Last Known Eruption
31d 14h 46m ago

Latest Eruptions

Eruption DurationInterval
20 Oct 2024 @ 1657 ie5d 1h 14m
15 Oct 2024 @ 1543 ie5d 15h 43m
10 Oct 2024 @ 0000 A4d 13h 16m
05 Oct 2024 @ 1044 ie>4h 24m 3d 20h 37m
01 Oct 2024 @ 1407 ie>4h 8m 4d 14h 7m
27 Sep 2024 @ 0000 A5d 0m
22 Sep 2024 @ 0000 A5d 0m
17 Sep 2024 @ 0000 A5d 3h 45m
11 Sep 2024 @ 2015 ie4d 20h 52m
06 Sep 2024 @ 2323 ie5d 5h 54m
01 Sep 2024 @ 1729 ie>4h 45m 5d 8h 53m
27 Aug 2024 @ 083610d 6h 36m
17 Aug 2024 @ 0200 ie4d 19h 9m
12 Aug 2024 @ 0651 ie3d 6h 51m
09 Aug 2024 @ 0000 A2d 1h 2m
06 Aug 2024 @ 2258 ie6d 4h 21m
31 Jul 2024 @ 1837 ie5d 18h 37m
26 Jul 2024 @ 0000 A5d 12h 36m
20 Jul 2024 @ 1124 ie6d 5h 24m
14 Jul 2024 @ 0600 ie3d 6h 0m
11 Jul 2024 @ 0000 A3d 13h 18m
07 Jul 2024 @ 1042 ie1d 13h 24m
05 Jul 2024 @ 21181d 8h 21m
04 Jul 2024 @ 12571d 7h 4m
03 Jul 2024 @ 0553 ie1d 14h 16m
01 Jul 2024 @ 15371d 6h 0m
30 Jun 2024 @ 0937 ie1d 9h 37m
29 Jun 2024 @ 0000 A1d 7h 50m
27 Jun 2024 @ 16102h 41m 1d 4h 26m
26 Jun 2024 @ 1144 ie1d 5h 54m
25 Jun 2024 @ 0550 ie1d 9h 0m
23 Jun 2024 @ 20501d 8h 20m
22 Jun 2024 @ 1230 ie1d 6h 40m
21 Jun 2024 @ 0550 ie23h 10m
20 Jun 2024 @ 06401d 6h 40m
19 Jun 2024 @ 0000 A2d 17h 45m
16 Jun 2024 @ 0615 ie1d 6h 15m
15 Jun 2024 @ 0000 A1d 14h 35m
13 Jun 2024 @ 09252h 56m 2d 16m
11 Jun 2024 @ 09092h 53m 2d 6h 4m
09 Jun 2024 @ 0305 ie1d 18h 50m
07 Jun 2024 @ 08152h 42m 1d 11h 8m
05 Jun 2024 @ 21071d 21h 7m
04 Jun 2024 @ 0000 A2d 3h 30m
01 Jun 2024 @ 2030 ie3d 13h 20m
29 May 2024 @ 0710 ie3d 20h 56m
25 May 2024 @ 1014 ie95d 17h 56m
19 Feb 2024 @ 1518 ie2h 7m
19 Feb 2024 @ 1311 ie10d 3h 14m
09 Feb 2024 @ 0957 ie28d 2h 10m
12 Jan 2024 @ 0747 ie6d 19h 14m
05 Jan 2024 @ 1233 ie29d 21h 45m
06 Dec 2023 @ 1448 ie36d 34m
31 Oct 2023 @ 1514 ie1d 23h 54m
29 Oct 2023 @ 1520 ns16d 15h 20m
13 Oct 2023 @ 0000 A2d 13h 19m
10 Oct 2023 @ 1041 ie2d 22h 59m
07 Oct 2023 @ 1142 ie10d 4h 17m
27 Sep 2023 @ 0725 ie6d 7h 25m
21 Sep 2023 @ 0000 A5d 0m
16 Sep 2023 @ 0000 A4d 16h 38m
11 Sep 2023 @ 0722 ie>6d 23h 7m
04 Sep 2023 @ 0815 ie>4h235d 14h 4m
29 Aug 2023 @ 1811 ie4h 56m
29 Aug 2023 @ 1315 ie6d 6h 40m
23 Aug 2023 @ 0635 ie7d 15h 10m
15 Aug 2023 @ 1525 ie6d 3h 34m
09 Aug 2023 @ 1151 ie7d 5h 55m
02 Aug 2023 @ 0556 ie1d 15h 5m
31 Jul 2023 @ 1451 ns1d 7h 39m
30 Jul 2023 @ 07122h 25m 1d 7h 12m
29 Jul 2023 @ 0000 A1d 11h 21m
27 Jul 2023 @ 12392h 10m 1d 12h 39m
26 Jul 2023 @ 0000 A1d 15h 17m
24 Jul 2023 @ 0843 ie1d 12h 37m
22 Jul 2023 @ 2006 ie1d 14h 6m
21 Jul 2023 @ 0600 ie1d 19h 35m
19 Jul 2023 @ 1025 ie1d 10h 25m
18 Jul 2023 @ 0000 A1d 8h 21m
16 Jul 2023 @ 1539 ie1d 15h 39m
15 Jul 2023 @ 0000 A2d 4h 22m
12 Jul 2023 @ 1938 ie19h 38m
12 Jul 2023 @ 0000 A15h 11m
11 Jul 2023 @ 0849 ie1d 8h 49m
10 Jul 2023 @ 0000 A1d 4h 46m
08 Jul 2023 @ 1914 ie1d 19h 14m
07 Jul 2023 @ 0000 A1d 6h 38m
05 Jul 2023 @ 1722~3d 1h 53m
02 Jul 2023 @ 1529 ie>2h 13m 1d 9h 59m
01 Jul 2023 @ 0530 ie2d 5h 30m
29 Jun 2023 @ 0000 A1d 10h 6m
27 Jun 2023 @ 1354<2h 56m 1d 8h 12m
26 Jun 2023 @ 0542 ie1d 11h 17m
24 Jun 2023 @ 1825 ie1d 12h 11m
23 Jun 2023 @ 06141d 48m
22 Jun 2023 @ 0526 ie1d 21h 32m
20 Jun 2023 @ 07542h 50m 2d 17h 9m
17 Jun 2023 @ 14451d 14h 45m
16 Jun 2023 @ 0000 A1d 10h 5m
14 Jun 2023 @ 13551d 13h 55m

Interval Statistics

Interval Count100
Min2h 7m
Max95d 17h 56m
Mean4d 22h 58m
Median2d 5m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
37417 05 Oct 2024 @ 1623 --- Graham Forced steam.
37415 05 Oct 2024 @ 1508 --- Graham Ending now.
37320 01 Oct 2024 @ 1815 --- Ben VL Quit at this time
36918 11 Sep 2024 @ 1900 --- JarnoO (wc) Probably ie based on constant, dense steam from roughly its spot since 1748. Steam also suggests a V&T restart prior to that (lasting until a few minutes before 1748), with Turban late 1656 and Vent 1704. Did not see steam from West Triplet prior to the inferred Rift steam.
36684 01 Sep 2024 @ 2221 --- Ben VL Eruption ended within the last couple mins. Duration likely a bit over 5h.
36570 27 Aug 2024 @ 1436 --- music_geek Rift off
36569 27 Aug 2024 @ 1326 --- Kitt B still in eruption at 1326
36378 12 Aug 2024 @ 0840 --- JimS Quiet, ended near end of Grand
36307 06 Aug 2024 @ 2354 06 Aug 2024 @ 2359 BrandonC Rift off
36204 01 Aug 2024 @ 0936 --- mhreed Gently steaming >:(
35998 20 Jul 2024 @ 1455 --- mhreed Heavy steam after D5 Turban.
35764 07 Jul 2024 @ 1315 --- JimS Ended
35696 03 Jul 2024 @ 0814 --- JimS Quiet. Ended within last few minutes.
35573 26 Jun 2024 @ 1320 --- JimS Quiet
35543 25 Jun 2024 @ 0619 --- JimS Ended at 0619
35397 21 Jun 2024 @ 0726 --- JimS Ended at 0726
35369 20 Jun 2024 @ 0933 --- Forestbewithyou Rift is off now. Not sure when it ended
35304 18 Jun 2024 @ 1153 --- K.Cooper Intermittent steam from rift - likely went overnight
35171 13 Jun 2024 @ 1221 --- SantaFe108 End of eruption.
34747 29 May 2024 @ 0906 --- Stephen_Gemar Still ie at 09:06.
33776 12 Jan 2024 @ 1246 --- Graham Steaming
33778 12 Jan 2024 @ 1140 --- Graham End time.
29527 05 Nov 2023 @ 1449 --- Delta4Heavy85 (Wc) Steamy with reflective runoff channels, likely started erupting
28941 21 Oct 2023 @ 1036 --- User34 Steaming
28870 19 Oct 2023 @ 0925 --- OFVEC no evidence of an eruption in the overnight
28667 07 Oct 2023 @ 1206 --- Mikemcc Rift is off
28001 04 Sep 2023 @ 1458 --- Graham Huffing steam.
28000 04 Sep 2023 @ 1238 --- Graham End time.
27628 15 Aug 2023 @ 2046 --- Suzanne eruption ended
27477 09 Aug 2023 @ 1626 --- Suzanne eruption ended
27382 02 Aug 2023 @ 0714 --- JimS Ended
27358 31 Jul 2023 @ 1739 --- Brian ended at 1739, ~D=2h48m
27140 21 Jul 2023 @ 0744 --- JimS Ended
27123 19 Jul 2023 @ 1245 --- JimS Ended
26850 05 Jul 2023 @ 0552 --- JimS No eruption overnight
26793 02 Jul 2023 @ 1742 --- Graham Quit now.
26760 01 Jul 2023 @ 0632 --- JimS Eruption ended
26680 26 Jun 2023 @ 0801 --- Graham Quit during Grand.
26584 22 Jun 2023 @ 0602 --- JimS Ended
26493 20 Jun 2023 @ 1044 --- Graham Quit now.
26304 14 Jun 2023 @ 1633 --- Graham Quit between 1555 and now.
26242 11 Jun 2023 @ 1408 --- JimS Ended
26099 06 Jun 2023 @ 2111 --- SantaFe108 End of eruption.
26041 05 Jun 2023 @ 0637 --- JimS Appears to have erupted overnight
25995 04 Jun 2023 @ 0553 --- JimS Did not erupt overnight
25954 02 Jun 2023 @ 0616 --- JimS Clearly erupted overnight
25712 22 May 2023 @ 2050 --- Graham Now steaming heavily.
25710 22 May 2023 @ 2010 --- SantaFe108 End of eruption.
24859 09 Jan 2023 @ 0000 --- Graham Runoff channels are still snow-covered throughout the day, so no eruption. The Bulgers Hole eruptions were not preceded by Rift.
24803 27 Dec 2022 @ 1336 --- mhvogel Runoff channel is wet with no snow.
24363 14 Oct 2022 @ 1100 --- Tara erupted sometime recently, channel wet
23996 22 Sep 2022 @ 1103 --- Graham Steamy.
23995 22 Sep 2022 @ 0940 --- Graham End time.
23864 16 Sep 2022 @ 1428 --- Graham Steam phase.
23861 16 Sep 2022 @ 1333 --- Graham Steam phase.
23857 16 Sep 2022 @ 1234 --- Graham End time
23731 11 Sep 2022 @ 0820 --- Graham Heavy steam d=5m
23580 05 Sep 2022 @ 1215 --- Graham Ending 1215.
23440 27 Aug 2022 @ 1828 --- User34 Ending
23347 22 Aug 2022 @ 1207 --- JimS Ended
23211 16 Aug 2022 @ 0710 --- JimS Ended during Grand eruption.
22960 01 Aug 2022 @ 0633 --- JimS Ended
22916 28 Jul 2022 @ 1102 --- JimS Ended 1102
22874 27 Jul 2022 @ 0812 --- JimS Quiet
22873 27 Jul 2022 @ 0748 --- JimS erupting
22826 24 Jul 2022 @ 0822 --- JimS Ended at 0822.
22778 22 Jul 2022 @ 1438 --- hkoenig {End}
22638 17 Jul 2022 @ 0816 --- JimS Ended 0816.
22635 17 Jul 2022 @ 0618 --- JimS Still ie
22591 15 Jul 2022 @ 1235 --- JimS Ended at 1235.
22588 15 Jul 2022 @ 1111 --- hkoenig {Still Erupting}
22426 09 Jul 2022 @ 1159 --- hkoenig {End} from MBSchwarz
22373 07 Jul 2022 @ 0535 --- JimS Runoff channel still wet.
22258 01 Jul 2022 @ 1136 --- K.Cooper ended at 1135
22257 01 Jul 2022 @ 0905 --- JimS Still ie at this time
22193 29 Jun 2022 @ 0641 --- JimS Apparently erupted sometime overnight
21882 10 Jun 2022 @ 0741 --- underarockphoto Suspicious steam visible from webcam. May be worth checking out. Still there at 0758.
21843 08 Jun 2022 @ 1843 08 Jun 2022 @ 1853 SantaFe108 Wafting steam at this time. Steam output increased around 1848. Steam decreased significantly by 1853.
21841 08 Jun 2022 @ 1745 08 Jun 2022 @ 1753 SantaFe108 Began steaming with forced steam in one vent at around 1745. Barely steaming at all at 1750, and no steam by 1753.
21837 08 Jun 2022 @ 1637 --- SantaFe108 Rift became hot and started steaming during Bulger's major eruption at 1637
21836 08 Jun 2022 @ 1558 --- SantaFe108 Became very hot and steamy before Bulger erupted, calmed down during the eruption.
21834 08 Jun 2022 @ 1505 --- SantaFe108 Shut off. Duration over >5h 35m
21832 08 Jun 2022 @ 1337 --- Kitt B Still in eruption from the 0930 ie
21504 25 May 2022 @ 1952 25 May 2022 @ 1956 Graham Started steaming again. Weaker than first one.
21502 25 May 2022 @ 1857 25 May 2022 @ 1902 Graham Steaming away after being completely quiet after the last eruption. Then went quiet.
21501 25 May 2022 @ 1807 --- Graham Quit at this time. Did it quit and restart or go 5h plus?
20671 11 Jan 2022 @ 1554 --- Graham No eruption recent. Runoff channel completely snowed in.
19677 21 Sep 2021 @ 1358 --- Graham 1358 end time.
19648 18 Sep 2021 @ 1743 --- Graham 1743 end.
19488 11 Sep 2021 @ 1852 --- Graham Quit 1852, last water.
18778 01 Aug 2021 @ 1237 --- Kyle end of eruption
18697 28 Jul 2021 @ 0525 --- Kyle runoff channel damp
17692 12 Jun 2021 @ 0841 --- JimS Still ie at 0841
16856 03 Mar 2021 @ 0850 --- mhvogel Post eruptive. Snow in runoff is all melted.
15369 04 Aug 2020 @ 1412 --- Janet Jones Still in eruption. Off before 1619 - probably well before.
14078 21 Jan 2020 @ 0730 --- Graham No eruption overnight.
14024 10 Dec 2019 @ 1724 --- ltgangi possible rift eruption, unfortunately it turned dark steam was drifting left and appeared to be behind spasmodic and in front of grand. beginning of eruption was fairly visible so may be able to tell on Gosa video
13855 03 Oct 2019 @ 1348 --- Kitt B The 1000 and 1348 are separate eruptions for Rift.
13751 19 Sep 2019 @ 1352 --- Brian Rift off at 1352
13734 18 Sep 2019 @ 0830 --- Suzanne still in eruption.
EntrySourceLinkComment
16 Aug 2015 @ 1320 JSJ https://www.youtube.com/watch?v=WQOp8gCsW4s#t=0m47s Clips 4-16 of this video compilation (time stamp 0:47 to the end) show Rift Geyser's 1:20 to 3:23 PM eruption on 16 August 2015.
06 Jul 2015 @ 1424 JSJ https://www.youtube.com/watch?v=WQOp8gCsW4s Clips 1-3 of this video compilation (= beginning to time stamp 0:46) show Rift Geyser's 2:24 PM-onward eruption on 6 July 2015.
23 Dec 2019 @ 0750 ltgangi https://youtu.be/hjKosTU27Ak possible rift eruption
11 Aug 2016 @ 1515 JSJ https://www.flickr.com/photos/jsjgeology/29870239943 Thermal photo (1 of 3) of Rift Geyser's mid-afternoon eruption on 11 August 2016.
11 Aug 2016 @ 1515 JSJ https://www.flickr.com/photos/jsjgeology/30385776012 Photo (1 of 5) of Rift Geyser's mid-afternoon eruption on 11 August 2016.
16 Aug 2015 @ 1320 JSJ https://www.flickr.com/photos/jsjgeology/21754568361 Photo (1 of 4) of Rift Geyser's 1:20 to 3:23 PM eruption on 16 August 2015.
06 Jul 2015 @ 1424 JSJ https://www.flickr.com/photos/jsjgeology/19364570833 Photo (1 of 6) of Rift Geyser's mid-afternoon eruption on 6 July 2015.
16 Aug 2014 @ 1141 JSJ https://www.flickr.com/photos/jsjgeology/15332482189 Photo (1 of 2) of Rift Geyser's 11:41 AM to 12:22 PM eruption on 16 August 2014.
08 Jul 2014 @ 1913 JSJ https://www.flickr.com/photos/jsjgeology/15097741689 Photo (1 of 2) of Rift Geyser's early evening eruption on 8 July 2014.
06 Jun 2014 @ 1144 JSJ https://www.flickr.com/photos/jsjgeology/14926633540 Photo (1 of 4) of Rift Geyser's 11:44 to 11:49 AM eruption on 6 June 2014.
31 May 2013 @ 1135 JSJ https://www.flickr.com/photos/jsjgeology/13848055283 Photo (1 of many, plus video clips) of Rift Geyser's late morning eruption on 31 May 2013.
01 Jul 2009 @ 1112 Micah Kipple https://www.flickr.com/photos/fback2008/16196213887 Flickr
Baseline does not exist.