Last Known Eruption
4d 14h 15m ago

Interval Statistics

Interval Count13
Min3h 42m
Max232d 23h 55m
Mean28d 22h 16m
Median7d 3h 54m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
35093 10 Jun 2024 @ 1257 --- SantaFe108 Sputtering a few feet high, runoff channels wet but water level out of sight. Up and left vent forcing steam.
34970 07 Jun 2024 @ 1330 --- CrisG huffing sounds like a steam locomotive chugging uphill. no water seen
34700 26 May 2024 @ 0812 --- ypcaribou Spritzing water out right side. Distinct separate area 3 ft to left hissing steam. New-to-me area about 40 ft to left on hill steaming out of orange rock.
34257 19 Apr 2024 @ 1528 --- MAB splashy and noisy but mostly spritzes not real splashing - crack vent to NE with strong forced steam
33935 26 Jan 2024 @ 1410 --- JR Mostly dry but pumping loud steam from upper vent.
33745 04 Jan 2024 @ 1544 --- Graham All steam, no water seen.
29028 22 Oct 2023 @ 0900 --- SantaFe108 Mostly steam with occasional droplets coming out, but still sounds wet at depth. Upper left vent is forcing steam. Black Hermit Caldron is full and possibly overflowing with boiling. (There is gray muddy runoff carved into the trail but it's hard to tell if it's flowing at all)
28972 21 Oct 2023 @ 1530 --- JR Strong activity but less water than I’ve seen over the past month or so.
28924 20 Oct 2023 @ 1602 --- MAB More steam less water! only a few spritzes from the lower vent that heavily sloshed most of the summer - the north end crack not hissing as incessantly or forcefully as before = Nearby a pool in the central flat of Peale 60 general area had a strong boil. Will read RPs 1984 report and dig up a name/number or history. Usually it's just a flat receptacle type puddle
28766 14 Oct 2023 @ 1319 --- SantaFe108 Perpetual splashing, sending water several feet out the vent and putting overflow down the channel. Top left vent in roaring steam.
28789 14 Oct 2023 @ 1225 --- MAB splashing the full length of the crack vent - more sloshy in lower vent close to BW - Far NE top crack hissing forcefully
29017 01 Oct 2023 @ 1030 --- research-mab 10/01/2023 1030am - Puff n Stuff Still very active. Lots of water splashing, “new” vent producing a lot of steam, loud.
28504 26 Sep 2023 @ 1712 --- MAB splashing full length of crack opening - high pitch steam noise coming from the most northern tiny crack area
28156 09 Sep 2023 @ 1540 --- steve As others have said, Puff n Stuff has water! I would call it a perpetual spouter.
29016 07 Sep 2023 @ 1200 --- research-mab WEEK OF 9-9 - No specific times noted - - Puff n Stuff geyser very active, sloshing water out of right vent and overflowing. Started at least 9/7 continued through 9/9
27341 30 Jul 2023 @ 0826 --- ypcaribou Crack in rock to left of main fissure was steaming as much as the usual spot. Don't recall seeing that area steam before.
27292 28 Jul 2023 @ 2032 --- SantaFe108 Wet spritzing with some putting a little bit of runoff down the right channel. Vent up and to the left loudly forcing steam.
27174 23 Jul 2023 @ 1426 --- mhreed Constant spitting.
29015 10 Jul 2023 @ 1200 --- research-mab 7/10/23 - no time noted - - Puff n Stuff had a lot of water coming out
26947 08 Jul 2023 @ 1927 08 Jul 2023 @ 1935 nails Very splashy. Some upwards splashes clear the crack by several feet, outward splashes (especially at right end) come out 3 or more feet. Enough water is splashing out to make a consistent trickling runoff around the Puff’n Stuff sign and along the boardwalk
29014 04 Jul 2023 @ 1005 --- research-mab 1005 am Puff n Stuff looking strong and splashing
26830 04 Jul 2023 @ 0905 --- MAB splashy but quite steamy - N-S crack to North moderately noisy forced steam
26399 17 Jun 2023 @ 1526 --- Craigmon99 Putting water down the runoff channel on larger bursts. Water is pooling about 8 inches below rim. Way more than I’ve ever seen it. Water is sloshing down runoff. Water is not dropping from high levels
26381 16 Jun 2023 @ 0925 --- CrisG light spashing with water making it out of the cone. Audible churning of water out of sight.
26047 05 Jun 2023 @ 0835 --- Graham Puff n Stuff few forced steam droplets compared to 5/29 last week. More like past years weak activity.
29012 16 Jul 2022 @ 1052 --- research-mab 7/16/22 Logbook: Puff n Stuff Geyser eruption @ 1052 am about 10-15 ft for 16 minutes
29011 11 Jul 2014 @ 1200 --- research-mab 7/11/2014 - no time noted - - Puff and Stuff Geyser has been spitting up water. I have gotten sprinkled with some while on the boardwalk
29010 26 Jul 2007 @ 1500 --- research-mab 7-26-07 Jake from the Volcano Observatory (at approximately 3pm) measured the gaseous fumes in the Puff ‘n Stuff and Minute Geyser area and found nothing unusual
29009 12 Jul 2007 @ 1705 --- research-mab 7/12/07 Noxious fumes by two visitors on Back Basin Loop, North of Puff ‘n Stuff. Visitors felt faint – 2 of them – age 42 and 17. - Recorded 5:05pm
29008 25 Jun 2006 @ 0915 --- research-mab 6/25/2006 - muddy runoff from Puff n Stuff 0915
29006 17 Jul 2005 @ 1200 --- research-mab 7/17/2005 - no time noted - Puff n Stuff lots of H2O spitting.
29061 02 Sep 1999 @ 1200 --- research-mab 1999 Listserv: 9/2/99 - {no specific time noted} Puff-N-Stuff – More water than I’ve ever seen is erupting out of this feature. Bursts of water to 5 ft are common; one burst even almost made it to the trail. Usually, this feature just produces steam or a very fine water spray. {also found in GOSA SPUT Oct 1999 V3 No5}
29005 26 Sep 1998 @ 1200 --- research-mab 9/26/1998 no time noted - - Puff -n-stuff had water -
29004 07 Jul 1998 @ 1200 --- research-mab July 7 1998 - no time noted - Black Hermit blue! - Puff and Stuff – noisy, heavy splashing killdeer in thermal gardens below P&S
29003 25 Jun 1995 @ 1200 --- research-mab 6-25-1995 - no time noted - - Puff ‘n’ Stuff particularly active with water shooting up and falling into run-off. Very steamy. {NOTE she actually wrote Puff n Snuff mab} Also in 3 lower rocks.
29002 08 Aug 1994 @ 1200 --- research-mab 8/8 Disturbance continues!! WOW!! A major water drop occurred. Levels in BB down 2”-18”. Pearl disappeared from sight in under 2 hours. Bastille increased in pressure. Ground temps around Bastille are still increasing! 3 geysers to the right of Butch.. [next pg] active to 3-12 feet. Butch is back after last evening’s lapse, with murky discharge to 2-3 feet. Son of Green Dragon is muddier and more active. From Yellow Funnel around to Puff ‘n’ Stuff increasing in activity.
29001 25 Apr 1994 @ 1200 --- research-mab 4-25-1994 - no time noted - Black Hermit is boiling nicely. What can you say about Puff ‘n Stuff?
29000 11 Sep 1993 @ 1200 --- research-mab 9-11-1993 - no time noted - Puff n Stuff is more like Growl n’ Roar today. Very loud & steamy.
28999 11 Aug 1993 @ 1200 --- research-mab 8-11-1993 - no time noted - Puff n Stuff appears to have a fresh runoff channel
28996 15 Sep 1992 @ 1200 --- research-mab 9-15-1992- no time noted Puff ‘n’ Stuff spouting more water today.
28997 10 Sep 1992 @ 1200 --- research-mab 9-10-1992- no time noted - the crack at Puf ‘n’ Stuff is still widening slowly
30455 30 Aug 1992 @ 1200 --- research-mab 8/30/1992 - no time noted- Geyser basins are holding their own. Visitation continues to slow. Cooking root smell near Puf n Stuff
30329 26 Apr 1992 @ 1200 --- research-mab 4/26/1992 - no time noted - - ‘Puf n Stuff’ - heavy steam, constant light spray
28994 19 Jun 1991 @ 1200 --- research-mab 6-19-91 - no time noted - There is a blue-grey runoff from Puff n’ Stuff Steam Vent that looks fairly recent, but the vent is no longer overflowing.
28992 16 May 1991 @ 1200 --- research-mab 5-16-91 - no time noted - Puff’n’Stuff – heavy steam with spits of water from left (high) side of vent.
30483 10 Feb 1991 @ 1200 --- research-mab 2/10/1991 - no time noted - -‘Puf ‘n’ Stuff is more active than I’ve ever seen it with lots of steam, rumbling and frequently light spray (It’s even got a small ice cone)
29060 21 Mar 1990 @ 1200 --- research-mab Report from R Paperiello to R Hutchinson March 21, 1990: {no specific time noted} Unusual sighting: There is a “new” vent opened a few feet below the main vent of Puff-n-Stuff. There is an obvious runoff channel coming from it which was wet and well defined but not used during the 5 or so minutes I stayed in the area. The algae mats below this opening are all dead.
30749 16 Sep 1989 @ 1200 --- research-mab 9/16/1989 - no time noted - Puf-n-Stuff erupted water to 8’ (reliable visitor report)
28991 08 Aug 1988 @ 1200 --- research-mab 8-8-88 -no time noted - Puff n Stuff shows orange & grey spiky deposits and continues to steam.
30822 06 Aug 1988 @ 1200 --- research-mab 8/6/1988 - no time noted - Puff ‘n Stuff – steam phase
28990 24 Aug 1987 @ 1200 --- research-mab 8-24-1987- no time noted- Puff ‘N Stuff – the light/greyish silting coming out of the feature is forming a new “stream” (small) channel on the left side of the other water channels leaving it.
28983 23 Aug 1987 @ 1200 --- research-mab 8-23-1987 - no time noted - 8/23/1987 -Puff ‘n Stuff shows an increase in grey silty runoff deposit.
29059 20 Aug 1987 @ 1200 --- research-mab no specific time noted - Puff-n-Stuff Geyser- No change except for on 8/20, I observed the pool in Puff-n-Stuff rise to where it could be seen from the trail. No change occurred in terms of height, but this is odd to say the least
29019 01 Oct 1984 @ 0000 --- research-mab no specific date or time - end of season annual report P. Allen & R Paperiello - - Puff N’ Stuff (118): perpetually sprayed clear water throughout the summer
28979 12 Jul 1984 @ 1200 --- research-mab 7-12-84- no time noted - Puff N’ Stuff seems hotter, more violent
28975 21 May 1983 @ 1200 --- research-mab 5-21-1983 - no time noted ~ afternoon- Puff n Stuff – normal activity- growling and spraying a slight amount of water.
31305 08 Jul 1982 @ 1200 --- research-mab 7/8/1982 - “About 1200” - Puff n’ Stuff -normal
28969 20 Feb 1982 @ 1200 --- research-mab 2-20-82 - no time noted - Puff & Stuff – 202º very noisy today with an occasional splash. Thick mats of green algae in runoff channel.
28964 14 Jan 1982 @ 1200 --- research-mab 1/14/82 - no time noted - Puff n Stuff – 200º gently steaming with occasional splashes
28961 02 Aug 1981 @ 1200 --- research-mab no time noted - Puff + Stuff – 200º noisy with splashes to 3’
28960 06 Jun 1981 @ 1200 --- research-mab No time noted - Puff ‘n Stuff – Gray opalescent water, spray to six feet- 200ºF
31740 07 Sep 1980 @ 1200 --- research-mab Sunday Sept 7 1980 - no time noted - Puff ‘n Stuff – Full of clear water, increased water level. 196°F
28959 23 Aug 1980 @ 1200 --- research-mab No time noted - Puff ‘n Stuff – Spraying water to 10 feet. Chugging loudly, perhaps more active, trickle of overflow 199ºF.
32008 28 Sep 1979 @ 1200 --- research-mab September 28 1979 - no time noted - Puff ‘n Stuff 198ºF
29018 25 Sep 1979 @ 1200 --- research-mab No specific time - - Annual report completed Sept 25 - - Puff ‘n Stuff certainly sounds as if some day a tremendous eruption will play from its crack vent. Especially toward late summer, this feature appeared to have an increased water level over the summer of 1979. Spray reached ten feet above the vent.
28958 21 Sep 1979 @ 1200 --- research-mab No time noted -{during Disturbance} Small circular pool approx 150 feet north of Puff ‘n Stuff. Tan-yellow water bubbling gently. Unchanged. 180ºF - - Puff ‘n Stuff Fairly heavy surges of water coming up through crack like vent. Wouldn’t be surprised to find a full fledged geyser here some day. Water grey-white. Temp – 199ºF
31940 18 Sep 1979 @ 1200 --- research-mab Sept 18 1979 - no time noted - Puff ‘n’ Stuff 202°
28957 25 May 1979 @ 1800 --- research-mab no time noted - Puff ‘n Stuff – 195º in water at bottom of crack
28955 23 Sep 1978 @ 1800 --- research-mab no time noted - • small sulfurous pool near boardwalk between H&S Puff m Stuff and Yellow Mud Pool (east side) has a pH of 2.5 • Black Hermit Cauldron 3.5 • Green Dragon Spring 3.5 • Emerald Spring 4.5 • Echinus Geyser 4.3
28954 15 Sep 1978 @ 1800 --- research-mab No time noted - H&S Puff n Stuff – 199ºF, mud hole north of H&S 177°F
28953 15 Apr 1978 @ 1800 --- research-mab No specific time noted - H&S Puff n Stuff - 202º
32051 25 Mar 1978 @ 1200 --- research-mab March 25 1978 - no time noted - H&S Puff ‘n Stuff – Arch Steam Vent – Both “normal”
28951 15 Jul 1975 @ 1800 --- research-mab {no specific time noted} A muddy spring across the trail from H&S Puff-n-Stuff is boiling quite vigorously - hadn’t noticed this type of action there before. NOTE: Puff n Stuff First mention in Annual reports in 1975 Annual report
33331 30 Sep 1973 @ 1200 --- research-mab 1973 – no time - H&S Puff ‘n Stuff - This feature showed dramatic changes over the summer, rather, its prominence led to its naming for the first time. All summer it continued pulsating heavy steam discharge, with minor spray. [NOTE no date in Thermal Record – EOM near end of season]
32734 08 Jun 1973 @ 1200 --- research-mab 06/08/1973 - no time noted - H&S Puff n stuff runoff 90°
No attachments for this geyser.
Baseline does not exist.