9m
05 Mar 2023 @ 0958 ie wc2h 19m
05 Mar 2023 @ 0739 wc8d 19h 4m
24 Feb 2023 @ 1235 ie wc2d 1h 39m
22 Feb 2023 @ 1056 ie3d 17h 51m
18 Feb 2023 @ 1705 ie wc2d 10h 19m
16 Feb 2023 @ 0646 ie wc4d 22h 48m
11 Feb 2023 @ 0758 ie wc23h 51m
10 Feb 2023 @ 0807 ie wc4d 23h 55m
05 Feb 2023 @ 0812 wc2d 20h 19m
02 Feb 2023 @ 1153 ie wc3d 3h 42m
30 Jan 2023 @ 0811 ie wc6d 23h 46m
23 Jan 2023 @ 0825 ie wc5d 22h 34m
17 Jan 2023 @ 0951 ie wc6d 19h 3m
10 Jan 2023 @ 1448 ie18d 6h 40m
23 Dec 2022 @ 0808 ie wc21h 57m
22 Dec 2022 @ 1011 ie wc14d 3h 6m
08 Dec 2022 @ 0705 ie wc22h 56m
07 Dec 2022 @ 0809 ie wc2d 23h 27m
04 Dec 2022 @ 0842 ie wc4d 17h 15m
29 Nov 2022 @ 1527 ie wc10d 7h 39m
19 Nov 2022 @ 0748 ns wc1d 22h 56m
17 Nov 2022 @ 0852 ie wc4d 17h 53m
12 Nov 2022 @ 1459 ie wc19d 6h 36m
24 Oct 2022 @ 0923 ie wc1d 15h 43m
22 Oct 2022 @ 1740 wc1h 15m
22 Oct 2022 @ 1625 wc1h 17m
22 Oct 2022 @ 1508 wc2h 4m
22 Oct 2022 @ 1304 wc1h 15m
22 Oct 2022 @ 1149 wc1h 15m
22 Oct 2022 @ 1034 wc17h 16m
21 Oct 2022 @ 1718 wc1h 47m
21 Oct 2022 @ 1531 ie wc1h 18m
21 Oct 2022 @ 1413 wc1h 15m
21 Oct 2022 @ 1258 wc1h 13m
21 Oct 2022 @ 1145 ie wc1h 23m
21 Oct 2022 @ 1022 wc1h 18m
21 Oct 2022 @ 0904 wc1h 13m
21 Oct 2022 @ 0751 ie wc13h 38m
20 Oct 2022 @ 1813 wc1h 12m
20 Oct 2022 @ 1701 wc1h 12m
20 Oct 2022 @ 1549 wc2h 29m
20 Oct 2022 @ 1320 wc5h 24m
20 Oct 2022 @ 0756 wc7d 23h 59m
12 Oct 2022 @ 0757 ie wc4d 23h 41m
07 Oct 2022 @ 0816 ie wc3d 2h 6m
04 Oct 2022 @ 0610 ie wc3d 14h 7m
30 Sep 2022 @ 1603 wc4h 19m
30 Sep 2022 @ 1144 ie wc2h 56m
30 Sep 2022 @ 0848 ie wc1h 36m
30 Sep 2022 @ 0712 wc12h 31m
29 Sep 2022 @ 1841 wc3h 44m
29 Sep 2022 @ 1457 ie wc2h 33m
29 Sep 2022 @ 1224 wc1h 26m
29 Sep 2022 @ 1058 wc1h 25m
29 Sep 2022 @ 0933 wc1h 23m
29 Sep 2022 @ 0810 wc2d 12m
27 Sep 2022 @ 0758 ie wc1d 13m
26 Sep 2022 @ 0745 ie wc23h 58m
25 Sep 2022 @ 0747 ie wc23h 29m
24 Sep 2022 @ 0818 ie wc1d 59m
23 Sep 2022 @ 0719 ie wc22h 51m
22 Sep 2022 @ 0828 ie wc3d 13h 31m
18 Sep 2022 @ 1857 wc1h 10m
18 Sep 2022 @ 1747 ie wc1h 16m
18 Sep 2022 @ 1631 wc1h 35m
18 Sep 2022 @ 1456 wc1h 12m
18 Sep 2022 @ 1344 wc1h 40m
18 Sep 2022 @ 1204 ie wc5h 15m
18 Sep 2022 @ 0649 ie wc11h 59m
17 Sep 2022 @ 1850 wc3h 11m
17 Sep 2022 @ 1539 ie wc5h 29m
17 Sep 2022 @ 1010 ie wc6d 21h 35m
10 Sep 2022 @ 12357d 5h 16m
03 Sep 2022 @ 0719 ie wc1d 23h 54m
01 Sep 2022 @ 0725 ie wc4d 22h 53m
27 Aug 2022 @ 0832 ns wc12d 7m
15 Aug 2022 @ 0825 ie wc1d 23h 40m
13 Aug 2022 @ 0845 ie wc1d 2h 8m
12 Aug 2022 @ 0637 ie wc13d 22h 27m
29 Jul 2022 @ 0810 ie wc8d 2h 28m
21 Jul 2022 @ 0542 ie wc4d 22h 57m
16 Jul 2022 @ 0645 ie wc4d 23h 29m
11 Jul 2022 @ 0716 wc4d 21h 51m
06 Jul 2022 @ 0925 wc4d 2h 39m
02 Jul 2022 @ 0646 ie wc10d 23m
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

Interval Statistics

Interval Count100
Min1h 10m
Max19d 6h 36m
Mean3d 6h 58m
Median1d 18m

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.