Last Known Eruption
221d 3h 58m ago

Latest Eruptions

Eruption DurationInterval
14 Nov 2023 @ 0818 wc1d 16h 45m
12 Nov 2023 @ 1533 ie wc2d 2m
10 Nov 2023 @ 1531 wc2d 23h 48m
07 Nov 2023 @ 1543 ie wc29d 23h 30m
08 Oct 2023 @ 1713 ie8d 6h 14m
30 Sep 2023 @ 1059 ie57d 1h 58m
04 Aug 2023 @ 0901 wc46d 22h 46m
18 Jun 2023 @ 10151d 15h 39m
16 Jun 2023 @ 183622d 21h 52m
24 May 2023 @ 2044 ie4d 10h 13m
20 May 2023 @ 1031 ie22d 15h 3m
27 Apr 2023 @ 1928 ie wc33d 5h 16m
25 Mar 2023 @ 1412 wc36d 20h 23m
16 Feb 2023 @ 1649 wc109d 1h 28m
30 Oct 2022 @ 162123d 2h 47m
07 Oct 2022 @ 133411d 13h 54m
25 Sep 2022 @ 2340 ns20d 15h 39m
05 Sep 2022 @ 080188d 9h 49m
08 Jun 2022 @ 2212 ie12h 47m
08 Jun 2022 @ 0925 ie22h 11m
07 Jun 2022 @ 1114 ie21h 17m
06 Jun 2022 @ 13577d 23h 20m
29 May 2022 @ 143711d 21h 17m
17 May 2022 @ 17206d 6h 56m
11 May 2022 @ 1024102d 22h 33m
28 Jan 2022 @ 1051 ie wc9d 22h 36m
18 Jan 2022 @ 12151d 4h 34m
17 Jan 2022 @ 074122h 23m
16 Jan 2022 @ 091878d 23h 41m
29 Oct 2021 @ 1037 ie42d 28m
17 Sep 2021 @ 100942m
17 Sep 2021 @ 0927 ie1d 21h 5m
15 Sep 2021 @ 12224h 51m
15 Sep 2021 @ 07318d 19h 10m
06 Sep 2021 @ 1221 ns10d 3h 15m
27 Aug 2021 @ 090614h 52m
26 Aug 2021 @ 181410h 13m
26 Aug 2021 @ 08014d 16h 21m
21 Aug 2021 @ 1540 ie3y 116d 6h 45m
28 Apr 2018 @ 0855 ie3y 326d 15h 33m
06 Jun 2014 @ 1722272d 20h 48m
06 Sep 2013 @ 2034 ie114d 9h 58m
15 May 2013 @ 1036 ie9y 249d 16h 52m
10 Sep 2003 @ 1744 ie3d 23h 3m
06 Sep 2003 @ 1841 ie6y 72d 7h 50m
27 Jun 1997 @ 10513y 264d 19h 47m
06 Oct 1993 @ 1504 ie

Interval Statistics

Interval Count46
Min42m
Max9y 249d 16h 52m
Mean239d 55m
Median10d 20h 34m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
35440 22 Jun 2024 @ 1016 --- K.Cooper empty
35316 18 Jun 2024 @ 1838 --- K.Cooper low and refilling
35295 17 Jun 2024 @ 1724 --- K.Cooper out of sight
34890 04 Jun 2024 @ 1834 --- Graham Everything in deep drain except Sawmill and Slurp which are ie.
34865 03 Jun 2024 @ 1307 --- Graham Everything in deep drain except Sawmill ie.
34740 29 May 2024 @ 0715 --- SteveO Drained out of sight.
34721 28 May 2024 @ 0650 --- SteveO Draining.
34679 26 May 2024 @ 0645 --- SteveO Water level down a few inches and boiling.
34669 25 May 2024 @ 1023 --- SteveO Drained out of sight, boiling at depth. Sawmill Deep Drain.
34652 24 May 2024 @ 0846 --- SteveO Twilight has drained out of sight. Sawmill deep drain.
34643 23 May 2024 @ 0750 --- SteveO Boiling at depth, water out of sight. Sawmill deep drain.
34422 05 May 2024 @ 0859 --- Tara empty, quiet, and drying out
34284 21 Apr 2024 @ 0916 --- SantaFe108 Completely full.
33885 19 Jan 2024 @ 1549 --- K.Cooper almost full again after deep drain
33866 18 Jan 2024 @ 0741 --- K.Cooper high and filling
33818 16 Jan 2024 @ 1209 --- K.Cooper low but filling. everything else low
28408 22 Sep 2023 @ 0920 --- Tara Pool drained
28169 10 Sep 2023 @ 0652 --- SteveO Drained out of sight. Sawmill Deep Drain.
28133 09 Sep 2023 @ 0748 --- SteveO Drained out of sight.
28129 09 Sep 2023 @ 0636 --- SteveO Twilight Spring down about 6" and slightly boiling. Recovering from a Sawmill Deep Drain.
28119 08 Sep 2023 @ 1440 08 Sep 2023 @ 1503 SteveO Twilight Spring starting to drop. Drained out of sight during Penta mixed phase eruption. Sawmill Deep Drain.
28106 08 Sep 2023 @ 0722 --- SteveO Splashing and refilling.
28093 07 Sep 2023 @ 1539 --- SteveO Drained out of sight. Sawmill Deep Drain.
28078 07 Sep 2023 @ 0821 --- SteveO Twilight Spring drained out of sight. Sawmill Deep Drain.
28074 07 Sep 2023 @ 0624 --- SteveO Full and waving.
28047 06 Sep 2023 @ 0628 --- SteveO Splashing and refilling. Sawmill Deep Drain.
28036 05 Sep 2023 @ 1551 --- SteveO Drained out of sight. Sawmill Deep Drain.
28025 05 Sep 2023 @ 0707 --- JimS Full and waving
27995 04 Sep 2023 @ 0942 --- SteveO Drained out of sight. Sawmill Deep Drain.
27987 04 Sep 2023 @ 0632 --- SteveO Twilight Spring is full.
27970 03 Sep 2023 @ 0918 03 Sep 2023 @ 0943 SteveO Twilight Spring is draining. Sawmill ends at 0943, Sawmill Deep Drain.
27964 03 Sep 2023 @ 0647 --- JimS Full and waving
27940 02 Sep 2023 @ 1457 --- SteveO Splashing and refilling. Sawmill Deep Drain.
27905 01 Sep 2023 @ 1517 --- SteveO Drained out of sight and boiling at depth. Sawmil Deep Drain.
27891 01 Sep 2023 @ 0632 --- JimS Filling and splashing
27881 31 Aug 2023 @ 1132 --- SteveO Drained out of sight and boiling at depth. Sawmil deep drain.
27873 31 Aug 2023 @ 0615 --- JimS Full and waving
27859 30 Aug 2023 @ 0744 30 Aug 2023 @ 0753 SteveO Twilight Spring is draining. Sawmill is still erupting. 0753 Twilight Spring drained out of sight.
27849 29 Aug 2023 @ 1221 --- SteveO Drained out of sight and quiet. Sawmill ended at 1224.
27835 28 Aug 2023 @ 1742 --- SteveO Boiling vigorously at depth, water out of sight. Sawmill in a deep drain.
27822 28 Aug 2023 @ 0912 28 Aug 2023 @ 1035 SteveO Splashing and refilling, only down about 6 inches. Overflowing at 1035.
27802 27 Aug 2023 @ 0648 --- JimS Refilling and splashing
27632 16 Aug 2023 @ 0547 --- dandersen Empty
27318 30 Jul 2023 @ 0636 --- JimS Empty
27209 25 Jul 2023 @ 0615 --- JimS Boiling and refilling
27139 21 Jul 2023 @ 0703 --- JimS empty
27088 16 Jul 2023 @ 1509 --- deanl coming up from deep drain
27070 15 Jul 2023 @ 0705 --- JimS Empty
27005 11 Jul 2023 @ 0652 --- dandersen Water coming up
27001 11 Jul 2023 @ 0538 --- JimS Empty
26876 07 Jul 2023 @ 0552 --- JimS Boiling and refilling
26814 04 Jul 2023 @ 0608 --- JimS Boiling and refilling
26759 01 Jul 2023 @ 0538 --- JimS Boiling and refilling
26610 23 Jun 2023 @ 0802 --- JimS Splashing and refilling
26606 23 Jun 2023 @ 0548 --- JimS Empty
26585 22 Jun 2023 @ 0613 --- JimS Full and quiet
26483 20 Jun 2023 @ 0536 --- JimS empty
26454 19 Jun 2023 @ 0600 --- JimS Empty
26390 17 Jun 2023 @ 0618 --- JimS Empty
26368 16 Jun 2023 @ 1814 --- Craigmon99 Empty on walk up. Loud gurgling
26354 16 Jun 2023 @ 0642 --- JimS Empty
26336 15 Jun 2023 @ 1110 --- Craigmon99 Empty at this time
26259 12 Jun 2023 @ 0637 --- JimS Empty. deep drain
26211 10 Jun 2023 @ 0824 --- JimS empty
25946 01 Jun 2023 @ 1231 --- SteveO Twilight drained out of sight, Sawmill is in a deep drain.
25933 31 May 2023 @ 1250 --- JimS Empty
25877 29 May 2023 @ 0545 --- JimS Empty
25830 28 May 2023 @ 0620 --- JimS Empty
25778 25 May 2023 @ 1057 --- SteveO Water drained out of sight, Sawmill going into deep drain. Sawmill ie, Spasmodic quiet.
25571 20 May 2023 @ 0946 --- SantaFe108 Splashing a foot or so from an empty crater.
25499 17 May 2023 @ 1711 --- Graham Has only dropped a little, it's still in the lower beach area and has not dropped into the vent.
25450 15 May 2023 @ 1539 --- Tara water level down, splashing and refilling
25423 14 May 2023 @ 1210 --- User34 Dropping
24314 08 Oct 2022 @ 1004 --- Brando Full and gently bubbling
24108 25 Sep 2022 @ 2255 --- CrisG no visible water. can hear water churning at depth.
24010 22 Sep 2022 @ 1925 --- CrisG water level down. pool quiet.
23618 07 Sep 2022 @ 0757 --- Graham In overflow. High water in group.
23582 05 Sep 2022 @ 1302 --- User34 Started draining around this time, shelf is now exposed. Water dropped out of sight at 1309
23431 27 Aug 2022 @ 1547 --- User34 Down, group in deep drain
23337 21 Aug 2022 @ 1708 --- Craigmon99 2 inches below overflow
23296 20 Aug 2022 @ 1050 --- Brando Down below where the pool can be seen but shooting water to around a foot
23273 19 Aug 2022 @ 1402 --- SantaFe108 Completely drained out of sight.
22468 10 Jul 2022 @ 1619 --- User34 Water level just barely visible again
21852 09 Jun 2022 @ 0624 --- SteveO Twilight low and splashing, Sawmil removing from deep drain.
21784 06 Jun 2022 @ 1221 --- SantaFe108 Quiet and water is down out of sight.
21432 23 May 2022 @ 1351 --- Graham Drained after Spasmodic quit. Sawmill still ie.
21305 16 May 2022 @ 1030 --- Brando Down around 6 inches and bubbling
21216 07 May 2022 @ 1525 --- Tara water level down into throat, both vents splashing 1-2'
19843 02 Oct 2021 @ 0615 --- SteveO Down about a foot and bubbling, refilling from Sawmill Deep Drain.
19828 01 Oct 2021 @ 1456 --- SteveO Water drained out of sight and quiet. Sawmill Deep Drain.
19825 01 Oct 2021 @ 0854 --- SteveO Water drained out of sight and noisy. Sawmill Deep Drain.
19821 01 Oct 2021 @ 0630 --- SteveO Full and overflowing down past the boardwalk.
19797 30 Sep 2021 @ 0614 30 Sep 2021 @ 0643 SteveO Near overflow. Overflow is well past the boardwalk at 0643.
19794 29 Sep 2021 @ 1715 --- SteveO Water drained out of sight and boiling. Sawmill Deep Drain.
19789 29 Sep 2021 @ 1200 --- SteveO Water drained out of sight, Sawmill Deep Drain.
19775 29 Sep 2021 @ 0642 --- SteveO water drained out of sight and quiet.
19763 28 Sep 2021 @ 0645 28 Sep 2021 @ 1005 SteveO Twilight down a few inches and splashing. Sawmill is at 0642 with frequent short eruptions of Tardy, suspect Sawmill has been in eruption for a while. Twilight slowly rising, reached the base of the pillars at approximately 0900. 0955 water level in Twilight dropping, 1004 drained out of sight.
19754 27 Sep 2021 @ 0650 --- SteveO Water drained out of sight and quiet. Sawmill Deep Drain.
19742 26 Sep 2021 @ 1129 --- Graham Water below the pillars and calm. Looks like we have a long Sawmill in progress and will go into deep drain when Sawmill and Spasmodic stop. After both quit, Twilight came up a bit and Spasmodic came back on. After the short Spasmodic eruption, Twilight dropped to empty.
19734 26 Sep 2021 @ 0650 --- SteveO Water drained out of sight and boiling. Sawmill Deep Drain.
No attachments for this geyser.
Baseline does not exist.