Last Known Eruption
23d 19h 11m ago

Latest Eruptions

Eruption DurationInterval
10 Nov 2020 @ 1614 ie wc7h 21m
10 Nov 2020 @ 0853 ie wc15h 42m
09 Nov 2020 @ 1711 ie wc1h 24m
09 Nov 2020 @ 1547 wc1h 27m
09 Nov 2020 @ 1420 wc6h 13m
09 Nov 2020 @ 0807 ie wc2d 1m
07 Nov 2020 @ 0806 ns13d 19h 41m
24 Oct 2020 @ 1325 ie wc21h 33m
23 Oct 2020 @ 1552 wc1h 27m
23 Oct 2020 @ 1425 ie wc3h 9m
23 Oct 2020 @ 1116 ie wc23h 0m
22 Oct 2020 @ 1216 ie wc1d 21h 37m
20 Oct 2020 @ 1439 ie wc4h 21m
20 Oct 2020 @ 1018 ie17h 25m
19 Oct 2020 @ 1653 ns wc8h 18m
19 Oct 2020 @ 0835 ie wc1d 18h 38m
17 Oct 2020 @ 1357 wc10m 27s 1h 15m
17 Oct 2020 @ 1242 wc9m 2s 22h 4m
16 Oct 2020 @ 1438 ie wc2h 24m
16 Oct 2020 @ 1214 wc1h 33m
16 Oct 2020 @ 1041 ie wc1h 18m
16 Oct 2020 @ 0923 ie1h 39m
16 Oct 2020 @ 0744 ie wc14h 12m
15 Oct 2020 @ 1732 wc9h 59m
15 Oct 2020 @ 0733 ns wc13h 9m
14 Oct 2020 @ 1824 ie wc1h 15m
14 Oct 2020 @ 1709 ie wc3h 6m
14 Oct 2020 @ 1403 wc5h 20m
14 Oct 2020 @ 0843 wc1h 27m
14 Oct 2020 @ 0716 ie wc13h 15m
13 Oct 2020 @ 1801 ie1h 54m
13 Oct 2020 @ 1607 wc4h 5m
13 Oct 2020 @ 1202 ie wc2h 53m
13 Oct 2020 @ 0909 ie wc14h 47m
12 Oct 2020 @ 1822 ns wc1h 56m
12 Oct 2020 @ 1626 ie wc3h 11m
12 Oct 2020 @ 1315 ie wc4h 57m
12 Oct 2020 @ 0818 ie wc14h 48m
11 Oct 2020 @ 17302h 20m
11 Oct 2020 @ 1510 ie wc1h 47m
11 Oct 2020 @ 1323 ie wc19h 44m
10 Oct 2020 @ 1739 ie wc1h 19m
10 Oct 2020 @ 1620 wc1h 17m
10 Oct 2020 @ 1503 ie51m
10 Oct 2020 @ 1412 wc7h 1m
10 Oct 2020 @ 0711 ie wc16h 0m
09 Oct 2020 @ 1511 ie wc4h 36m
09 Oct 2020 @ 1035 ie15h 57m
08 Oct 2020 @ 1838 ie wc1d 30m
07 Oct 2020 @ 18081h 51m
07 Oct 2020 @ 16171h 12m
07 Oct 2020 @ 1505 wc7h 54m
07 Oct 2020 @ 0711 ie wc16h 46m
06 Oct 2020 @ 14258m 19h 53m
05 Oct 2020 @ 1832 ie wc1h 31m
05 Oct 2020 @ 1701 wc9h 17m
05 Oct 2020 @ 0744 wc12h 40m
04 Oct 2020 @ 1904 ie wc6h 9m
04 Oct 2020 @ 1255 ie1h 31m
04 Oct 2020 @ 112417h 14m
03 Oct 2020 @ 1810 ie wc2h 50m
03 Oct 2020 @ 1520 wc1d 25m
02 Oct 2020 @ 1455 ie wc19h 36m
01 Oct 2020 @ 1919 ie4h 1m
01 Oct 2020 @ 1518 ie2h 15m
01 Oct 2020 @ 1303 wc2h 14m
01 Oct 2020 @ 1049 ie12h 20m
30 Sep 2020 @ 22298m 5h 9m
30 Sep 2020 @ 1720 wc1h 18m
30 Sep 2020 @ 1602 ie wc7h 31m
30 Sep 2020 @ 0831 ie wc15h 21m
29 Sep 2020 @ 1710 ie1h 17m
29 Sep 2020 @ 1553 wc23h 42m
28 Sep 2020 @ 1611 ie wc21h 27m
27 Sep 2020 @ 1844 ie wc1h 27m
27 Sep 2020 @ 1717 wc3h 0m
27 Sep 2020 @ 1417 wc4h 7m
27 Sep 2020 @ 1010 wc15h 57m
26 Sep 2020 @ 1813 wc3h 11m
26 Sep 2020 @ 1502 ie20h 17m
25 Sep 2020 @ 1845 ie wc1d 11h 35m
24 Sep 2020 @ 0710 wc13h 54m
23 Sep 2020 @ 1716 ie wc22h 59m
22 Sep 2020 @ 1817 ie wc22h 46m
21 Sep 2020 @ 1931 ie wc2h 45m
21 Sep 2020 @ 1646 wc5h 16m
21 Sep 2020 @ 1130 wc15h 55m
20 Sep 2020 @ 1935 wc1h 34m
20 Sep 2020 @ 1801 ie wc1h 45m
20 Sep 2020 @ 1616 wc1h 25m
20 Sep 2020 @ 1451 wc1h 45m
20 Sep 2020 @ 1306 wc1h 41m
20 Sep 2020 @ 1125 ie wc17h 9m
19 Sep 2020 @ 18163h 54m
19 Sep 2020 @ 1422 wc1h 41m
19 Sep 2020 @ 1241 wc4h 34m
19 Sep 2020 @ 0807 ns wc1h 3m
19 Sep 2020 @ 0704 wc1h 13m
19 Sep 2020 @ 055110m 11h 34m
18 Sep 2020 @ 1817 ns5h 44m

Interval Statistics

Interval Count100
Min51m
Max13d 19h 41m
Mean12h 46m
Median5h 3m

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
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.