Last Known Eruption
22h 26m ago

Latest Eruptions

Eruption DurationInterval
27 Mar 2025 @ 0811 ie wc12h 45m
26 Mar 2025 @ 1926 ie wc maj2d 11h 5m
24 Mar 2025 @ 0821 ns wc1d 16h 5m
22 Mar 2025 @ 1616 ns wc29m
22 Mar 2025 @ 1547 wc6m
22 Mar 2025 @ 1541 ie wc3d 21h 6m
18 Mar 2025 @ 1835 ie wc7d 6h 30m
11 Mar 2025 @ 1205 ie wc19h 50m
10 Mar 2025 @ 1615 ie wc1d 4h 16m
09 Mar 2025 @ 1159 wc22h 15m
08 Mar 2025 @ 1244 wc1d 1h 53m
07 Mar 2025 @ 1051 ns wc3d 20h 19m
03 Mar 2025 @ 1432 wc2m 32s 13m
03 Mar 2025 @ 1419 wc ini2m 49s 3h 24m
03 Mar 2025 @ 1055 ie wc maj2h 3m < d < 1h 30m1d 17h 11m
01 Mar 2025 @ 1744 ie wc2h 46m
01 Mar 2025 @ 1458 ns wc41m
01 Mar 2025 @ 1417 ie wc1d 3h 4m
28 Feb 2025 @ 1113 ns wc12m
28 Feb 2025 @ 1101 ie wc7m
28 Feb 2025 @ 1054 ie wc49m
28 Feb 2025 @ 1005 ns wc1h 10m
28 Feb 2025 @ 0855 ie wc1d 1h 34m
27 Feb 2025 @ 0721 ie wc2d 20h 23m
24 Feb 2025 @ 1058 wc ini2m 25s 1h 19m
24 Feb 2025 @ 0939 wc maj21m 3h 3m
24 Feb 2025 @ 0636 wc maj1h 48m 3d 22h 38m
20 Feb 2025 @ 0758 ie wc30m
20 Feb 2025 @ 0728 ie wc22h 49m
19 Feb 2025 @ 0839 ie wc maj4d 57m
15 Feb 2025 @ 0742 ie wc3d 18h 42m
11 Feb 2025 @ 1300 wc2d 21h 42m
08 Feb 2025 @ 1518 wc44m
08 Feb 2025 @ 1434 ie wc16m
08 Feb 2025 @ 1418 ns wc1h 46m
08 Feb 2025 @ 1232 ie wc2d 4h 3m
06 Feb 2025 @ 0829 ie wc13m
06 Feb 2025 @ 0816 wc38m
06 Feb 2025 @ 0738 ie wc36m
06 Feb 2025 @ 0702 ie wc1d 18h 45m
04 Feb 2025 @ 1217 wc3m 40s 22m
04 Feb 2025 @ 1155 wc ini3m 4s 20h 53m
03 Feb 2025 @ 1502 wc28m
03 Feb 2025 @ 1434 wc12m
03 Feb 2025 @ 1422 ie wc2d 4m
01 Feb 2025 @ 1418 wc1h 2m
01 Feb 2025 @ 1316 ns wc5h 56m
01 Feb 2025 @ 0720 ie wc18h 21m
31 Jan 2025 @ 1259 ns wc3d 20h 45m
27 Jan 2025 @ 1614 ie wc2h 18m
27 Jan 2025 @ 1356 wc2h 14m
27 Jan 2025 @ 1142 ie wc1d 21h 30m
25 Jan 2025 @ 1412 wc17m
25 Jan 2025 @ 1355 ie wc1d 1h 31m
24 Jan 2025 @ 1224 wc55m
24 Jan 2025 @ 1129 wc12m
24 Jan 2025 @ 1117 wc30m
24 Jan 2025 @ 1047 wc10m
24 Jan 2025 @ 1037 wc11m
24 Jan 2025 @ 1026 ns wc1h 9m
24 Jan 2025 @ 0917 ie wc16h 32m
23 Jan 2025 @ 1645 ie wc23m
23 Jan 2025 @ 1622 ie wc3h 25m
23 Jan 2025 @ 1257 wc3m 13s 2d 19h 17m
20 Jan 2025 @ 1740 ie wc1h 26m
20 Jan 2025 @ 1614 ie wc2d 1h 3m
18 Jan 2025 @ 1511 wc36m
18 Jan 2025 @ 1435 wc7m
18 Jan 2025 @ 1428 ie wc1h 4m
18 Jan 2025 @ 1324 ns wc1d 20h 54m
16 Jan 2025 @ 1630 wc3h 36m
16 Jan 2025 @ 1254 ie wc2d 4h 41m
14 Jan 2025 @ 0813 wc22h 51m
13 Jan 2025 @ 0922 ns wc1h 13m
13 Jan 2025 @ 0809 ie wc17h 20m
12 Jan 2025 @ 1449 ie wc maj1d 57m
11 Jan 2025 @ 1352 ie wc53m
11 Jan 2025 @ 1259 ns wc3d 1h 47m
08 Jan 2025 @ 1112 ie wc maj2h 39m < d < 2h 59m21h 9m
07 Jan 2025 @ 1403 wc2m 5s 14h 3m
07 Jan 2025 @ 0000 A wc maj1d 16h 1m
05 Jan 2025 @ 0759 ie16h 26m
04 Jan 2025 @ 1533 ie22h 53m
03 Jan 2025 @ 1640 wc2m 38s 23m
03 Jan 2025 @ 1617 wc3m 42s 2h 49m
03 Jan 2025 @ 1328 ns wc4h 42m
03 Jan 2025 @ 0846 wc46s 10m
03 Jan 2025 @ 0836 wc2m 10s 14m
03 Jan 2025 @ 0822 wc2m 50s 11m
03 Jan 2025 @ 0811 wc1m 56s 22h 12m
02 Jan 2025 @ 0959 wc ini2d 20h 34m
30 Dec 2024 @ 1325 wc maj1d 1h 26m
29 Dec 2024 @ 1159 ie wc21h 15m
28 Dec 2024 @ 1444 ns wc5h 33m
28 Dec 2024 @ 0911 ie wc4d 18h 2m
23 Dec 2024 @ 1509 wc2m 19s 7m
23 Dec 2024 @ 1502 wc1m 25s 11m
23 Dec 2024 @ 1451 wc2m 54s 20m
23 Dec 2024 @ 1431 wc2m 55s 21m
23 Dec 2024 @ 1410 ie wc29m

Interval Statistics

Interval Count100
Min6m
Max7d 6h 30m
Mean22h 29m
Median3h 30m
Initial-to-Initial
Interval Count4
Min7d 3h 21m
Max33d 1h 56m
Mean17d 12h 9m
Median14d 21h 40m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
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 David http://www.flickr.com/photos/ujelang/10690476153/ small geyser behind Sawmill.
Baseline does not exist.