Last Known Eruption
56m ago

Latest Eruptions

Eruption DurationInterval
27 Mar 2023 @ 1411 wc36m
27 Mar 2023 @ 1335 ie wc40m
27 Mar 2023 @ 1255 wc5m 12s 1h 21m
27 Mar 2023 @ 1134 wc6m 44s 39m
27 Mar 2023 @ 1055 wc5m 51s 2h 3m
27 Mar 2023 @ 0852 ie wc2h 5m
27 Mar 2023 @ 0647 ie wc46m
27 Mar 2023 @ 0601 wc48m
27 Mar 2023 @ 0513 wc45m
27 Mar 2023 @ 0428 wc48m
27 Mar 2023 @ 0340 wc45m
27 Mar 2023 @ 0255 wc48m
27 Mar 2023 @ 0207 wc46m
27 Mar 2023 @ 0121 wc48m
27 Mar 2023 @ 0033 wc48m
26 Mar 2023 @ 2345 wc46m
26 Mar 2023 @ 2259 wc44m
26 Mar 2023 @ 2215 wc49m
26 Mar 2023 @ 2126 wc47m
26 Mar 2023 @ 2039 wc45m
26 Mar 2023 @ 1954 wc46m
26 Mar 2023 @ 1908 wc46m
26 Mar 2023 @ 1822 wc4h 39m
26 Mar 2023 @ 1343 ie wc2h 28m
26 Mar 2023 @ 1115 ie wc56m
26 Mar 2023 @ 1019 wc1h 36m
26 Mar 2023 @ 0843 ie wc15h 38m
25 Mar 2023 @ 1705 ie wc45m
25 Mar 2023 @ 1620 ie wc1h 37m
25 Mar 2023 @ 1443 wc48m
25 Mar 2023 @ 1355 ie wc2h 23m
25 Mar 2023 @ 1132 ie wc2h 31m
25 Mar 2023 @ 0901 ie wc51m
25 Mar 2023 @ 0810 wc1h 40m
25 Mar 2023 @ 0630 wc49m
25 Mar 2023 @ 0541 wc49m
25 Mar 2023 @ 0452 wc50m
25 Mar 2023 @ 0402 wc49m
25 Mar 2023 @ 0313 wc50m
25 Mar 2023 @ 0223 wc1h 39m
25 Mar 2023 @ 0044 wc46m
24 Mar 2023 @ 2358 wc52m
24 Mar 2023 @ 2306 wc48m
24 Mar 2023 @ 2218 wc49m
24 Mar 2023 @ 2129 wc48m
24 Mar 2023 @ 2041 wc3h 55m
24 Mar 2023 @ 1646 ie wc52m
24 Mar 2023 @ 1554 ie wc2h 21m
24 Mar 2023 @ 1333 ie wc50m
24 Mar 2023 @ 1243 ie wc1h 39m
24 Mar 2023 @ 1104 ie wc1h 40m
24 Mar 2023 @ 0924 ns wc50m
24 Mar 2023 @ 0834 ie wc2h 24m
24 Mar 2023 @ 0610 wc1h 35m
24 Mar 2023 @ 0435 wc3h 9m
24 Mar 2023 @ 0126 wc50m
24 Mar 2023 @ 0036 wc49m
23 Mar 2023 @ 2347 wc46m
23 Mar 2023 @ 2301 wc49m
23 Mar 2023 @ 2212 wc50m
23 Mar 2023 @ 2122 wc46m
23 Mar 2023 @ 2036 wc12h 38m
23 Mar 2023 @ 0758 ns wc46m
23 Mar 2023 @ 0712 ie wc1h 38m
23 Mar 2023 @ 0534 wc47m
23 Mar 2023 @ 0447 wc1h 39m
23 Mar 2023 @ 0308 wc2h 25m
23 Mar 2023 @ 0043 wc51m
22 Mar 2023 @ 2352 wc5h 47m
22 Mar 2023 @ 1805 ie wc1h 4m
22 Mar 2023 @ 1701 ie wc6h 45m
22 Mar 2023 @ 1016 ie wc54m
22 Mar 2023 @ 0922 wc1h 45m
22 Mar 2023 @ 0737 ie wc3h 25m
22 Mar 2023 @ 0412 wc49m
22 Mar 2023 @ 0323 wc51m
22 Mar 2023 @ 0232 wc48m
22 Mar 2023 @ 0144 wc1h 38m
22 Mar 2023 @ 0006 wc1h 35m
21 Mar 2023 @ 2231 wc49m
21 Mar 2023 @ 2142 wc48m
21 Mar 2023 @ 2054 wc46m
21 Mar 2023 @ 2008 wc2h 11m
21 Mar 2023 @ 1757 ie wc51m
21 Mar 2023 @ 1706 wc46m
21 Mar 2023 @ 1620 wc1h 31m
21 Mar 2023 @ 1449 wc5h 16m
21 Mar 2023 @ 0933 wc48m
21 Mar 2023 @ 0845 ie wc3h 50m
21 Mar 2023 @ 0455 wc47m
21 Mar 2023 @ 0408 wc1h 28m
21 Mar 2023 @ 0240 ie wc2h 14m
21 Mar 2023 @ 0026 wc14h 55m
20 Mar 2023 @ 0931 ie wc1h 33m
20 Mar 2023 @ 0758 ie wc46m
20 Mar 2023 @ 0712 ie wc57m
20 Mar 2023 @ 0615 wc5h 56m
20 Mar 2023 @ 0019 wc13h 57m
19 Mar 2023 @ 1022 wc17h 16m
18 Mar 2023 @ 1706 ie wc1h 26m

Interval Statistics

Interval Count100
Min36m
Max17h 16m
Mean2h 8m
Median51m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
21653 02 Jun 2022 @ 0840 --- Graham Splashed a lot but failed to erupt.
21421 22 May 2022 @ 0850 22 May 2022 @ 0903 Micah Kipple Has been "stuck" during this time. Can't quite seem to start.
20876 07 Mar 2022 @ 1148 --- JarnoO (wc) Spitting every so often during this and the next minute.
13513 03 Sep 2019 @ 0906 03 Sep 2019 @ 0927 Micah Kipple Appears to be stuck
10601 13 Oct 2018 @ 0713 --- JarnoO Seemed to be splashing at this time. Not sure if I caught the tail end of an eruption or if it was 'stuck'.
10411 24 Sep 2018 @ 1251 --- BobInSLC seems to be having mostly "minor" eruptions of less than 2 feet. need to observe little cub before a lion initial
9902 28 Aug 2018 @ 0955 --- BobInSLC in stuck mode
8549 01 Jun 2018 @ 2030 01 Jun 2018 @ 2200 Siegmund No eruptions during this time. Observed one episode of preplay ~15cm high at 2117 less than 1 minute long.
4461 14 Jul 2017 @ 1958 --- mhreed Stuck. And it's not very windy...?
4408 05 Jul 2017 @ 1800 --- BobInSLC tried to erupt fully for 10 plus minutes
3637 10 Sep 2016 @ 1156 --- BobInSLC tried to erupt
3623 08 Sep 2016 @ 1238 --- BobInSLC stuck ......
3534 23 Aug 2016 @ 2052 --- WillBoekel Appears to be stuck.
3511 19 Aug 2016 @ 1003 --- mhreed It's stuck. :(
3223 06 Jul 2016 @ 0744 --- David several small spouts noted on wc while Lion was erupting.
2519 11 Oct 2015 @ 1107 --- mhreed Stuck - and yes, it is quite windy.
2309 09 Sep 2015 @ 1937 --- BobInSLC stuck. .
2300 08 Sep 2015 @ 1646 --- BobInSLC stuck. .
2284 07 Sep 2015 @ 1031 --- BobInSLC stuck ......
2282 07 Sep 2015 @ 0904 --- BobInSLC stuck
2274 06 Sep 2015 @ 0839 06 Sep 2015 @ 1122 BobInSLC stuck, little cub has not fully erupted since before 8:30
1771 21 Jun 2015 @ 0601 --- RMichaels Little cub is stuck.
1735 14 Jun 2015 @ 0729 --- mhreed Appears stuck.
1729 12 Jun 2015 @ 1904 12 Jun 2015 @ 2129 WillBoekel no eruptions
1664 30 May 2015 @ 0844 --- BobInSLC stuck to at least 9:07 with pauses
1655 28 May 2015 @ 1111 --- WillBoekel stuck
1647 26 May 2015 @ 0925 --- mhreed Little Cub is stuck.
1511 18 Jan 2015 @ 1700 --- mhreed Stuck in preplay. I speculate that this geyser doesn't like wind.
1508 17 Jan 2015 @ 0820 --- mhreed Stuck in preplay.
1472 26 Oct 2014 @ 1358 --- mhreed Showing "stuck" behavior - constantly splashing just out of the cone at 1358.
1184 02 Sep 2014 @ 1059 --- Pat Snyder Stopped squirting at 1059.
1183 02 Sep 2014 @ 0950 02 Sep 2014 @ 1027 Pat Snyder Has been squirting but not erupting from 0950 to 1027. Low squirts barely above the cone and continuous.
1044 18 Apr 2014 @ 0800 18 Apr 2014 @ 2000 udo In over 6 hours I have not seen any eruptions, only occasional individual splashes.
810 17 May 2013 @ 2049 17 May 2013 @ 2105 Siegmund preplay starting 2049 but no eruption as of 2105
97 07 Feb 2012 @ 1226 --- BB This is one of those days where it is hard to tell from the UGB cam what Little Cub is doing. I am pretty sure from my captures that Little Cub was 1226 ns. But KL posted 1216, and I assume he was watching the streaming cam, hard to be wrong about LC there.
1355 07 Sep 2007 @ 0920 07 Sep 2007 @ 0929 BoekelUpload 9:2x
16680 01 Jul 1998 @ 0000 01 Jul 1998 @ 2359 JarnoO unreadable ×2
16607 19 Mar 1998 @ 1430 19 Mar 1998 @ 1439 JarnoO 14:3x
16530 11 Jan 1998 @ 1004 11 Jan 1998 @ 1037 JarnoO many minors 1004 to 1037
15258 01 Jul 1996 @ 2030 01 Jul 1996 @ 2039 JarnoO 20:3x
15250 28 Jun 1996 @ 1300 28 Jun 1996 @ 1359 JarnoO 13:xx ie
15221 24 May 1996 @ 1210 24 May 1996 @ 1219 JarnoO 12:1x d=12
15220 22 May 1996 @ 1520 22 May 1996 @ 1529 JarnoO 15:2x
14284 20 Feb 1995 @ 1700 20 Feb 1995 @ 1759 JarnoO 17:xx xx
12736 08 Sep 1994 @ 1000 08 Sep 1994 @ 1059 JarnoO 10:xx ie
12710 06 Aug 1994 @ 1920 06 Aug 1994 @ 1929 JarnoO 19:2x
12709 06 Aug 1994 @ 0940 06 Aug 1994 @ 0949 JarnoO 09:4x
12698 24 Jul 1994 @ 1300 24 Jul 1994 @ 1359 JarnoO 13:xx
12683 30 Jun 1994 @ 0910 30 Jun 1994 @ 0919 JarnoO 09:1x ie
12656 05 Jun 1994 @ 1500 05 Jun 1994 @ 1559 JarnoO 15:xx ie
12655 05 Jun 1994 @ 1400 05 Jun 1994 @ 1459 JarnoO 14:xx ie
12613 28 Feb 1994 @ 1004 28 Feb 1994 @ 1054 JarnoO 10:x4
12358 24 Dec 1993 @ 1620 24 Dec 1993 @ 1629 JarnoO 16:2x ie
12247 30 Jun 1993 @ 1330 30 Jun 1993 @ 1339 JarnoO 13:3x
12217 06 Jun 1993 @ 1510 06 Jun 1993 @ 1519 JarnoO 15:1x
7032 08 Oct 1992 @ 1830 08 Oct 1992 @ 1839 JarnoO 18:3x
7031 08 Oct 1992 @ 1720 08 Oct 1992 @ 1729 JarnoO 17:2x
5705 31 Aug 1992 @ 1210 31 Aug 1992 @ 1219 JarnoO 12:1x
5428 09 Jul 1992 @ 2100 09 Jul 1992 @ 2109 JarnoO 21:0x
5427 09 Jul 1992 @ 1800 09 Jul 1992 @ 1809 JarnoO 18:0x
5412 04 Jul 1992 @ 1900 04 Jul 1992 @ 1959 JarnoO 19:xx
5213 14 May 1992 @ 1128 14 May 1992 @ 1138 JarnoO either 1128 or 1138
173 08 Jan 1971 @ 0000 08 Jan 1971 @ 2359 BoekelUpload active
171 07 Jan 1971 @ 0000 07 Jan 1971 @ 2359 BoekelUpload active
172 07 Jan 1971 @ 0000 07 Jan 1971 @ 2359 BoekelUpload Disreguard last note it was an error
EntrySourceLinkComment
01 Mar 2023 @ 1003 Delta4Heavy85 https://adobe.ly/3Y6AUQZ Video of eruption
22 Jun 2016 @ 0928 David https://www.flickr.com/photos/ujelang/27757510220/in/dateposted-public/ photo taken at 09:28/22 June
01 Apr 2016 @ 1843 ZubenElGenubi https://youtu.be/i9qDSAdlu1o YouTube
09 Aug 2015 @ 1557 JSJ https://www.youtube.com/watch?v=nZUwdrOJ0oU See clips # 21-22 (= last two clips) of this video compilation (Little Cub erupting in concert with Castle).
09 Aug 2015 @ 1336 JSJ https://www.youtube.com/watch?v=nZUwdrOJ0oU See clips # 18-20 of this video compilation.
09 Aug 2015 @ 1227 JSJ https://www.youtube.com/watch?v=nZUwdrOJ0oU See clips # 14-17 of this video compilation.
09 Aug 2015 @ 1152 JSJ https://www.youtube.com/watch?v=nZUwdrOJ0oU See clips # 10-13 of this video compilation.
09 Aug 2015 @ 1118 JSJ https://www.youtube.com/watch?v=nZUwdrOJ0oU See clip # 9 of this video compilation.
09 Aug 2015 @ 1042 JSJ https://www.youtube.com/watch?v=nZUwdrOJ0oU See clips # 6-8 of this video compilation.
17 May 2015 @ 1601 JSJ https://www.youtube.com/watch?v=nZUwdrOJ0oU See clips # 1-5 of this video compilation.
Baseline does not exist.