Last Known Eruption
21y 24d 6h 6m ago

Latest Eruptions

Eruption DurationInterval
30 Oct 1998 @ 1309 ie3h 43m
30 Oct 1998 @ 092618h 34m
29 Oct 1998 @ 14521y 54d 9h 22m
05 Sep 1997 @ 063012h 59m
04 Sep 1997 @ 17314h 54m
04 Sep 1997 @ 123764d 4h 7m
02 Jul 1997 @ 08305y 161d 15h 30m
23 Jan 1992 @ 160014y 255d 2h 40m
16 May 1977 @ 1420to25451d 11h 50m
15 May 1977 @ 02301d 13h 47m
13 May 1977 @ 124320d 4h 28m
23 Apr 1977 @ 07155m 10s 22h 22m
22 Apr 1977 @ 085332m
22 Apr 1977 @ 082115h 59m
21 Apr 1977 @ 1622~3m 23h 6m
20 Apr 1977 @ 171649d 2h 11m
02 Mar 1977 @ 150513d 5h 5m
17 Feb 1977 @ 10007d 19h 0m
09 Feb 1977 @ 150028d 4h 11m
12 Jan 1977 @ 104985d 1h 5m
19 Oct 1976 @ 104452m
19 Oct 1976 @ 095218d 14h 23m
30 Sep 1976 @ 19291d 5h 22m
29 Sep 1976 @ 14075d 2h 34m
24 Sep 1976 @ 11335d 19h 8m
18 Sep 1976 @ 16253d 8h 14m
15 Sep 1976 @ 08112d 5h 21m
13 Sep 1976 @ 0250 ie4d 18h 53m
08 Sep 1976 @ 075715h 51m
07 Sep 1976 @ 16067h 51m
07 Sep 1976 @ 08152d 15h 58m
04 Sep 1976 @ 161732m
04 Sep 1976 @ 15452d 2h 42m
02 Sep 1976 @ 13031d 2h 17m
01 Sep 1976 @ 10461h 8m
01 Sep 1976 @ 09381d 9h 36m
31 Aug 1976 @ 00021d 4h 57m
29 Aug 1976 @ 19054d 2h 5m
25 Aug 1976 @ 17006h 48m
25 Aug 1976 @ 101214h 0m
24 Aug 1976 @ 201267d 2h 44m
18 Jun 1976 @ 1728108d 5h 28m
02 Mar 1976 @ 1100161d 20h 30m
22 Sep 1975 @ 15304h 7m
22 Sep 1975 @ 112330m
22 Sep 1975 @ 105332m
22 Sep 1975 @ 10217d 1h 34m
15 Sep 1975 @ 08472d 15h 59m
12 Sep 1975 @ 16488h 41m
12 Sep 1975 @ 0807 ie4d 21h 19m
07 Sep 1975 @ 104844m
07 Sep 1975 @ 100443m
07 Sep 1975 @ 092129m
07 Sep 1975 @ 08524d 1h 57m
03 Sep 1975 @ 06551d 21h 47m
01 Sep 1975 @ 09081d 17h 28m
30 Aug 1975 @ 154045m
30 Aug 1975 @ 1455 ie27d 22h 40m
02 Aug 1975 @ 16152d 5m
31 Jul 1975 @ 16104d 19h 40m
26 Jul 1975 @ 2030 ie10d 8h 33m
16 Jul 1975 @ 11572d 3h 49m
14 Jul 1975 @ 08081d 14h 18m
12 Jul 1975 @ 17509h 15m
12 Jul 1975 @ 0835121d 16h 10m
12 Mar 1975 @ 162551d 1h 34m
20 Jan 1975 @ 135126d 22h 12m
24 Dec 1974 @ 15391y 159d 20h 50m
17 Jul 1973 @ 19498h 24m
17 Jul 1973 @ 11257d 23h 40m
09 Jul 1973 @ 11451d 14h 33m
07 Jul 1973 @ 2112 ie9h 27m
07 Jul 1973 @ 114510d 14h 14m
26 Jun 1973 @ 21311d 30m
25 Jun 1973 @ 210115h 17m
25 Jun 1973 @ 054414h 9m
24 Jun 1973 @ 153518h 45m
23 Jun 1973 @ 20501d 7h 49m
22 Jun 1973 @ 13011d 17h 12m
20 Jun 1973 @ 19491d 1h 22m
19 Jun 1973 @ 18276h 47m
19 Jun 1973 @ 1140 ie5d 20h 6m
13 Jun 1973 @ 15344d 18h 10m
08 Jun 1973 @ 212412h 19m
08 Jun 1973 @ 090512h 9m
07 Jun 1973 @ 205612h 27m
07 Jun 1973 @ 08291d 23h 23m
05 Jun 1973 @ 09062d 0m
03 Jun 1973 @ 09061d 45m
02 Jun 1973 @ 08218d 16h 54m
24 May 1973 @ 15271y 270d 3h 12m
28 Aug 1971 @ 12156d 22h 25m
21 Aug 1971 @ 13501y 25d 1h 1m
27 Jul 1970 @ 12491h 29m
27 Jul 1970 @ 112012d 21h 2m
14 Jul 1970 @ 141826d 1h 33m
18 Jun 1970 @ 124521d 22h 45m
27 May 1970 @ 14001d 8h 35m
26 May 1970 @ 05251d 12h 50m
24 May 1970 @ 16359d 2h 40m

Interval Statistics

Interval Count100
Min29m
Max14y 255d 2h 40m
Mean103d 22h 48m
Median1d 19h 37m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
3495 14 Aug 2016 @ 1353 --- Archer Sput underneath gravel erupting along with the normal sput.
170 06 Jan 1971 @ 0000 06 Jan 1971 @ 2359 BoekelUpload Spiteful overflow steady
No attachments for this geyser.
Baseline does not exist.


All data is shown in US/Mountain timezone unless specified otherwise.

GeyserTimes.org is not affiliated with the National Park Service, but it is "for the benefit and enjoyment of the people".

If you have any questions or comments please contact: webmaster@geysertimes.org

Support open geyser data: Patreon Page

© Copyright 2011-2019

Facebook Page Telegram Channel Get it on Google Play Download on the App Store

Google Play and the Google Play logo are trademarks of Google LLC.

Apple and the Apple logo are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc., registered in the U.S. and other countries.