Last Known Eruption
43d 20h 32m ago

Latest Eruptions

Eruption DurationInterval
05 Nov 2018 @ 124210m
05 Nov 2018 @ 12322d 1h 29m
03 Nov 2018 @ 120310m
03 Nov 2018 @ 115310m
03 Nov 2018 @ 114329m
03 Nov 2018 @ 1114 ie1d 55m
02 Nov 2018 @ 1019 ie11d 21h 13m
21 Oct 2018 @ 1306 ie59m
21 Oct 2018 @ 1207 ie53m
21 Oct 2018 @ 111419h 2m
20 Oct 2018 @ 1612 ie26m
20 Oct 2018 @ 15462m 19s 8m
20 Oct 2018 @ 15382m 0s 8m
20 Oct 2018 @ 15301m 38s 8m
20 Oct 2018 @ 152212d 2h 58m
08 Oct 2018 @ 12249m
08 Oct 2018 @ 12158m
08 Oct 2018 @ 1207 ie6d 1h 9m
02 Oct 2018 @ 1058 ie16m
02 Oct 2018 @ 10428m
02 Oct 2018 @ 103418m
02 Oct 2018 @ 1016 ie17m
02 Oct 2018 @ 0959 ie2h 1m
02 Oct 2018 @ 075814h 17m
01 Oct 2018 @ 1741 ie wc7m
01 Oct 2018 @ 1734 ie24m
01 Oct 2018 @ 17107m
01 Oct 2018 @ 17038m
01 Oct 2018 @ 16558m
01 Oct 2018 @ 16478m
01 Oct 2018 @ 16393d 5h 18m
28 Sep 2018 @ 11218m
28 Sep 2018 @ 111342m
28 Sep 2018 @ 10312h 0m
28 Sep 2018 @ 08311d 13h 22m
26 Sep 2018 @ 190950m
26 Sep 2018 @ 1819 ns22h 45m
25 Sep 2018 @ 193427m
25 Sep 2018 @ 190717m
25 Sep 2018 @ 18503h 20m
25 Sep 2018 @ 15302h 14m
25 Sep 2018 @ 131633m
25 Sep 2018 @ 12436m
25 Sep 2018 @ 123710m
25 Sep 2018 @ 12278m
25 Sep 2018 @ 12199m
25 Sep 2018 @ 12109m
25 Sep 2018 @ 12019m
25 Sep 2018 @ 11528m
25 Sep 2018 @ 114410m
25 Sep 2018 @ 11348m
25 Sep 2018 @ 112612h 1m
24 Sep 2018 @ 2325 ie9m
24 Sep 2018 @ 2316 ie9m
24 Sep 2018 @ 230717m
24 Sep 2018 @ 2250 ns5h 2m
24 Sep 2018 @ 17482d 23h 8m
21 Sep 2018 @ 184016m
21 Sep 2018 @ 1824 ie23h 52m
20 Sep 2018 @ 18328m
20 Sep 2018 @ 18248m
20 Sep 2018 @ 18168m
20 Sep 2018 @ 18087m
20 Sep 2018 @ 18011d 3h 34m
19 Sep 2018 @ 14272d 3h 27m
17 Sep 2018 @ 110019h 43m
16 Sep 2018 @ 15173h 9m
16 Sep 2018 @ 1208 ie5d 31m
11 Sep 2018 @ 11373d 17h 54m
07 Sep 2018 @ 17433h 1m
07 Sep 2018 @ 14421m 9m
07 Sep 2018 @ 14339m
07 Sep 2018 @ 14241m 9m
07 Sep 2018 @ 14152m 2d 21h 54m
04 Sep 2018 @ 16219m
04 Sep 2018 @ 16121d 23h 31m
02 Sep 2018 @ 16419m
02 Sep 2018 @ 16324h 40m
02 Sep 2018 @ 11524d 18h 3m
28 Aug 2018 @ 1749 ie4h 59m
28 Aug 2018 @ 1250 ie4d 5h 24m
24 Aug 2018 @ 072616d 16h 54m
07 Aug 2018 @ 143222m
07 Aug 2018 @ 141031m
07 Aug 2018 @ 13399m
07 Aug 2018 @ 13308m
07 Aug 2018 @ 13228m
07 Aug 2018 @ 131411m
07 Aug 2018 @ 1303

Interval Statistics

Interval Count88
Min6m
Max16d 16h 54m
Mean1d 33m
Median17m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
10645 21 Oct 2018 @ 1132 --- rbwhitaker Water came up, small boiling, rocking pool, then dropped. No eruption. No bursts, anyway.
10440 25 Sep 2018 @ 1114 --- Micah Kipple Fill. Strong boil. Drain. No eruption.
10439 25 Sep 2018 @ 1103 --- Micah Kipple Fill. Boil. Drain. No eruption.
10381 19 Sep 2018 @ 1022 --- Siegmund Empty. Still empty 1104.
10246 16 Sep 2018 @ 0704 --- steve Rocking and overflowing followed by a drop but no splashing
10144 11 Sep 2018 @ 1043 --- Tara Water came up with pulsing overflow and bubbles for about 1 minute and then dropped.
10154 11 Sep 2018 @ 0905 --- Barbara Lasseter no visible water
10025 04 Sep 2018 @ 1629 --- Janet White 1629 - water rise. Sloshing and bouncing duriing a slower rise. 1630 - overflow with boilong but mo eruption. 1631 - drain.
10012 03 Sep 2018 @ 1429 --- Micah Kipple Heavy surge to 10" but no bursting. Maybe an eruption?
9530 07 Aug 2018 @ 1440 07 Aug 2018 @ 1443 JSJ Water rising at 1440. Pool pulsing with overflow, etc. No eruption. Water drained out-of-sight at 1443.
9529 07 Aug 2018 @ 1419 07 Aug 2018 @ 1422 JSJ Water rising at late 1419. Pool pulsing, overflow, light roiling. No eruption. Water drained out-of-sight at late 1421 to early 1422.
9528 07 Aug 2018 @ 1348 07 Aug 2018 @ 1400 JSJ Cycles involving rising water, pool pulsing with overflow, bubbling and low roiling, then water lowering out of sight: 1348 to 1350 (no eruption), 1359 to 1400 (no eruption). Closed interval for cycles: 11m.
9527 07 Aug 2018 @ 1151 07 Aug 2018 @ 1253 JSJ Cycles involving rising water, pool pulsing with overflow, bubbling and low roiling, then water lowering out of sight: 1151 to 1153, 1203 to 1205, 1213 to 1216, 1226 to 1228, 1239 to 1242, 1251 to 1253. Closed intervals for cycles: 12m, 10m, 13m, 13m, 12m.
9476 05 Aug 2018 @ 1458 --- Tara Pulsing, bubbling, and overflowing in progress. Water level dropped out of sight at 1459.
9362 01 Aug 2018 @ 0805 --- Barbara Lasseter crater empty
9345 31 Jul 2018 @ 1609 --- jazzknick Fluctuating overflow and rocking followed by drain. Small bubbling st front edge
9282 24 Jul 2018 @ 1607 --- WillBoekel empty.
8956 30 Jun 2018 @ 1623 --- Tara Bubbling with pulsing overflow.
8904 27 Jun 2018 @ 1249 27 Jun 2018 @ 1311 Tara Down about 3 inches at 1249, full at 1311.
8717 16 Jun 2018 @ 1125 --- CrisG full and overflowing
8656 13 Jun 2018 @ 1431 13 Jun 2018 @ 1433 Tara Pulsating and overflowing in progress at 1431, water level dropped out of sight at 1433.
8655 13 Jun 2018 @ 1359 --- Tara Crater empty.
8470 05 Jun 2018 @ 1915 --- underarockphoto Overflow reached.
8099 04 May 2018 @ 1144 --- Janet White No microbes growing in the overflow channel or in the vent. Water level at 3-4" below overflow.
3384 28 Jul 2016 @ 1027 --- WillBoekel empty. no water visible
3241 07 Jul 2016 @ 1306 --- udo drained
2909 28 May 2016 @ 1550 --- WillBoekel down 1 inch
2773 22 Apr 2016 @ 1006 --- WillBoekel down about 4 inches
2135 16 Aug 2015 @ 1010 16 Aug 2015 @ 1053 JSJ Full & slightly pulsing at 1010. Stronger pulsing with overflow from 1012 to 1016. Drain at 1016. Noticed it was full at 1053.
2072 09 Aug 2015 @ 1001 --- JSJ Pool full.
1996 31 Jul 2015 @ 1027 --- Tara pulsing and bubbling in progress
1987 29 Jul 2015 @ 1319 --- Tara Pulsing and bubbling with overflow. I saw it in progress and it lasted only a few more seconds before the water level dropped nearly out of sight.
1917 16 Jul 2015 @ 1956 --- Jake empty.
1862 07 Jul 2015 @ 1512 --- Micah Kipple Empty.
1785 23 Jun 2015 @ 1913 --- bhoppe empty at 1913
1777 22 Jun 2015 @ 1921 --- WillBoekel about 3 inches below overflow
1773 21 Jun 2015 @ 1130 --- udo Pulsed for several minutes and drained at 1130
1759 18 Jun 2015 @ 1632 --- WillBoekel empty.
1746 16 Jun 2015 @ 1314 --- bhoppe empty at 1314
1737 14 Jun 2015 @ 1140 --- WillBoekel half full
1736 14 Jun 2015 @ 0921 --- WillBoekel empty.
1697 07 Jun 2015 @ 1639 --- WillBoekel empty.
1206 03 Jun 2014 @ 1219 03 Jun 2014 @ 1220 JSJ Marmot Cave Geyser's vent was filled with water & was bouncing slightly at 1219 on 3 June 2014.  The pool completely drained at 1220.
1059 03 May 2014 @ 2049 --- WillBoekel 2049 resume overflow
1057 03 May 2014 @ 2020 --- WillBoekel At 2020 water was ~3-4 inches below overflow
1056 02 May 2014 @ 1529 --- WillBoekel Drained at 1529 water seen refilling at 1530 and possible suds on the pool upon refill
761 04 Jun 2011 @ 1422 --- Janet White Marmot Cave Geyser\r\n1420 - water level dropped below overflow.\r\n1422 - pulsing, still below overflow.\r\n1426 - water level back to overflow \r\n1428 - left the area
EntrySourceLinkComment
07 Aug 2018 @ 1339 JSJ https://www.youtube.com/watch?v=QQIW13aaXSw#t=12m38s Clip 23 of this video compilation (time stamp 12:38 to 14:23) shows Marmot Cave Geyser's 1:39 to 1:40 PM eruption on 7 August 2018 during a fill-and-drain cycle.
07 Aug 2018 @ 1330 JSJ https://www.youtube.com/watch?v=QQIW13aaXSw#t=10m42s Clip 22 of this video compilation (time stamp 10:42 to 12:38) shows Marmot Cave Geyser's 1:30 to 1:32 PM eruption on 7 August 2018 during a fill-and-drain cycle.
07 Aug 2018 @ 1322 JSJ https://www.youtube.com/watch?v=QQIW13aaXSw#t=8m29s Clip 21 of this video compilation (time stamp 8:29 to 10:42) shows Marmot Cave Geyser's 1:22 to 1:23 PM eruption on 7 August 2018 during a fill-and-drain cycle.
07 Aug 2018 @ 1303 JSJ https://www.youtube.com/watch?v=QQIW13aaXSw#t=7m30s Clip 20 of this video compilation (time stamp 7:30 to 8:29) shows Marmot Cave Geyser's 1:03 PM eruption on 7 August 2018 during a fill-and-drain cycle.
Baseline does not exist.


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