Last Known Eruption
32d 44m ago

Latest Eruptions

Eruption DurationInterval
23 Feb 2023 @ 1240 maj9d 18h 7m
13 Feb 2023 @ 1833 ie maj3h 57m
13 Feb 2023 @ 14361d 2m
12 Feb 2023 @ 143436d 22h 14m
06 Jan 2023 @ 16201d 2h 0m
05 Jan 2023 @ 14203h 10m
05 Jan 2023 @ 111022h 55m
04 Jan 2023 @ 12151d 15m
03 Jan 2023 @ 12001d 12m
02 Jan 2023 @ 1148 maj34m
02 Jan 2023 @ 1114 min1d 34m
01 Jan 2023 @ 1040 min1d 20h 38m
30 Dec 2022 @ 14022h 53m
30 Dec 2022 @ 1109 maj4d 20h 29m
25 Dec 2022 @ 14406d 45m
19 Dec 2022 @ 1355 maj2d 25m
17 Dec 2022 @ 133033d 2h 15m
14 Dec 2022 @ 111556d 22h 22m
18 Oct 2022 @ 1353 maj39m
18 Oct 2022 @ 1314 min2d 21h 41m
15 Oct 2022 @ 1533 maj3h 8m
15 Oct 2022 @ 1225 maj25m
15 Oct 2022 @ 1200 min18h 35m
14 Oct 2022 @ 1725 maj14m
14 Oct 2022 @ 1711 min2h 37m
14 Oct 2022 @ 1434 maj27m
14 Oct 2022 @ 1407 min2h 42m
14 Oct 2022 @ 1125 maj20m 2d 17h 15m
11 Oct 2022 @ 1810 ie maj3d 6h 1m
08 Oct 2022 @ 1208:13 maj12m 0s
08 Oct 2022 @ 1156:13 min2m 40s 21m
08 Oct 2022 @ 1135 ? min20h 37m
07 Oct 2022 @ 1458 ie maj2h 50m
07 Oct 2022 @ 1207:21 maj38m 18s
07 Oct 2022 @ 1129:03 min4m 6s 20h 23m
06 Oct 2022 @ 1506 maj26m
06 Oct 2022 @ 1440 min2h 30m
06 Oct 2022 @ 1210 maj38m
06 Oct 2022 @ 1132 min2d 56m
04 Oct 2022 @ 1036 maj46m
04 Oct 2022 @ 0950 min1d 17h 45m
02 Oct 2022 @ 1605 maj27m
02 Oct 2022 @ 1538 min3h 10m
02 Oct 2022 @ 122820h 56m
01 Oct 2022 @ 15324h 46m
01 Oct 2022 @ 1046 maj22h 44m
30 Sep 2022 @ 1202 maj1d 22m
29 Sep 2022 @ 1140 ie maj1d 21h 0m
27 Sep 2022 @ 1440 maj15m 52m
27 Sep 2022 @ 1348 min5m 2h 45m
27 Sep 2022 @ 1103 maj22m 38m
27 Sep 2022 @ 1025 min15m 17h 29m
26 Sep 2022 @ 1656 maj5d 2h 57m
21 Sep 2022 @ 1359 maj24m 21s 32m
21 Sep 2022 @ 1327 min2m 39s 23h 33m
20 Sep 2022 @ 1354 maj36m
20 Sep 2022 @ 1318 min3h 8m
20 Sep 2022 @ 1010 A maj1d 20h 42m
18 Sep 2022 @ 1328 maj245d 21h 0m
12 Sep 2022 @ 1628 maj25m
12 Sep 2022 @ 1603 min2h 28m
12 Sep 2022 @ 1335 maj3h 15m
12 Sep 2022 @ 1020 maj4d 22h 40m
07 Sep 2022 @ 1140 A maj22m 1d 22h 40m
05 Sep 2022 @ 1300 maj25m
05 Sep 2022 @ 1235 min2h 43m
05 Sep 2022 @ 0952 maj2h 40m
05 Sep 2022 @ 0712 ie maj1d 16h 58m
03 Sep 2022 @ 1414 maj23m 44m
03 Sep 2022 @ 1330 A min2h 37m
03 Sep 2022 @ 1053 A maj19h 8m
02 Sep 2022 @ 1545 A maj3h 13m
02 Sep 2022 @ 1232 A maj1h 41m
02 Sep 2022 @ 1051 maj33m
02 Sep 2022 @ 1018 min16h 23m
01 Sep 2022 @ 1755 A maj32m
01 Sep 2022 @ 1723 A min2h 42m
01 Sep 2022 @ 1441 A maj27m
01 Sep 2022 @ 1414 A min2h 29m
01 Sep 2022 @ 1145 A maj20m
01 Sep 2022 @ 1125 A min2h 25m
01 Sep 2022 @ 0900 A maj11h 51m
31 Aug 2022 @ 2109 A maj3h 30m
31 Aug 2022 @ 1739 A maj41m
31 Aug 2022 @ 1658 A min2h 48m
31 Aug 2022 @ 1410 A maj28m
31 Aug 2022 @ 1342 A min2h 24m
31 Aug 2022 @ 1118 A maj34m
31 Aug 2022 @ 1044 A min15h 12m
30 Aug 2022 @ 1932 A maj5h 22m
30 Aug 2022 @ 1410 maj21h 33m
29 Aug 2022 @ 1637 maj27m
29 Aug 2022 @ 1610 min2h 46m
29 Aug 2022 @ 1324 maj24m
29 Aug 2022 @ 1300 min2h 11m
29 Aug 2022 @ 1049 maj30m
29 Aug 2022 @ 1019 min1d 20h 21m
27 Aug 2022 @ 1358 maj40m
27 Aug 2022 @ 13182h 48m
27 Aug 2022 @ 103015h 0m

Interval Statistics

Interval Count100
Min12m
Max56d 22h 22m
Mean1d 19h 22m
Median3h 8m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
24163 29 Sep 2022 @ 0900 --- ben_alan End of steam phase in progress when we walked up at 0900
23937 20 Sep 2022 @ 1301 --- CP A period of very heavy splashing over the side that lasted several minutes.
22282 28 Jun 2022 @ 1500 --- sulcatus Water rising and 3 small eruptions from 2.30pm till 3pm. Larger Minor eruption to 20.feet at 3pm. Major at 3.30pm
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.