Last Known Eruption
1d 2h 1m ago

Latest Eruptions

Eruption DurationInterval
19 Feb 2020 @ 1301 ie wc3h 45m
19 Feb 2020 @ 0916 ie16h 11m
18 Feb 2020 @ 1705 ie wc1d 7h 38m
17 Feb 2020 @ 0927 ie wc18h 9m
16 Feb 2020 @ 1518 ie1d 2h 6m
15 Feb 2020 @ 13129.5m 5h 40m
15 Feb 2020 @ 0732 ie wc18h 4m
14 Feb 2020 @ 1328 ie wc4h 52m
14 Feb 2020 @ 0836 ns wc1d 1h 1m
13 Feb 2020 @ 0735 ie wc1d 17h 26m
11 Feb 2020 @ 1409 ie wc1d 5h 31m
10 Feb 2020 @ 0838 ie wc24m
10 Feb 2020 @ 0814 wc17h 53m
09 Feb 2020 @ 1421 ie wc22h 51m
08 Feb 2020 @ 1530 ie wc1d 2h 52m
07 Feb 2020 @ 1238 ie wc1d 20h 20m
05 Feb 2020 @ 1618 wc6h 32m
05 Feb 2020 @ 0946 ie wc19h 41m
04 Feb 2020 @ 1405 ie wc2d 5h 42m
02 Feb 2020 @ 0823 ns wc14h 57m
01 Feb 2020 @ 1726 ie wc7h 54m
01 Feb 2020 @ 0932 ie wc19h 57m
31 Jan 2020 @ 1335 ie wc2h 58m
31 Jan 2020 @ 1037 ie wc22h 23m
30 Jan 2020 @ 1213:02 wc19h 49m
29 Jan 2020 @ 1624 wc6h 57m
29 Jan 2020 @ 0927 ie wc1d 18h 33m
27 Jan 2020 @ 1454 wc5h 12m
27 Jan 2020 @ 0942 ie wc1d 16h 18m
25 Jan 2020 @ 1724 ie wc5h 17m
25 Jan 2020 @ 1207 ie wc18h 21m
24 Jan 2020 @ 1746 ns wc3h 20m
24 Jan 2020 @ 1426 ie wc3h 14m
24 Jan 2020 @ 1112 ie wc1h 30m
24 Jan 2020 @ 0942 ie wc1h 13m
24 Jan 2020 @ 0829 ie wc15h 30m
23 Jan 2020 @ 16599m 48s 1h 54m
23 Jan 2020 @ 1505 ie wc5h 24m
23 Jan 2020 @ 09419m 10s 19h 43m
22 Jan 2020 @ 1358 ie20h 56m
21 Jan 2020 @ 17027m 25s 1h 49m
21 Jan 2020 @ 151310m 5s 1h 14m
21 Jan 2020 @ 13597m 19s 4h 59m
21 Jan 2020 @ 09009m 49s 1h 24m
21 Jan 2020 @ 07369m 59s 14h 36m
20 Jan 2020 @ 17009m 27s 3h 23m
20 Jan 2020 @ 13378m 41s 1h 12m
20 Jan 2020 @ 12258m 4s 1h 58m
20 Jan 2020 @ 10278m 15s 1h 46m
20 Jan 2020 @ 08419m 26s 15h 16m
19 Jan 2020 @ 17259m 5s 3h 0m
19 Jan 2020 @ 1425 ie wc1d 1h 41m
18 Jan 2020 @ 1244 ie wc2h 57m
18 Jan 2020 @ 0947 ie wc21h 9m
17 Jan 2020 @ 1238 ie wc22h 13m
16 Jan 2020 @ 1425 ie wc8d 22h 59m
07 Jan 2020 @ 1525:175m 23s 1h 3m 5s
07 Jan 2020 @ 1422:128m 28s 1h 21m 55s
07 Jan 2020 @ 1300:1711m 16s 2h 12m 50s
07 Jan 2020 @ 1047:2710m 8s 1h 16m
07 Jan 2020 @ 0931 ie19h 10m
06 Jan 2020 @ 1420:267m 18s 1h 20m 20s
06 Jan 2020 @ 1300:0610m 26s 2h 57m 46s
06 Jan 2020 @ 1002:208m 17s 21h 3m
05 Jan 2020 @ 1259 ie wc1d 3h 37m
04 Jan 2020 @ 0922 ie21h 33m
03 Jan 2020 @ 1149 ie wc20h 15m
02 Jan 2020 @ 1534 ie wc6h 9m
02 Jan 2020 @ 0925 ie wc16h 45m
01 Jan 2020 @ 1640 wc≤8m1d 2h 51m
31 Dec 2019 @ 1349 ns wc5h 12m
31 Dec 2019 @ 0837 ns wc17h 17m
30 Dec 2019 @ 1520 ie22h 17m
29 Dec 2019 @ 1703 ie wc1h 39m
29 Dec 2019 @ 1524 ie wc1d 21m
28 Dec 2019 @ 1503 ie wc23h 33m
27 Dec 2019 @ 1530 ie wc46m
27 Dec 2019 @ 1444 ie wc22h 41m
26 Dec 2019 @ 1603 ie wc1d 1h 5m
25 Dec 2019 @ 1458 ie wc1h 36m
25 Dec 2019 @ 1322 ie wc1d 21h 45m
23 Dec 2019 @ 15376m 48s 1h 5m
23 Dec 2019 @ 14329m 54s 2h 8m
23 Dec 2019 @ 12249m 37s 2h 5m
23 Dec 2019 @ 101910m 17s 1d 18h 0m
21 Dec 2019 @ 1619 ie wc1h 30m
21 Dec 2019 @ 1449 ie wc1h 26m
21 Dec 2019 @ 1323 ie wc23h 56m
20 Dec 2019 @ 1327 ie wc4h 47m
20 Dec 2019 @ 0840 wc8m 3s 18h 53m
19 Dec 2019 @ 13479m 45s 2h 13m
19 Dec 2019 @ 11348m 1s 1h 12m
19 Dec 2019 @ 10228m 22s 17h 49m
18 Dec 2019 @ 1633 ie wc2d 8h 1m
16 Dec 2019 @ 0832 ie wc19h 54m
15 Dec 2019 @ 1238 ie wc19h 25m
14 Dec 2019 @ 1713 ie wc1h 38m
14 Dec 2019 @ 1535 ie wc5h 18m
14 Dec 2019 @ 10177m 12s 1h 58m
14 Dec 2019 @ 08198m 34s 16h 5m

Interval Statistics

Interval Count100
Min24m
Max8d 22h 59m
Mean16h 17m
Median15h 6m

Latest Notes

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


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