Last Known Eruption
23d 21h 12m ago

Latest Eruptions

Eruption DurationInterval
01 Oct 2021 @ 1758 maj25m 25m
01 Oct 2021 @ 1733 min~2.5m 13m
01 Oct 2021 @ 1720 min1m 53s 13m
01 Oct 2021 @ 1707 min1m 51s 2h 9m
01 Oct 2021 @ 1458 ie maj6d 3h 55m
25 Sep 2021 @ 1103 maj22m 3d 26m
22 Sep 2021 @ 1037 maj9d 52m
13 Sep 2021 @ 0945 ie20h 6m
12 Sep 2021 @ 1339 maj26m
12 Sep 2021 @ 1313 min2m 17s 2d 19h 4m
09 Sep 2021 @ 1808:27 maj~24.5m 25m 53s
09 Sep 2021 @ 1742:34 min2m 22s 2h 20m
09 Sep 2021 @ 1522 A maj3d 1h 24m
06 Sep 2021 @ 1358 A maj25m
06 Sep 2021 @ 1333 A min22m
06 Sep 2021 @ 1311 A min2h 11m
06 Sep 2021 @ 1100 A maj~20m 42m
06 Sep 2021 @ 1018 A~5m 13m
06 Sep 2021 @ 1005 A min14h 45m
05 Sep 2021 @ 1920 A maj~20m 6m
05 Sep 2021 @ 1914 A2h 44m
05 Sep 2021 @ 1630 A maj~22m 3h 14m
05 Sep 2021 @ 1316 A maj~25m 26m
05 Sep 2021 @ 1250 A min~4m 2h 0m
05 Sep 2021 @ 1050 A maj40m
05 Sep 2021 @ 1010 A min17h 1m
04 Sep 2021 @ 1709 A maj~20m 2h 55m
04 Sep 2021 @ 1414 A maj~20m 36m
04 Sep 2021 @ 1338 A min~5m 2h 6m
04 Sep 2021 @ 1132 maj2h 32m
04 Sep 2021 @ 0900 A min10m 30m
04 Sep 2021 @ 0830 A maj25m 16h 54m
03 Sep 2021 @ 1536 A maj~20m 1h 11m
03 Sep 2021 @ 1425 A min1h 43m
03 Sep 2021 @ 1242 A maj~25m 19h 52m
02 Sep 2021 @ 1650 A min2h 2m
02 Sep 2021 @ 1448 A maj43m
02 Sep 2021 @ 1405 A min5m 45m
02 Sep 2021 @ 1320 A min2h 3m
02 Sep 2021 @ 1117 A maj33m
02 Sep 2021 @ 1044 A min5m 2h 31m
02 Sep 2021 @ 0813 A maj11h 41m
01 Sep 2021 @ 2032 A maj34m
01 Sep 2021 @ 1958 A min2h 28m
01 Sep 2021 @ 1730 A maj20m
01 Sep 2021 @ 1710 A min15m
01 Sep 2021 @ 1655 A2h 9m
01 Sep 2021 @ 1446 A maj15m
01 Sep 2021 @ 1431 A min8m
01 Sep 2021 @ 1423 A min9m
01 Sep 2021 @ 1414 A min29m
01 Sep 2021 @ 1345 A min20h 10m
31 Aug 2021 @ 1734:19 maj13m 38s 26m 27s
31 Aug 2021 @ 1707:52 min3m 47s 17m
31 Aug 2021 @ 1650 ie min2h 25m
31 Aug 2021 @ 1425 A maj22m 15m
31 Aug 2021 @ 1410 A min2m 2h 32m
31 Aug 2021 @ 11382h 18m
31 Aug 2021 @ 0920 ie maj10m
31 Aug 2021 @ 0910 A maj~20m 15h 41m
30 Aug 2021 @ 1729 A maj20m 2h 59m
30 Aug 2021 @ 1430 A maj2h 24m
30 Aug 2021 @ 1206 A maj21m
30 Aug 2021 @ 1145 A maj30m 16h 19m
29 Aug 2021 @ 1926 A maj26m 2h 57m
29 Aug 2021 @ 1629 A maj28m 2h 45m
29 Aug 2021 @ 1344 maj31m 2h 54m
29 Aug 2021 @ 1050 A maj30m
29 Aug 2021 @ 1020 A maj30m 2h 54m
29 Aug 2021 @ 0726 A maj26m 14h 55m
28 Aug 2021 @ 1631 A maj2h 48m
28 Aug 2021 @ 1343 A maj26m 3h 7m
28 Aug 2021 @ 1036 A maj17m 6h 18m
28 Aug 2021 @ 0418 A maj11h 43m
27 Aug 2021 @ 1635 A maj3h 31m
27 Aug 2021 @ 1304 A maj22m 2h 34m
27 Aug 2021 @ 1030 A maj20m 1d 4h 23m
26 Aug 2021 @ 0607 A maj25m 11h 20m
25 Aug 2021 @ 1847 A maj~28m 3h 7m
25 Aug 2021 @ 1540 A maj~23m 1d 3h 20m
24 Aug 2021 @ 1220 A maj2h 45m
24 Aug 2021 @ 0935 A maj20m
24 Aug 2021 @ 0915 A min14h 47m
23 Aug 2021 @ 1828 A maj3h 6m
23 Aug 2021 @ 1522 A maj33m 2h 42m
23 Aug 2021 @ 1240 A maj25-26 minutes13h 21m
22 Aug 2021 @ 2319 A maj16m 43m
22 Aug 2021 @ 2236 A min3m 5h 40m
22 Aug 2021 @ 1656 A maj3h 30m
22 Aug 2021 @ 1326 maj21h 4m
21 Aug 2021 @ 1622 A maj17m 3h 6m
21 Aug 2021 @ 1316 ie18h 16m
20 Aug 2021 @ 190020m 2h 58m
20 Aug 2021 @ 160222m 2d 23h 42m
17 Aug 2021 @ 1620 A maj20m 6h 0m
17 Aug 2021 @ 1020 A maj20m 18h 20m
16 Aug 2021 @ 1600 ? A maj2h 55m
16 Aug 2021 @ 1305 A maj30m 2h 50m
16 Aug 2021 @ 1015 A maj14h 45m
15 Aug 2021 @ 1930 A maj3h 0m

Interval Statistics

Interval Count100
Min6m
Max9d 52m
Mean11h 17m
Median2h 38m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
19397 09 Sep 2021 @ 1726 --- William failed minor attempt, water intermittent to 3' for 30s but no eruption.
19396 09 Sep 2021 @ 1655 --- William first splash of water observed.
15473 09 Aug 2020 @ 1632 09 Aug 2020 @ 1634 JSJ Sloppy minor.
15472 09 Aug 2020 @ 1617 09 Aug 2020 @ 1620 JSJ Sloppy minor.
15477 09 Aug 2020 @ 1357 --- JSJ Inclinometer reading: highest water during this major eruption was about 55 feet above the vent.
15476 09 Aug 2020 @ 1321 --- JSJ Inclinometer reading: highest water during this minor eruption was about 25 feet above the vent.
15471 09 Aug 2020 @ 1308 09 Aug 2020 @ 1310 JSJ Sloppy minor.
14983 14 Jul 2020 @ 1454 --- Ajw Splashing began at 1454
14517 03 Jun 2020 @ 1432 --- DanS Preplay starts.
11746 12 Jun 2019 @ 1022 --- LynnS Solid splashing 2-4 fwwt above Cone for 2 minutes
10466 26 Sep 2018 @ 1420 26 Sep 2018 @ 1438 Ajw 2 minor eruptions prior to the 1511 major.
9715 14 Aug 2018 @ 1143 --- Micah Kipple "sloppy minor" 4m17s.
9515 07 Aug 2018 @ 1412 --- Micah Kipple "sloppy minor" 4 minutes long.
9513 07 Aug 2018 @ 1108 --- Micah Kipple "sloppy minor" very vigorous and constant preplay categorized as minors by some.
975 23 Jun 2008 @ 0000 23 Jun 2008 @ 2329 BoekelUpload x:2x ie vr
1357 29 Jul 2007 @ 0740 29 Jul 2007 @ 0749 BoekelUpload 07:4ish; vr
1356 09 Jun 2007 @ 1130 09 Jun 2007 @ 1139 BoekelUpload 11:3x; vr
7057 25 Oct 1992 @ 1200 25 Oct 1992 @ 1250 JarnoO 12:x0 vr
EntrySourceLinkComment
09 Aug 2020 @ 1726 JSJ https://www.youtube.com/watch?v=aeFe3dhoXt4#t=3m48s Clips 8-20 of this video (= time stamp 3:48 to the end) show Lone Star Geyser's 5:26 PM-onward major eruption on 9 August 2020.
09 Aug 2020 @ 1357 JSJ https://www.youtube.com/watch?v=aeFe3dhoXt4#t=1m02s Clips 3-7 of this video (= time stamp 1:02 to 3:47) show Lone Star Geyser's 1:57 PM-onward major eruption on 9 August 2020.
09 Aug 2020 @ 1321 JSJ https://www.youtube.com/watch?v=aeFe3dhoXt4 Clips 1-2 of this video (= beginning to time stamp 1:01) show Lone Star Geyser's 1:21 to 1:28 PM minor eruption on 9 August 2020.
09 Aug 2020 @ 1726 JSJ https://www.flickr.com/photos/jsjgeology/50209563683 Photo (out of 6) of Lone Star Geyser's 5:26 PM-onward major eruption on 9 August 2020.
09 Aug 2020 @ 1647 JSJ https://www.flickr.com/photos/jsjgeology/50210361127 Photo (out of 2) of Lone Star Geyser's 4:47 to 4:51 PM minor eruption on 9 August 2020.
09 Aug 2020 @ 1357 JSJ https://www.flickr.com/photos/jsjgeology/50210357822 Photo (out of 9) of Lone Star Geyser's 1:57 PM-onward major eruption on 9 August 2020.
08 Aug 2018 @ 1205 JSJ https://www.flickr.com/photos/jsjgeology/46521294621 Photo (out of 5) of Lone Star Geyser's 12:05 to 12:10 minor eruption on 8 August 2018.
08 Aug 2018 @ 1232 JSJ https://www.flickr.com/photos/jsjgeology/46469205542 Photo (out of 16) of Lone Star Geyser's 12:32 PM-onward major eruption on 8 August 2018.
08 Aug 2018 @ 1534 JSJ https://www.flickr.com/photos/jsjgeology/44704256830 Photo (out of 10) of Lone Star Geyser's 3:34 PM-onward major eruption on 8 August 2018.
08 Aug 2018 @ 1534 JSJ https://www.youtube.com/watch?v=4h9izWP72EA All clips of this video compilation show Lone Star Geyser's 3:34 PM-onward major eruption on 8 August 2018. Eruption initiation in clip 1, at time stamp 1:24.
08 Aug 2018 @ 1509 JSJ https://www.youtube.com/watch?v=IVkSM3cfmVw#t=7m16s Clips 14-15 of this video compilation (= time stamp 7:16 to the end) show Lone Star Geyser's 3:09 to 3:11 PM minor eruption on 8 August 2018.
08 Aug 2018 @ 1232 JSJ https://www.youtube.com/watch?v=nYzKmgbHohU#t=4m01s Clips 10-23 of this video compilation (= time stamp 4:01 to the end) show Lone Star Geyser's 12:32 PM-onward major eruption on 8 August 2018.
08 Aug 2018 @ 1205 JSJ https://www.youtube.com/watch?v=nYzKmgbHohU Clips 1-7 of this video compilation (= beginning to time stamp 3:16) show Lone Star Geyser's 12:05 to 12:10 PM minor eruption on 8 August 2018.
07 Aug 2013 @ 1557 JSJ https://www.flickr.com/photos/jsjgeology/13276533673 Photo of Lone Star Geyser's 3:57 to 4:23 PM major eruption on 7 August 2013.
Baseline does not exist.