Last Known Eruption
15h 51m ago

Latest Eruptions

Eruption DurationInterval
14 Jun 2025 @ 1826 wc3h 18m
14 Jun 2025 @ 1508 ns wc1d 2h 56m
13 Jun 2025 @ 1212 ie wc1h 21m
13 Jun 2025 @ 1051 wc14h 1m
12 Jun 2025 @ 2050 ie wc3h 30m
12 Jun 2025 @ 1720 ie wc1d 3h 12m
11 Jun 2025 @ 14082m 35s 5h 52m
11 Jun 2025 @ 0816 ie wc2h 43m
11 Jun 2025 @ 0533 wc16h 28m
10 Jun 2025 @ 1305 wc4h 36m
10 Jun 2025 @ 0829 ie wc14h 34m
09 Jun 2025 @ 1755 ie wc1h 41m
09 Jun 2025 @ 1614 ie wc7h 16m
09 Jun 2025 @ 0858 ie54m
09 Jun 2025 @ 0804 ns wc9m
09 Jun 2025 @ 0755 ns wc1d 1h 41m
08 Jun 2025 @ 0614 ie wc40m
08 Jun 2025 @ 0534 wc10h 17m
07 Jun 2025 @ 1917 ie wc5h 41m
07 Jun 2025 @ 1336 ie wc7h 59m
07 Jun 2025 @ 0537 wc15h 56m
06 Jun 2025 @ 1341 wc1h 28m
06 Jun 2025 @ 1213 ie wc37m
06 Jun 2025 @ 1136 wc1d 21h 9m
04 Jun 2025 @ 1427 ie wc7h 6m
04 Jun 2025 @ 0721 ie wc2h 26m
04 Jun 2025 @ 04552d 13h 14m
01 Jun 2025 @ 15412m 1h 8m
01 Jun 2025 @ 14334h 41m
01 Jun 2025 @ 09522h 39m
01 Jun 2025 @ 071315h 30m
31 May 2025 @ 1543 wc10m
31 May 2025 @ 1533 ie wc35m
31 May 2025 @ 1458 ie wc37m
31 May 2025 @ 1421 wc1d 3h 42m
30 May 2025 @ 1039 ns wc1h 37m
30 May 2025 @ 0902 ie wc41m
30 May 2025 @ 0821 wc10m
30 May 2025 @ 0811 ie wc11m
30 May 2025 @ 0800 wc13m
30 May 2025 @ 0747 wc21m
30 May 2025 @ 0726 wc20h 33m
29 May 2025 @ 1053 ns wc5h 15m
29 May 2025 @ 05382m 8m
29 May 2025 @ 05302m 21h 42m
28 May 2025 @ 0748 ie wc22h 16m
27 May 2025 @ 0932 ie2h 17m
27 May 2025 @ 07153m 18m
27 May 2025 @ 06572m 9h 59m
26 May 2025 @ 2058 ie wc1h 10m
26 May 2025 @ 1948 ie wc54m
26 May 2025 @ 1854 ie wc51m
26 May 2025 @ 1803 ie wc6h 47m
26 May 2025 @ 11161m 6m
26 May 2025 @ 11102m 2h 17m
26 May 2025 @ 0853 ie wc1h 56m
26 May 2025 @ 0657 ie wc9h 53m
25 May 2025 @ 21043h 43m
25 May 2025 @ 1721 ie1d 1h 13m
24 May 2025 @ 16082m 30s 2h 49m
24 May 2025 @ 1319 ie wc2d 5h 55m
22 May 2025 @ 0724 ie11h 24m
21 May 2025 @ 2000 ie4h 25m
21 May 2025 @ 1535 ie maj1d 7h 36m
20 May 2025 @ 0759 wc14m
20 May 2025 @ 0745 ie wc7d 14h 44m
12 May 2025 @ 1701 ie wc10m
12 May 2025 @ 1651 wc9h 6m
12 May 2025 @ 0745 ns wc13h 45m
11 May 2025 @ 1800 ie2h 27m
11 May 2025 @ 1533 ie9h 40m
11 May 2025 @ 0553 ie wc12h 18m
10 May 2025 @ 1735 ie wc3h 30m
10 May 2025 @ 1405 ns wc58m
10 May 2025 @ 1307 wc5h 10m
10 May 2025 @ 0757 ie wc20h 35m
09 May 2025 @ 1122 ns wc15m
09 May 2025 @ 1107 ns wc2d 22h 24m
06 May 2025 @ 1243 ie wc1h 28m
06 May 2025 @ 1115 wc4h 43m
06 May 2025 @ 0632 wc maj15h 47m
05 May 2025 @ 1445 ie maj7m
05 May 2025 @ 1438 wc maj1d 21h 35m
03 May 2025 @ 17033h 51m
03 May 2025 @ 1312 ie wc40m
03 May 2025 @ 1232 ie wc2h 44m
03 May 2025 @ 0948 wc2h 32m
03 May 2025 @ 0716 wc18h 13m
02 May 2025 @ 1303 wc1h 11m
02 May 2025 @ 1152 ie wc59m
02 May 2025 @ 1053 ns wc52m
02 May 2025 @ 1001 ns wc1d 29m
01 May 2025 @ 0932 ie1d 19h 36m
29 Apr 2025 @ 1356 ie wc maj4h 17m
29 Apr 2025 @ 0939 wc11m
29 Apr 2025 @ 0928 wc41m
29 Apr 2025 @ 0847 ie wc21m
29 Apr 2025 @ 0826 ie wc41m
29 Apr 2025 @ 0745 ie wc35m
29 Apr 2025 @ 0710 ie wc21m

Interval Statistics

Interval Count100
Min6m
Max7d 14h 44m
Mean11h 9m
Median3h 24m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
39712 07 Jun 2025 @ 0538 --- Joe   quiet
38476 18 Apr 2025 @ 1504 --- Graham Tardy is having splashed lasting less than 1m now.
38452 15 Apr 2025 @ 1526 --- Joe   quiet
38448 14 Apr 2025 @ 1342 --- Michelle quiet again
38447 14 Apr 2025 @ 1004 --- Kat Tardy off
38445 12 Apr 2025 @ 1330 --- Michelle Tardy has quit
38436 11 Apr 2025 @ 0955 --- Delta4Heavy85 Quit, ~2h 30m duration
38172 08 Jan 2025 @ 1341 --- Graham quit now
38131 02 Jan 2025 @ 0921 --- Delta4Heavy85 18s of Preplay Splashes
37934 11 Nov 2024 @ 1620 11 Nov 2024 @ 1623 Delta4Heavy85 Multiple preplay's from tardy, none longer than 30s
37332 02 Oct 2024 @ 1446 --- Delta4Heavy85 46s of non-continuous preplay
37041 18 Sep 2024 @ 1002 18 Sep 2024 @ 1006 SteveO Sputtering and splashing from down low.
36899 11 Sep 2024 @ 1353 11 Sep 2024 @ 1406 Delta4Heavy85 (Wc) In splash mode, no eruptions longer than 30s
36820 07 Sep 2024 @ 0841 --- Graham Quit now.
36779 05 Sep 2024 @ 1706 --- Graham Quit 1706.
36510 22 Aug 2024 @ 1628 22 Aug 2024 @ 1634 Delta4Heavy85 (Wc) Many preplay splashes but nothing over a minute in duration. Sawmill quit at 1630
36503 21 Aug 2024 @ 1616 21 Aug 2024 @ 1627 Delta4Heavy85 (Wc) Tardy in splash mode with no full eruptions, splashes every 20-40s
35506 24 Jun 2024 @ 0739 --- Joe   quit now
35116 10 Jun 2024 @ 2013 --- Graham In overflow, not ie.
34286 21 Apr 2024 @ 0925 --- SantaFe108 Filled up and splashed weakly for a few seconds. Splashed again 0933.
23871 16 Sep 2022 @ 1920 --- annelies8 ~2 seconds of splashing every 15-20 seconds. Not sure what this means. Sawmill off, no splashing
23853 16 Sep 2022 @ 1038 --- Graham On and off a lot as Sawmill is having a long eruption.
23578 05 Sep 2022 @ 1115 --- Graham Lots of short duration splashes now that Sawmill has been on over 3h.
21137 30 Apr 2022 @ 1535 --- User34 Gurgling loudly with droplets being thrown into view
20351 14 Nov 2021 @ 1240 --- mhreed Having brief low pool eruptions. Group is heading into drain.
19769 28 Sep 2021 @ 0700 28 Sep 2021 @ 1008 SteveO Frequent short eruptions. End frequent eruptions with a forceful 4 minute steam driven eruption.
19167 30 Aug 2021 @ 1500 --- Graham Splashed up.
19081 26 Aug 2021 @ 1214 --- Graham Another eruption. Merged with prior one.
19005 22 Aug 2021 @ 0750 --- Graham Additional eruption 0750 after Sawmill quit. then drained and was quiet.
18434 15 Jul 2021 @ 1133 --- Micah Kipple At this point. Tardy is erupting frequently with brief short eruptions from a empty or near empty crater about every 3-6 minutes. No more individual eruptions recorded.
18146 27 Jun 2021 @ 1730 --- CrisG drained during Sawmill eruption. It had 4-5 single splash eruptions between Sawmill eruptions.
18177 27 Jun 2021 @ 1730 --- CrisG drained during Sawmill eruption. had 4-5 single splash eruptions between Sawmill eruptions.
18053 22 Jun 2021 @ 2320 22 Jun 2021 @ 2359 Ben VL Stopped doing majors/intermediates as much this time. These are a copy of my notes. Will probably make some of it into eruptions tomorrow. During this time, short eruptions were a few seconds, medium ones were 10s-30s, and long ones were about a minute. 2323, 25, 26, 27, 28, 29, 30 short. 2331, 02, 04, medium. 2335, 07 long. 2340ns, did not know length. - Gap in observation - 2346 long (~1.5m this time.) I think more occurred but I had my attention elsewhere.
18025 22 Jun 2021 @ 1900 --- Graham Tardy has killed all the bacteria around the vent and catch basins.
17996 22 Jun 2021 @ 0718 --- K.Cooper Continues to have minutely minors
17984 21 Jun 2021 @ 1944 21 Jun 2021 @ 2006 ldgordon Frequent minors until spasmodic finish.
17982 21 Jun 2021 @ 1850 21 Jun 2021 @ 1907 ldgordon Minors occurred every 1 or 2 minutes, gradually becoming more intense
17974 21 Jun 2021 @ 1553 --- K.Cooper No water in sight
17154 20 May 2021 @ 1856 --- Skookum Tardy noted in heavy overflow and splashing weakly every few minutes. This is following the unusual drain of the complex observed hours earlier.
4069 07 May 2017 @ 1338 --- mhreed Not in overflow.
4051 05 May 2017 @ 2121 --- sfavor Short bursts about 30s apart.
3928 26 Jan 2017 @ 1437 --- Graham Not ie
3918 23 Jan 2017 @ 1123 --- Graham Quit as I walked up
2803 30 Apr 2016 @ 0930 --- udo quit 0930
2769 21 Apr 2016 @ 0930 --- WillBoekel logger deployed for research permit #06094
1969 23 Jul 2015 @ 2327 --- Micah Kipple At this time everything but tardy has drained. Penta is gurgling violently, thumping hole is shaking the boardwalk, spasmodic is quiet, and oval is down several inches.
1489 06 Jan 2014 @ 0000 06 Jan 2014 @ 2359 Micah Kipple Was erupting throughout most of the day. DM webcam capture. 
16627 19 Apr 1998 @ 0000 19 Apr 1998 @ 2359 JarnoO active
7058 25 Oct 1992 @ 1420 --- JarnoO 1420 end
EntrySourceLinkComment
04 Jun 2014 @ 1147 JSJ https://www.flickr.com/photos/jsjgeology/15112835155 Photo (1 of 4) of Tardy Geyser's 11:47 to 11:49 AM eruption on 4 June 2014.
04 Jun 2014 @ 1147 JSJ https://www.flickr.com/photos/jsjgeology/14926312218 Photo (1 of 9) of Tardy Geyser's 11:52 to 11:54 AM eruption on 4 June 2014.
15 May 2015 @ 1246 JSJ https://www.flickr.com/photos/jsjgeology/19250586472 Short video clip of Tardy Geyser eruption from 12:46 to 12:49 PM on 15 May 2015.
07 Aug 2015 @ 1732 JSJ https://www.flickr.com/photos/jsjgeology/21937118631 Photo (1 of 10) of Tardy Geyser's 5:32 to 5:36 PM eruption on 7 August 2015.
07 Aug 2015 @ 1751 JSJ https://www.flickr.com/photos/jsjgeology/21937221381 Photo (1 of 7) of Tardy Geyser's 5:51 to 5:54 PM eruption on 7 August 2015.
30 Sep 2013 @ 1349 ghost63 http://www.flickr.com/photos/ujelang/10690476153/ small geyser behind Sawmill.
Baseline does not exist.