Last Known Eruption
5y 267d 12h 4m ago

Latest Eruptions

Eruption DurationInterval
29 Jan 2014 @ 1444 E2y 139d 12m
13 Sep 2011 @ 1532128d 16h 2m
07 May 2011 @ 2330 E124d 22h 16m
03 Jan 2011 @ 0014 E161d 2h 34m
25 Jul 2010 @ 2240176d 7h 51m
30 Jan 2010 @ 1349 ns36d 20h 47m
24 Dec 2009 @ 1702 ns71d 13h 14m
14 Oct 2009 @ 0448 E99d 21h 35m
06 Jul 2009 @ 0713139d 5h 39m
17 Feb 2009 @ 0034 E56d 23h 43m
22 Dec 2008 @ 0051 E227d 4h 41m
08 May 2008 @ 21101y 288d 2h 55m
25 Jul 2006 @ 1815287d 19h 2m
10 Oct 2005 @ 2313 E59d 12h 5m
12 Aug 2005 @ 110876d 1h 6m
28 May 2005 @ 1002118d 41m
30 Jan 2005 @ 0821 ie37d 18h 13m
23 Dec 2004 @ 140871d 2h 34m
13 Oct 2004 @ 1234119d 23h 51m
15 Jun 2004 @ 124355d 4h 53m
21 Apr 2004 @ 0750 ie144d 22h 21m
28 Nov 2003 @ 0829 ie79d 9h 29m
10 Sep 2003 @ 0000 ie75d 3h 25m
26 Jun 2003 @ 2035 ie65d 12h 40m
22 Apr 2003 @ 0755 ie102d 20h 30m
09 Jan 2003 @ 1025 ie34d 12h 37m
05 Dec 2002 @ 2148 E224d 14h 56m
25 Apr 2002 @ 0752 ie171d 20h 12m
04 Nov 2001 @ 104025d 17h 38m
09 Oct 2001 @ 180234d 4h 9m
05 Sep 2001 @ 1353 ns51d 7h 34m
16 Jul 2001 @ 0619132d 20h 47m
05 Mar 2001 @ 0832 ns61d 11h 40m
02 Jan 2001 @ 2052 ie299d 2h 22m
09 Mar 2000 @ 1830 ie43d 9h 45m
26 Jan 2000 @ 0845 ie6d 2h 23m
20 Jan 2000 @ 0622 ie12d 16h 55m
07 Jan 2000 @ 132710d 5h 18m
28 Dec 1999 @ 0809 ie15d 23m
13 Dec 1999 @ 0746 ie7d 21h 55m
05 Dec 1999 @ 0951 ie13d 19m
22 Nov 1999 @ 0932 ns91d 2h 6m
23 Aug 1999 @ 08261y 226d 5h 36m
09 Jan 1998 @ 015069d 1h 50m
01 Nov 1997 @ 00007d 10h 16m
24 Oct 1997 @ 144416d 10h 19m
08 Oct 1997 @ 042545d 45m
24 Aug 1997 @ 03407d 1h 2m
17 Aug 1997 @ 023846d 14h 38m
01 Jul 1997 @ 1200 E82d 9h 13m
10 Apr 1997 @ 0247178d 14h 37m
13 Oct 1996 @ 1210339d 1h 13m
09 Nov 1995 @ 095742d 8h 55m
28 Sep 1995 @ 0202252d 23h 45m
18 Jan 1995 @ 0117108d 5h 57m
01 Oct 1994 @ 202082d 10h 55m
11 Jul 1994 @ 0925343d 7h 19m
02 Aug 1993 @ 020613d 15h 11m
19 Jul 1993 @ 105536d 23h 24m
12 Jun 1993 @ 1131 ns38d 17h 47m
04 May 1993 @ 17441y 40d 8h 39m
25 Mar 1992 @ 0805 ie290d 1h 12m
09 Jun 1991 @ 075320d 13h 33m
19 May 1991 @ 1820 ie194d 17h 40m
05 Nov 1990 @ 2340116d 4h 30m
12 Jul 1990 @ 201012d 23h 11m
29 Jun 1990 @ 205950d 13h 29m
10 May 1990 @ 0730187d 2h 44m
04 Nov 1989 @ 034649d 19h 49m
15 Sep 1989 @ 085739d 3h 13m
07 Aug 1989 @ 054419d 4h 53m
19 Jul 1989 @ 005124d 6h 13m
24 Jun 1989 @ 183816d 21h 37m
07 Jun 1989 @ 210111d 13h 39m
27 May 1989 @ 0722250d 14h 51m
18 Sep 1988 @ 163121d 2h 13m
28 Aug 1988 @ 141821d 5h 20m
07 Aug 1988 @ 085830d 1m
08 Jul 1988 @ 0857209d 7h 57m
12 Dec 1987 @ 0000251d 7h 50m
04 Apr 1987 @ 1610 ie20d 19h 40m
14 Mar 1987 @ 2030 ie25d 8h 0m
17 Feb 1987 @ 1230217d 12h 4m
15 Jul 1986 @ 012618d 2h 43m
26 Jun 1986 @ 2243352d 1h 52m
09 Jul 1985 @ 205138d 22h 40m
31 May 1985 @ 2211108d 21h 37m
11 Feb 1985 @ 233424d 14h 44m
18 Jan 1985 @ 0850 ie93d 13h 44m
16 Oct 1984 @ 20062d 0m
14 Oct 1984 @ 2006339d 16h 47m
10 Nov 1983 @ 02199d 17h 21m
31 Oct 1983 @ 08589d 9h 21m
22 Oct 1983 @ 00378d 2h 40m
13 Oct 1983 @ 21573d 9h 11m
10 Oct 1983 @ 12466d 21h 44m
03 Oct 1983 @ 15028d 13h 43m
25 Sep 1983 @ 011911d 5h 32m
13 Sep 1983 @ 19479d 19m
04 Sep 1983 @ 19289d 17h 43m

Interval Statistics

Interval Count100
Min2d 0m
Max2y 139d 12m
Mean111d 3h 29m
Median56d 2h 18m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
13474 31 Aug 2019 @ 1111 --- c.barwin 2-3' boil that pushed a good amount of water over the rim toward the boardwalk.
13473 31 Aug 2019 @ 0955 --- c.barwin front edge boiling was high enough to send several boil ups over the edge facing the boardwalk.
13463 30 Aug 2019 @ 1125 --- EmilyW Just saw a 1-2’ boil from lower hams at this time
13340 21 Aug 2019 @ 1233 21 Aug 2019 @ 1249 Minafuku Three series of boils that got about 8 to 10 inches high, but nothing to write home about. I was more intrigued by the high water in Vault, there’s a very slight trickle out of the back.
12553 02 Jul 2019 @ 1408 02 Jul 2019 @ 1515 Ben VL Walked up to near continuous boiling noise with a small north rim boil strong enough to agitate the entire surface. Boiling events along the north rim occurring every 2 or 3 minutes to at least 6", with stronger ones reaching one or two feet occurring about every 10 minutes. Boils were anywhere from 1/3 to 3/4 the width of the pool. I did not notice any significant discharge or runoff out of the north end of the pool. Boiling events slowed to about every 10 minutes after the wind picked up, and tended to be slightly smaller. One boil to about 2' was also noted from Aurum sometime before 1600.
11382 21 May 2019 @ 1820 --- Ben VL Brief boil to at least 6". Looked to be on the Southwest side of the rim.
11375 21 May 2019 @ 1230 --- Ben VL A couple small boils along the north rim noted during the couple minutes we sat there.
11266 18 May 2019 @ 1600 --- steve Giantess is having north face boils, although the highest I saw was only about 2 feet. For some reason I did not catch the interval for the boils
9494 06 Aug 2018 @ 1235 06 Aug 2018 @ 1236 udo North edge boils are a few inches tall as viewed when seated by Aurum.
9112 10 Jul 2018 @ 1215 10 Jul 2018 @ 1222 udo Barely boiling. Lake placid. Water level is about an inch below rim as best as I can estimate from b'walk. Very little overflow.
8128 09 May 2018 @ 0840 09 May 2018 @ 0912 udo North rim boils are audible about every 2 to 5 minutes. Superheated boiling is continuous. Has a long way to go. Hope my opinion is proven wrong.
4821 07 Aug 2017 @ 1600 --- EmilyW Back to a placid pool, very weak slight boiling around northeast side, vault well below overflow
4512 21 Jul 2017 @ 1344 --- geysergaze A day of good boiling episodes but at 13:44 we had a full pool boil. The entire surface was boiling 2-3.feet Followed by quiet I've never seen it do that except in a full eruption
4481 18 Jul 2017 @ 1310 --- geysergaze Heavy boils every 2-3 minutes putting water outside of crater. Pool much hotter. Intervals increased to over 10 minutes after the wind started
4426 09 Jul 2017 @ 0845 --- udo No longer a placid lake. Looks more like Crested Pool but with constant upwellings and roiling boils every 1-2 minutes mostly along north rim but also in mid-crater. Promising?? Definitely hotter than this Spring and early Summer.
3857 05 Nov 2016 @ 1100 --- Janet Jones Boiling loud enough to get me to turn around while watching for signs of life from Peanut. Overflow stronger from Giantess than I've seen over the past couple of months, and overflowing toward the Boardwalk while standing at Vault. No ice or standing water in the overflow channel that flows between the boardwalk and Teakettle, though.
1135 18 Aug 2014 @ 0000 18 Aug 2014 @ 2359 BobInSLC 1 to 2 foot boils
261 05 Jun 2012 @ 0736 --- EmilyW Pretty decent giantess boil seen at 0736
29 15 Sep 2011 @ 0828 --- Graham Sustained splash over the rim 0828
12189 08 May 1993 @ 1230 --- JarnoO overflowing
7074 27 Oct 1992 @ 0000 27 Oct 1992 @ 2359 JarnoO heavy boiling around Giantess with 1-½ intervals 4 cycles
7053 16 Oct 1992 @ 0000 16 Oct 1992 @ 2359 JarnoO 1-2' boils
780 11 Jan 1979 @ 0000 11 Jan 1979 @ 2359 LynnS Eruption listed in Koenig\'s list; no time given.
779 26 Aug 1977 @ 0000 26 Aug 1977 @ 2359 LynnS Eruption listed in Koenig\\\'s table of Giantess eruptions, no time given.
554 08 May 1977 @ 0000 08 May 1977 @ 2359 BoekelUpload active Steam type eruption D~15hrs
527 19 Apr 1977 @ 1100 --- BoekelUpload 1100 heavy boiling visible from VC
510 13 Jan 1977 @ 0000 13 Jan 1977 @ 2359 BoekelUpload in late steam phase (no time given
590 19 Nov 1976 @ 2100 --- BoekelUpload at 2100 water down 1 ft from ovfl; est time of eruption late 17 Nov unknown type
551 04 May 1976 @ 2000 05 May 1976 @ 0800 BoekelUpload began overflow during night
490 08 Dec 1975 @ 0911 --- BoekelUpload 0911;had a broad massive crater width dome-shaped boil which lasted 10-15sec(est max height5-6ft.
398 29 Apr 1975 @ 0815 --- BoekelUpload 0815 filled 2ft over vent
496 28 Apr 1975 @ 2015 --- BoekelUpload 2015 crickets/Giantess
396 28 Apr 1975 @ 0815 --- BoekelUpload 0815 filled 2ft over vent
338 17 Apr 1975 @ 0713 17 Apr 1975 @ 0720 BoekelUpload 0713 thumps d=7m
331 13 Mar 1975 @ 1100 --- BoekelUpload ~11:00stm/end
217 16 Jan 1972 @ 0000 16 Jan 1972 @ 2359 BoekelUpload Hot
EntrySourceLinkComment
29 Jan 2014 @ 1444 JSJ https://www.youtube.com/watch?v=mEfy488vH9Y Video of 29 January 2014 eruption of Giantess Geyser.
11 Jul 1994 @ 0925 JSJ https://www.youtube.com/watch?v=q3pjfOPDU7A Video of 11 July 1994 eruption of Giantess Geyser.
19 Jul 1993 @ 1055 JSJ https://www.youtube.com/watch?v=gPCIHC5peVA Video of 19 July 1993 eruption of Giantess Geyser (the action starts at about time stamp 3:50).
29 Jan 2014 @ 1455 kcmule http://www.youtube.com/watch?v=dLTAa9yKz0w this capture starts at about 14:55 this afternoon
29 Jan 2014 @ 1444 kcmule http://www.youtube.com/watch?v=dLTAa9yKz0w capture starts approx 14:55, watching thru the snow.
13 Oct 2004 @ 1234 Tara https://www.youtube.com/watch?v=akZfqeVMiIk Video of eruption by Tara Cross.
30 Jan 2010 @ 1349 Richlg96 http://www.youtube.com/watch?v=ta0OaSqgYJ0 Static cam slideshow/overnight loisb
13 Sep 2011 @ 1532 kcmule http://tinyurl.com/GS1532bb-09132011 some of the better water bursts
13 Sep 2011 @ 1532 kcmule http://tinyurl.com/GS1532-09132011 start (ie) thru steam phase
Baseline does not exist.


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