Last Known Eruption
1d 18h 19m ago

Latest Eruptions

Eruption DurationInterval
13 Oct 2019 @ 14076d 1h 22m
07 Oct 2019 @ 12457m
07 Oct 2019 @ 12382d 18h 26m
04 Oct 2019 @ 1812 min6m
04 Oct 2019 @ 1806 min5h 57m
04 Oct 2019 @ 12092m
04 Oct 2019 @ 1207 ini6d 16h 33m
27 Sep 2019 @ 1934 ini1d 4h 29m
26 Sep 2019 @ 15053m
26 Sep 2019 @ 15022m
26 Sep 2019 @ 15001m
26 Sep 2019 @ 14592m
26 Sep 2019 @ 14573m
26 Sep 2019 @ 14543m
26 Sep 2019 @ 14513m
26 Sep 2019 @ 14483m
26 Sep 2019 @ 14451m
26 Sep 2019 @ 14442m
26 Sep 2019 @ 14423m
26 Sep 2019 @ 14394m
26 Sep 2019 @ 14357m
26 Sep 2019 @ 14289m
26 Sep 2019 @ 14199m
26 Sep 2019 @ 141010m
26 Sep 2019 @ 140011m
26 Sep 2019 @ 134910m
26 Sep 2019 @ 13398m
26 Sep 2019 @ 13318m
26 Sep 2019 @ 13238m
26 Sep 2019 @ 13158m
26 Sep 2019 @ 13075m
26 Sep 2019 @ 130231m
26 Sep 2019 @ 12311d 4h 29m
25 Sep 2019 @ 08021d 15h 18m
23 Sep 2019 @ 16442m
23 Sep 2019 @ 16423m
23 Sep 2019 @ 16391d 53m
22 Sep 2019 @ 15466h 7m
22 Sep 2019 @ 0939 ini14h 4m
21 Sep 2019 @ 19351m
21 Sep 2019 @ 19342m
21 Sep 2019 @ 19321m
21 Sep 2019 @ 19312m
21 Sep 2019 @ 19291m
21 Sep 2019 @ 19282m
21 Sep 2019 @ 19261m
21 Sep 2019 @ 19252m
21 Sep 2019 @ 19231m
21 Sep 2019 @ 19222m
21 Sep 2019 @ 19202m
21 Sep 2019 @ 19183m
21 Sep 2019 @ 19151m
21 Sep 2019 @ 19142m
21 Sep 2019 @ 19121m
21 Sep 2019 @ 19112m
21 Sep 2019 @ 19093m
21 Sep 2019 @ 19065m
21 Sep 2019 @ 19019m
21 Sep 2019 @ 18528m
21 Sep 2019 @ 18449m
21 Sep 2019 @ 18358m
21 Sep 2019 @ 18279m
21 Sep 2019 @ 18187m
21 Sep 2019 @ 18119m
21 Sep 2019 @ 18028m
21 Sep 2019 @ 17549m
21 Sep 2019 @ 17457m
21 Sep 2019 @ 17388m
21 Sep 2019 @ 17309m
21 Sep 2019 @ 17217m
21 Sep 2019 @ 17148m
21 Sep 2019 @ 17061d 21h 19m
19 Sep 2019 @ 19471d 1m
18 Sep 2019 @ 19462m
18 Sep 2019 @ 19443m
18 Sep 2019 @ 19412m
18 Sep 2019 @ 19392m
18 Sep 2019 @ 19371m
18 Sep 2019 @ 19363m
18 Sep 2019 @ 19333m
18 Sep 2019 @ 19302m
18 Sep 2019 @ 192810m
18 Sep 2019 @ 19187m
18 Sep 2019 @ 19116m
18 Sep 2019 @ 19058m
18 Sep 2019 @ 18572d 8h 19m
16 Sep 2019 @ 103820h 25m
15 Sep 2019 @ 14134m
15 Sep 2019 @ 14098m
15 Sep 2019 @ 14018m
15 Sep 2019 @ 135311m
15 Sep 2019 @ 134210m
15 Sep 2019 @ 133211m
15 Sep 2019 @ 132110m
15 Sep 2019 @ 13117m
15 Sep 2019 @ 130410m
15 Sep 2019 @ 125411m
15 Sep 2019 @ 124311m
15 Sep 2019 @ 123212m
15 Sep 2019 @ 122012m

Interval Statistics

Interval Count100
Min1m
Max6d 16h 33m
Mean6h 44m
Median7m
Initial-to-Initial
Interval Count2
Min5d 9h 55m
Max6d 16h 33m
Mean6d 1h 14m
Median6d 1h 14m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
13778 22 Sep 2019 @ 0915 22 Sep 2019 @ 0939 Tara steaming heavily & grumbling, no eruption during this time
13719 16 Sep 2019 @ 1235 --- Tara No eruption as of this time following the 1046 Super Frying Pan
13686 13 Sep 2019 @ 1839 13 Sep 2019 @ 1912 ThomasR There were Jets during the Fountain eruption, but I did not record their times.
13672 12 Sep 2019 @ 1915 --- Tara started steaming and grumbling, no water
13671 12 Sep 2019 @ 1850 --- Tara dry & quiet
13502 02 Sep 2019 @ 1236 02 Sep 2019 @ 1308 ThomasR Jet continued erupting during Fountain at 1236, with decreasing intervals further into the eruption. Didn’t note exact times.
13431 27 Aug 2019 @ 2303 --- Tara Jet began grumbling as soon as Fountain had finished, but I did not stay for the initial eruption.
13368 23 Aug 2019 @ 1656 23 Aug 2019 @ 1729 ThomasR Didn’t watch Jet closely during the Fountain eruption, but it continued with increased frequency.
13310 18 Aug 2019 @ 1405 --- Tara Jet quiet from 1224 eruption until at least this time
13303 17 Aug 2019 @ 1742 --- Tara Jet was totally quiet all through Fountain's eruption from 1709 to 1739 and had not made a sound as of 1742 after Fountain ended.
13022 04 Aug 2019 @ 0941 04 Aug 2019 @ 1247 Stephen_Gemar Did not keep a close watch on Jet during the trifecta, but it was active throughout the trifecta and the rest of Fountain’s duration.
13003 03 Aug 2019 @ 1824 03 Aug 2019 @ 1859 Brian Jet continued through the rest of the Fountain eruption.
12965 02 Aug 2019 @ 1358 02 Aug 2019 @ 1526 JSJ Jets during Fountain's long eruption. Jets continued after Fountain was done.
12946 01 Aug 2019 @ 2304 --- Tara One more grumble after initial minor.
12945 01 Aug 2019 @ 2130 01 Aug 2019 @ 2300 Tara Jet was completely quiet from my arrival until Fountain had ended. Immediately after Fountain quit, Jet began to grumble periodically, about every 90 seconds, building up to its initial eruption at 2301.
12838 28 Jul 2019 @ 1436 28 Jul 2019 @ 1517 nails No Jets
12816 26 Jul 2019 @ 1820 26 Jul 2019 @ 1908 nails No Jets observed until Fountain start.
12805 26 Jul 2019 @ 1113 26 Jul 2019 @ 1157 Brian No Jets in this window, SFP erupted at 1121, then FTN at 1133
12789 23 Jul 2019 @ 2250 24 Jul 2019 @ 0050 Tara Erupting at 7-8 min intervals prior to Fountain & Morning dual, shortened when Fountain started and continued through the end of Fountain (did not slow or stop for 2359 Super Frying Pan).
12017 28 Jun 2019 @ 1430 --- LynnS Jet had not erupted since 0913 when I left at 1430.
11929 23 Jun 2019 @ 0815 23 Jun 2019 @ 1013 LynnS Jet was not under observation during this time
11920 22 Jun 2019 @ 1508 --- LynnS Stopped recording Jet eruptions until 1533
11919 22 Jun 2019 @ 1422 22 Jun 2019 @ 1435 LynnS Jet started erupting with Fountain and Morning at 1422 but I did not start recording eruptions until 1435.
11918 22 Jun 2019 @ 1349 22 Jun 2019 @ 1422 LynnS Jet did not erupt during this time,
11907 21 Jun 2019 @ 1441 21 Jun 2019 @ 1518 LynnS Break in data collection
11886 19 Jun 2019 @ 1116 --- LynnS Only had one eruption after the end of Super Frying Pan. Had not yet erupted again as of 1116.
11885 19 Jun 2019 @ 0945 19 Jun 2019 @ 1015 LynnS Erupted at 3 to 1 minute intervals during Fountain’s eruption.
11871 18 Jun 2019 @ 1120 18 Jun 2019 @ 1153 LynnS Jet was not under observation during this time.
11870 18 Jun 2019 @ 1053 18 Jun 2019 @ 1120 LynnS Jet did not erupt during this timeframe.
11872 18 Jun 2019 @ 0948 18 Jun 2019 @ 1019 LynnS Jet did not erupt during this time.
11873 18 Jun 2019 @ 0557 18 Jun 2019 @ 0948 LynnS Jet was not under during this time.
11869 18 Jun 2019 @ 0548 18 Jun 2019 @ 0555 LynnS Jet started rumbling at 0548; had not stopped rumbling when I left at 0555; Last eruption was 0538
11845 16 Jun 2019 @ 1715 16 Jun 2019 @ 1905 LynnS Break in data collection
11840 16 Jun 2019 @ 1420 16 Jun 2019 @ 1620 LynnS Break in data collection
11839 16 Jun 2019 @ 0843 16 Jun 2019 @ 1314 LynnS Jet did not erupt during this time
11838 16 Jun 2019 @ 0730 16 Jun 2019 @ 0752 LynnS Break in data collection
11794 14 Jun 2019 @ 1230 14 Jun 2019 @ 1500 LynnS Jet did not erupt during this time. It also did not rumble.
11654 08 Jun 2019 @ 1155 08 Jun 2019 @ 1330 LynnS Jet did not erupt during this time.
11572 04 Jun 2019 @ 0943 04 Jun 2019 @ 1218 LynnS Jet rumbled constantly during this time frame but did not erupt.
11408 28 May 2019 @ 2243 --- Graham Departed the area and resisted the temptation to stay and log all remaining Jet times till midnight. GO JET.
11404 28 May 2019 @ 1833 --- Graham Last Jet in the series. Super Frying Pan erupted and shutoff Jet.
11403 28 May 2019 @ 1733 --- Graham Rumble
11402 28 May 2019 @ 1709 --- Graham Rumble
11401 28 May 2019 @ 1608 --- Graham Rumble
11396 28 May 2019 @ 1500 --- Graham Huffed and spat some water but d3idnt start.
10642 21 Oct 2018 @ 0810 21 Oct 2018 @ 0830 rbwhitaker No eruptions, despite Fountain and Morning erupting. First noises heard at 830. Maybe it's trying.
10575 06 Oct 2018 @ 1720 06 Oct 2018 @ 1751 William Did not erupt between 17:20 and 17:51.
10288 18 Sep 2018 @ 1045 18 Sep 2018 @ 1344 Brian Jet quiet from 1045-1343
10136 10 Sep 2018 @ 0859 10 Sep 2018 @ 1429 Brian Jet was quiet from 0859 thru 1031. First rumble heard at 1031, but no eruption until 1135. Don’t think we missed any until start of Fountain at 1327 and Morning 1328. Between 1327 and 1429, likely missed several Jets due to large distractions in the opposite direction. Left platform at 1429 with Jet ie.
6325 12 Sep 2017 @ 1708 12 Sep 2017 @ 1735 ThomasR Numerous eruptions during Fountain.
5777 04 Sep 2017 @ 1610 04 Sep 2017 @ 1640 ThomasR Numerous short eruptions during Fountain.
5666 02 Sep 2017 @ 2042 02 Sep 2017 @ 2052 RMichaels Numerous eruptions.
5504 29 Aug 2017 @ 1715 29 Aug 2017 @ 1743 ThomasR Numerous short eruptions during Fountain.
5503 29 Aug 2017 @ 1304 29 Aug 2017 @ 1333 ThomasR Numerous short eruptions during Fountain.
5389 25 Aug 2017 @ 0947 25 Aug 2017 @ 1035 Brian No Jet eruption after FTN end before I left platform at 1035
4454 09 Jul 2017 @ 1936 --- Tara Rumble, no eruption.
4297 11 Jun 2017 @ 1957 --- JSJ Jet rumbling.
4298 11 Jun 2017 @ 1937 --- JSJ Rumbling at 1937 to 1938.
4245 06 Jun 2017 @ 2000 06 Jun 2017 @ 2154 LynnS Jet did not erupt during this time.
4191 03 Jun 2017 @ 1117 03 Jun 2017 @ 1352 JSJ No Jet Geyser eruptions.
4190 03 Jun 2017 @ 1345 --- JSJ Rumbling.
4124 22 May 2017 @ 1349 22 May 2017 @ 1422 Tara No Jets during this time, 1348 Jet was last of series.
4106 20 May 2017 @ 1543 20 May 2017 @ 1630 Tara Steaming and grumbling.
3771 09 Oct 2016 @ 2027 --- WillBoekel jet active during fountain.
3705 23 Sep 2016 @ 1038 23 Sep 2016 @ 1112 ThomasR Jet continued during and after the Fountain eruption.
3706 22 Sep 2016 @ 1337 22 Sep 2016 @ 1407 ThomasR Jet continued during and after the Fountain eruption.
3685 18 Sep 2016 @ 1452 --- ThomasR Jet continued during the Fountain eruption. No observed Jets after Fountain (stayed for another 10m).
3671 15 Sep 2016 @ 1739 15 Sep 2016 @ 1809 ThomasR Jet continued during the Fountain eruption.
3414 02 Aug 2016 @ 1237 02 Aug 2016 @ 1715 JSJ No Jet Geyser eruptions at all from 1237 to 1715.
3245 07 Jul 2016 @ 1247 07 Jul 2016 @ 1641 JSJ No Jet Geyser eruptions at all from 1247 to 1641 - not before Fountain's eruption & not during Fountain's eruption.
3196 03 Jul 2016 @ 1946 03 Jul 2016 @ 1959 JSJ Not a closed interval between the 1946 and 1959 eruptions of Jet Geyser - I was watching & filming Old Cone Geyser erupting. Didn't notice any additional Jet eruption(s) between those times.
3028 09 Jun 2016 @ 1223 09 Jun 2016 @ 1746 JSJ All Jet eruptions noted this afternoon are closed intervals.
3027 09 Jun 2016 @ 1735 --- JSJ Jet spit at 1735.
2975 05 Jun 2016 @ 1809 05 Jun 2016 @ 1905 JSJ No more Jet Geyser eruptions from the end of Fountain's eruption to when I left.
2525 13 Aug 2015 @ 1701 13 Aug 2015 @ 1900 JSJ No Jet Geyser eruptions from 1701 to 1900.
2041 06 Aug 2015 @ 1356 06 Aug 2015 @ 1727 JSJ No Jet eruptions from 1355 to 1727.
2617 14 May 2015 @ 1149 14 May 2015 @ 1438 JSJ No Jet Geyser eruptions between 1149 and 1438.
1926 10 Aug 2014 @ 1920 --- LynnS Jet was active during Fountain's eruption.
838 07 Jul 2013 @ 0700 07 Jul 2013 @ 1040 Tara Jet was erupting every few minutes prior to about 0700, when Super Frying Pan erupted. After Super Frying Pan, Jet was not seen again until moments after Morning stopped erupting at 1040. During the rest of Fountain\'s duration it was erupting every few minutes.
799 07 May 2013 @ 1200 07 May 2013 @ 2359 WillBoekel for the evening Fountain Jet was mainly only erupting from the vertical vent that normally erupts the tallest.
766 26 Feb 2013 @ 0000 26 Feb 2013 @ 2359 Graham YTG was present for Fountain but included a comment: \"note the lack of Jet times, that\'s because it didn\'t erupt\"
726 22 Dec 2012 @ 1429 --- WillBoekel No Jets before 14:29 Fountain
214 04 Sep 2011 @ 0837 --- LynnS not active during 0837 eruption of Fountain
210 28 Aug 2011 @ 1742 --- LynnS not active during 1742 eruption of Fountain
1815 26 Aug 2011 @ 1748 26 Aug 2011 @ 1815 LynnS Jet was not active during the 1748 eruption of Fountain.
207 25 Aug 2011 @ 1740 --- LynnS active during 1740 Fountain eruption
202 07 Jun 2011 @ 1815 --- LynnS active at 1-3 minute intervals throughout Fountain's 1815 eruption
201 03 Jun 2011 @ 0515 --- LynnS active as usual during Fountain's 0515 eruption
191 21 May 2011 @ 0911 --- LynnS erupted every 1 to 3 minutes during Fountain's eruption at 0911ie
192 21 May 2011 @ 0911 --- LynnS erupted every 1 to 3 minutes during Fountain's eruption at 0911ie
12178 28 Apr 1993 @ 1502 28 Apr 1993 @ 1910 JarnoO none {in this timeframe}
5041 28 Feb 1992 @ 1640 28 Feb 1992 @ 1649 JarnoO 16:4x
7543 17 Apr 1976 @ 0000 17 Apr 1976 @ 2359 JSJ 17 April 1976 - Eruptions rare and very brief.
306 26 Aug 1973 @ 1002 --- BoekelUpload 10:02 suds/channel
EntrySourceLinkComment
11 Jun 2017 @ 1914 JSJ https://www.flickr.com/photos/jsjgeology/35242499242 Photo (1 of 3) of Jet Geyser's 7:14 to 7:15 PM eruption on 11 June 2017.
11 Jun 2017 @ 1908 JSJ https://www.flickr.com/photos/jsjgeology/35408922985 Photo (1 of 2) of Jet Geyser's 7:08 PM eruption on 11 June 2017.
03 Jun 2017 @ 1541 JSJ https://www.flickr.com/photos/jsjgeology/35242408252 Photo of Jet Geyser's 3:41 PM eruption on 3 June 2017.
03 Jun 2017 @ 1539 JSJ https://www.flickr.com/photos/jsjgeology/34599328523 Photo of Jet Geyser's 3:39 PM eruption on 3 June 2017.
05 Jun 2016 @ 1802 JSJ https://www.flickr.com/photos/jsjgeology/29006935972 Photo (1 of 2) of Jet Geyser's 6:02 PM eruption on 5 June 2016.
03 Jul 2016 @ 1851 JSJ https://www.flickr.com/photos/jsjgeology/28336841651 Photo (1 of 7) of Jet Geyser's 6:51 to 6:52 PM eruption on 3 July 2016.
09 Jun 2016 @ 1736 JSJ https://www.flickr.com/photos/jsjgeology/28493133703 Thermal image of Jet Geyser's 5:36 PM eruption on 9 June 2016.
Baseline does not exist.


All data is shown in US/Mountain timezone unless specified otherwise.

GeyserTimes.org is not affiliated with the National Park Service, but it is "for the benefit and enjoyment of the people".

If you have any questions or comments please contact: webmaster@geysertimes.org

Support open geyser data: Patreon Page

© Copyright 2011-2019

Facebook Page Telegram Channel Get it on Google Play Download on the App Store

Google Play and the Google Play logo are trademarks of Google LLC.

Apple and the Apple logo are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc., registered in the U.S. and other countries.