Last Known Eruption
150d 18h 18m ago

Latest Eruptions

Eruption DurationInterval
25 Apr 2019 @ 0904 ie wc9d 23h 38m
15 Apr 2019 @ 0926 ie wc3d 1h 27m
12 Apr 2019 @ 0759 ie wc10h 50m
11 Apr 2019 @ 2109 wc5h 46m
11 Apr 2019 @ 1523 wc9d 4h 10m
02 Apr 2019 @ 1113 ie wc2d 27m
31 Mar 2019 @ 1046 ie wc2h 32m
31 Mar 2019 @ 0814 ie wc11d 17h 35m
19 Mar 2019 @ 1439 ie wc1d 5h 19m
18 Mar 2019 @ 0920 ie wc6d 20h 54m
11 Mar 2019 @ 1226 ie wc3h 54m
11 Mar 2019 @ 0832 ie wc5d 17h 19m
05 Mar 2019 @ 1413 ie wc3h 40m
05 Mar 2019 @ 1033 ie wc1h 16m
05 Mar 2019 @ 0917 ie wc1d 15h 28m
03 Mar 2019 @ 1749 ie wc2d 3h 17m
01 Mar 2019 @ 1432 ie wc4h 2m
01 Mar 2019 @ 1030 ie wc12d 21h 5m
16 Feb 2019 @ 1325 ie wc7d 26m
09 Feb 2019 @ 1259 ns wc4h 53m
09 Feb 2019 @ 0806 ? ie wc2h 35m
09 Feb 2019 @ 0531 A wc15h 27m
08 Feb 2019 @ 1404 ie wc50d 8h 37m
20 Dec 2018 @ 0527 wc~15m 1h 58m
20 Dec 2018 @ 0329 wc~16m 1h 51m
20 Dec 2018 @ 0138 wc~18m 30d 8h 50m
19 Nov 2018 @ 1648 ie wc3h 57m
19 Nov 2018 @ 1251 ie wc12h 41m
19 Nov 2018 @ 0010 wc4h 2m
18 Nov 2018 @ 2008 wc11h 6m
18 Nov 2018 @ 0902 ie wc17h 11m
17 Nov 2018 @ 1551 ie wc4h 18m
17 Nov 2018 @ 1133 ie wc2h 16m
17 Nov 2018 @ 0917 ie wc2h 0m
17 Nov 2018 @ 0717 ie wc15h 39m
16 Nov 2018 @ 1538 ie wc2h 16m
16 Nov 2018 @ 1322 ns wc2d 1h 7m
14 Nov 2018 @ 1215 ie wc1d 9h 46m
13 Nov 2018 @ 0229 ie wc2h 12m
13 Nov 2018 @ 0017 wc2h 20m
12 Nov 2018 @ 2157 wc5h 39m
12 Nov 2018 @ 1618 wc~18m 5h 55m
12 Nov 2018 @ 1023 ie wc2h 2m
12 Nov 2018 @ 0821 wc~18m 1h 58m
12 Nov 2018 @ 0623 wc~23m 4d 3h 12m
08 Nov 2018 @ 0311 wc~13m 2h 34m
08 Nov 2018 @ 0037 wc~13m 2h 58m
07 Nov 2018 @ 2139 wc~11m or ~14m1h 46m
07 Nov 2018 @ 1953 wc~16-17m13d 9h 39m
25 Oct 2018 @ 1114 wc6d 15h 42m
18 Oct 2018 @ 1932 wc1d 58m
17 Oct 2018 @ 1834 ie wc2d 18h 22m
15 Oct 2018 @ 0012 wc4h 3m
14 Oct 2018 @ 2009 wc2d 1h 2m
12 Oct 2018 @ 1907 ie wc59m
12 Oct 2018 @ 1808 ie wc7h 26m
12 Oct 2018 @ 1042 ie wc20h 53m
11 Oct 2018 @ 1349 wc15h 22m
10 Oct 2018 @ 2227 ? ie4h 6m
10 Oct 2018 @ 1821 ie wc8h 21m
10 Oct 2018 @ 1000 ie wc23h 42m
09 Oct 2018 @ 10188d 12h 55m
30 Sep 2018 @ 2123 ie wc3d 9h 37m
27 Sep 2018 @ 1146 ie wc2h 48m
27 Sep 2018 @ 0858 ie wc2h 14m
27 Sep 2018 @ 0644 ie wc2d 9h 29m
24 Sep 2018 @ 2115 ie wc1d 2h 56m
23 Sep 2018 @ 1819 ie wc4h 8m
23 Sep 2018 @ 1411 ie wc2h 5m
23 Sep 2018 @ 1206 wc1h 46m
23 Sep 2018 @ 1020 wc2d 3h 18m
21 Sep 2018 @ 0702 ie wc17h 45m
20 Sep 2018 @ 1317 wc5h 27m
20 Sep 2018 @ 0750 A wc2h 7m
20 Sep 2018 @ 0543 ie wc1d 9h 35m
18 Sep 2018 @ 2008 ie wc1d 11h 52m
17 Sep 2018 @ 0816 wc20h 31m
16 Sep 2018 @ 1145 wc1h 50m
16 Sep 2018 @ 0955 ie wc2h 19m
16 Sep 2018 @ 0736 ie wc3h 15m
16 Sep 2018 @ 0421 ie wc8h 57m
15 Sep 2018 @ 1924 ie4h 24m
15 Sep 2018 @ 1500 ie wc3h 54m
15 Sep 2018 @ 1106 ie wc2h 14m
15 Sep 2018 @ 0852 wc2h 22m
15 Sep 2018 @ 0630 wc12h 24m
14 Sep 2018 @ 18062h 11m
14 Sep 2018 @ 1555 wc2h 1m
14 Sep 2018 @ 1354 wc2h 8m
14 Sep 2018 @ 1146 ns wc2h 1m
14 Sep 2018 @ 0945 wc1h 13m
14 Sep 2018 @ 0832 wc<8m 2h 7m
14 Sep 2018 @ 0625 ie wc1h 48m
14 Sep 2018 @ 0437 ie wc7h 57m
13 Sep 2018 @ 2040 ie wc2h 7m
13 Sep 2018 @ 1833 ie wc1h 36m
13 Sep 2018 @ 1657 ie wc5h 39m
13 Sep 2018 @ 1118 ie wc2h 49m
13 Sep 2018 @ 0829 ie wc2h 12m
13 Sep 2018 @ 0617 ie wc16h 25m

Interval Statistics

Interval Count100
Min59m
Max50d 8h 37m
Mean2d 5h 57m
Median5h 33m

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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