Last Known Eruption
7h 4m ago

Latest Eruptions

Eruption DurationInterval
15 Jun 2019 @ 133223h 7m
14 Jun 2019 @ 14252m
14 Jun 2019 @ 142322h 28m
13 Jun 2019 @ 155522h 56m
12 Jun 2019 @ 16592d 4h 59m
10 Jun 2019 @ 12002d 23h 34m
07 Jun 2019 @ 1226 ?15h 22m
06 Jun 2019 @ 210422h 41m
05 Jun 2019 @ 2223 ini15h 19m
05 Jun 2019 @ 0704 ini23h 3m
04 Jun 2019 @ 0801 ini7h 44m
04 Jun 2019 @ 0017 ini15h 10m
03 Jun 2019 @ 09074m
03 Jun 2019 @ 0903 ini1d 1h 51m
02 Jun 2019 @ 0712 ini19h 38m
01 Jun 2019 @ 11343m
01 Jun 2019 @ 113115m
01 Jun 2019 @ 1116 ini1d 12h 55m
30 May 2019 @ 22214m
30 May 2019 @ 22173m
30 May 2019 @ 221410m
30 May 2019 @ 220412m
30 May 2019 @ 215212m
30 May 2019 @ 21408m
30 May 2019 @ 2132 ini11h 5m
30 May 2019 @ 10274m
30 May 2019 @ 10232m
30 May 2019 @ 10213m
30 May 2019 @ 10187m
30 May 2019 @ 101147s 38m
30 May 2019 @ 0933<15s 3h 15m
30 May 2019 @ 061827h 12m
29 May 2019 @ 230658m 8h 33m
29 May 2019 @ 14337h 55m
29 May 2019 @ 06384m
29 May 2019 @ 06343m
29 May 2019 @ 06316m
29 May 2019 @ 0625 ini8h 17m
28 May 2019 @ 22084m
28 May 2019 @ 22042m
28 May 2019 @ 22029m
28 May 2019 @ 21538m
28 May 2019 @ 214524m
28 May 2019 @ 2121 ini16h 47m
28 May 2019 @ 04347h 46m
27 May 2019 @ 20487h 57m
27 May 2019 @ 12513d 16h 23m
23 May 2019 @ 2028 ini2d 5h 13m
21 May 2019 @ 15154m
21 May 2019 @ 15116m
21 May 2019 @ 15058m
21 May 2019 @ 14578h 33m
21 May 2019 @ 06247m
21 May 2019 @ 06179m
21 May 2019 @ 06088h 28m
20 May 2019 @ 21403m
20 May 2019 @ 21379m
20 May 2019 @ 212811m
20 May 2019 @ 21179d 23h 42m
10 May 2019 @ 2135144d 9h 11m
17 Dec 2018 @ 1124 ie48d 20h 46m
29 Oct 2018 @ 15381d 22h 56m
27 Oct 2018 @ 16422m
27 Oct 2018 @ 16403d 4h 22m
24 Oct 2018 @ 1218 A13d 21h 13m
10 Oct 2018 @ 15053d 19h 44m
06 Oct 2018 @ 192120-30 Seconds5d 1h 22m
01 Oct 2018 @ 17593m
01 Oct 2018 @ 17565m
01 Oct 2018 @ 17511d 1h 8m
30 Sep 2018 @ 16432m
30 Sep 2018 @ 16418m
30 Sep 2018 @ 16332d 20h 56m
27 Sep 2018 @ 193712m
27 Sep 2018 @ 19253d 3h 28m
24 Sep 2018 @ 15573m
24 Sep 2018 @ 15546d 7h 53m
18 Sep 2018 @ 08013d 13h 7m
14 Sep 2018 @ 1854 min3d 1h 34m
11 Sep 2018 @ 17202m
11 Sep 2018 @ 17182d 19h 52m
08 Sep 2018 @ 21264m
08 Sep 2018 @ 21221d 6h 57m
07 Sep 2018 @ 14254m
07 Sep 2018 @ 14213m
07 Sep 2018 @ 14189m
07 Sep 2018 @ 14098m
07 Sep 2018 @ 1401~50s 53m
07 Sep 2018 @ 130822d 21h 52m
15 Aug 2018 @ 15165d 20h 26m
09 Aug 2018 @ 18506h 27m
09 Aug 2018 @ 12235m
09 Aug 2018 @ 121811d 2h 5m
29 Jul 2018 @ 10131d 23h 29m
27 Jul 2018 @ 10443m
27 Jul 2018 @ 10411d 13h 51m
25 Jul 2018 @ 20504m
25 Jul 2018 @ 20461d 12h 5m
24 Jul 2018 @ 0841 ns1d 13h 23m
22 Jul 2018 @ 19183m

Interval Statistics

Interval Count100
Min2m
Max144d 9h 11m
Mean3d 6h 39m
Median4h 51m
Initial-to-Initial
Interval Count10
Min7h 44m
Max5d 53m
Mean1d 7h 23m
Median21h 29m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
11590 05 Jun 2019 @ 0701 --- Graham Big boil
11430 30 May 2019 @ 2110 --- Tara Water visible. No eruption of Fountain or Morning as of 2125.
11433 30 May 2019 @ 1000 --- Kyle boiling up within crater up to 2 ft H D= ~10 sec. boiling audible within FTN immediately prior
11432 30 May 2019 @ 0952 --- Kyle boiling within crater 1-2 ft H. D<10 s. audible boiling within Fountain immediately prior
11431 30 May 2019 @ 0944 --- Kyle boiling up within crater with a little water briefly visible. <1ft. audible boiling within Fountain immediately prior to MT
11406 28 May 2019 @ 2154 --- Graham Boil up.
11405 28 May 2019 @ 2129 --- Graham Boil up.
11303 21 May 2019 @ 1430 21 May 2019 @ 1457 Kyle Steam cleared enough to see MT continual boiling 6-12 inches within crater prior to eruption
11278 21 May 2019 @ 0553 --- Micah Kipple Periodically rising and surging.
11207 10 May 2019 @ 2129 --- Tara Boiled up 2-3 feet.
11011 20 Apr 2019 @ 1405 --- DanS Boiling but no eruption.
7736 03 Sep 2017 @ 2359 --- Tara Boiled up but did not erupt.
5669 03 Sep 2017 @ 1030 --- Graham Boiled with a few splashes but not a full wruption.
5678 06 Aug 2017 @ 2054 --- JSJ Roiling at 2054 to 2055, but no eruption.
4886 04 Aug 2017 @ 1817 --- Tara Boiled up.
4885 03 Aug 2017 @ 2036 --- Tara Boiled up.
4463 13 Jul 2017 @ 1921 --- Tara Boiled up enough tobout water in basin.
4456 12 Jul 2017 @ 2202 --- Tara Boiled up but did not erupt.
4453 09 Jul 2017 @ 1938 --- Tara Very weak boil-up, water barely visible.
4383 30 Jun 2017 @ 2128 --- Tara Boiled up weakly at 2128, 2130, and 2131, no water into basin.
4382 29 Jun 2017 @ 2132 --- Tara Boiled up with water into the basin but did not erupt.
4282 08 Jun 2017 @ 2138 --- Tara Boiled up but did not erupt.
4148 27 May 2017 @ 1737 --- Tara Boiled up but did not erupt.
4091 12 May 2017 @ 2054 --- Tara Boiled up, no eruption.
4085 12 May 2017 @ 1248 --- Tara boiled up but did not erupt
4042 04 May 2017 @ 1706 --- Tara boiled up but did not erupt
3479 12 Aug 2016 @ 1623 --- JSJ Morning's Thief Geyser engaged in basin-wide roiling from 1623 to 1624, but no follow-up eruption(s).
3415 02 Aug 2016 @ 1718 --- JSJ Roiling at 1718, but no follow-up eruptions.
3412 02 Aug 2016 @ 1211 02 Aug 2016 @ 1213 JSJ Morning's Thief Geyser engaged in low roiling at 1211 and 1213, but no follow-up eruptions.
3387 30 Jul 2016 @ 1708 30 Jul 2016 @ 1712 Tara Boiled up at 1708 and 1712, no eruption.
2120 13 Aug 2015 @ 1312 --- JSJ Pool level rising with roiling/boiling at 1312, but no immediately subsequent eruption.
658 31 Oct 2012 @ 0000 31 Oct 2012 @ 1200 Maureen Steve was out at Fountain last night and saw multiple Morning\'s Thief eruptions for over 3 hours, yet no Fountain or Morning activity.
2708 30 Aug 2010 @ 1630 --- Tara Morning's Thief boiled up to about 5 feet at the start of Fountain but didn't have a full 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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