| Note ID | Start Time (US/Mountain) | End Time (US/Mountain) | Entrant | Note |
| 40422 |
15 Jul 2025 @ 1149 |
--- |
LynnS |
Water boiled zbove ground but did not erupt |
| 40407 |
14 Jul 2025 @ 0849 |
--- |
LynnS |
Boiled up above ground level but did not erupt |
| 40362 |
13 Jul 2025 @ 2046 |
--- |
rbwhitaker |
Some small surges, but no outright bursting |
| 40302 |
08 Jul 2025 @ 2208 |
--- |
Tara |
low boil-up |
| 40301 |
08 Jul 2025 @ 2157 |
--- |
Tara |
strong boil, too steamy to know if there was visible water |
| 40001 |
21 Jun 2025 @ 2017 |
--- |
Tara |
low boil up |
| 39917 |
17 Jun 2025 @ 1956 |
17 Jun 2025 @ 2000 |
steve |
Seen from the turnout on the flats. I think the two eruptions were at 1956 and 1959 but those are approximate times. However I wanted to agree with Tara that the first Morning’s Thief eruption was HUGE. From the road it appeared to be bigger than any bursts Fountain had for it’s entire eruption. |
| 39818 |
12 Jun 2025 @ 1321 |
--- |
mhreed |
Boiled and a medium size splash. |
| 39510 |
29 May 2025 @ 2151 |
--- |
Tara |
strong boul up |
| 39383 |
26 May 2025 @ 1904 |
26 May 2025 @ 1905 |
Stephen_Gemar |
Boiled up several times to 3-4 feet but did not erupt. |
| 39345 |
24 May 2025 @ 1305 |
--- |
Tara |
boiled up without erupting |
| 39292 |
23 May 2025 @ 1857 |
--- |
Tara |
boiled up, no eruption |
| 39254 |
21 May 2025 @ 2021 |
--- |
Tara |
low boil-up |
| 39255 |
20 May 2025 @ 1839 |
--- |
Tara |
boiled up, no eruption |
| 39126 |
17 May 2025 @ 1241 |
--- |
Graham |
Boiled 8m before Fountain |
| 39125 |
17 May 2025 @ 1234 |
--- |
Graham |
Low splashing 15m before Fountain |
| 39101 |
16 May 2025 @ 1900 |
--- |
Graham |
Big boil 4m before Fountain |
| 39094 |
16 May 2025 @ 1341 |
--- |
Graham |
Boiled |
| 39086 |
16 May 2025 @ 0826 |
--- |
Graham |
Boiled 7m before Fountain |
| 39078 |
15 May 2025 @ 1743 |
--- |
Graham |
Boiled 8m after Fountain quit |
| 39079 |
15 May 2025 @ 1733 |
--- |
Graham |
2 small splashes 2m before Fountain |
| 39065 |
15 May 2025 @ 1233 |
--- |
Graham |
Boiled 5m after Fountain started |
| 39064 |
15 May 2025 @ 1224 |
--- |
Graham |
Boiled 4m before Fountain |
| 39060 |
15 May 2025 @ 0732 |
--- |
Graham |
Boiled 3m after Fountain started |
| 39013 |
12 May 2025 @ 1923 |
--- |
Graham |
Water pooled in the crater and bubbly. |
| 38970 |
10 May 2025 @ 2011 |
--- |
Graham |
Boiled 6m after Fountain |
| 38929 |
10 May 2025 @ 1452 |
--- |
Graham |
Boiled 6m before Fountain |
| 38927 |
10 May 2025 @ 0940 |
--- |
Graham |
Boiled 10m after Fountain |
| 38926 |
10 May 2025 @ 0928 |
--- |
Graham |
Boiled 2m before Fountain |
| 38925 |
10 May 2025 @ 0920 |
--- |
Graham |
Boiled 10m before Fountain |
| 38913 |
09 May 2025 @ 1858 |
--- |
Tara |
boiling visible from lower boardwalk |
| 38921 |
09 May 2025 @ 1858 |
--- |
steve |
Bubbling water in MT |
| 38916 |
09 May 2025 @ 1847 |
--- |
Tara |
splashing visible from overlook, noticed heavier steam about 10m before this |
| 38890 |
08 May 2025 @ 1554 |
--- |
Graham |
Big boil 5m before Fountain. |
| 38891 |
08 May 2025 @ 1545 |
--- |
Graham |
Low splashes 14m before Fountain and 9m before MT. |
| 38888 |
08 May 2025 @ 0948 |
--- |
Graham |
Weak boil 51m before Fountain and 40m before MT. |
| 38887 |
08 May 2025 @ 0935 |
--- |
Graham |
Low splashes 64m before Fountain and 53m before MT. |
| 38870 |
07 May 2025 @ 1609 |
--- |
Graham |
Boiled 5m before Fountain |
| 38858 |
06 May 2025 @ 2219 |
--- |
Graham |
Boiled 4m after Fountain started. |
| 38855 |
06 May 2025 @ 1354 |
--- |
Graham |
Low splashing 1m before Fountain |
| 38768 |
03 May 2025 @ 1827 |
--- |
Graham |
Weak boil |
| 38754 |
02 May 2025 @ 1854 |
--- |
Graham |
Low splashes 3m before Fountain |
| 38752 |
02 May 2025 @ 1356 |
--- |
Graham |
Weak boil 5m before Fountain |
| 38738 |
02 May 2025 @ 0840 |
--- |
Graham |
Boiled 14m before Fountain and 3m before MT. |
| 38737 |
02 May 2025 @ 0826 |
--- |
Graham |
Bigger rim splash 28m before Fountain |
| 38736 |
02 May 2025 @ 0806 |
--- |
Graham |
One splash rim height 48m before Fountain. |
| 38733 |
01 May 2025 @ 1933 |
--- |
Graham |
Boiled 11m after Fountain |
| 38732 |
01 May 2025 @ 1917 |
--- |
Graham |
Boiled 5m before Fountain |
| 38728 |
01 May 2025 @ 1400 |
--- |
Graham |
Weak boil 4m before Fountain |
| 38709 |
30 Apr 2025 @ 1004 |
--- |
Graham |
Small boil 9m before Fountain and 2m before MT. |
| 38627 |
25 Apr 2025 @ 1638 |
--- |
Graham |
Boiled 4m after Fountain |
| 38620 |
25 Apr 2025 @ 1037 |
--- |
Graham |
Boiled 4m after Fountain |
| 38605 |
24 Apr 2025 @ 1345 |
--- |
Graham |
Boiled 4m after Fountain |
| 38600 |
24 Apr 2025 @ 0718 |
--- |
Graham |
Boiled 3m after Fountain |
| 38595 |
23 Apr 2025 @ 1528 |
--- |
Graham |
Boiled 9m before Fountain |
| 38583 |
23 Apr 2025 @ 1045 |
--- |
Graham |
Boiled 8m after Fountain |
| 38582 |
23 Apr 2025 @ 1031 |
--- |
Graham |
Boiled 6m before Fountain |
| 38332 |
27 Feb 2025 @ 1940 |
--- |
K.Cooper |
consistent very weak boil |
| 38297 |
24 Feb 2025 @ 0922 |
--- |
K.Cooper |
visible low boil |
| 37388 |
03 Oct 2024 @ 1857 |
--- |
Graham |
Boiled up. |
| 37311 |
01 Oct 2024 @ 1148 |
--- |
Graham |
Boiled up. |
| 37288 |
30 Sep 2024 @ 1944 |
--- |
Graham |
Boiled up |
| 37282 |
30 Sep 2024 @ 1219 |
--- |
Graham |
Boiled up. |
| 37231 |
28 Sep 2024 @ 1800 |
--- |
Graham |
Boiled up but didn't erupt. |
| 37108 |
21 Sep 2024 @ 1725 |
--- |
Michael |
Boiled up but didn't erupt. |
| 37015 |
16 Sep 2024 @ 1741 |
--- |
Graham |
Boiled up but didn't erupt. |
| 36992 |
15 Sep 2024 @ 1505 |
--- |
Tara |
boiled up to a few feet but did not erupt. Low boiling could be seen at times until 1515. |
| 36923 |
12 Sep 2024 @ 0950 |
--- |
Graham |
First water blips seen |
| 36909 |
11 Sep 2024 @ 1450 |
--- |
Graham |
Filled and had a flat boil, but did not erupt . Continued low boil and had a push at 1455, 1500, 1502. Full and weak at 1504. |
| 36893 |
11 Sep 2024 @ 0405 |
--- |
Graham |
Boiled and splashed. |
| 36892 |
10 Sep 2024 @ 2120 |
--- |
Micah Kipple |
Big boil to 5-6 feet sorta bursty but the consensus was not an eruption. |
| 36866 |
09 Sep 2024 @ 1105 |
--- |
Graham |
Boiled |
| 36865 |
09 Sep 2024 @ 0700 |
--- |
Graham |
Pushes of steam. Water visible splashing in cone later. |
| 37912 |
20 Aug 2024 @ 1926 |
--- |
Tara |
water visible prior to initial at 1943 |
| 36454 |
18 Aug 2024 @ 1134 |
--- |
LynnS |
Boiled up above ground level but did not rrupt |
| 37911 |
14 Aug 2024 @ 2010 |
--- |
Tara |
boiled up prior to start of Fountain |
| 37908 |
01 Aug 2024 @ 2033 |
--- |
Tara |
boiled up but did not erupt |
| 37857 |
19 Jul 2024 @ 1941 |
--- |
Tara |
boiling visible from boardwalk |
| 37856 |
18 Jul 2024 @ 1856 |
--- |
Tara |
boiling visible from boardwalk |
| 35963 |
18 Jul 2024 @ 1317 |
18 Jul 2024 @ 1328 |
mhreed |
Sustained, violent boiling up to a few feet at times, with a couple instances of actual small splashes. No full, defined eruption. Weak boiling continued through 1335. |
| 35959 |
18 Jul 2024 @ 1129 |
--- |
mhreed |
Water no longer visible in MT but it’s been an hour since I last looked from the observation spur. |
| 35924 |
16 Jul 2024 @ 1905 |
16 Jul 2024 @ 1910 |
mhreed |
Splashed a bit but did not commit to an eruption. |
| 35678 |
02 Jul 2024 @ 1346 |
--- |
K.Cooper |
boil up |
| 35282 |
16 Jun 2024 @ 2052 |
16 Jun 2024 @ 2059 |
Craigmon99 |
Washing machine inside crater. Splashing up to 6 feet |
| 35220 |
14 Jun 2024 @ 1304 |
--- |
JSJ |
Water level high. |
| 35596 |
06 Jun 2024 @ 2118 |
--- |
Tara |
visible water, low boiling |
| 34602 |
17 May 2024 @ 1436 |
--- |
Tara |
boiled up but did not erupt |
| 34584 |
16 May 2024 @ 1817 |
--- |
Tara |
boiled up, no eruption |
| 34529 |
11 May 2024 @ 2130 |
--- |
Tara |
boiled up and filled basin, but did not erupt |
| 34420 |
04 May 2024 @ 1924 |
--- |
Tara |
water level rising with boiling |
| 29146 |
24 Sep 2023 @ 1048 |
--- |
Tara |
Possible third Morning's Thief eruption but hard to tell due to steam. |
| 28060 |
06 Sep 2023 @ 1009 |
--- |
Graham |
Boiled up. |
| 27572 |
13 Aug 2023 @ 1900 |
--- |
minissa |
Full and bubbling |
| 27569 |
13 Aug 2023 @ 1712 |
--- |
minissa |
Water just becoming visible |
| 27350 |
30 Jul 2023 @ 2309 |
--- |
Tara |
boiled up with no eruption |
| 27051 |
13 Jul 2023 @ 0752 |
13 Jul 2023 @ 0756 |
LynnS |
Boiled up 1 to 2 meters high but did not erupt in bursts |
| 27059 |
12 Jul 2023 @ 2106 |
--- |
Tara |
visible splashes, continued until initial eruption at 2113 |
| 26990 |
10 Jul 2023 @ 1458 |
--- |
minissa |
This was one of up to 5 independent solo eruptions; the thief's pool, which been full and boiling remained high till the series ended |
| 26648 |
24 Jun 2023 @ 1803 |
--- |
Graham |
Full and bubbling. |
| 26625 |
23 Jun 2023 @ 1128 |
--- |
Graham |
Small splash above the rim. Also 1131, 1134, 1144 |