Last Known Eruption
57d 15h 34m ago

Latest Eruptions

Eruption DurationInterval
24 Sep 2024 @ 1608 ie14d 21h 24m
09 Sep 2024 @ 1844 ie wc23d 2h 41m
17 Aug 2024 @ 1603 ie wc277d 6h 45m
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 Count49
Min42m
Max9y 249d 16h 52m
Mean230d 20h 6m
Median11d 21h 17m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
37601 17 Oct 2024 @ 0738 --- K.Cooper full
37542 13 Oct 2024 @ 1039 --- K.Cooper empty
37404 05 Oct 2024 @ 0754 --- Graham Empty. Uncertain quiet.
37397 04 Oct 2024 @ 1430 --- Ben VL Empty.
37183 27 Sep 2024 @ 0820 --- Dan A No water visible, group is in a deep drain
37124 23 Sep 2024 @ 1020 --- Graham Drained. Sawmill still ie.
37091 20 Sep 2024 @ 1428 --- Graham Just started to drop
37063 19 Sep 2024 @ 1334 --- SteveO Started draining at 1334.
37035 18 Sep 2024 @ 0925 --- SteveO Twilight drained and boiling at depth. Sawmill Deep Drain.
37024 17 Sep 2024 @ 1158 --- Graham Started to drop
37005 16 Sep 2024 @ 0730 --- SteveO Drained out of sight. Sawmill Deep Drain.
36989 15 Sep 2024 @ 1312 --- SteveO Twilight started draining.
36968 14 Sep 2024 @ 0730 --- SteveO Drained out of sight.
36951 13 Sep 2024 @ 1040 --- SteveO Twilight has started draining. Sawmill Deep Drain. Drained out of sight at 1100.
36934 12 Sep 2024 @ 1337 --- SteveO Drained out of sight. Sawmill Deep Drain.
36902 11 Sep 2024 @ 1422 --- SteveO Drained out of sight.
36882 10 Sep 2024 @ 0844 --- SteveO Drained out of sight
36873 09 Sep 2024 @ 1707 --- SteveO Starting to drain. 1718 drained out of sight
36849 08 Sep 2024 @ 1356 --- SteveO Starting to drain.
36825 07 Sep 2024 @ 1332 --- SteveO Starting to drop. Drained out of sight at 1342. Sawmill end at 1352. Sawmill Deep Drain.
36791 06 Sep 2024 @ 1015 --- SteveO Starting to drain. Drained out of sight at 1033. Sawmill Deep Drain.
36764 05 Sep 2024 @ 0801 --- SteveO Starting to drain. Sawmill Deep Drain.
36728 03 Sep 2024 @ 1822 --- SteveO Just starting to drain. Sawmill deep drain.
36501 21 Aug 2024 @ 1632 --- Craigmon99 Empty this pool is
36492 20 Aug 2024 @ 1817 --- Craigmon99 Full and waving
36396 14 Aug 2024 @ 0704 --- JimS Nearly empty
36347 10 Aug 2024 @ 1015 --- RMichaels Empty
36281 05 Aug 2024 @ 0637 --- JimS Empty
36246 03 Aug 2024 @ 1353 --- Tara empty with hardly any steam. recently deep drained
36195 01 Aug 2024 @ 0633 --- JimS Empty
36107 26 Jul 2024 @ 0618 --- JimS Full and overflowing
36089 25 Jul 2024 @ 0641 --- JimS Full and overflowing
36046 23 Jul 2024 @ 0635 --- JimS Very low and boiling
36024 22 Jul 2024 @ 0657 --- JimS Full and waving
35969 18 Jul 2024 @ 1608 --- Ben VL Starting to drain
35950 18 Jul 2024 @ 0724 --- JimS Empty
35933 17 Jul 2024 @ 0712 --- JimS Empty
35932 17 Jul 2024 @ 0628 --- JimS Full and waving
35911 16 Jul 2024 @ 0939 --- JimS Empty
35886 14 Jul 2024 @ 0619 --- JimS Low and boiling
35832 11 Jul 2024 @ 0558 --- JimS Very low, boiling
35817 10 Jul 2024 @ 0719 --- JimS empty
35813 10 Jul 2024 @ 0624 --- JimS Full and quiet
35811 09 Jul 2024 @ 1448 --- deanl full to brim
35808 09 Jul 2024 @ 0813 --- Delta4Heavy85 Empty
35797 09 Jul 2024 @ 0650 --- JimS Full and waving
35777 08 Jul 2024 @ 1256 --- deanl in deep drain - no water visible
35760 07 Jul 2024 @ 1119 --- WillBoekel drained
35755 07 Jul 2024 @ 0623 --- JimS A bit low
35737 06 Jul 2024 @ 0723 --- JimS empty
35712 04 Jul 2024 @ 0957 --- deanl full T this time
35701 03 Jul 2024 @ 1041 --- K.Cooper empty
35599 28 Jun 2024 @ 0811 --- K.Cooper empty - sawmill and tardy still ie
35588 27 Jun 2024 @ 0926 --- deanl recovering from deep drain
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
No attachments for this geyser.
Baseline does not exist.