Last Known Eruption
4d 12h 53m ago

Latest Eruptions

Eruption DurationInterval
17 May 2024 @ 20041d 54m
16 May 2024 @ 19104d 3h 49m
12 May 2024 @ 15217m
12 May 2024 @ 151431d 15h 47m
10 May 2024 @ 23276h 1m
10 May 2024 @ 17265h 39m
10 May 2024 @ 11472d 26m
08 May 2024 @ 11212h 11m
08 May 2024 @ 0910 ie1d 2h 2m
07 May 2024 @ 0708 ie19h 8m
06 May 2024 @ 12003h 20m
06 May 2024 @ 0840 ie1d 18h 17m
04 May 2024 @ 142312m
04 May 2024 @ 141111m
04 May 2024 @ 140015m
04 May 2024 @ 134511m
04 May 2024 @ 133417h 18m
03 May 2024 @ 2016 ie49d 7h 6m
15 Mar 2024 @ 1310 ie35d 20h 50m
08 Feb 2024 @ 152012m
08 Feb 2024 @ 15085m 74d 3h 18m
26 Nov 2023 @ 1150 ie48d 18h 35m
08 Oct 2023 @ 1815 maj10m
08 Oct 2023 @ 18054m 4h 25m
08 Oct 2023 @ 1340 maj4h 20m 11m
08 Oct 2023 @ 13295m 4h 14m
08 Oct 2023 @ 0915 maj4h 14m 1d 17h 9m
06 Oct 2023 @ 1606 maj11m
06 Oct 2023 @ 15557m
06 Oct 2023 @ 15485m
06 Oct 2023 @ 154320m
06 Oct 2023 @ 152321h 54m
05 Oct 2023 @ 1729 ie2h 34m
05 Oct 2023 @ 1454:32 maj45m
05 Oct 2023 @ 1409~6.5m 7m
05 Oct 2023 @ 1401:185m 2s 8m 17s
05 Oct 2023 @ 1353:015m 55s 9m 52s
05 Oct 2023 @ 1343:096m 8s 7m 9s
05 Oct 2023 @ 1336:00~5m 5m 59s
05 Oct 2023 @ 1330:014m 15s 7m 24s
05 Oct 2023 @ 1322:374m 56s 9m 49s
05 Oct 2023 @ 1312:486m 57s 5m 24s
05 Oct 2023 @ 1307:243m 22s 5m
05 Oct 2023 @ 1302~3m 5m
05 Oct 2023 @ 1256:376m 1s
05 Oct 2023 @ 1250:363m 45s 9m 4s
05 Oct 2023 @ 1241:325m 57s 6m 11s
05 Oct 2023 @ 1235:214m 27s 6m
05 Oct 2023 @ 1229~4m 12m
05 Oct 2023 @ 1216:508m 9s 7m 45s
05 Oct 2023 @ 1209:055m 17s 7m 6s
05 Oct 2023 @ 1201:59~4m 41s 8m 43s
05 Oct 2023 @ 1153:165m 12s 7m 33s
05 Oct 2023 @ 1145:434m 55s 9m 19s
05 Oct 2023 @ 1136:245m 54s 7m 9s
05 Oct 2023 @ 1129:155m 1s 6m 38s
05 Oct 2023 @ 1122:374m 3s 8m 54s
05 Oct 2023 @ 1113:43~5.5m 5m 46s
05 Oct 2023 @ 1107:57~4m 15s 8m 45s
05 Oct 2023 @ 1059:125m 35s 7m 47s
05 Oct 2023 @ 1051:254m 24s 4m 47s
05 Oct 2023 @ 1046:382m 47s 10m 38s
05 Oct 2023 @ 1036:00~6m 6m 20s
05 Oct 2023 @ 1029:404m 58s 4m
05 Oct 2023 @ 1025~3m 7m
05 Oct 2023 @ 1017:476m 49s 4m 41s
05 Oct 2023 @ 1013:063m 18s 21h 21m
04 Oct 2023 @ 125245d 18h 31m
28 Sep 2023 @ 1821 maj8m
28 Sep 2023 @ 18134m 6m
28 Sep 2023 @ 18073m 6m
28 Sep 2023 @ 18013m 5m
28 Sep 2023 @ 17562m 5m
28 Sep 2023 @ 17512m 5m
28 Sep 2023 @ 17465m
28 Sep 2023 @ 17412m 5m
28 Sep 2023 @ 17366m
28 Sep 2023 @ 17303m 5m
28 Sep 2023 @ 17253m 5m
28 Sep 2023 @ 17202m 6m
28 Sep 2023 @ 17143m 2h 13m
28 Sep 2023 @ 15011m 8m
28 Sep 2023 @ 14531m 11m
28 Sep 2023 @ 14422m 12m
28 Sep 2023 @ 14302m 11m
28 Sep 2023 @ 14192m 13m
28 Sep 2023 @ 14062m 16m
28 Sep 2023 @ 13503m 16m
28 Sep 2023 @ 13342m 10m
28 Sep 2023 @ 13243m 12m
28 Sep 2023 @ 13124m 12m
28 Sep 2023 @ 13004m 8m
28 Sep 2023 @ 12523m 4h 24m
28 Sep 2023 @ 0828 maj4h 18m 8m
28 Sep 2023 @ 08203m 1h 4m
28 Sep 2023 @ 0716 ie maj>59m 1d 16h 33m
26 Sep 2023 @ 1443 maj7h 24m
26 Sep 2023 @ 0719 ie maj>7h 18m 1d 13h 35m
24 Sep 2023 @ 1744 maj6m
24 Sep 2023 @ 17383m 6m

Interval Statistics

Interval Count100
Min4m
Max74d 3h 18m
Mean2d 8h 39m
Median9m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
34600 17 May 2024 @ 1955 --- Tara shut off for 1st pause
34601 17 May 2024 @ 1931 --- Tara steam vent started erupting loudly and continued through at least 1452 when I left after Fountain was over
34588 16 May 2024 @ 1905 --- Ajw Stopped at 1905 after several short pauses starting at1903.
34562 14 May 2024 @ 2128 --- Tara still pausing after 2010 Fountain eruption, did not stay
34489 09 May 2024 @ 1453 --- Scott H Clep off, from the road
34481 08 May 2024 @ 1115 --- LynnS Stopped erupting sometime between 1105 and 1114
34406 04 May 2024 @ 1429 --- Tara start of 6th pause, Spasm and Ftn filling, probably a stall. left area
34416 04 May 2024 @ 1417 --- Tara start of 5th pause
34415 04 May 2024 @ 1405 --- Tara start of 4th pause
34414 04 May 2024 @ 1351 --- Tara start of 3rd pause
34413 04 May 2024 @ 1340 --- Tara start of 2nd pause
34412 04 May 2024 @ 1330 --- Tara start of 1st pause
34006 08 Feb 2024 @ 1502 --- aferrara quit now
33306 21 Dec 2023 @ 1435 21 Dec 2023 @ 1450 TLH Went off 1435, back on 1444, back off 1450. Had to leave on snow coach.
28827 16 Oct 2023 @ 1815 --- DanS No Clepsydra pauses as of 1815 following Fountain.
28715 09 Oct 2023 @ 1215 --- Tara pausing, Spasm filling, probably a stall starting
28712 08 Oct 2023 @ 1800 --- SantaFe108 First pause after Fountain.
28710 08 Oct 2023 @ 1324 --- SantaFe108 First pause after Fountain.
28654 06 Oct 2023 @ 1045 --- bbev paused. back on weak at 1053
28625 04 Oct 2023 @ 1455 04 Oct 2023 @ 1650 steve Clepsydra is shutting on and off.
28554 29 Sep 2023 @ 1439 --- imapayne0213 Vent in front of Clepsydra began erupting around 1439 and Clepsydra was no longer pausing. Didn't get exact time.
28532 28 Sep 2023 @ 1502 28 Sep 2023 @ 1712 Graham Sloppy play. Mostly, front vent bursts with occasional center vent joining in, plus occasional stops. Continuing for about 2h.
28531 28 Sep 2023 @ 1246 --- Graham Paused 13m after Fountain quit.
28530 28 Sep 2023 @ 0815 --- Graham Paused 13m after Fountain quit.
28500 26 Sep 2023 @ 2150 26 Sep 2023 @ 2155 Tara In pause mode as seen by moonlight from the road
28482 26 Sep 2023 @ 1437 --- Graham Paused 24m after Fountain quit.
28445 24 Sep 2023 @ 1520 --- Tara Still in pause mode after 1042 Fountain eruption
28431 23 Sep 2023 @ 1412 --- Graham Paused 11m after Fountain quit
28430 23 Sep 2023 @ 1005 --- Graham Paused 13m after Fountain quit
28417 22 Sep 2023 @ 1549 22 Sep 2023 @ 1623 ThomasR Continued pauses with Spasm ie and Jelly overflowing. Pool levels in Fountain and Morning high. Some bubbling in Morning's Thief. Twig ie, but ended before we left. Periodic, weak Jets throughout.
28415 22 Sep 2023 @ 1555 --- Art Still appeared to be in a pause as seen from road.
28414 22 Sep 2023 @ 1300 22 Sep 2023 @ 1310 ThomasR Periodically pausing with weak bursts in between as seen from road.
28412 22 Sep 2023 @ 1108 22 Sep 2023 @ 1111 ThomasR In pause. Did not stick around to wait for it to resume. Still paused at 1117 when checked from parking lot and 1126 as seen from road.
28348 19 Sep 2023 @ 1520 --- Graham Paused 17m after Fountain quit .
28347 19 Sep 2023 @ 1044 --- Graham Paused 13m after Fountain quit.
28309 17 Sep 2023 @ 1706 --- Graham Paused 15m after Fountain quit
28307 17 Sep 2023 @ 0750 --- Graham Paused 14m after Fountain quit.
28266 15 Sep 2023 @ 1610 --- Graham Paused 24m after Fountain quit.
28232 12 Sep 2023 @ 0817 --- Graham Paused 14m after Fountain quit.
28198 10 Sep 2023 @ 0758 --- Graham Paused 20m after Fountain quit
28152 09 Sep 2023 @ 0848 --- Tara Clepsydra was paused at this time per radio call
28121 08 Sep 2023 @ 1555 08 Sep 2023 @ 1605 Dave W Paused 13m after Fountain ended. Completely quiet for 7 minutes, then started splashes separated by several seconds at 1602. Continuous play resumed from at least 3 vents, but mot all vents at 1605.
28099 07 Sep 2023 @ 1640 07 Sep 2023 @ 1644 LynnS Was in a pause
28096 07 Sep 2023 @ 1629 --- steve Off. Post fountain?
28062 06 Sep 2023 @ 1632 --- Graham Paused 21m after Fountain quit.
28061 06 Sep 2023 @ 1056 --- Graham Paused 14m after Fountain quit.
28043 05 Sep 2023 @ 1815 05 Sep 2023 @ 1900 steve Clepsydra turning on and off.
27960 02 Sep 2023 @ 1919 --- SantaFe108 1st pause after Fountain ended.
27796 26 Aug 2023 @ 1555 --- Tara paused at this time
27785 25 Aug 2023 @ 2045 --- Tara in pause mode as seem from parking lot
27730 22 Aug 2023 @ 1612 --- LynnS Still in pause mode.
27687 19 Aug 2023 @ 1500 19 Aug 2023 @ 1530 LynnS Clepsydra erupting in pause mode with only 1-3 vents erupting, bursts separated by seconds, and individual “series of bursts” separated by minutes.
27686 19 Aug 2023 @ 0956 19 Aug 2023 @ 1427 LynnS Clepsydra was in pause mode during this time, turning on and off. Clepsydra turned off at 1427, stayed off during the remainder of Fountain’s eruption.
27671 18 Aug 2023 @ 0545 18 Aug 2023 @ 1331 LynnS Clepsydra is in pause mode.
27657 17 Aug 2023 @ 0650 --- LynnS Clepsydra is in a pause
27626 15 Aug 2023 @ 1826 --- steve From the parking lot clep is off but I didn’t stay around for more data.
27613 15 Aug 2023 @ 1400 --- steve Only two pauses as of 1400
27612 15 Aug 2023 @ 1342 15 Aug 2023 @ 1348 steve Off 1342, on 1348
27611 15 Aug 2023 @ 1332 15 Aug 2023 @ 1338 steve Off 1332, on 1338
27570 13 Aug 2023 @ 1724 --- minissa Has been very colicky since turned off but now seems to be erupting consistently again
27567 13 Aug 2023 @ 1656 --- minissa Off...
27561 13 Aug 2023 @ 1543 --- minissa Has continued from previous time, front vent is enormous, like larger than the middle/main vent. 3 vents now on, side pool empty
27541 12 Aug 2023 @ 0645 12 Aug 2023 @ 0840 LynnS In pause mode
27533 11 Aug 2023 @ 0627 11 Aug 2023 @ 0924 LynnS Was in pause mode during this time
27493 10 Aug 2023 @ 0915 --- mtybumpo2 Ended at 9:28 am
27457 07 Aug 2023 @ 1400 --- LynnS Still in pause mode after Fountain’s 1139 eruption
27443 06 Aug 2023 @ 1009 --- LynnS Is not erupting.
27419 05 Aug 2023 @ 1050 --- LynnS Still in pause mode
27418 05 Aug 2023 @ 0745 --- LynnS Still in pause mode following the Fountain eruption that started at 0617
27393 02 Aug 2023 @ 1605 --- LynnS Still pausing when I left
27346 30 Jul 2023 @ 0652 30 Jul 2023 @ 1200 LynnS In pause mode. Started sometime after the end of the 0613ie eruption of Fountain. Clepsydra was off at 0652 when first observed.
27336 30 Jul 2023 @ 1030 --- deanl still pausing
27264 27 Jul 2023 @ 1355 --- LynnS Still in pause mode.
27262 27 Jul 2023 @ 0552 --- LynnS In chaotic pause mode. Was off at the start of Fountain’s eruption and stayed off during the eruption.
27255 26 Jul 2023 @ 1829 --- steve Seen from the road, clepsydra is shutting on and off.
27247 26 Jul 2023 @ 1700 --- LynnS Still in extended pause mode. Activity starting at 1602 consists of periodic eruptions coming only from the “pool” vent on the east side of the crater, infrequently joined be brief activity from the vent on the ledge west of the pool vent. “Bursts” from the pool vent sometimes separated by several seconds. Lovely blue bubbles at the start of the burst. This activity was still occurring when I left at 1700.
27245 26 Jul 2023 @ 1240 26 Jul 2023 @ 1245 LynnS Stopped erupting for these five minutes; but did not pause immediately after Fountain’s eruption at 1013.
27203 24 Jul 2023 @ 1806 --- steve Off from the parking lot. Restart 1812
27199 24 Jul 2023 @ 1247 24 Jul 2023 @ 1252 steve Clep off. No additional pause 1252 to 1307 when I left.
27198 24 Jul 2023 @ 1238 24 Jul 2023 @ 1243 steve Clep off
27185 23 Jul 2023 @ 1350 --- LynnS Still in pause mode after the 1119ie eruption of Fountain. Coughing. Was off during the 1619 eruption of Fountain. First splash 1702. S try ill in pause mode when I left at 1730.
27155 22 Jul 2023 @ 0600 --- LynnS In pause mode. Ended 1205
27145 21 Jul 2023 @ 1828 --- Tara 7th pause after 1633 Fountain, stall in progress. more details later.
27124 19 Jul 2023 @ 0618 --- LynnS Is in pause mode, which ended at 0734.
27099 17 Jul 2023 @ 1104 17 Jul 2023 @ 1656 LynnS Clepsydra was in pause mode. Clepsydra was off from 1620 (during Fountain’s eruption), and a restart involving the front vent only did not happen until 1658. I did not stay to determine when Clepsydra returned to continuous eruptive activity with all vents.
27057 13 Jul 2023 @ 1827 --- LynnS Clepsydra was off at this time. I did not stay to determine how long Clepsydra stayed in “pause mode”.
27055 13 Jul 2023 @ 1445 --- LynnS Clepsydra did not pause after Fountain’s eruption at 1311
27050 13 Jul 2023 @ 0630 --- LynnS Clepsydra ie, but in pause mode; Clepsydra on @0749, stopped before 0757 and stayed off until restart in pause mode at 0838.
27027 12 Jul 2023 @ 1540 --- LynnS Had not yet returned to continuous eruptive activity
27008 11 Jul 2023 @ 1501 --- LynnS Clepsydra entered another pause. Has not yet resumed continuous eruptive activity
26862 06 Jul 2023 @ 1105 --- deanl still pausing @ 11:00, and has been since 06:40. pauses continued until Fountain, then totally off during Fountain. It was still off as we left @ 11:37
26775 01 Jul 2023 @ 1648 01 Jul 2023 @ 1801 Graham Continued to have pauses but I stopped logging them due to ugly wind and rain storm. Next pause logged was just after Fountain started.
26774 01 Jul 2023 @ 1346 01 Jul 2023 @ 1517 Graham Paused and then started just front vent bursts a few minutes later. Activity continued and did not become a real eruption with other vents participating. Water is visible mid level in the side pool, whereas normally jn a stall it has been dropping out of view. I have not seen this behavior before. Normal stall conditions elsewhere, Spasm and Jelly overflowing, and Fountain water level is rising. 1451 center vent came on for a few seconds. 1500 center vent for 20s. 1513 also. 1517 front and middle vents on for. real eruption.
26772 01 Jul 2023 @ 1220 --- Graham Paused 12m after Fountain quit.
26771 01 Jul 2023 @ 0753 --- Graham Paused 12m after Fountain quit.
26736 29 Jun 2023 @ 1302 --- Graham Paused 12m after Fountain
26646 24 Jun 2023 @ 1217 --- Graham Not ie, during first pause after Fountain
26632 24 Jun 2023 @ 0740 --- Graham Paused 11m after Fountain
26626 23 Jun 2023 @ 1236 --- Graham Paused 12m after Fountain.
26602 22 Jun 2023 @ 1919 --- Graham Paused 11m 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.