Last Known Eruption
7d 5h 55m ago

Latest Eruptions

Eruption DurationInterval
24 Feb 2024 @ 1642 ie wc2h 30m
24 Feb 2024 @ 1412 ns wc42m
24 Feb 2024 @ 1330 ns wc3d 21h 58m
20 Feb 2024 @ 1532 ie wc13d 6h 18m
07 Feb 2024 @ 0914 ie8d 16h 48m
29 Jan 2024 @ 1626 ie wc1d 5h 14m
28 Jan 2024 @ 1112 ie wc maj3d 21h 25m
24 Jan 2024 @ 1347 ie wc3h 45m
24 Jan 2024 @ 1002 wc min4m
24 Jan 2024 @ 0958 wc9m
24 Jan 2024 @ 0949 wc58m
24 Jan 2024 @ 0851 ie wc6d 20h 33m
17 Jan 2024 @ 12183h 9m
17 Jan 2024 @ 090916m
17 Jan 2024 @ 0853 ie4d 20h 53m
12 Jan 2024 @ 1200 ie wc1d 21h 16m
10 Jan 2024 @ 1444 ie maj1h 47m
10 Jan 2024 @ 1257 min19m
10 Jan 2024 @ 1238 min55m
10 Jan 2024 @ 1143 min54m
10 Jan 2024 @ 1049 maj3m 2h 50m
10 Jan 2024 @ 0759 ie maj23m
10 Jan 2024 @ 0736 ie maj1d 2m
09 Jan 2024 @ 0734 ie maj2d 14h 30m
06 Jan 2024 @ 1704 min13m
06 Jan 2024 @ 1651 min10m
06 Jan 2024 @ 1641 min12m
06 Jan 2024 @ 1629 min16m
06 Jan 2024 @ 1613 min15m
06 Jan 2024 @ 1558 min4h 19m
06 Jan 2024 @ 1139 maj32m
06 Jan 2024 @ 1107 maj4m 18m
06 Jan 2024 @ 1049 min19h 20m
05 Jan 2024 @ 1529 wc2h 9m
05 Jan 2024 @ 1320 wc32m
05 Jan 2024 @ 1248 ie wc1h 17m
05 Jan 2024 @ 1131 ie wc43m
05 Jan 2024 @ 1048 ie wc57m
05 Jan 2024 @ 0951 ns wc1d 19h 28m
03 Jan 2024 @ 1423 ie wc1h 7m
03 Jan 2024 @ 1316 wc3d 23h 14m
30 Dec 2023 @ 1402 ie wc1d 3h 15m
29 Dec 2023 @ 1047 ie wc1d 19h 41m
27 Dec 2023 @ 1506 wc2h 42m
27 Dec 2023 @ 1224 ie wc2d 19h 39m
24 Dec 2023 @ 1645 ie wc55m
24 Dec 2023 @ 1550 ie wc2d 4h 32m
22 Dec 2023 @ 1118 ie wc2d 19h 35m
19 Dec 2023 @ 1543 ie1h 56m
19 Dec 2023 @ 1347 wc2h 32m
19 Dec 2023 @ 1115 ie wc54m
19 Dec 2023 @ 1021 ie wc1h 41m
19 Dec 2023 @ 0840 ie wc4d 16h 47m
14 Dec 2023 @ 1553 wc5m 15m
14 Dec 2023 @ 1538 ie wc8d 20m
06 Dec 2023 @ 1518 maj8m
06 Dec 2023 @ 151010m
06 Dec 2023 @ 150011m
06 Dec 2023 @ 1449 ns1h 16m
06 Dec 2023 @ 1333 wc1d 3h 34m
05 Dec 2023 @ 0959 ie wc3d 20h 53m
01 Dec 2023 @ 1306 ie wc1h 38m
01 Dec 2023 @ 1128 wc12d 21h 3m
18 Nov 2023 @ 1425 ie wc1h 23m
18 Nov 2023 @ 1302 wc1h 39m
18 Nov 2023 @ 1123 wc1d 10m
17 Nov 2023 @ 1113 ie wc50m
17 Nov 2023 @ 1023 ie wc1h 52m
17 Nov 2023 @ 0831 ie wc19m
17 Nov 2023 @ 0812 ie wc17h 33m
16 Nov 2023 @ 1439 ie wc1h 13m
16 Nov 2023 @ 1326 ns wc21h 17m
15 Nov 2023 @ 1609 wc10m
15 Nov 2023 @ 1559 wc13m
15 Nov 2023 @ 1546 wc7h 34m
15 Nov 2023 @ 0812 ie wc1d 20h 26m
13 Nov 2023 @ 1146 wc3d 3h 52m
10 Nov 2023 @ 0754 ie wc19h 20m
09 Nov 2023 @ 1234 ie wc1h 18m
09 Nov 2023 @ 1116 wc1d 19h 37m
07 Nov 2023 @ 1539 ie wc3d 2h 53m
04 Nov 2023 @ 1346 ie wc5h 42m
04 Nov 2023 @ 0804 ie wc1d 16h 35m
02 Nov 2023 @ 1529 ie wc23m
02 Nov 2023 @ 1506 wc1h 43m
02 Nov 2023 @ 1323 ns wc10m
02 Nov 2023 @ 1313 ns wc4h 55m
02 Nov 2023 @ 0818 ie wc1d 15h 50m
31 Oct 2023 @ 1628 ie6h 45m
31 Oct 2023 @ 0943 ie23h 45m
30 Oct 2023 @ 0958 ie wc18h 29m
29 Oct 2023 @ 1529 ns maj29m
29 Oct 2023 @ 1500 ie maj>3m 19m
29 Oct 2023 @ 1441 maj2m 3m
29 Oct 2023 @ 1438 min<1m 2h 40m
29 Oct 2023 @ 1158 maj4m 1d 22h 38m
27 Oct 2023 @ 1320 ie wc1h 31m
27 Oct 2023 @ 1149 wc4d 3h 29m
23 Oct 2023 @ 0820 ie wc2d 16h 9m
20 Oct 2023 @ 1611 min1d 11m

Interval Statistics

Interval Count100
Min3m
Max13d 6h 18m
Mean1d 6h 44m
Median2h 31m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
26613 23 Jun 2023 @ 0951 --- Forestbewithyou Failed eruption. Filled splashed a bit then drained after 20sec
24816 01 Jan 2023 @ 1345 --- mhreed Low pool bursting. Fun noises that would be easier to hear if Slurp used its inside voice.
21307 16 May 2022 @ 1032 --- Brando gurgling deep within
21151 02 May 2022 @ 0948 --- aferrara Weak splashing, rarely higher than vent rim
20628 23 Dec 2021 @ 1303 --- mhvogel Old Tardy stopped a few seconds after adding eruption.
18397 12 Jul 2021 @ 1914 12 Jul 2021 @ 1917 JarnoO (wc) Steamy 1914:17 - 1914:35. 1916:53 - 1917:16 erupted water to very low height.
17889 18 Jun 2021 @ 1743 --- Craigmon99 Someone has thrown a chunk of boardwalk in Old Tardy C. Rangers said they will deal with it tomorrow as there are too many bison.
17531 07 Jun 2021 @ 0740 07 Jun 2021 @ 1640 Graham No eruption seen during this period. I was watching from Tilts Baby so may have missed one.
13998 02 Nov 2019 @ 1657 --- steve Euupting deep in the vent with occasional droplets making it to the surface.
13116 08 Aug 2019 @ 1317 08 Aug 2019 @ 1703 JSJ Closed intervals.
13113 08 Aug 2019 @ 1317 08 Aug 2019 @ 1329 JSJ Inclinometer reading: highest water about 20 vertical feet (but highest spouts were angled).
13102 07 Aug 2019 @ 1252 07 Aug 2019 @ 1614 JSJ Closed intervals (1252 eruption to 1438A eruption to 1614 eruption).
11580 04 Jun 2019 @ 1141 04 Jun 2019 @ 1808 JSJ All posted Old Tardy eruptions are closed intervals.
5779 04 Sep 2017 @ 1628 --- Janet Jones Heard a gurgle at depth. Crystal Spring had overflowed enough to flow into it and might have been part of that gurgle.
3202 22 Jun 2016 @ 1503 --- David Water seen draining in to crater, and water in drainage from 14:59 eruption. See photo: https://www.flickr.com/photos/ujelang/27979999542/in/photolist-JCuP4d-HRiX6u-hhGHcZ
2148 14 Aug 2015 @ 1215 --- JSJ Old Tardy Geyser & Old Tardy C Geyser were both spitting at 1215.
1591 15 May 2015 @ 1051 15 May 2015 @ 1652 JSJ No eruptions from 1051 to 1652.
749 23 Jan 2013 @ 0000 23 Jan 2013 @ 2359 Graham Note that GeyserTimes has associated multiple eruption times incorectly, they were all different eruptons.
12711 06 Aug 1994 @ 0000 06 Aug 1994 @ 2359 JarnoO a string of times and durations entered; too faint to read in Xerox copy
440 17 Jul 1975 @ 1930 --- BoekelUpload between 1930-2015
EntrySourceLinkComment
06 Aug 2020 @ 1735 JSJ https://www.youtube.com/watch?v=XaQC2lQxZNg#t=3m28s Clips 7-9 of this video compilation (= time stamp 3:28 to the end) show Old Tardy Geyser's 5:35 to 5:42 PM eruption on 6 August 2020.
04 Aug 2020 @ 1709 JSJ https://www.youtube.com/watch?v=XaQC2lQxZNg Clips 1-6 of this video compilation (= beginning to time stamp 3:27) show Old Tardy Geyser's 5:09 to 5:20 PM eruption on 4 August 2020.
04 Aug 2020 @ 1709 JSJ https://www.flickr.com/photos/jsjgeology/50200898197 Photo (out of 8) of Old Tardy Geyser's 5:09 to 5:20 PM eruption on 4 August 2020.
04 Jun 2019 @ 1436 JSJ https://www.youtube.com/watch?v=GUelIDygZKQ#t=1m27s Clips 6-12 of this video compilation (= time stamp 1:27 to the end) show Old Tardy Geyser's 2:36 to 2:45 PM eruption on 4 June 2019.
04 Jun 2019 @ 1331 JSJ https://www.youtube.com/watch?v=GUelIDygZKQ Clips 1-5 of this video compilation (= beginning to time stamp 1:26) show Old Tardy Geyser's 1:31 to 1:37 PM eruption on 4 June 2019.
01 Jun 2013 @ 1155 JSJ https://www.flickr.com/photos/jsjgeology/13787235753 Photo (1 of 7) of Old Tardy Geyser's 11:55 to 11:56 AM eruption on 1 June 2013.
02 Jun 2013 @ 1111 JSJ https://www.flickr.com/photos/jsjgeology/13787183985 Video clip of Old Tardy Geyser's 11:11 to 11:14 AM on 2 June 2013.
02 Jun 2013 @ 1111 JSJ https://www.flickr.com/photos/jsjgeology/13787186185 Photo (1 of many, plus video clips) of Old Tardy Geyser's 11:11 to 11:14 AM eruption on 2 June 2013.
09 Jul 2011 @ 1759 kcmule http://tinyurl.com/3o4j3vt
26 Jun 2011 @ 2012 kcmule http://tinyurl.com/63xxg53
Baseline does not exist.