Last Known Eruption
1d 23h 19m ago

Latest Eruptions

Eruption DurationInterval
25 Mar 2023 @ 1838 ie wc4h 23m
25 Mar 2023 @ 1415 wc1d 33m
24 Mar 2023 @ 1342 ie wc5d 2h 53m
19 Mar 2023 @ 1049 ie wc45m
19 Mar 2023 @ 1004 ie wc15h 24m
18 Mar 2023 @ 1840 ie wc6d 7h 47m
12 Mar 2023 @ 1053 ie wc19h 56m
11 Mar 2023 @ 1357 wc13d 21h 36m
25 Feb 2023 @ 1621 ie wc8d 23h 23m
16 Feb 2023 @ 1658 wc1h 11m
16 Feb 2023 @ 1547 ie wc2d 21h 46m
13 Feb 2023 @ 1801 ie wc2h 34m
13 Feb 2023 @ 1527 ie wc41m
13 Feb 2023 @ 1446 ie wc1h 29m
13 Feb 2023 @ 1317 ie wc3d 3h 7m
10 Feb 2023 @ 1010 ie wc32d 17h 46m
08 Jan 2023 @ 1624 ie3d 6h 39m
05 Jan 2023 @ 094519m
05 Jan 2023 @ 0926 ie wc4d 16h 18m
31 Dec 2022 @ 1708 ie wc1h 55m
31 Dec 2022 @ 1513 ns wc10m
31 Dec 2022 @ 1503 wc22m
31 Dec 2022 @ 1441 ie wc3d 23h 46m
27 Dec 2022 @ 1455 ns5d 23h 21m
21 Dec 2022 @ 1534 wc22d 23h 48m
28 Nov 2022 @ 1546 wc2d 32m
26 Nov 2022 @ 1514 ie wc24d 23h 38m
01 Nov 2022 @ 1636 ie6h 53m
01 Nov 2022 @ 0943 wc1h 35m
01 Nov 2022 @ 0808 ie wc14h 4m
31 Oct 2022 @ 1804 ie wc2d 1h 25m
29 Oct 2022 @ 1639 ie wc1h 32m
29 Oct 2022 @ 1507 ie22d 1h 23m
07 Oct 2022 @ 1344 ie wc12m
07 Oct 2022 @ 13321d 22h 37m
05 Oct 2022 @ 14552d 7h 0m
03 Oct 2022 @ 0755 ie wc2d 14h 41m
30 Sep 2022 @ 17145h 29m
30 Sep 2022 @ 1144:521d 17h 20m
28 Sep 2022 @ 1824 ie wc2h 26m
28 Sep 2022 @ 15581d 5h 22m
27 Sep 2022 @ 1036 ie1d 19h 34m
25 Sep 2022 @ 1502 ie2h 50m
25 Sep 2022 @ 12121h 30m
25 Sep 2022 @ 1042 ie1h 17m
25 Sep 2022 @ 0925 ie27m
25 Sep 2022 @ 08582d 13h 27m
22 Sep 2022 @ 1931 ie10m
22 Sep 2022 @ 1921~1m 1d 23h 32m
20 Sep 2022 @ 1949 ie17m
20 Sep 2022 @ 1932 ie1h 2m
20 Sep 2022 @ 1830 ie55m
20 Sep 2022 @ 17352m 10m
20 Sep 2022 @ 1725 ns18m
20 Sep 2022 @ 1707 ie44m
20 Sep 2022 @ 16233m 11m
20 Sep 2022 @ 161210m
20 Sep 2022 @ 160252m
20 Sep 2022 @ 151015m
20 Sep 2022 @ 1455:00 ns8m
20 Sep 2022 @ 144715m
20 Sep 2022 @ 143230m
20 Sep 2022 @ 140212m
20 Sep 2022 @ 1350 ns9m
20 Sep 2022 @ 134120m
20 Sep 2022 @ 132133m
20 Sep 2022 @ 12481d 18h 40m
18 Sep 2022 @ 1808 ns1d 8h 57m
17 Sep 2022 @ 0911 ie2d 21h 36m
14 Sep 2022 @ 113522m
14 Sep 2022 @ 111311m
14 Sep 2022 @ 110219m
14 Sep 2022 @ 104329m
14 Sep 2022 @ 10143d 21h 23m
10 Sep 2022 @ 12514m 26m
10 Sep 2022 @ 12253m 7m
10 Sep 2022 @ 12181h 6m
10 Sep 2022 @ 1112 ie2h 25m
10 Sep 2022 @ 084734m
10 Sep 2022 @ 081318m
10 Sep 2022 @ 07551m 21m
10 Sep 2022 @ 07341m 29m
10 Sep 2022 @ 07053m 31m
10 Sep 2022 @ 06341m 15h 38m
09 Sep 2022 @ 145656m
09 Sep 2022 @ 14003d 17h 39m
05 Sep 2022 @ 2021 ie6h 43m
05 Sep 2022 @ 1338<30s 12m
05 Sep 2022 @ 132614m
05 Sep 2022 @ 1312 ns15m
05 Sep 2022 @ 125742m
05 Sep 2022 @ 121524m
05 Sep 2022 @ 1151 ns58m
05 Sep 2022 @ 10532m 37m
05 Sep 2022 @ 10163m 18h 37m
04 Sep 2022 @ 1539 ie2d 21h 54m
01 Sep 2022 @ 1745 ns2h 31m
01 Sep 2022 @ 151423m
01 Sep 2022 @ 14514h 14m
01 Sep 2022 @ 1037 ie2h 4m

Interval Statistics

Interval Count100
Min7m
Max32d 17h 46m
Mean2d 1h 18m
Median1h 31m

Latest Notes

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