Last Known Eruption
261d 11h 23m ago

Latest Eruptions

Eruption DurationInterval
06 Jun 2023 @ 1411~3m 2h 3m
06 Jun 2023 @ 1208~3m 19h 44m
05 Jun 2023 @ 1624 ie>2m 1d 41m
04 Jun 2023 @ 1543 ie2d 1h 5m
02 Jun 2023 @ 1438 ie23h 11m
01 Jun 2023 @ 1527 wc4m 18h 33m
31 May 2023 @ 20542m 25s 1h 22m
31 May 2023 @ 19324m 1h 38m
31 May 2023 @ 17544m 1h 26m
31 May 2023 @ 16285m 1h 4m
31 May 2023 @ 15244m 1h 12m
31 May 2023 @ 14124m 1h 20m
31 May 2023 @ 12524m 1h 19m
31 May 2023 @ 11334m 1h 7m
31 May 2023 @ 10265m 1h 8m
31 May 2023 @ 09185m 1h 4m
31 May 2023 @ 08145m 1h 7m
31 May 2023 @ 07075m 1h 16m
31 May 2023 @ 05515m 8h 35m
30 May 2023 @ 21164m 1h 27m
30 May 2023 @ 1949~4m 1h 19m
30 May 2023 @ 18304m 1h 19m
30 May 2023 @ 17113m 38s 1h 8m
30 May 2023 @ 16033m 59m
30 May 2023 @ 15043m 1h 4m
30 May 2023 @ 1400~3m 58m
30 May 2023 @ 1302 ie2h 9m
30 May 2023 @ 1053 ie wc2h 11m
30 May 2023 @ 0842 ie4y 245d 10h 15m
27 Sep 2018 @ 2227 E3h 9m
27 Sep 2018 @ 1917:17 E2h 58m 0s
27 Sep 2018 @ 1619:17 E2h 44m 0s
27 Sep 2018 @ 1335:17 E2m
27 Sep 2018 @ 1333~2m 30s 3h 56m
27 Sep 2018 @ 0936:17 E2h 33m 0s
27 Sep 2018 @ 0703:17 E2h 51m 0s
27 Sep 2018 @ 0412:17 E3h 27m 0s
27 Sep 2018 @ 0045:17 E22h 55m 0s
26 Sep 2018 @ 0150:17 E2h 53m 0s
25 Sep 2018 @ 2257:17 E2h 6m 0s
25 Sep 2018 @ 2051:17 E4h 39m 0s
25 Sep 2018 @ 1612:17 E1m
25 Sep 2018 @ 16111h 29m
25 Sep 2018 @ 1441:17 E1m
25 Sep 2018 @ 1440~2m 1h 35m
25 Sep 2018 @ 13051m 50s 1h 37m
25 Sep 2018 @ 11282m 2h 4m
25 Sep 2018 @ 0923:17 E2h 10m 0s
25 Sep 2018 @ 0713:17 E1h 34m 0s
25 Sep 2018 @ 0539:17 E2h 5m 0s
25 Sep 2018 @ 0334:17 E2h 3m 0s
25 Sep 2018 @ 0131:17 E2h 12m
24 Sep 2018 @ 23191h 13m
24 Sep 2018 @ 2205:17 E1h 18m 0s
24 Sep 2018 @ 2047:17 E1h 3m 0s
24 Sep 2018 @ 1944:17 E1h 21m 0s
24 Sep 2018 @ 1823:17 E1h 15m 0s
24 Sep 2018 @ 1708:17 E58m 0s
24 Sep 2018 @ 1610:17 E1h 10m 0s
24 Sep 2018 @ 1500:17 E48m 0s
24 Sep 2018 @ 1412:17 E53m
24 Sep 2018 @ 1319~1m 44m
24 Sep 2018 @ 1234:17 E43m 0s
24 Sep 2018 @ 1151:17 E46m 0s
24 Sep 2018 @ 1105:17 E44m 0s
24 Sep 2018 @ 1021:17 E47m 0s
24 Sep 2018 @ 0934:17 E45m 0s
24 Sep 2018 @ 0849:17 E41m 0s
24 Sep 2018 @ 0808:17 E47m 0s
24 Sep 2018 @ 0721:17 E43m 0s
24 Sep 2018 @ 0638:17 E45m 0s
24 Sep 2018 @ 0553:17 E44m 0s
24 Sep 2018 @ 0509:17 E52m 0s
24 Sep 2018 @ 0417:17 E51m 0s
24 Sep 2018 @ 0326:17 E51m 0s
24 Sep 2018 @ 0235:17 E51m 0s
24 Sep 2018 @ 0144:17 E50m 0s
24 Sep 2018 @ 0054:17 E49m 0s
24 Sep 2018 @ 0005:17 E43m 0s
23 Sep 2018 @ 2322:17 E42m 0s
23 Sep 2018 @ 2240:17 E1h 31m 0s
23 Sep 2018 @ 2109:17 E48m 0s
23 Sep 2018 @ 2021:17 E43m 0s
23 Sep 2018 @ 1938:17 E39m 0s
23 Sep 2018 @ 1859:17 E41m 0s
23 Sep 2018 @ 1818:17 E43m 0s
23 Sep 2018 @ 1735:17 E35m 0s
23 Sep 2018 @ 1700:17 E35m 0s
23 Sep 2018 @ 1625:17 E44m 0s
23 Sep 2018 @ 1541:17 E42m 0s
23 Sep 2018 @ 1459:17 E35m 0s
23 Sep 2018 @ 1424:17 E40m 0s
23 Sep 2018 @ 1344:17 E41m 0s
23 Sep 2018 @ 1303:17 E41m 0s
23 Sep 2018 @ 1222:17 E39m 0s
23 Sep 2018 @ 1143:17 E44m 0s
23 Sep 2018 @ 1059:17 E39m 0s
23 Sep 2018 @ 1020:17 E40m 0s
23 Sep 2018 @ 0940:17 E34m 0s
23 Sep 2018 @ 0906:17 E44m

Interval Statistics

Interval Count100
Min1m
Max4y 245d 10h 15m
Mean17d 4h 8m
Median1h 5m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
33894 20 Jan 2024 @ 0820 --- K.Cooper clear and cold
33840 17 Jan 2024 @ 1430 --- aferrara snow covered
26463 19 Jun 2023 @ 1127 --- Graham Viewed from Sponge, pool is a darker green brown color. Cooling down?
26167 08 Jun 2023 @ 1530 --- Graham No eruption of 17 or 17a observed in last 4h.
26124 07 Jun 2023 @ 1422 --- SantaFe108 Filled for 3 minutes and dropped.
25949 01 Jun 2023 @ 1900 --- TSBryan general info, YNP geology has installed a temperature monitor on 17a, will continue monitoring but tentatively expects to reopen the trail "soon".
25941 01 Jun 2023 @ 0630 --- TSBryan arrived at 0556, GHG-17 slight bubbling. continuous until this time. at 0627, GHG-17a abruptly rose, bubbled and pulsed, then dropped. no further action as of 0633.
25900 30 May 2023 @ 0557 --- Graham Stronger flaming with continuous big bubbled to the surfsce cresting waves. Greenish color. 1104 no longer flaming. Pool is ugly yellow brown.
25803 26 May 2023 @ 1715 --- Graham Flaming in the vent and small bubbles reaching the surface.
25788 26 May 2023 @ 0609 --- Graham It had convection over the vent and wss pushing some dirt into the pool yesterday, making it a slight yellow. Today, it's clear.
25746 24 May 2023 @ 1312 --- SantaFe108 Steam bubbles flaming within vents, nasty fishy smell.
25451 15 May 2023 @ 1530 --- Graham Bacteria has gone from the vent and it's clear but still flooded with water.
No attachments for this geyser.
Baseline does not exist.