Last Known Eruption
1d 42m ago

Latest Eruptions

Eruption DurationInterval
15 Jun 2025 @ 0758 ie15d 23h 6m
30 May 2025 @ 0852 ns1d 11h 47m
28 May 2025 @ 2105 ie1d 12h 18m
27 May 2025 @ 0847 ie1d 21m
26 May 2025 @ 0826 ie29m
26 May 2025 @ 0757 maj2d 13h 21m
23 May 2025 @ 1836 ie10h 59m
23 May 2025 @ 0737 ie1d 12h 13m
21 May 2025 @ 1924 ie11h 24m
21 May 2025 @ 0800 min10m
21 May 2025 @ 0750 min19m
21 May 2025 @ 0731 min6m 31m
21 May 2025 @ 0700 ie maj1d 49m
20 May 2025 @ 0611 maj12h 46m
19 May 2025 @ 1725 maj1d 49m
18 May 2025 @ 1636 maj8h 25m
18 May 2025 @ 0811 min27m
18 May 2025 @ 0744 min17m
18 May 2025 @ 0727 min16m
18 May 2025 @ 0711 min16m
18 May 2025 @ 0655 min11m
18 May 2025 @ 0644 min9m
18 May 2025 @ 0635 min10m
18 May 2025 @ 0625 min10m
18 May 2025 @ 0615 min10m
18 May 2025 @ 0605 min10m
18 May 2025 @ 0555 min2m 19m
18 May 2025 @ 0536 min6m 51m
18 May 2025 @ 0445 maj11h 26m
17 May 2025 @ 1719 maj8h 53m
17 May 2025 @ 0826 min16m
17 May 2025 @ 0810 min16m
17 May 2025 @ 0754 min16m
17 May 2025 @ 0738 min11m
17 May 2025 @ 0727 min9m
17 May 2025 @ 0718 min8m
17 May 2025 @ 0710 min9m
17 May 2025 @ 0701 min10m
17 May 2025 @ 0651 min10m
17 May 2025 @ 0641 min2m 19m
17 May 2025 @ 0622 min8m 55m
17 May 2025 @ 0527 maj36m 11h 51m
16 May 2025 @ 1736 maj10h 53m
16 May 2025 @ 0643 min2m 17m
16 May 2025 @ 0626 min7m 51m
16 May 2025 @ 0535 maj34m 21h 7m
15 May 2025 @ 0828 min23m
15 May 2025 @ 0805 min16m
15 May 2025 @ 0749 min4d 19m
11 May 2025 @ 0730 ie11h 44m
10 May 2025 @ 1946 ie3d 2h 57m
07 May 2025 @ 1649 ie min11d 23h 49m
25 Apr 2025 @ 1700 ie2d 42m
23 Apr 2025 @ 1618 ie1d 1h 21m
22 Apr 2025 @ 1457 ie1d 17m
21 Apr 2025 @ 1440 ie3d 24m
18 Apr 2025 @ 1416 ie maj49d 2h 2m
28 Feb 2025 @ 1114 ie maj2d 15h 56m
25 Feb 2025 @ 1918 ie maj12d 1h 23m
13 Feb 2025 @ 1755 ie10h 35m
13 Feb 2025 @ 0720 ie40d 19h 6m
03 Jan 2025 @ 1214 ie7d 20h 34m
26 Dec 2024 @ 1540 ie min22h 42m
25 Dec 2024 @ 1658 ns maj65d 7h 18m
21 Oct 2024 @ 1040 ie20d 1h 12m
01 Oct 2024 @ 0928 ie3d 1h 34m
28 Sep 2024 @ 0754 ie8d 21h 50m
19 Sep 2024 @ 1004 ie2d 1h 8m
17 Sep 2024 @ 0856 ie1d 13h 45m
15 Sep 2024 @ 1911 ie2d 1h 55m
13 Sep 2024 @ 1716 ie maj2d 39m
11 Sep 2024 @ 1637 ie2h 26m
11 Sep 2024 @ 1411 ie maj1d 0m
10 Sep 2024 @ 1411 ie maj3d 23h 33m
06 Sep 2024 @ 1438 min21m
06 Sep 2024 @ 1417 min26m
06 Sep 2024 @ 1351 min18m
06 Sep 2024 @ 1333 min13m
06 Sep 2024 @ 1320 min11m
06 Sep 2024 @ 1309 min9m
06 Sep 2024 @ 1300 min8m
06 Sep 2024 @ 1252 min9m
06 Sep 2024 @ 1243 min8m
06 Sep 2024 @ 1235 min11m
06 Sep 2024 @ 1224 min19m
06 Sep 2024 @ 1205 min5m 55m
06 Sep 2024 @ 1110 maj34m 2d 1h 54m
04 Sep 2024 @ 0916 ie1d 2h 53m
03 Sep 2024 @ 0623 maj12h 12m
02 Sep 2024 @ 1811 maj12h 54m
02 Sep 2024 @ 0517 maj12h 13m
01 Sep 2024 @ 1704 maj11h 18m
01 Sep 2024 @ 0546 maj12h 35m
31 Aug 2024 @ 1711 maj11h 43m
31 Aug 2024 @ 0528 maj12h 11m
30 Aug 2024 @ 1717 maj12h 15m
30 Aug 2024 @ 0502 maj12h 25m
29 Aug 2024 @ 1637 maj12h 20m
29 Aug 2024 @ 0417 maj12h 23m
28 Aug 2024 @ 1554 maj12h 4m

Interval Statistics

Interval Count100
Min8m
Max65d 7h 18m
Mean2d 21h 52m
Median11h 21m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
39104 16 May 2025 @ 0534 --- LynnS Till is in overflow
36913 11 Sep 2024 @ 1536 --- Kyle post major. runoff all the down way down to to the road. crater steaming. probably in the post major series of minors
36489 20 Aug 2024 @ 0728 --- LynnS Start of overflow
36097 25 Jul 2024 @ 0745 --- Polly In overflow
35943 17 Jul 2024 @ 0610 --- LynnS Already in overflow
35607 29 Jun 2024 @ 0524 --- LynnS O. In overflow
35266 11 Jun 2024 @ 1115 --- Siegmund Steaming gently. Morning eruption not happened yet
35261 10 Jun 2024 @ 2224 --- Siegmund In overflow, no major yet.
35046 09 Jun 2024 @ 1106 09 Jun 2024 @ 1124 LynnS Break in data collection
34991 08 Jun 2024 @ 0615 --- LynnS Till is in overflow to the road
34975 07 Jun 2024 @ 0505 --- LynnS Appears to be in overflow
34718 27 May 2024 @ 0618 --- User34 Steam phase
34483 08 May 2024 @ 1610 --- LynnS Is in overflow
34436 04 May 2024 @ 1429 --- Janet Jones Till was firmly off.
34429 04 May 2024 @ 1103 --- Janet Jones Till was off, dry, and with a tiny bit of steam rising.
27449 06 Aug 2023 @ 1610 --- LynnS Overflow near start
27204 24 Jul 2023 @ 1111 --- LynnS In iverflow
26550 14 Jun 2023 @ 0858 --- Siegmund Huffing steam post-major.
25838 28 May 2023 @ 0707 --- TSBryan runoffs slightly steaming as if eruption recently ended
22182 28 Jun 2022 @ 0601 --- LynnS Recently completed a major eruption.
19118 27 Aug 2021 @ 0633 27 Aug 2021 @ 0655 LynnS I left Till during this time, so at least two minor eruptions were not observed.
18828 04 Aug 2021 @ 0600 --- LynnS Already in overflow
18818 03 Aug 2021 @ 0956 --- Barbara Lasseter Steaming heavily from both vents as seen on driveby
18814 03 Aug 2021 @ 0606 --- LynnS Started overflowing
18804 02 Aug 2021 @ 0545 --- LynnS Start of overflow
17917 19 Jun 2021 @ 0620 --- LynnS Already in overflow
17754 13 Jun 2021 @ 0530 --- LynnS In overflow
17223 28 May 2021 @ 0939 --- Tara looked full and ready to erupt
17173 25 May 2021 @ 1030 25 May 2021 @ 1050 LynnS Break in data collection; missed minors #4 and #5 in the series
17011 08 May 2021 @ 0621 --- steve When driving past it appeared to be post eruption.
13577 05 Sep 2019 @ 0630 --- c.barwin recently ended... still steaming and water in runoff channel
12449 11 Jul 2019 @ 2114 --- Micah Kipple Ovf just starting.
12369 05 Jul 2019 @ 1807 --- minissa Vents off; runoff channels still visibly damp
12002 28 Jun 2019 @ 1145 --- Micah Kipple Ovf in progress.
11960 25 Jun 2019 @ 1454 --- Janet Jones Off - no steam
11274 20 May 2019 @ 1415 --- Micah Kipple Overflow moving down slope from cone.
11267 19 May 2019 @ 0819 --- Tara Steamy, in overflow
10797 26 Dec 2018 @ 0819 --- Janet Jones Till off but there are well defined runoff channels that had a good layer of frost inthem when we drove by.
9055 07 Jul 2018 @ 0626 --- bhoppe Runoff channel wet. Appeared to be post eruptive.
4268 08 Jun 2017 @ 1245 08 Jun 2017 @ 1500 LynnS Till apparently had a very short interval recently. A "norma" double interval would have resulted in a major eruption between about 1300 and 1400. Till was under observation from 1246 to 1500 and checked again at 1725. There was no eruptive activity during the observation period and no evidence that it had erupted when I checked it again at 1725.
4220 03 Jun 2017 @ 2028 --- Tara Full and overflowing, looked ready to erupt.
4054 05 May 2017 @ 1037 --- Janet Jones Off - no steam.
4038 04 May 2017 @ 0738 --- Tara strong overflow, looked imminent
4013 23 Apr 2017 @ 1312 --- Janet Jones Till was off, but sending up a slender column of steam.
4009 23 Apr 2017 @ 0853 --- Janet Jones Till was off when I drove by.
4008 22 Apr 2017 @ 1613 --- Janet Jones Till was off as I drove by.
4004 21 Apr 2017 @ 0953 --- Janet Jones Till was off as I drove by.
1937 28 Aug 2014 @ 1016 --- LynnS Till recently finished a major eruption.
1935 22 Aug 2014 @ 0820 --- LynnS Major finished before 0820
15292 14 Sep 1996 @ 1832 --- JarnoO just post ie
14360 20 Aug 1995 @ 2020 --- JarnoO no overflow by 2020
12701 30 Jul 1994 @ 0745 --- JarnoO post-eruptive
12696 18 Jul 1994 @ 1349 --- JarnoO post-erupted, overflow wet
12650 24 May 1994 @ 0005 24 May 1994 @ 0055 JarnoO 00:x5
EntrySourceLinkComment
18 May 2015 @ 1446 JSJ https://www.youtube.com/watch?v=6NjdEbb0C9Y#t=2m29s See clips # 8-16 (time stamp - 2:29 onward) of this video compilation.
04 Jun 2014 @ 0955 JSJ https://www.youtube.com/watch?v=6NjdEbb0C9Y See clips # 1-7 of this video compilation (= beginning to time stamp 2:29).
Baseline does not exist.