Last Known Eruption
307d 21h 50m ago

Latest Eruptions

Eruption DurationInterval
13 Sep 2017 @ 1835 wc111d 11h 58m
25 May 2017 @ 063758d 13h 27m
27 Mar 2017 @ 1710 ie wc4d 7h 16m
23 Mar 2017 @ 0954 wc15h 8m
22 Mar 2017 @ 1846 ? wc~1m 28d 1h 11m
22 Feb 2017 @ 1635 wc22m
22 Feb 2017 @ 1613 wc14m
22 Feb 2017 @ 1559 wc18m
22 Feb 2017 @ 1541 wc2h 38m
22 Feb 2017 @ 1303 wc3d 24m
19 Feb 2017 @ 123939m
19 Feb 2017 @ 120020h 31m
18 Feb 2017 @ 152911m
18 Feb 2017 @ 1518 ini3h 22m
18 Feb 2017 @ 115620h 17m
17 Feb 2017 @ 153913m
17 Feb 2017 @ 152615d 6h 47m
02 Feb 2017 @ 0839 wc2d 15m
31 Jan 2017 @ 0824 wc4d 14h 9m
26 Jan 2017 @ 181530m
26 Jan 2017 @ 1745 ini9h 41m
26 Jan 2017 @ 0804 ini2d 14h 31m
23 Jan 2017 @ 1733 wc14m
23 Jan 2017 @ 1719 wc10m
23 Jan 2017 @ 1709 wc10m
23 Jan 2017 @ 1659 wc9m
23 Jan 2017 @ 1650 wc11m
23 Jan 2017 @ 1639 wc9m
23 Jan 2017 @ 1630 wc11m
23 Jan 2017 @ 1619 wc9m
23 Jan 2017 @ 1610 wc1h 11m
23 Jan 2017 @ 145913m
23 Jan 2017 @ 144619m
23 Jan 2017 @ 142717m
23 Jan 2017 @ 1410 ini1h 9m
23 Jan 2017 @ 13014m
23 Jan 2017 @ 1257 min9m
23 Jan 2017 @ 12488m
23 Jan 2017 @ 124010m
23 Jan 2017 @ 1230 ini50m
23 Jan 2017 @ 11405m
23 Jan 2017 @ 1135 min8m
23 Jan 2017 @ 112735m
23 Jan 2017 @ 105217m
23 Jan 2017 @ 1035 ini3h 6m
23 Jan 2017 @ 072913h 42m
22 Jan 2017 @ 174714m
22 Jan 2017 @ 1733 ini2h 19m
22 Jan 2017 @ 1514 min25m
22 Jan 2017 @ 144911m
22 Jan 2017 @ 1438 ini20h 51m
21 Jan 2017 @ 1747 wc3h 23m
21 Jan 2017 @ 1424 wc12m
21 Jan 2017 @ 1412 wc9m
21 Jan 2017 @ 1403 wc18m
21 Jan 2017 @ 1345 wc2d 21h 6m
18 Jan 2017 @ 1639 wc14m
18 Jan 2017 @ 1625 ie wc10m
18 Jan 2017 @ 1615 wc8m
18 Jan 2017 @ 1607 wc8m
18 Jan 2017 @ 1559 wc9m
18 Jan 2017 @ 1550 wc7m
18 Jan 2017 @ 1543 wc7m
18 Jan 2017 @ 1536 wc6d 22h 53m
11 Jan 2017 @ 1643 wc4h 29m
11 Jan 2017 @ 1214 wc10m
11 Jan 2017 @ 1204 wc59d 48m
13 Nov 2016 @ 1116 wc8d 2h 38m
05 Nov 2016 @ 0938 ns16h 10m
04 Nov 2016 @ 1728 ? ns wc~1m 3h 38m
04 Nov 2016 @ 1350 ie13d 19h 13m
21 Oct 2016 @ 1837 ? wc~1m 16m
21 Oct 2016 @ 1821 ? wc~1m 14m
21 Oct 2016 @ 1807 ? wc1m 16m
21 Oct 2016 @ 1751 ? wc1.5m 17m
21 Oct 2016 @ 1734 ? wc~1m 3h 3m
21 Oct 2016 @ 1431 wc~1m 17m
21 Oct 2016 @ 1414 ie wc18m
21 Oct 2016 @ 1356 wc~1m 2h 44m
21 Oct 2016 @ 1112 ie wc23m
21 Oct 2016 @ 10498d 18h 8m
12 Oct 2016 @ 16411m 3d 1h 49m
09 Oct 2016 @ 1452 ? wc~1m 39m
09 Oct 2016 @ 14133h 10m
09 Oct 2016 @ 110322m
09 Oct 2016 @ 1041 ini2h 45m
09 Oct 2016 @ 075618m
09 Oct 2016 @ 0738 wc17h 0m
08 Oct 2016 @ 14383h 22m
08 Oct 2016 @ 11163h 15m
08 Oct 2016 @ 0801 ie4d 1h 21m
04 Oct 2016 @ 0640 ? wc~1m 14h 56m
03 Oct 2016 @ 1544 ie wc3h 44m
03 Oct 2016 @ 1200 ? wc~2m 112d 14h 22m
12 Jun 2016 @ 213822d 12h 14m
21 May 2016 @ 0924 ? ie wc29d 20h 36m
21 Apr 2016 @ 12482d 3h 19m
19 Apr 2016 @ 0929 wc15m
19 Apr 2016 @ 0914 wc13m
19 Apr 2016 @ 0901 wc11m

Interval Statistics

Interval Count100
Min4m
Max112d 14h 22m
Mean5d 2h 58m
Median32m
Initial-to-Initial
Interval Count8
Min1h 40m
Max105d 4h 57m
Mean16d 12h 42m
Median13h 21m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
8472 05 Jun 2018 @ 1743 --- JSJ Churn Geyser is lightly roiling and in overflow.
7899 31 Jan 2018 @ 0715 --- Graham Below overflow for the first time this week.
4829 07 Aug 2017 @ 1333 --- JSJ Basin water-filled and gently overflowing. Gentle, but steady stream of small bubbles over vent. Orangish microbial mats bordering pool and lining main runoff channel.
4012 23 Apr 2017 @ 1008 --- Janet White Churn was sending up steady light bubbles. Overflowing steadily and microbes growing on the edge of the crater.
3972 21 Apr 2017 @ 0734 --- Micah Kipple Dormant. Orange bacteria on edge of crater and in channel
3012 08 Jun 2016 @ 1621 08 Jun 2016 @ 1712 JSJ Churn Geyser was engaged in low, slightly intermittent splashing from a low pool. Observed from 1621 to 1712, when I left.
2156 14 Aug 2015 @ 1625 14 Aug 2015 @ 1856 JSJ Almost full at 1625, with no overflow. Noticed gentle roiling at 1632. Churn in overflow at 1856.
1592 15 May 2015 @ 1051 15 May 2015 @ 1652 JSJ No eruptions from 1051 to 1652. Mildly roiling to small splashing today.
EntrySourceLinkComment
14 Jun 1993 @ 1036 JSJ https://www.youtube.com/watch?v=cfQFzQBBvu8 Video by David Schwarz of Churn Geyser's late morning eruption on 14 June 1993.
25 Jun 1993 @ 1729 JSJ https://www.youtube.com/watch?v=W2b1-DdYc1k Video by David Schwarz of Churn Geyser's late afternoon eruption on 25 June 1993.
27 Jul 2013 @ 1135 JSJ https://www.youtube.com/watch?v=rFhMMRG9fo4 Video by Will Boekel of what is presumably the 11:35 AM eruption of Churn Geyser on 27 July 2013.
08 Jul 2012 @ 1444 kcmule http://tinyurl.com/CH1444-07082012
21 Apr 2012 @ 1456 kcmule http://tinyurl.com/CH1456-04210212
16 Apr 2012 @ 1616 kcmule http://tinyurl.com/CH1616-04162012
31 Mar 2012 @ 1510 kcmule http://tinyurl.com/CH1510-03312012
Baseline does not exist.


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