Last Known Eruption
5h 30m ago

Latest Eruptions

Eruption DurationInterval
18 Nov 2019 @ 1125 wc2d 29m
16 Nov 2019 @ 1056 ie wc4h 28m
16 Nov 2019 @ 062814h 38m
15 Nov 2019 @ 1550 wc1h 8m
15 Nov 2019 @ 1442 ie wc3h 15m
15 Nov 2019 @ 1127 ie wc2h 2m
15 Nov 2019 @ 0925 ie16h 46m
14 Nov 2019 @ 1639 ie wc1h 56m
14 Nov 2019 @ 14436h 13m
14 Nov 2019 @ 083019h 39m
13 Nov 2019 @ 1251 wc5h 33m
13 Nov 2019 @ 071818h 44m
12 Nov 2019 @ 1234 ns wc2h 52m
12 Nov 2019 @ 0942 ns wc3h 14m
12 Nov 2019 @ 062818h 5m
11 Nov 2019 @ 1223 ie wc1h 27m
11 Nov 2019 @ 105620h 3m
10 Nov 2019 @ 14535h 48m
10 Nov 2019 @ 0905 ie18h 9m
09 Nov 2019 @ 1456 ie1h 17m
09 Nov 2019 @ 1339 ie4h 45m
09 Nov 2019 @ 085417h 24m
08 Nov 2019 @ 1530 ie wc1h 9m
08 Nov 2019 @ 1421 ie1h 32m
08 Nov 2019 @ 1249 ie wc2h 47m
08 Nov 2019 @ 1002 ie wc16h 32m
07 Nov 2019 @ 1730 ie wc2h 2m
07 Nov 2019 @ 15281h 34m
07 Nov 2019 @ 1354 ie21h 45m
06 Nov 2019 @ 1609 ie wc7h 44m
06 Nov 2019 @ 0825 ie wc18h 32m
05 Nov 2019 @ 1353 ie wc1d 5h 34m
04 Nov 2019 @ 0819 wc21h 58m
03 Nov 2019 @ 1021 ie wc1d 23h 11m
01 Nov 2019 @ 1210 ie wc18h 49m
31 Oct 2019 @ 1721 ie wc1d 30m
30 Oct 2019 @ 1651 ie wc22h 49m
29 Oct 2019 @ 1802 ie wc1h 59m
29 Oct 2019 @ 1603 wc1d 18m
28 Oct 2019 @ 1545 ie wc1h 4m
28 Oct 2019 @ 1441 ie wc4h 6m
28 Oct 2019 @ 10352h 20m
28 Oct 2019 @ 0815 ie wc17h 53m
27 Oct 2019 @ 1422 ie1d 20h 13m
25 Oct 2019 @ 1809 wc1h 21m
25 Oct 2019 @ 1648 ie wc1h 15m
25 Oct 2019 @ 1533 ie wc2h 29m
25 Oct 2019 @ 1304 ns wc2h 28m
25 Oct 2019 @ 1036 ns wc1h 45m
25 Oct 2019 @ 0851 ie wc14h 35m
24 Oct 2019 @ 1816 ie wc2h 53m
24 Oct 2019 @ 1523 ie wc2h 35m
24 Oct 2019 @ 12483h 39m
24 Oct 2019 @ 0909 ie19h 50m
23 Oct 2019 @ 1319 ie1d 5h 26m
22 Oct 2019 @ 0753 ns wc21h 46m
21 Oct 2019 @ 1007 ie wc1h 5m
21 Oct 2019 @ 0902 ns wc1d 23h 44m
19 Oct 2019 @ 0918 ie wc18h 37m
18 Oct 2019 @ 1441 ie wc4h 51m
18 Oct 2019 @ 0950 ie wc2h 19m
18 Oct 2019 @ 0731 wc13h 25m
17 Oct 2019 @ 1806 wc2h 9m
17 Oct 2019 @ 1557 wc5h 13m
17 Oct 2019 @ 1044 wc58m
17 Oct 2019 @ 0946 ie15h 9m
16 Oct 2019 @ 1837 ns wc1h 21m
16 Oct 2019 @ 1716 ie wc7h 24m
16 Oct 2019 @ 0952 ie wc15h 23m
15 Oct 2019 @ 1829 ie wc7h 9m
15 Oct 2019 @ 1120 ie wc4h 16m
15 Oct 2019 @ 0704 ie wc1d 15h 6m
13 Oct 2019 @ 1558 ie wc2d 3h 9m
11 Oct 2019 @ 1249 ns wc2d 22h 9m
08 Oct 2019 @ 1440 ie wc6h 13m
08 Oct 2019 @ 0827 wc1h 4m
08 Oct 2019 @ 0723 ie wc16h 38m
07 Oct 2019 @ 1445 ie wc2h 3m
07 Oct 2019 @ 1242 ie wc23h 13m
06 Oct 2019 @ 13291h 32m
06 Oct 2019 @ 1157 ie20h 7m
05 Oct 2019 @ 1550 ie wc4h 35m
05 Oct 2019 @ 111520h 39m
04 Oct 2019 @ 1436 ie wc1d 6h 7m
03 Oct 2019 @ 0829 ie2d 14h 15m
30 Sep 2019 @ 1814 ie7h 54m
30 Sep 2019 @ 1020 ie22h 43m
29 Sep 2019 @ 11373h 49m
29 Sep 2019 @ 0748 ie wc15h 7m
28 Sep 2019 @ 1641 ie wc1h 23m
28 Sep 2019 @ 1518 ie wc1h 25m
28 Sep 2019 @ 1353 ie2h 44m
28 Sep 2019 @ 1109 ie16h 15m
27 Sep 2019 @ 1854 ie wc7h 5m
27 Sep 2019 @ 1149 wc16h 11m
26 Sep 2019 @ 193811h 15m
26 Sep 2019 @ 082310h 13m
25 Sep 2019 @ 22109m 11s 5h 15m
25 Sep 2019 @ 1655 wc4h 52m
25 Sep 2019 @ 1203 ns wc2h 54m

Interval Statistics

Interval Count100
Min58m
Max2d 22h 9m
Mean12h 59m
Median6h 39m

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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