Last Known Eruption
1d 16h 42m ago

Latest Eruptions

Eruption DurationInterval
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
29 Apr 2025 @ 0649 ie wc11h 35m
28 Apr 2025 @ 1914<1m 2h 3m
28 Apr 2025 @ 1711 ie wc1d 3h 10m
27 Apr 2025 @ 140117h 57m
26 Apr 2025 @ 20041h 12m
26 Apr 2025 @ 1852 ns49m
26 Apr 2025 @ 1803 ie36m
26 Apr 2025 @ 1727 ie wc2h 50m
26 Apr 2025 @ 1437 ie wc2h 37m
26 Apr 2025 @ 120023h 31m
25 Apr 2025 @ 1229 ie wc21m
25 Apr 2025 @ 1208 ie wc57m
25 Apr 2025 @ 1111 ie wc23m
25 Apr 2025 @ 1048 wc1h 9m
25 Apr 2025 @ 0939 wc1d 1h 4m
24 Apr 2025 @ 0835 ie wc14h 44m
23 Apr 2025 @ 17511m 11m
23 Apr 2025 @ 17401h 2m
23 Apr 2025 @ 1638 ie wc1h 17m
23 Apr 2025 @ 1521 ie wc1d 5h 2m
22 Apr 2025 @ 1019 ie1h 9m
22 Apr 2025 @ 0910 ie wc32m
22 Apr 2025 @ 0838 ie wc16m
22 Apr 2025 @ 0822 ie wc32m
22 Apr 2025 @ 0750 wc1h 10m
22 Apr 2025 @ 0640 ie wc12h 51m
21 Apr 2025 @ 1749 wc maj36m 9h 59m
21 Apr 2025 @ 0750 wc56m
21 Apr 2025 @ 0654 ie wc20h 25m
20 Apr 2025 @ 1029 ie wc17h 25m
19 Apr 2025 @ 1704 ie10h 42m
19 Apr 2025 @ 0622 wc12h 33m
18 Apr 2025 @ 1749 wc20m
18 Apr 2025 @ 1729 ie2h 22m
18 Apr 2025 @ 15071m 11m
18 Apr 2025 @ 14562m 7m
18 Apr 2025 @ 14491m 6m
18 Apr 2025 @ 14431m 9m
18 Apr 2025 @ 14342m 12m
18 Apr 2025 @ 14223m 7m
18 Apr 2025 @ 14151m 10m
18 Apr 2025 @ 14052m 15m
18 Apr 2025 @ 1350 ieshort12m
18 Apr 2025 @ 13383m 26m
18 Apr 2025 @ 13123m 20m
18 Apr 2025 @ 12523m 14m
18 Apr 2025 @ 12382m 17m
18 Apr 2025 @ 12213m 20h 4m
17 Apr 2025 @ 1617 ie wc1d 6h 17m
16 Apr 2025 @ 1000 ie wc11m
16 Apr 2025 @ 0949 ie wc3h 5m
16 Apr 2025 @ 0644 ie wc30m
16 Apr 2025 @ 0614 ie wc13h 4m
15 Apr 2025 @ 1710 ie wc3h 5m
15 Apr 2025 @ 1405 ie wc3h 15m
15 Apr 2025 @ 1050 wc1h 20m
15 Apr 2025 @ 0930 wc maj2h 39m
15 Apr 2025 @ 0651 ie wc11h 50m
14 Apr 2025 @ 1901 ie wc2h 3m
14 Apr 2025 @ 1658 ie wc1h 34m
14 Apr 2025 @ 1524 ie wc6h 59m
14 Apr 2025 @ 0825 wc17h 5m
13 Apr 2025 @ 1520 maj3h 10m
13 Apr 2025 @ 1210 ie wc1h 20m
13 Apr 2025 @ 1050 ie wc11m
13 Apr 2025 @ 1039 ie wc1d 23h 32m
11 Apr 2025 @ 1107 wc3h 13m
11 Apr 2025 @ 0754 wc13h 10m
10 Apr 2025 @ 1844 wc maj2h 24m
10 Apr 2025 @ 1620 wc maj3h 55m
10 Apr 2025 @ 1225 ie wc maj2h 7m < d < 2h 32m3h 20m
10 Apr 2025 @ 0905 ie wc maj2h 11m
10 Apr 2025 @ 0654 ie wc maj11h 30m
09 Apr 2025 @ 1924 ns wc35m
09 Apr 2025 @ 1849 wc14m
09 Apr 2025 @ 1835 wc10m
09 Apr 2025 @ 1825 wc25m
09 Apr 2025 @ 1800 ie wc1h 2m
09 Apr 2025 @ 1658 wc1d 45m
08 Apr 2025 @ 1613 ie wc maj2d 4m
06 Apr 2025 @ 1609 wc2d 2h 44m
04 Apr 2025 @ 1325 wc14m
04 Apr 2025 @ 1311 ns wc1h 16m
04 Apr 2025 @ 1155 ie wc37m
04 Apr 2025 @ 1118 ns wc36m
04 Apr 2025 @ 1042 ie wc1h 29m
04 Apr 2025 @ 0913 ns wc15h 14m
03 Apr 2025 @ 1759 ns wc maj1h 47m
03 Apr 2025 @ 1612 wc1d 4h 54m
02 Apr 2025 @ 1118 wc3h 46m
02 Apr 2025 @ 0732 ie wc22h 36m
01 Apr 2025 @ 0856 ie wc14h 38m
31 Mar 2025 @ 1818 ie wc8h 32m

Interval Statistics

Interval Count100
Min6m
Max2d 2h 44m
Mean7h 0m
Median1h 24m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
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.