Last Known Eruption
19d 17h 11m ago

Latest Eruptions

Eruption DurationInterval
10 Sep 2020 @ 1512>1d 3h 24m 15d 6h 10m
26 Aug 2020 @ 0902 wc1d 23h 36m 6y 210d 17h 18m
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 42m
05 Dec 2002 @ 2143 E224d 14h 51m
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

Interval Statistics

Interval Count100
Min2d 0m
Max6y 210d 17h 18m
Mean135d 2h 50m
Median58d 5h 54m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
16305 29 Sep 2020 @ 1353 --- Janet Jones 1-2 Ft boil near the rim that put out a nice amount of water
16303 29 Sep 2020 @ 1112 29 Sep 2020 @ 1305 JarnoO (wc) Large N semicircle to full pool boil 1-2 feet 1112:32 - 1112:40. Appears to have been an isolated event. Activity took a break of about 30 minutes before the next boil in W semicircle @ 1141:25, sustained for 15s up to 1-2 feet. Boils started picking up pace very slowly with N rim-focused boils. Pool-wide boil up to 2-3 feet (maybe even 4 feet) @ 1301:19 for 20s began at N rim and ended at NE rim.
16300 28 Sep 2020 @ 1600 --- JarnoO (wc) Appears to have maintained status quo since my last note. Worth noting this time is that Giantess had a few decent boiling episodes inferred by forced steam about 20-30 minutes before Beehive went, despite wind conditions being less than optimal for any activity other than overflowing strongly with the occasional (weak) boil. After Beehive I hadn't seen any boiling as of writing this note, even though the cam was on the Hill for much of the time.
16259 25 Sep 2020 @ 1855 --- JarnoO (wc) Pool appears to have been high with only fragments of the white ring visible at all times I've observed it the past 2 days or so. It appears the hot/cold phases are now only identifiable by steam output of the pool; the SE runoff itself has always been steamy over the past days. Have barely seen any boiling aside from the already noted boiling episodes from webcam, though, which is kind of surprising but also not since it has been fairly windy. New for me is a light W rim boil @ 1551 today.
16257 25 Sep 2020 @ 0958 --- JarnoO Slight progression fr 6am. Infant is starting to clear with geyser scum on sides. Pool continues to be full with some water seen in wash area William Said to keep an eye on. Vault now has minimal bubbles {entrant's note: This note was originally entered as an eruption, which it isn't. I've saved it in case it got flagged away, which it seemingly has been. Text has been kept as-is.}
16251 25 Sep 2020 @ 0805 25 Sep 2020 @ 0825 William No strong boils seen, rim boiling only. Pool level is high and runoff shoulder is damp. Vault is unchanged since my last observation. Infant water level has dropped slightly and pool appears to be a clearer brown color.
16258 25 Sep 2020 @ 0714 --- JarnoO 10 ft [sic] Light boiling, vault and infant unchanged, elk bugling {entrant's note: This note was originally entered as an eruption, which it isn't. K.Cooper saved it in case it got flagged away, which it seemingly has been. Text has been kept as-is.}
16242 23 Sep 2020 @ 1925 23 Sep 2020 @ 1945 William Pool high and multiple rim boils along the boardwalk side of the pool. Runoff down the shoulder still light with no evidence of newly wet areas. Vault with typical water level and back bubbling. Infant still muddy, splotchy and high with occasional light bubbles from the middle of the pool.
16236 23 Sep 2020 @ 1010 23 Sep 2020 @ 1035 underarockphoto Center pool boil to about 1-2ft, and 4-6ft in diameter. Lasted about 15 seconds. Repeat performance at 1011, 1015, 1018, 1024, 1026, and 1028. One of those around 1018 was quite vigorous. Boil center pool 1031. Small but sustained boil 1033. Wide center pool boil, bit punchy, 1035.
16233 22 Sep 2020 @ 1545 --- JarnoO (wc) No change in status quo, although observed boiling today seemed a little more vigorous than yesterday. Had some good boiling episodes between ±1100 to ±1200 (including a strong one covering the NE quadrant which later split into two - N and NE) and hotter than usual from 1503-onw. Over the past few days it has become apparant to me that boiling episodes happen almost exclusively when the pool is emitting more steam than usual for ambient temperatures. In this "hot" phase, it appears the pool rises to a higher-than-usual water level, causing a noticeable increase in steam at the SE runoff area. Runoff also becomes noticeably darker as this hot phase continues; this becomes apparant about 30 to 40 minutes after the start. Boiling also happens frequently, but it seems to be only of visible size (or only happen) when there's little or no wind. Some of these hot phases feature a thin, white ring around the pool, while others don't (likely the stronger hot phases). No idea on how long these hot phases last, but could easily be well over an hour or more. In the "cold" phase, it appears the pool emits steam as usual for ambient temperatures and there appears to be little or no boiling. The pool also appears low, with an easily visible, ±continuous, white ring around the pool. As for when Giantess transitions to a hot phase - I am not sure. The 1503 hot phase started with a weak, but visible, N rim boiling episode, so visible boiling while the pool is low may be an indicator for that.
16229 21 Sep 2020 @ 1900 --- William Heard, then saw 1'-2' boil on the nw side of the pool from Aurum. This was the only such boiling episode witnessed since 18:00. Runoff shoulder has some water but appears to have decreased volume since my last observation. Vault is high with light bubbles and Infant is high with muddy water and some splotchy areas of mud around the pool rim.
16221 21 Sep 2020 @ 1645 --- JarnoO (wc) Not much change in status quo since my previous note. In sunlight the SE runoff is quite dark, nearly black in certain spots. Occasional boiling episodes today spaced minutes to hours apart, including two fairly decent ones in the afternoon at the NE and N rim. Haven't seen much SE rim involvement other than a few steam pushes in the morning after the fog had cleared after 0900-ish. Did see a big, dense push before the fog had lifted (even after taking into account temperatures and humidity), which may have had its origins at the SE or NE rim.
16203 20 Sep 2020 @ 0940 --- Ben VL Water level perhaps slightly higher than yesterday, and the slope behind teakettle is more wet than yesterday. The area directly to the right of Vault looks wet.
16198 19 Sep 2020 @ 1528 19 Sep 2020 @ 1555 JarnoO (wc) Series of "quickfire" N semicircle boils 1528ie, varying from only inferrable by steam to clearly visible spaced apart seconds to minutes. Most boils were at the N rim, with the occasional boil at the NE or NW rim. Once again little to no SE rim involvement. Also noteworthy is that the already dark runoff appears to have darkened further since this morning, with *steamy* SE runoff persisting for much of the day. I suspect this steam is mainly due to lower temperatures today than yesterday - low 50s°F compared with low 70s°F yesterday, but included it nonetheless since I don't remember seeing as much yesterday morning, when the temperatures were lower than or comparable to today. A smoother stream would help, since this choppy mess of slideshow "stream" isn't making things easier.
16189 19 Sep 2020 @ 0830 19 Sep 2020 @ 0842 TheHikingDude (wc) Giantess during this time had several bursts of forced steam, each steam burst followed by 1-3 one foot boils.
16184 18 Sep 2020 @ 1850 18 Sep 2020 @ 2035 William No significant boils or rim boiling during observation. Runoff channel down the NE shoulder is wet but not trickling or pooling. Vault is at typical level with bubbles in the back of the pool. Infant is high with muddy brown water which seems to clearing with muddy splotches in the back half of the pool.
16181 18 Sep 2020 @ 1659 18 Sep 2020 @ 1915 JarnoO (wc) Winds have decreased after being unfavorably strong for much of the afternoon, with few boiling episodes noted. Interesting was that these boiling episodes were primarily at SE rim, with little involvement of the N rim. 1659 strong, bubble shower-like N rim boils covering the NW quadrant of the pool and some of the SW and NE quadrants, enough to make my heart go racing and to have noticeable shaking due to adrenaline rush. Of lesser magnitude 1703. More focused N rim boils 1719, height 1-2 feet. Of same size but short-lived 1724. N rim to center 1725, 1727. N rim 1729. Weak N rim 1736. NE rim 1741. Center pool 1744. SE steamy overflow becoming very noticeable. N rim weak 1747. Big NE rim 1749. [break]. Winds increased inbetween 1754 and 1808. N & NE rim 1821, weak. Pool appears to still be hot and overflowing copiously at the SE rim as of 1915, but haven't seen any boiling episodes since 1821. Wouldn't be surprised in the sense of unexpectedness if it goes tomorrow morning, if not overnight should it maintain status quo.
16170 18 Sep 2020 @ 0947 --- Graham Boil. Also 0955 1 foot at keast out water out NE side, 1010, 1013, 1018, 1026,
16162 18 Sep 2020 @ 0723 --- TheHikingDude 2 forced steam bursts at this time(I assume associated with big boils but hard to tell due to Geyser Hill steam)
16157 17 Sep 2020 @ 0630 17 Sep 2020 @ 2000 K.Cooper (WC), multiple periods of heavy boiling throughout the day, wind speed remained high and during the windy times, there was minimally boiling. Giantess was responding to calm periods with boiling, many of which were on the N or NE side of the pool, and a few were sustained. Earlier in the morning, the pool had excessive steaming and what appeared to be a good runoff and pool level the entire day. The largest boiling episodes of the day were noted at 1218, 1221, 1224, and 1230. There was likely boiling episodes early in the morning before the wind picked up as can be inferred by the heavy steam (already taking into account the temperatures)
16154 17 Sep 2020 @ 1330 17 Sep 2020 @ 1500 Ben VL Fresh runoff on the slope behind teakettle. Occasional simmering boil on the N/NE rim. Pool is just below the rim. NPS also installed a logger today.
16153 17 Sep 2020 @ 1211 17 Sep 2020 @ 1231 JarnoO (wc) Wind calmed down. Giantess responded by heating up and notable rim boils in the northern semicircle. 1218 NE rim, 1221 N rim, 1224 N rim, late 1230 NW quadrant sustained into mid-1231, about a foot tall and 4-5 wide per chat page viewer.
16142 16 Sep 2020 @ 1720 --- JarnoO (wc) Over the course of the day, Giantess started to widen its SE runoff source more to the south. Total runoff area is now about the same as it was before it erupted last time. Have seen a few light boils (bubble shower-like, if you will) at the SE rim and another one in the center of the pool. The latter also sustained the longest, about 45 to 60 seconds. Other than that there was a 1-2-foot SE rim boil after 0811 and before the wind had increased around noon.
16141 16 Sep 2020 @ 0811 --- TheHikingDude (wc) Giantess is in heavy overflow and several big boils happened.
16139 15 Sep 2020 @ 0910 --- JarnoO (wc) Looks very active this morning. Have seen multiple episodes of forced steam only minutes apart around 0600-0700. 0908 had inferred SE rim boils, joined later by inferred N rim boils. SE rim boils did die down within a few seconds of the N rim boils. Not quite there yet I would say.
16131 14 Sep 2020 @ 1740 --- Ben VL Giantess' pool is calm and lower than this morning. Water level is just below the sharp rim on the NE side. There is still some water in the runoff area on the North side of Giantess, but it does not extend down the slope. Vault has risen to just over an inch below the back rim.
16125 14 Sep 2020 @ 1120 --- Ben VL Giantess' water level is high. It is resting above the sharp rim on the NE side. There is a little bit of runoff on the slope behind teakettle, and the channel on the NE side of Giantess is damp as well.
16126 14 Sep 2020 @ 1115 --- JarnoO (wc) Within not even 24 hours, Giantess' SE runoff has transformed from being light gray (due to its formations drying out after the eruption) to dark gray, which is indicative of heavy overflow. This was already becoming visible yesterday, with a light gray formation that morning and a dark gray formation in the afternoon. However, the SE runoff doesn't quite yet have the width it had for the previous eruptions at its origin, so the next opportunity might be a few days away still. This does not take away that I've seen (or inferred based on forced steam) a few decent-looking boiling episodes.
16121 14 Sep 2020 @ 0656 --- K.Cooper (wc) Definitely overflowing, white bacteria mats are beginning to turn darker. Possible boiling as the camera panned over at 0655, as there was a period of forced steam for a few seconds.
16117 13 Sep 2020 @ 1938 --- Graham Steam in the runoff channel, must be overflowing.
16102 13 Sep 2020 @ 1202 --- WillBoekel at or just below overflow by about an inch
16094 12 Sep 2020 @ 1830 --- Graham No water visible but it is steamy.
16078 12 Sep 2020 @ 1010 --- TheHikingDude Giantess is completely empty and the platform its on is completely dry.
16069 11 Sep 2020 @ 1829 --- Graham Big bursts d7m.
16067 11 Sep 2020 @ 1650 --- Graham Big bursts d7m
16064 11 Sep 2020 @ 1534 --- Graham Big bursts d7m
16062 11 Sep 2020 @ 1439 --- Graham Big bursts d8m
16061 11 Sep 2020 @ 1354 --- Graham Big bursts d7m
16059 11 Sep 2020 @ 1313 --- Graham Big bursts d8m.
16058 11 Sep 2020 @ 1219 --- Graham Big bursts d8m
16057 11 Sep 2020 @ 1107 --- Graham Big bursts d7m.
16056 11 Sep 2020 @ 1009 --- Graham Big bursts. d10m
16053 11 Sep 2020 @ 0912 --- Graham Big bursting for 9m.
16043 11 Sep 2020 @ 0432 --- Graham Giantess still ie with a burst in progress. Stronger st 0439. Serenaded by bugling elk. Burst ended 0454. Burst 0528ie ended 0539. Burst 0551 weak still at 0619. Strong 0625. Burst ended 0631. 0912 big stuff d9m.
16042 11 Sep 2020 @ 0337 --- ltgangi giantess had burst start at 03:37 as viewed from WC. Viewing conditions dark but clear after a few minutes though camera lost focus. I ran get video for 13 mins.
16031 09 Sep 2020 @ 1900 09 Sep 2020 @ 2015 William Observed several 2' boils from the southeast and northwest corners of the pool. Durations ~15-20s. Rim of the pool displaying intermittent boiling. Northwest runoff channel is wet. Vault has high resting water and light bubbling from the back corners of the pool. Infant is very high with light brown water.
16028 09 Sep 2020 @ 1731 --- K.Cooper EricZ first noticed this boil. Started at 17:31:35, sustained along the northern side 1-2ft for 23 seconds. Some follow up boiling continued until the end of Beehives eruption.
16027 09 Sep 2020 @ 1100 --- JarnoO (wc) 1100:00; center pool boil sustaining for 20s. Height 1-2 feet. Wind is strong enough to blow steam nearly horizontally to the southwest.
16022 08 Sep 2020 @ 1837 --- K.Cooper Large central boiling in the center of the pool; estimated 2ft high and sustained. 4 to 5ft wide (at least). These have been noticed throughout the day.
15998 06 Sep 2020 @ 1500 --- JarnoO (wc) Over the past few days, Giantess' unbleached southeastern runoff area has changed gradually from roughly cream white to gray to dark gray and, as of today, almost black in a few spots, which is consistent with increased overall runoff covering areas which usually don't get much water. There have been several boiling episodes as well, a few of which got me to the edge of my chair. Another observation is that boiling episodes appear to be less common (or nearly invisible) in the afternoon and evening than in the morning, which coincides with increasing winds as the day passes. Boiling episodes seem to be minutes to hours apart based on forced steam, especially the better ones. They appear to be sustaining for about half a minute as rough maximum, with the odd one out lasting longer (one of which I observed lasted ±1 minute based on forced steam). In that regard not much has changed since the 26 August 2020 eruption, however, it did get to this state within 9 days, whereas before the eruption it took a week or more to see any significant change.
15995 06 Sep 2020 @ 1012 --- JarnoO (wc) Large SE rim boils just as the cam zoomed in on Aurum. Very white water, height 2-3 feet.
15970 05 Sep 2020 @ 1028 --- JarnoO (wc) Sustained boiling migrated from SW rim to SE rim starting @ 1028:41 and ended @ 1029:06. Height perhaps 1-2, maybe 3 feet.
15930 02 Sep 2020 @ 0942 02 Sep 2020 @ 0943 ltgangi appears the bacteria mat is reestablishing itself to the right where steaming runoff can be seen from cam
15903 31 Aug 2020 @ 0918 --- JarnoO (wc) Appeared to have had a boiling episode (likely SE rim) in this minute accompanied by very forced steam and steadily steamier runoff before it calmed down.
15895 30 Aug 2020 @ 1010 --- JarnoO (wc) Pool appears to be full.
15914 30 Aug 2020 @ 0606 30 Aug 2020 @ 0607 ltgangi giantess appeared to be full and we observed steamy runoff on the right hand side as viewed by cam.
15779 29 Aug 2020 @ 1135 --- Tara Pool is calm abd has refilled to within about 6" of rim.
15775 28 Aug 2020 @ 2000 28 Aug 2020 @ 2130 William Light steam with occasional weak pushes of steam. Vault quiet. Infant is intermittently boiling to 2' with water level 4" below the crater rim and has exposed an inner rim on the close side to the boardwalk.
15760 28 Aug 2020 @ 0838 --- underarockphoto Spritzing at the start of an extended steam huff. Still technically ie at 47H 38M
15757 27 Aug 2020 @ 1911 27 Aug 2020 @ 2045 William last observed bursting from Giantess started at 19:11. A few audible surges within the crater but no more water ejected during this time.
15752 27 Aug 2020 @ 1659 --- iflykc10s Some strong bursts at 16:48. Photos on FB.
15742 27 Aug 2020 @ 0450 --- underarockphoto Giantess is still IE, lit up by frequent lightning.
15486 10 Aug 2020 @ 1109 --- JarnoO (wc) North rim boils for 13s. A tad bigger than the previous boils seen, but was primarily concentrated on one spot rather than an area.
15359 04 Aug 2020 @ 1330 04 Aug 2020 @ 1331 JarnoO (wc) Two boiling episodes in this time frame. 1) Southeastern rim for 6s starting @ 1330:21 and 2) Center of pool for 10s starting @ 1331:36 at south rim and migrated within seconds to center of pool. Both heights perhaps 1 foot, maybe 2.
15148 02 Aug 2020 @ 0949 02 Aug 2020 @ 1000 JarnoO (wc) Observed several boiling episodes during this timeframe. 0949 ie southeast rim 1-2 feet; 0950 suspect southeast rim; 0952 10s southeast rim 1-2 feet; 0954 early suspect southeast rim; 0954:48 24s southeast rim up to 2 feet; 0958:12 50s north rim vigorous up to 2 feet, perhaps lucky 3; 0959:42 27s southeastern quadrant (perhaps eastern half) vigorous up to 2 feet, perhaps optimistic 3; mid-1000 suspect north or southeast rim before cam panned away.
15134 31 Jul 2020 @ 1916 --- JarnoO (wc) North rim boils for a few seconds. Height appeared to be never higher than a foot.
15133 31 Jul 2020 @ 1736 --- JarnoO (wc) North rim boils >7s (cam panned away). Height before panning away at most a foot, though began picking up height just as it went out of frame. Probably no higher than 2 though.
15135 31 Jul 2020 @ 1412 --- JarnoO (wc) North rim boils 12s. Height 1-2 feet.
15130 31 Jul 2020 @ 1257 --- JarnoO (wc) North rim boils 9s. Height 1 foot, perhaps a lucky 2 feet.
15114 27 Jul 2020 @ 1402 --- JarnoO (wc) Boiling for ±32s in southeastern quadrant, with about the first 10 seconds also incorporating parts of the southwestern quadrant. Height 1-2 feet. Did not feature much of a pause like the 17 July 1138 boiling episode. Rather, there was a period of calm with boiling exclusive to the southeastern rim with the remainder of the area slightly lighter blue than the rest of the pool, followed by boiling in much of the southeastern quadrant before going flat.
15052 20 Jul 2020 @ 1650 --- JarnoO (wc) Boiling for about 12 seconds along southeastern rim. Height 2-3 feet.
15051 20 Jul 2020 @ 1615 --- JarnoO (wc) Sustained, 29s boil to about a foot (maybe 2) at northeastern rim. Started at the eastern edge and later migrated slightly westward to northern rim.
15048 20 Jul 2020 @ 1155 --- KevinS 6-7” boil 3’ wide on north rim. Duration 5 seconds.
15047 20 Jul 2020 @ 1105 --- KevinS Boils up to 3” height lasting 5 seconds. Boils on North side.
15037 19 Jul 2020 @ 1542 --- Forestbewithyou (wc) Large and tall area of boiling on the center to south-east ridge of the pool. Sustained for 18 seconds without any pauses. Height estimate is 4-5 ft. Pool calm and placid at 1543.
15017 17 Jul 2020 @ 1138 --- JarnoO (wc) wide area of boiling center to south-east edge of pool. Held for 26 seconds with a pause about half-way. Height estimate 1-2 feet before pause (revised down based on later insight). 3-4 feet per RyanM. Less intense 1140.
14901 07 Jul 2020 @ 0526 --- underarockphoto Boiling/surging popped a nice steam cloud. Steamy runoff down much of the way towards the boardwalk by little squirt.
14215 19 May 2020 @ 1318 --- Janet Jones Steady trickle of water coming from Giantess toward Vault and Teakettle.
14211 19 May 2020 @ 0835 --- underarockphoto Long push. What appeared to be visible white water down the south channels. Lots of steam.
14210 19 May 2020 @ 0830 --- underarockphoto Another surge from Giantess, water mostly to the south with some to the north. Light makes it hard to see boils so I can only assume its general levels of overflow. Surges continue every few minutes to ten minutes, this will be my last note unless there is something major.
14209 19 May 2020 @ 0812 --- underarockphoto Another discreet surge from Giantess with a forced steam column. Water overflowed towards Vault and a steamy wave down towards Silver Spring. These steam surges are happening every two-five minutes.
14208 19 May 2020 @ 0809 --- underarockphoto Sustained surge from Giantess put steamy runoff towards Vault.
14172 14 Apr 2020 @ 0800 --- underarockphoto NOT an April Fool's Joke. Substantial boil on Giantess at this time. The cam panned away but for a second I thought it was actually starting. https://www.youtube.com/watch?v=4N5rzfRtDJ0&feature=youtu.be Boil was at 08:00:36 and appears to be possibly up to 5-6ft high.
14023 06 Dec 2019 @ 0832 --- underarockphoto Appeared to have two boils, both enough size to make a sizeable steam plume. Very brief, lasting only a few seconds - about a minute apart. Weather is 25°F and Giantess has a fairly light steam plume - this was notably larger than its normal steam. Almost certainly just a ho-hum boil, but the timing made me leave the note.
14009 08 Nov 2019 @ 1347 --- Kitt B Nice boil on Giantess.
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.
EntrySourceLinkComment
10 Sep 2020 @ 1512 JSJ https://www.youtube.com/watch?v=GEIwktY_oqk Web camera video of the first 1.25 hours of Giantess Geyser's eruption on 10 September 2020.
26 Aug 2020 @ 0902 JSJ https://www.youtube.com/watch?v=OF1DNQP0zY8 Web camera screen capture video of Giantess Geyser's 26 August 2020 eruption (= first ~20 minutes of "Burst 2", from ~9:40 AM to ~10:01 AM).
26 Aug 2020 @ 0903 JoeN https://youtu.be/RYdQak2LSTM as seen from streaming camera
26 Aug 2020 @ 0902 JoeN https://youtu.be/RYdQak2LSTM Giantess as seen from NPS streaming camera
26 Aug 2020 @ 0903 JarnoO https://drive.google.com/drive/folders/1BahGCrVPBRzOheTpen4VkdvBol99WLhb?usp=sharing Folder with data containing seismic signal from Giantess. The north-south displacement channel (HHN) is used, as both HHZ (vertical displacement) and HHE (east-west displacement) are malfunctioning.
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.
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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