Last Known Eruption
18y 87d 19h 21m ago

Latest Eruptions

Eruption DurationInterval
05 Sep 2003 @ 1225 min4y 267d 20h 41m
12 Dec 1998 @ 1444 min23h 25m
11 Dec 1998 @ 1519 ie min60d 4h 1m
12 Oct 1998 @ 1218 min16m
12 Oct 1998 @ 1202 min23d 1h 45m
19 Sep 1998 @ 101722d 18h 22m
27 Aug 1998 @ 15553d 7h 50m
24 Aug 1998 @ 0805 min3d 12h 34m
20 Aug 1998 @ 1931 min2m 3d 23h 47m
16 Aug 1998 @ 1944 min4d 8h 39m
12 Aug 1998 @ 1105 ie22h 45m
11 Aug 1998 @ 12202d 4h 7m
09 Aug 1998 @ 0813 min5d 21h 9m
03 Aug 1998 @ 1104 min1d 6m
02 Aug 1998 @ 1058 min61d 1h 27m
02 Jun 1998 @ 0931 min152d 20h 3m
31 Dec 1997 @ 1228 min76d 19h 32m
15 Oct 1997 @ 175635s 5h 36m
15 Oct 1997 @ 12203d 21h 4m
11 Oct 1997 @ 1516 min1m 54s 10d 3h 48m
01 Oct 1997 @ 11284m 19h 58m
30 Sep 1997 @ 1530 A min16d 7h 32m
14 Sep 1997 @ 0758 min~35s 6d 17h 9m
07 Sep 1997 @ 14496d 21h 9m
31 Aug 1997 @ 1740>2m 1d 5h 35m
30 Aug 1997 @ 12052m 22s 20h 40m
29 Aug 1997 @ 1525 min~2¾m21h 28m
28 Aug 1997 @ 1757 min~2m 1d 20h 44m
26 Aug 1997 @ 21134d 12h 33m
22 Aug 1997 @ 0840 min~3m 1d 16h 52m
20 Aug 1997 @ 1548 min5m
20 Aug 1997 @ 1543 min36m
20 Aug 1997 @ 1507 min43m
20 Aug 1997 @ 1424 min1h 52m
20 Aug 1997 @ 1232 min23h 39m
19 Aug 1997 @ 1253 min30s 21h 21m
18 Aug 1997 @ 15322m 20s 8d 7h 18m
10 Aug 1997 @ 08141m 35s 14h 14m
09 Aug 1997 @ 1800 A~3m 3d 2h 10m
06 Aug 1997 @ 1550 A2d 1h 35m
04 Aug 1997 @ 1415 A7d 29m
28 Jul 1997 @ 13462d 5h 23m
26 Jul 1997 @ 08232¼m6d 18h 38m
19 Jul 1997 @ 1345 min1½m20y 72d 1h 1m
13 May 1977 @ 1244 min1y 72d 39m
02 Mar 1976 @ 110511d 22h 35m
19 Feb 1976 @ 1230149d 19h 55m
22 Sep 1975 @ 173510d 9h 28m
12 Sep 1975 @ 0807 ie61d 16h 2m
12 Jul 1975 @ 1605 ie121d 23h 30m
12 Mar 1975 @ 16351y 258d 19h 3m
26 Jun 1973 @ 21321d 30m
25 Jun 1973 @ 21021d 5h 27m
24 Jun 1973 @ 153518h 44m
23 Jun 1973 @ 20514d 2h 23m
19 Jun 1973 @ 18286d 2h 50m
13 Jun 1973 @ 15383m
13 Jun 1973 @ 15354d 18h 10m
08 Jun 1973 @ 212512h 14m
08 Jun 1973 @ 0911

Interval Statistics

Interval Count59
Min3m
Max20y 72d 1h 1m
Mean187d 5h 20m
Median3d 21h 4m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
16682 03 Jul 1998 @ 0856 --- JarnoO Arch Vent {Bottom Vent} d=20m
16679 29 Jun 1998 @ 0815 29 Jun 1998 @ 0843 JarnoO Arch {Bottom Vent} 0815 ie; still ie 0843
No attachments for this geyser.
BaselineDistance (ft)Description
Rock 100Marker is on a rock behind the benches on the upstream side of the path