Morning's Thief Geyser

Last Known Eruption
60d 9h 59m ago

Latest Eruptions

Eruption DurationInterval
28 Jan 2023 @ 1126 ns102d 17h 23m
17 Oct 2022 @ 19034m
17 Oct 2022 @ 1859 ini1d 4h 9m
16 Oct 2022 @ 14503m
16 Oct 2022 @ 1447 ini4h 40m
16 Oct 2022 @ 10073m
16 Oct 2022 @ 10042d 19h 35m
13 Oct 2022 @ 14294m
13 Oct 2022 @ 1425 ini3d 1h 12m
10 Oct 2022 @ 13133m
10 Oct 2022 @ 1310 ini1d 18h 55m
08 Oct 2022 @ 18154m
08 Oct 2022 @ 18114h 20m
08 Oct 2022 @ 13514m
08 Oct 2022 @ 1347 ini1d 54m
07 Oct 2022 @ 12534m
07 Oct 2022 @ 1249 ini1d 17h 53m
05 Oct 2022 @ 185632m
05 Oct 2022 @ 182421h 1m
04 Oct 2022 @ 21234m
04 Oct 2022 @ 2119 ini4h 31m
04 Oct 2022 @ 16484m
04 Oct 2022 @ 1644 ini23h 43m
03 Oct 2022 @ 17014m
03 Oct 2022 @ 165737m
03 Oct 2022 @ 162010m
03 Oct 2022 @ 161021m
03 Oct 2022 @ 1549~1m 9m
03 Oct 2022 @ 1540~1m 13m
03 Oct 2022 @ 1527Seconds17m
03 Oct 2022 @ 1510Seconds15m
03 Oct 2022 @ 1455~1m 34m
03 Oct 2022 @ 142146m
03 Oct 2022 @ 13351h 10m
03 Oct 2022 @ 12253d 2h 0m
30 Sep 2022 @ 10254m
30 Sep 2022 @ 1021 ini18h 54m
29 Sep 2022 @ 15275h 56m
29 Sep 2022 @ 093116h 45m
28 Sep 2022 @ 16463m
28 Sep 2022 @ 1643 ini5h 26m
28 Sep 2022 @ 11173m
28 Sep 2022 @ 11149m
28 Sep 2022 @ 1105 ini15h 31m
27 Sep 2022 @ 19343m
27 Sep 2022 @ 1931 ini4h 20m
27 Sep 2022 @ 15114m
27 Sep 2022 @ 150722h 14m
26 Sep 2022 @ 16532d 2h 6m
24 Sep 2022 @ 14473m
24 Sep 2022 @ 1444 ini20h 19m
23 Sep 2022 @ 1825 ini2d 8h 14m
21 Sep 2022 @ 1011 ini16h 25m
20 Sep 2022 @ 1746 ini7h 31m
20 Sep 2022 @ 101514h 29m
19 Sep 2022 @ 19463m
19 Sep 2022 @ 1943 ini6h 38m
19 Sep 2022 @ 13053m
19 Sep 2022 @ 1302 ns21h 21m
18 Sep 2022 @ 15411d 1h 12m
17 Sep 2022 @ 14293m
17 Sep 2022 @ 14267h 24m
17 Sep 2022 @ 07026m
17 Sep 2022 @ 0656 ini14h 44m
16 Sep 2022 @ 16123m
16 Sep 2022 @ 1609 ini3d 22h 25m
12 Sep 2022 @ 17444m
12 Sep 2022 @ 1740 ini7h 10m
12 Sep 2022 @ 10303m
12 Sep 2022 @ 1027 ini15h 15m
11 Sep 2022 @ 1912Over a minute4m
11 Sep 2022 @ 19085h 16m
11 Sep 2022 @ 13526m
11 Sep 2022 @ 13465h 16m
11 Sep 2022 @ 083014h 11m
10 Sep 2022 @ 18193m
10 Sep 2022 @ 1816 ini4h 27m
10 Sep 2022 @ 13494m
10 Sep 2022 @ 134521h 17m
09 Sep 2022 @ 16283m
09 Sep 2022 @ 162520h 17m
08 Sep 2022 @ 2008 ini4h 2m
08 Sep 2022 @ 16064m
08 Sep 2022 @ 16026m
08 Sep 2022 @ 1556 ini6h 13m
08 Sep 2022 @ 09434m
08 Sep 2022 @ 0939 ini1d 13h 4m
06 Sep 2022 @ 20355m
06 Sep 2022 @ 20306m
06 Sep 2022 @ 2024 ini6h 59m
06 Sep 2022 @ 13252m
06 Sep 2022 @ 1323 ini4h 28m
06 Sep 2022 @ 08554m
06 Sep 2022 @ 085111m
06 Sep 2022 @ 0840 ini13h 15m
05 Sep 2022 @ 19253m
05 Sep 2022 @ 19223m
05 Sep 2022 @ 1919 ini4h 59m
05 Sep 2022 @ 1420 ini1d 1h 13m
04 Sep 2022 @ 13073m

Interval Statistics

Interval Count100
Min2m
Max102d 17h 23m
Mean1d 11h 2m
Median41m
Initial-to-Initial
Interval Count30
Min4h 12m
Max4d 6h 23m
Mean1d 10h 35m
Median1d 1h 7m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
24707 17 Oct 2022 @ 1908 --- Tara boil up, no eruption
24424 16 Oct 2022 @ 1454 --- Tara boil up, no eruption
24275 05 Oct 2022 @ 1839 --- steve Boil no eruption
24159 29 Sep 2022 @ 0934 --- ThomasR Attempted to erupt
24637 16 Sep 2022 @ 1617 --- Tara low, weak boil up
24638 16 Sep 2022 @ 1557 --- Tara water became visible rising in crater with boiling
23751 11 Sep 2022 @ 1354 --- steve Boiled
23750 11 Sep 2022 @ 1350 --- steve Boiled
23709 10 Sep 2022 @ 1340 --- ThomasR Boil in Morning’s Thief
23680 09 Sep 2022 @ 1633 --- Stephen_Gemar Boiled up, no eruption.
23685 09 Sep 2022 @ 1621 --- steve Low boiling
23665 08 Sep 2022 @ 2004 --- Tara long boil up, no eruption
23590 05 Sep 2022 @ 1423 --- Dave W Filled but did not erupt
23453 27 Aug 2022 @ 1805 27 Aug 2022 @ 2011 Tara No water visible in MT from 1805 until 3 minutes into Fountain at 1947. The basin filled at about 1950 and the water remained at that level with gentle boiling until the end of Fountain. The water level began to drop at 2011.
24552 26 Aug 2022 @ 1833 --- Tara boil up with no eruption 3 minutes before the start of Fountain
23418 23 Aug 2022 @ 2208 --- Tara boiled up 4 minutes prior to Fountain
23245 18 Aug 2022 @ 1029 --- steve Boil, no eruption
23230 17 Aug 2022 @ 0906 --- steve One minute boil
23229 17 Aug 2022 @ 0851 --- steve Low boil
23214 16 Aug 2022 @ 0755 --- steve Low boiling
23200 15 Aug 2022 @ 1322 --- steve Boiled to 6 feet but that’s all
23199 15 Aug 2022 @ 1308 --- steve A second small boil.
23198 15 Aug 2022 @ 1304 --- steve Morning’s Thief boiled to a few feet.
23157 12 Aug 2022 @ 1631 --- minissa Just noting that MT again filled and boiled, remaining within an inch either way of OF and remained at this level till Fountain drained, at which point it also drained.
23155 12 Aug 2022 @ 1626 --- minissa Bubbled to 2-3 feet, then quit
23086 06 Aug 2022 @ 1702 --- Tara strong boil up with lots of runoff into Morning but did not fully erupt
23066 05 Aug 2022 @ 2027 --- Tara low boil up, water level never reached rim
23019 03 Aug 2022 @ 2025 --- Tara strong boil up, no eruption
22937 29 Jul 2022 @ 1603 --- LynnS Boiled up
22882 27 Jul 2022 @ 1348 --- LynnS Boiled up nut did not erupt
23020 26 Jul 2022 @ 2138 --- Tara low boil up
22817 23 Jul 2022 @ 1949 --- steve Good boil to maybe 6-10 feet high
22573 14 Jul 2022 @ 1246 --- LynnS Boiled again
22572 14 Jul 2022 @ 1241 --- LynnS Boiled
22478 11 Jul 2022 @ 0031 --- Tara noisy boil up, not a full eruption
22455 10 Jul 2022 @ 0106 --- Tara boiled up without erupting
22422 09 Jul 2022 @ 0937 --- steve Boiled, but only boiled.
22413 08 Jul 2022 @ 1833 --- Tara boiled up without erupting
22412 08 Jul 2022 @ 1825 --- Tara boiled up without erupting
22402 08 Jul 2022 @ 1252 --- steve Low boil to 1-2 feet, no eruption
22302 03 Jul 2022 @ 1945 --- steve Came up, boiled, but no boom.
22345 30 Jun 2022 @ 1902 --- Tara boiled up but did not erupt
22220 29 Jun 2022 @ 2020 --- Tara Boiled up but did not erupt. This was the only time I saw water.
22184 28 Jun 2022 @ 0947 --- LynnS Boiled up but did not erupt
22039 19 Jun 2022 @ 1823 --- Tara Saw water boil up, but could not see if there was an eruption. MT was obscured by Fountain's steam after that.
22038 19 Jun 2022 @ 1816 --- Tara Low boil-up just before Fountain rise.
22031 18 Jun 2022 @ 2013 --- Tara boiled up, no eruption
22030 18 Jun 2022 @ 1511 --- Tara boiled up but did not erupt
21878 09 Jun 2022 @ 1911 --- Tara Big boil up, not a full eruption
21814 07 Jun 2022 @ 1632 --- Graham Boiled up 4m before Fountain started.
21641 01 Jun 2022 @ 1529 --- Stephen_Gemar First water in Thief. Boiled up but no eruption. Nothing further observed from Morning’s Thief, but vision was obscured by steam.
21409 21 May 2022 @ 1715 --- Tara When I looked at MT late in Fountain's eruption, it was nearly full with somw bubbling. This continued for several minutes. It began to drop gradually out of sight at 1715, about 1 minute before Fountain ended.
21170 05 May 2022 @ 1421 --- Tara boiling visible
21127 29 Apr 2022 @ 1510 --- DanS Boiled up but did not erupt
20040 18 Oct 2021 @ 1557 18 Oct 2021 @ 1559 Tara variable boiling from a.few inches below overflow
20039 18 Oct 2021 @ 1547 --- Tara boiling at low water level
20353 15 Oct 2021 @ 1737 --- Tara boiled up but did not erupt
20354 05 Oct 2021 @ 1428 --- Tara boiled up but did not erupt
19719 24 Sep 2021 @ 1207 --- SteveO Boiled up, no eruption.
19665 20 Sep 2021 @ 1349 --- Graham Splashy boil.
19536 13 Sep 2021 @ 1053 --- Graham Big boil
19406 09 Sep 2021 @ 1425 09 Sep 2021 @ 1428 Graham Boiled up, 15m after Fountain. Looked more like a small vertical eruption rather than the rounded boil it usually does.
19405 09 Sep 2021 @ 1406 --- Graham Water visible in MT. Just moved to the overlook so it might have been visible earlier. 4min before Fountain erupted.
19264 03 Sep 2021 @ 2008 --- Tara boiled up, no eruption
19181 31 Aug 2021 @ 0815 --- Graham Boiled up before Fountain.
19023 23 Aug 2021 @ 1707 --- William boiled to the crater rim but did not erupt.
18989 22 Aug 2021 @ 1546 22 Aug 2021 @ 1555 minissa Maintained a full, bubbling pool for most of this time, but if there was a follow-up eruption, the steam from Fountain and Clepsydra obscured it.
18970 20 Aug 2021 @ 2018 --- minissa Bubbled up but did not erupt
18969 20 Aug 2021 @ 2006 --- minissa Bubbled up but did not erupt
18757 31 Jul 2021 @ 0639 --- LynnS Boiled up about 3 feet above ground but did not erupt
18658 25 Jul 2021 @ 1051 --- LynnS Boiled but did not erupt
18634 24 Jul 2021 @ 0929 --- LynnS Boiled but did not erupt
18554 20 Jul 2021 @ 2011 --- Tara Boiled up, no eruption
18534 19 Jul 2021 @ 1635 --- Tara boiled up but did not erupt
18523 19 Jul 2021 @ 1101 --- steve Boiled but did not erupt
18470 16 Jul 2021 @ 2124 --- steve Boiled to 3-4 feet
18398 12 Jul 2021 @ 2052 --- William boiled and tried pretty hard to erupt for ~30s but did not
18376 11 Jul 2021 @ 1919 --- Tara low boil up, no eruption
18301 06 Jul 2021 @ 2127 06 Jul 2021 @ 2130 Tara low boiling, did not really try to erupt
18267 04 Jul 2021 @ 2118 --- Tara Weak boil up.
18268 04 Jul 2021 @ 2105 --- Tara Approximate time of first boil up prior to Fountain.
18251 02 Jul 2021 @ 2202 --- Tara boiled up, no eruption
18250 02 Jul 2021 @ 2152 --- Tara boiled up from below overflow
18249 02 Jul 2021 @ 2148 --- Tara boiled up from below overflow
18208 30 Jun 2021 @ 1046 --- Graham Boiled up.
18199 29 Jun 2021 @ 1820 29 Jun 2021 @ 1838 Tara Water level rose after 1816 eruption and pool boiled up several times between 1820 and 1828, but it did not erupt. After 1828 the boiling ended, but pool was full and overflowing into Morning until Fountain stopped at 1837. Water dropped out if sight at 1838.
18198 29 Jun 2021 @ 1813 --- Tara Filled and stayed full & boiling until 1816 eruption
17987 21 Jun 2021 @ 2118 --- Tara boiled up prior to Ftn start
17774 14 Jun 2021 @ 1122 --- LynnS Boiled up to ground level at 1120 but did not erupt with the 1115 eruption of Fountain.
17714 12 Jun 2021 @ 1016 12 Jun 2021 @ 1023 bbev MT continued to boil and "crown".
17633 09 Jun 2021 @ 1906 --- Tara boiled up, no eruption
17583 08 Jun 2021 @ 1347 --- Graham Boiled up before Fountain.
17584 08 Jun 2021 @ 1332 --- Graham Boiled up before Fountain. First pre-Fountain boil I have seen this trip.
17520 06 Jun 2021 @ 2053 --- Tara boiled up, no eruption
17496 05 Jun 2021 @ 2023 --- Tara boiled up, no eruption
17378 02 Jun 2021 @ 1332 --- Stephen_Gemar Boiled up, but no eruption.
17377 02 Jun 2021 @ 1322 --- Stephen_Gemar Small splashing seen in Thief.
17302 30 May 2021 @ 2311 --- Tara boiled up, no eruption
17299 30 May 2021 @ 1721 --- Tara boiled up, no eruption
17298 30 May 2021 @ 1111 --- Tara boiled up, no eruption
EntrySourceLinkComment
09 Aug 2018 @ 1223 JSJ https://www.flickr.com/photos/jsjgeology/45811573254 Photo (1 of 4) of Morning Thief's Geyser's 12:23 PM eruption on 9 August 2018.
09 Aug 2018 @ 1218 JSJ https://www.flickr.com/photos/jsjgeology/46483349132 Photo (1 of 2) of Morning Thief's Geyser's 12:18 PM eruption on 9 August 2018.
06 Aug 2017 @ 1304 JSJ https://www.flickr.com/photos/jsjgeology/36442715011 Photo (out of 6) of Morning's Thief Geyser's 1:04 PM eruption on 6 August 2017.
10 Aug 2017 @ 1700 JSJ https://www.flickr.com/photos/jsjgeology/36183820090 Photo (out of 3) of Morning's Thief Geyser's 5:00 PM eruption on 10 August 2017.
10 Aug 2017 @ 1703 JSJ https://www.flickr.com/photos/jsjgeology/36183816810 Photo (1 of 4) of Morning's Thief Geyser's 5:03 to 5:04 eruption on 10 August 2017.
14 May 2015 @ 1715 JSJ https://www.youtube.com/watch?v=NHF-LylA7UY Video of the 5:15 PM eruption of Morning Thief's Geyser on 14 May 2015.
08 Jul 2014 @ 0826 JSJ https://www.youtube.com/watch?v=7zuQk8JsNTQ Clip # 1 of this video compilation depicts the Morning's Thief-Fountain dual eruption.
12 Jul 2014 @ 1532 JSJ https://www.youtube.com/watch?v=RKmS2pgjyGw Clips # 1-2 and # 7-8 of this video compilation depict the Fountain-Morning's Thief dual eruptions at 1532-1533 and 1536-1537.
Baseline does not exist.
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