Last Known Eruption
5d 17h 4m ago

Latest Eruptions

Eruption DurationInterval
14 Sep 2021 @ 143810m
14 Sep 2021 @ 14283m 4h 31m
14 Sep 2021 @ 09574h 23m 12m
14 Sep 2021 @ 09454m 9m
14 Sep 2021 @ 09363m 15h 51m
13 Sep 2021 @ 174510m
13 Sep 2021 @ 17354m 11m
13 Sep 2021 @ 17244m 12m
13 Sep 2021 @ 1712<7m 12m
13 Sep 2021 @ 17005m 6h 20m
13 Sep 2021 @ 10406h 14m 11m
13 Sep 2021 @ 10296m 10m
13 Sep 2021 @ 10195m 13m
13 Sep 2021 @ 10066m 11m
13 Sep 2021 @ 09555m 11m
13 Sep 2021 @ 09444m 11m
13 Sep 2021 @ 09334m 12m
13 Sep 2021 @ 09214m 11m
13 Sep 2021 @ 09103m 11m
13 Sep 2021 @ 08593m 14m
13 Sep 2021 @ 08454m 12m
13 Sep 2021 @ 08333m 14m
13 Sep 2021 @ 08194m 13m
13 Sep 2021 @ 08063m 14m
13 Sep 2021 @ 07524m 13m
13 Sep 2021 @ 07394m 16m
13 Sep 2021 @ 07235m 10m
13 Sep 2021 @ 07134m 9m
13 Sep 2021 @ 07044m 3d 19h 51m
09 Sep 2021 @ 111310m
09 Sep 2021 @ 11036m 11m
09 Sep 2021 @ 10527m 10m
09 Sep 2021 @ 10427m 12m
09 Sep 2021 @ 10307m 12m
09 Sep 2021 @ 10186m 11m
09 Sep 2021 @ 10077m 11m
09 Sep 2021 @ 09566m 10m
09 Sep 2021 @ 09465m 11m
09 Sep 2021 @ 09355m 10m
09 Sep 2021 @ 09255m 10m
09 Sep 2021 @ 09155m 9m
09 Sep 2021 @ 09064m 11m
09 Sep 2021 @ 08555m 9m
09 Sep 2021 @ 08463m 12m
09 Sep 2021 @ 08345m 9m
09 Sep 2021 @ 08253m 12m
09 Sep 2021 @ 08134m 15m
09 Sep 2021 @ 07586m 14m
09 Sep 2021 @ 07446m 4d 18h 38m
04 Sep 2021 @ 13067m
04 Sep 2021 @ 12593m 20h 57m
03 Sep 2021 @ 16028m
03 Sep 2021 @ 15543m 2d 21h 12m
31 Aug 2021 @ 1842 ns1h 9m
31 Aug 2021 @ 17335m
31 Aug 2021 @ 17281m 7m
31 Aug 2021 @ 17218m
31 Aug 2021 @ 17132m 6m
31 Aug 2021 @ 17078m
31 Aug 2021 @ 16593m 7m
31 Aug 2021 @ 16527m
31 Aug 2021 @ 16452m 10m
31 Aug 2021 @ 16353m 10m
31 Aug 2021 @ 16253m 9m
31 Aug 2021 @ 16162m 10m
31 Aug 2021 @ 16062m 11m
31 Aug 2021 @ 15552m 11m
31 Aug 2021 @ 15443m 12m
31 Aug 2021 @ 15323m 13m
31 Aug 2021 @ 15193m 14m
31 Aug 2021 @ 15054m 12m
31 Aug 2021 @ 14533m 11m
31 Aug 2021 @ 14423m 9m
31 Aug 2021 @ 14334m 2d 4h 46m
29 Aug 2021 @ 0947>9h 17m 15m
29 Aug 2021 @ 09325m 9m
29 Aug 2021 @ 09233m 8m
29 Aug 2021 @ 09153m 3d 14h 53m
25 Aug 2021 @ 18229m
25 Aug 2021 @ 18133m 24d 38m
01 Aug 2021 @ 17358d 12h 5m
24 Jul 2021 @ 0530 ie10d 13h 35m
13 Jul 2021 @ 155512m
13 Jul 2021 @ 154310d 22h 20m
02 Jul 2021 @ 172312m
02 Jul 2021 @ 17114m 7m
02 Jul 2021 @ 1704 ns5h 18m
02 Jul 2021 @ 11465h 12m 9m
02 Jul 2021 @ 11374m 1d 18h 30m
30 Jun 2021 @ 17079m
30 Jun 2021 @ 16583m 8m
30 Jun 2021 @ 16503m 7d 4h 58m
23 Jun 2021 @ 1152 A7d 1h 12m
16 Jun 2021 @ 104010m
16 Jun 2021 @ 10303m 18h 45m
15 Jun 2021 @ 15451d 3h 16m
14 Jun 2021 @ 1229 ns2d 2h 21m
12 Jun 2021 @ 100811m
12 Jun 2021 @ 09572d 13h 39m
09 Jun 2021 @ 201811m

Interval Statistics

Interval Count100
Min5m
Max24d 38m
Mean23h 13m
Median11m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
19589 15 Sep 2021 @ 1125 15 Sep 2021 @ 1455 Brian On continuously during this time, despite Fountain stall
19561 14 Sep 2021 @ 1420 --- Graham First pause 12m after Fountain.
19560 14 Sep 2021 @ 0931 --- Graham First pause 13m after Fountain.
19539 13 Sep 2021 @ 1654 --- Graham First pause, 17m after Fountain.
19532 13 Sep 2021 @ 0700 --- Graham Paused. Likely first pause as it was on for 9m or more which is longer than usual during multiple pauses.
19475 11 Sep 2021 @ 1028 --- steve Clep off from road. Back on 1029
19404 09 Sep 2021 @ 1113 --- Graham On strong, end of pauses. 20 observed, probably more before, estimate ~4 missed.
19398 09 Sep 2021 @ 0740 --- Graham Pause in progress.
19385 08 Sep 2021 @ 1910 08 Sep 2021 @ 1935 William paused on 3 occasions during this time, did not get exact times.
19306 04 Sep 2021 @ 1302 --- Graham 2nd pause.
19305 04 Sep 2021 @ 1251 --- Graham 1st pause, 14m after Fountain.
19259 03 Sep 2021 @ 1557 --- Graham 2nd pause.
19258 03 Sep 2021 @ 1545 --- Graham 1st pause 14m after Fountain.
19206 31 Aug 2021 @ 1733 31 Aug 2021 @ 1840 Graham Play is indistinct now, frequent stops and starts. Mainly front vent and some main vent.
19205 31 Aug 2021 @ 1729 --- Graham 20th pause.
19204 31 Aug 2021 @ 1722 --- Graham 19th pause
19202 31 Aug 2021 @ 1715 --- Graham 18th pause.
19200 31 Aug 2021 @ 1709 --- Graham 17th pause.
19201 31 Aug 2021 @ 1702 --- Graham 16th pause.
19198 31 Aug 2021 @ 1655 --- Graham 15th pause.
19199 31 Aug 2021 @ 1647 --- Graham 14th pause.
19197 31 Aug 2021 @ 1638 --- Graham 13th pause.
19196 31 Aug 2021 @ 1628 --- Graham 12th Clepsydra pause.
19195 31 Aug 2021 @ 1618 --- Graham 11th pause after Fountain.
19193 31 Aug 2021 @ 1608 --- Graham 10th pause after Fountain. Not draining.
19192 31 Aug 2021 @ 1557 --- Graham 9th pause after Fountain.
19191 31 Aug 2021 @ 1547 --- Graham 8th pause after Fountain.
19190 31 Aug 2021 @ 1535 --- Graham 7th pause after Fountain.
19189 31 Aug 2021 @ 1522 --- Graham 6th pause.
19187 31 Aug 2021 @ 1509 --- Graham 5th pause after Fountain.
19186 31 Aug 2021 @ 1456 --- Graham 4th pause after Fountain.
19185 31 Aug 2021 @ 1445 --- Graham 3rd pause after Fountain.
19184 31 Aug 2021 @ 1437 --- Graham 2nd pause after Fountain.
19183 31 Aug 2021 @ 1430 --- Graham Paused after Fountain. Time approximate.
19152 29 Aug 2021 @ 0937 --- Graham 4th pause after Fountain.
19151 29 Aug 2021 @ 0926 --- Graham 3rd pause after Fountain.
19150 29 Aug 2021 @ 0918 --- Graham Second pause after Fountain.
19149 29 Aug 2021 @ 0909 --- Graham Paused 13m after Fountain.
19092 26 Aug 2021 @ 1612 26 Aug 2021 @ 1614 LynnS Clepsydra was off when I first had it in view at 1612 and was still off when I drive out of sight at 1614
19071 26 Aug 2021 @ 1012 --- steve Off at the present time, I didn’t catch the stop time
19064 25 Aug 2021 @ 1816 --- Graham Second pause after Fountain.
19063 25 Aug 2021 @ 1806 --- Graham Paused 20m after Fountain.
19050 24 Aug 2021 @ 1756 --- minissa Formation of Clepsydra in view from about 1745 as we walked in. 1752 vents 2 and 5 on. Quit 1756. Back on 1759. Morning high and no real sign of an early Fountain. And off 1800. And back on 1803. And off 1808
18867 08 Aug 2021 @ 1624 --- mhreed Not in eruption.
18853 06 Aug 2021 @ 1642 06 Aug 2021 @ 1647 TinaN Pause in eruption
18852 06 Aug 2021 @ 1632 06 Aug 2021 @ 1638 TinaN Pause in eruption
18848 06 Aug 2021 @ 1036 06 Aug 2021 @ 1100 TinaN Did not turn off
19362 01 Aug 2021 @ 1729 --- SantaFe108 Ended for a 6m pause.
18774 01 Aug 2021 @ 0949 01 Aug 2021 @ 1049 am In a pause when I arrived. Multiple other pauses and restarts before I had to leave while it was in yet another pause
18760 31 Jul 2021 @ 1457 31 Jul 2021 @ 1540 LynnS Clepsydra was off when i first observed ot. Between 1457 and 1540, four Clepsydra pauses were observed.
18613 23 Jul 2021 @ 1950 23 Jul 2021 @ 2004 JeffL in a pause at this time. unsure when exact start of pause was. noticed it was in pause at approx. 1950 when driving by
18375 11 Jul 2021 @ 1941 11 Jul 2021 @ 2019 BrandonC Pause 20 mins after fountain ended at 2001 start 2007 pause 2011 start 2017
18317 09 Jul 2021 @ 0826 --- cb Off as we drove around the corner at Fountaun flats. back on at 0828.
18311 08 Jul 2021 @ 0752 --- Barbara Lasseter Turned off. On again 0755.
18240 02 Jul 2021 @ 1715 --- Graham Third pause after Fountain.
18241 02 Jul 2021 @ 1706 --- Graham Second pause after Fountain.
18242 02 Jul 2021 @ 1658 --- Graham Paused 13m after Fountain.
18243 02 Jul 2021 @ 1141 --- Graham Second observed pause.
18246 02 Jul 2021 @ 1132 --- Graham Paused. Fountain runoff wet. Likely first pause after Fountain as it was on strong before pausing.
18202 30 Jun 2021 @ 1701 --- Graham Third pause after Fountain.
18203 30 Jun 2021 @ 1653 --- Graham Second pause after Fountain.
18204 30 Jun 2021 @ 1645 --- Graham Paused 14m after Fountain.
18254 29 Jun 2021 @ 1725 29 Jun 2021 @ 1925 Tara Clepsydra seen off from road 1725. Also off upon arrival at 1732, on time not noted, then off at 1739, on 1744, off 1749, on 1754, off 1757, on 1801, off 1807, on 1812 with Fountain start, then off before 1816 and remained off during the entirety of Fountain's eruption. Fountain quit 1837, Clepsydra's front vent was full, then dropped a few inches, then rose again before beginning to restart at 1859. Various vent combinations started and stopped from 1859 to 1925 with the greatest activity from the front pool vent, which had blue bubble bursts reaching 20-25 feet. Pauses with all vents off were under a minute long.
18059 23 Jun 2021 @ 1145 --- Graham Paused 25m after Fountain quit.
17846 16 Jun 2021 @ 1033 --- Graham Second pause after Fountain.
17847 16 Jun 2021 @ 1022 --- Graham Paused 12m after Fountain.
17809 15 Jun 2021 @ 1537 --- Graham Paused 16m after Fountain.
17771 14 Jun 2021 @ 1226 --- wteach Clepsydra is off, seen from road
17773 14 Jun 2021 @ 1212 --- LynnS First pause after the end of Fountain started at 1212
17749 13 Jun 2021 @ 1603 --- Craigmon99 Off. Seen from road.
17737 12 Jun 2021 @ 2122 12 Jun 2021 @ 2124 William paused
17736 12 Jun 2021 @ 2113 12 Jun 2021 @ 2117 William paused
17735 12 Jun 2021 @ 2102 12 Jun 2021 @ 2106 William forceful restart
17733 12 Jun 2021 @ 2057 12 Jun 2021 @ 2059 William paused
17711 12 Jun 2021 @ 1007 --- bbev pause in eruption
17710 12 Jun 2021 @ 0955 --- bbev pause in eruption
17713 12 Jun 2021 @ 0934 --- bbev pause seen from road.
17615 09 Jun 2021 @ 2013 --- Graham 3rd pause in progress.
17616 09 Jun 2021 @ 2002 --- Graham Second pause after Fountain.
17617 09 Jun 2021 @ 1952 --- Graham Paused 27m after Fountain.
17619 09 Jun 2021 @ 1443 --- Graham 2nd pause after Fountain.
17620 09 Jun 2021 @ 1432 --- Graham Paused 19m after Fountain.
17621 09 Jun 2021 @ 0933 --- Graham Paused 15m after Fountain.
17581 08 Jun 2021 @ 1504 --- Graham Second pause after Fountain.
17582 08 Jun 2021 @ 1453 --- Graham Paused 15m after Fountain
17585 08 Jun 2021 @ 0835 --- Graham Clepsydra pause around this time, 3 pauses.
17495 05 Jun 2021 @ 2101 --- Tara first pause, seen from road. Did not stay for restart
17482 05 Jun 2021 @ 1555 --- Graham Paused 16m after Fountain.
17483 05 Jun 2021 @ 1029 --- Graham First pause 18m after Fountain
17412 03 Jun 2021 @ 1919 --- Graham Second pause after Fountain.
17413 03 Jun 2021 @ 1910 --- Graham First pause, 27m after Fountain. Clep had looked weak after Fountain but got stronger and I nearly left after 25 minutes and then it dropped right down and quit at 27.
17414 03 Jun 2021 @ 1240 --- Graham Second pause after Fountain.
17415 03 Jun 2021 @ 1232 --- Graham Paused first time 22m after Fountain quit.
17403 03 Jun 2021 @ 0650 --- KHoward Had not yet paused and still going strong when we left
17344 01 Jun 2021 @ 1320 --- Graham Paused, second time after Fountain.
17319 31 May 2021 @ 1912 --- Graham Secomd pause after Fountain.
17320 31 May 2021 @ 1903 --- Graham Paused 14m after Fountain quit.
17317 30 May 2021 @ 1817 --- Graham Third pause after Fountain.
17318 30 May 2021 @ 1808 --- Graham Second pause after Fountain.
17288 30 May 2021 @ 1758 --- Graham Paused 13m after Fountain quit.
EntrySourceLinkComment
03 Jun 2017 @ 1100 JSJ https://www.flickr.com/photos/jsjgeology/35373533035 Photo of Clepsydra Geyser erupting during the late morning of 3 June 2017.
Baseline does not exist.