Last Known Eruption
47d 16h 8m ago

Latest Eruptions

Eruption DurationInterval
05 Sep 2019 @ 18181h 32m
05 Sep 2019 @ 16464m
05 Sep 2019 @ 16426m
05 Sep 2019 @ 16366m
05 Sep 2019 @ 16301d 4h 47m
04 Sep 2019 @ 11433m
04 Sep 2019 @ 11402m
04 Sep 2019 @ 11382m
04 Sep 2019 @ 11362m
04 Sep 2019 @ 11343m
04 Sep 2019 @ 11313m
04 Sep 2019 @ 11282m
04 Sep 2019 @ 11262m
04 Sep 2019 @ 11242m
04 Sep 2019 @ 11222m
04 Sep 2019 @ 11203m
04 Sep 2019 @ 11172m
04 Sep 2019 @ 11152m
04 Sep 2019 @ 11132m
04 Sep 2019 @ 11112m
04 Sep 2019 @ 110919d 22h 51m
15 Aug 2019 @ 12182m
15 Aug 2019 @ 12162m
15 Aug 2019 @ 12144m
15 Aug 2019 @ 12104d 19h 7m
10 Aug 2019 @ 170339d 2h 19m
02 Jul 2019 @ 14442m
02 Jul 2019 @ 14422m
02 Jul 2019 @ 14402m
02 Jul 2019 @ 14382m
02 Jul 2019 @ 14363m
02 Jul 2019 @ 14332m
02 Jul 2019 @ 14313m
02 Jul 2019 @ 142821d 2h 52m
11 Jun 2019 @ 11362m
11 Jun 2019 @ 11342m
11 Jun 2019 @ 11321d 17h 33m
09 Jun 2019 @ 17593m
09 Jun 2019 @ 1756 ie12d 9h 23m
28 May 2019 @ 0833 ie5d 53m
23 May 2019 @ 0740 ie15d 12h 40m
07 May 2019 @ 1900 ie11d 8h 51m
26 Apr 2019 @ 1009 ie90d 23h 19m
25 Jan 2019 @ 09503m
25 Jan 2019 @ 09473m
25 Jan 2019 @ 09444m
25 Jan 2019 @ 09404m
25 Jan 2019 @ 09363m
25 Jan 2019 @ 09333m
25 Jan 2019 @ 0930109d 15h 26m
07 Oct 2018 @ 1904 ie62d 4h 33m
06 Aug 2018 @ 1431 ie51d 22h 21m
15 Jun 2018 @ 1610 ie3d 22h 36m
11 Jun 2018 @ 1734 ie3d 3h 46m
08 Jun 2018 @ 13482m
08 Jun 2018 @ 13461m 3m
08 Jun 2018 @ 134345s 9d 18h 48m
29 May 2018 @ 1855 A38d 7h 17m
21 Apr 2018 @ 1138 ie199d 17h 29m
03 Oct 2017 @ 180912m 19d 6h 24m
14 Sep 2017 @ 11452m
14 Sep 2017 @ 11432m
14 Sep 2017 @ 114188d 15h 2m
17 Jun 2017 @ 203910d 6h 31m
07 Jun 2017 @ 140846d 1h 57m
22 Apr 2017 @ 1211 ie219d 18h 35m
14 Sep 2016 @ 17361m 41s 2m
14 Sep 2016 @ 17341m 15s 3m
14 Sep 2016 @ 17312m 20s 80d 2h 27m
26 Jun 2016 @ 1504 ie7d 20h 1m
18 Jun 2016 @ 1903286d 3h 43m
06 Sep 2015 @ 1520 ie3d 20h 19m
02 Sep 2015 @ 19014m
02 Sep 2015 @ 1857 ie3d 3h 20m
30 Aug 2015 @ 1537 ie24d 20h 8m
05 Aug 2015 @ 1929 ie1d 9h 41m
04 Aug 2015 @ 0948 ie30d 14h 5m
04 Jul 2015 @ 1943 ie20d 3h 45m
14 Jun 2015 @ 15584m 2d 20h 12m
11 Jun 2015 @ 1946 ie102d 4h 32m
01 Mar 2015 @ 1414 ie119d 4h 11m
02 Nov 2014 @ 1003 ie68d 15h 28m
25 Aug 2014 @ 1935 ie4h 27m
25 Aug 2014 @ 150811d 1h 35m
14 Aug 2014 @ 1333 ie1y 2d 1h 37m
12 Aug 2013 @ 1156 ie337d 22h 27m
08 Sep 2012 @ 132926m
08 Sep 2012 @ 1303 ie9y 7d 20h 47m
03 Sep 2003 @ 1616 ie8d 5h 32m
26 Aug 2003 @ 1044 ie

Interval Statistics

Interval Count89
Min2m
Max9y 7d 20h 47m
Mean65d 18h 41m
Median26m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
10909 25 Jan 2019 @ 1000 --- Graham no eruption after 0950
8702 15 Jun 2018 @ 1544 --- JSJ Off (waited for a while), but continuous audible subterranean gurgling.
2964 04 Jun 2016 @ 1755 --- JSJ Shell Spring empty, quiet, dry.
EntrySourceLinkComment
06 Aug 2018 @ 1431 JSJ https://www.flickr.com/photos/jsjgeology/44530143112 Photo (out of 4) of Shell Spring erupting during the afternoon of 6 August 2018.
06 Aug 2018 @ 1431 JSJ https://www.youtube.com/watch?v=ZOvfJGMvh18 Time lapse video of Shell Spring's eruptive cycles during the afternoon of 6 August 2018, followed by a relatively deep drain.
Baseline does not exist.


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