| Note ID | Start Time (US/Mountain) | End Time (US/Mountain) | Entrant | Note |
| 37914 |
07 Nov 2024 @ 1142 |
--- |
SantaFe108 |
Low! 3-4in below rim with light runoff entering from Colloidal. Son of Scummy boiling and overflowing. |
| 37864 |
31 Oct 2024 @ 0901 |
--- |
MAB |
still lower then Son of Scummy - small boils mostly on south end - Son of Scummy not as vigorous as 29th |
| 37820 |
29 Oct 2024 @ 0954 |
--- |
MAB |
still 3-5in low - smaller and more plentiful bubbles but not really a boil - Son of Scummy IE in rolling boil w occasional splashes on its higher level - channel from Colloidal into Scummy flowing well but not full |
| 37770 |
25 Oct 2024 @ 1500 |
--- |
MAB |
about 3in lower than Tues and lower than Son o Scummy - channel from Colloidal is low but not empty - same boils as Tues - Son of Scummy boils bigger than Tues but didn't seem really stinky! |
| 37712 |
24 Oct 2024 @ 1152 |
--- |
SantaFe108 |
Low, boiling from side facing Ledge. Son of Scummy has a rooling boil, borderline small splashing. |
| 37678 |
22 Oct 2024 @ 1503 |
--- |
MAB |
All pools connected w light boil in southern pool - Son of Scummy stronger boil |
| 36802 |
06 Sep 2024 @ 1328 |
--- |
cb |
opalescent blue in color. Slight tiny bubbles in the far end of the pool closest to Ledge. Son of Scummy is also turquoise blue with a slight blooping boil 3" or so. |
| 34231 |
19 Apr 2024 @ 0910 |
--- |
MAB |
very full and quiet - water level connecting to Son of Scummy - Son of S also looked hotter than Scummy on FLIR |
| 29315 |
31 Oct 2023 @ 1659 |
--- |
MAB |
full or near full - so hot and steamy in the morn nothing was visible but waves in Son Of S. @1700 could see strong boil in the SE lobe closest to Ledge and the center boil in Son of S. |
| 29048 |
22 Oct 2023 @ 1306 |
--- |
SantaFe108 |
Still a couple inches down with boiling on the left side and in Son of Scummy. |
| 28938 |
20 Oct 2023 @ 1656 |
--- |
MAB |
Son of Scummy large boils as seen from path - did not go down to smell it :p |
| 28910 |
20 Oct 2023 @ 1039 |
--- |
MAB |
a few inches low - boiling most far left lobe - Son of Scummy strong center upwelling |
| 28885 |
19 Oct 2023 @ 1446 |
--- |
DanS |
Rolling boil at center of Northern pool. Smaller boils on South lobe of larger pool. |
| 28849 |
17 Oct 2023 @ 1359 |
--- |
MAB |
upwelling in SE lobe - weird color - Son of Scummy boiling wouldn't call it erupting |
| 28236 |
12 Sep 2023 @ 1300 |
12 Sep 2023 @ 1558 |
cb |
pool is seafoam green, calm and has looked like this all summer. Son of Scummy is also seafoam green with tennis ball sized bubbles occationally breaking the surface. |
| 25720 |
23 May 2023 @ 1117 |
--- |
cb |
Scummy pool and Son of Scummy are VERY high/flooded. Son of Scummy has slight convection waves. Scummy pool has an occational bubble that breaks the surface. color of both pools are a murky green |
| 25530 |
18 May 2023 @ 0905 |
--- |
MAB |
full and quiet |
| 25056 |
27 Feb 2023 @ 1400 |
--- |
MAB |
almost full to surrounding level - isolated boil in the lobe nearest Ledge - Son of Scummy more vigorous but not stinky |
| 24520 |
29 Oct 2022 @ 1807 |
--- |
MAB |
full - all pools connected w a few tiny bubbles - Son of Scummy as full with just the tiniest center blips |
| 24265 |
05 Oct 2022 @ 1450 |
--- |
cb |
Scummy & Son of Scummy are high and connected. A murky greenish color with light brown edges. no activity observed |
| 24066 |
24 Sep 2022 @ 1128 |
--- |
MAB |
pretty blue color - all pools same water level - Son of Sc quiet |
| 23416 |
26 Aug 2022 @ 1415 |
--- |
cb |
both pools are high and connected again. both are a milky turquoise blue color & ip to the rim. SOS has an occational bubble breaking the surface. |
| 23300 |
20 Aug 2022 @ 0920 |
--- |
steve |
Scummy Pool is blue and opalescent. |
| 23255 |
18 Aug 2022 @ 1842 |
--- |
MAB |
clear blue-green pools almost connected again - Son of Scummy platform area about 4in above neighbor Scummy dumping water into it |
| 29097 |
16 Aug 2022 @ 1200 |
--- |
research-mab |
8/16/2022 - no time noted - Scummy Pool is very full and blue – it’s been a while since we've seen that! |
| 23052 |
05 Aug 2022 @ 1307 |
--- |
cb |
A cloudy light blue color, a few bubbles, ~6" higher than last note. (~8" below overflow) Son of Scummy is a cloudy light blue color, light 4" roiling boil and the pool only rising up and down by a few inches, a fairly steady height at just below overflow. |
| 23006 |
03 Aug 2022 @ 1135 |
--- |
cb |
Scummy pool has come up and is ~1' below the rim. it is a cloudy colloidal blue color. Son of Scummy is light brown/slightly blue in color with a roiling boil. pool level fluctuates between overflowing to 8"-10" below overflow. |
| 29095 |
01 Aug 2022 @ 1200 |
--- |
research-mab |
8/01/2022 - no time noted - Scummy turning blue |
| 29096 |
01 Aug 2022 @ 1200 |
--- |
research-mab |
8/01/2022 - no time noted - Scummy & Son milky blue, clear edges _> larger son bubbling |
| 22854 |
26 Jul 2022 @ 0940 |
26 Jul 2022 @ 1142 |
cb |
no change. Scummy Pool is still 2'-3' down. Son of Scummy is still filling, erupting, dropping and refilling. S.O.S pool is milk chocolate colored, Scummy is a light greenish color |
| 22724 |
20 Jul 2022 @ 1030 |
20 Jul 2022 @ 1146 |
cb |
no change in either Son of Scummy or Scummy Pool. still active |
| 29086 |
16 Jul 2022 @ 1200 |
--- |
research-mab |
no time noted - 7/16
Hurricane Vent and Scummy Pool don’t seem as dark brown. Maybe changing color |
| 22622 |
16 Jul 2022 @ 1146 |
--- |
cb |
Scummy pool is higher, 1' below overflow & no boil. Som of Scummy is not as active as it has been. pool is not draining as far down and it has a 1' roiling boil. Rain run off from 2 afternoon thunderstorms? |
| 22543 |
13 Jul 2022 @ 1346 |
--- |
cb |
no change. Did see 1 spike from Son of Scummy that was ~7' high! |
| 22527 |
12 Jul 2022 @ 1130 |
12 Jul 2022 @ 1559 |
cb |
same activity as past week. Scummy pool is 3' below rim. Son of Scummy is filling and dropping with 3' bursts within both cycles (low and high) |
| 29078 |
08 Jul 2022 @ 1200 |
--- |
research-mab |
- no time noted - 7/8/22 – Congress Pool and Scummy low water levels |
| 22381 |
07 Jul 2022 @ 1015 |
--- |
steve |
Son of Scummy started 1015. |
| 22380 |
07 Jul 2022 @ 0952 |
--- |
steve |
Son of Scummy started from a low pool with some bursts in the 5-10 foot range. Stopped and dropped again at 1013. |
| 22378 |
07 Jul 2022 @ 0906 |
--- |
steve |
Scummy pool is about a foot and a half below overflow and Son of Scummy is I.E. Son of Scummy can reach 5-6 feet. Son of Scummy stopped and dropped about 0948. |
| 22351 |
06 Jul 2022 @ 0915 |
--- |
cb |
Scummy Pool is down a good 3' from the rim. milk chocolate brown and STINKS! Son of Scummy is cycling activity, pool drops 2' and it fills with bursts to ~3'. also milk chocolate color |
| 22284 |
02 Jul 2022 @ 1050 |
02 Jul 2022 @ 1246 |
cb |
Scummy pool is down 3' from rim with 2 areas that have a rolling boil. Son of Scummy pool is high and overflowing with at times a good 3' bursting rolling boil. |
| 22275 |
01 Jul 2022 @ 0835 |
01 Jul 2022 @ 1245 |
MAB |
2ft down - Son of Scummy still full and IE - steady stream of water flowing into Scummy from Sunday & Colloidal - some bursts from Son of Scummy rival Whirligig in height |
| 22241 |
30 Jun 2022 @ 1005 |
--- |
cb |
pool is down 2' below the rim, muddy brown & smells. Son of Scummy pool is down 1' and bursting with a roiling boil to 1.5'. Also muddy brown. 1008 refilling with a more vigorous boil. 1026ie full overflowing and bursting with a roiling boil to 1.5'. 1106 pool dropped agsin. |
| 22176 |
28 Jun 2022 @ 1353 |
--- |
cb |
pool down 1.5' & son of scummy is ie erupting with a blooping boil to 1' |
| 22170 |
27 Jun 2022 @ 0817 |
--- |
MAB |
LOW - including channel from Colloidal - Son of Scummy below ground level but much fuller than Scummy - Son of Scummy IE w 1-2ft stinky bursts |
| 21448 |
23 May 2022 @ 0848 |
--- |
MAB |
Son of Scummy aqua color in a light boil |
| 21031 |
18 Apr 2022 @ 1150 |
--- |
MAB |
visible now w wind! Full - Son of Scummy same level w center boil |
| 20204 |
29 Oct 2021 @ 0850 |
--- |
MAB |
Son of Scummy full and quiet |
| 20140 |
27 Oct 2021 @ 1032 |
--- |
cb |
& Son of Scummy, pools are high, clear blue green, and calm. |
| 20116 |
24 Oct 2021 @ 0854 |
--- |
MAB |
Full |
| 20000 |
16 Oct 2021 @ 1227 |
--- |
cb |
Pool is down ~4" from rim. The center is milky blue color, light brown on the edges. Son of Scummy is high and has a 2" roiling boil. Also is blue in the center. |
| 19912 |
06 Oct 2021 @ 1008 |
--- |
cb |
Scummy and Son of Scummy are overflowing and both have a roiling, blooping boil to 6" in the center of each pool.@ 1410 it has 5 smaller boiling points on the eastern edge of the pool and its stinky again! |
| 19895 |
05 Oct 2021 @ 1800 |
--- |
MAB |
Full and bluish - Son of Scummy IE |
| 19858 |
02 Oct 2021 @ 1313 |
--- |
cb |
pool is high and overflowing out channels toward Crackling lake. Color is murky brown/ green. Colloidal pool is overflowing into it. Son of Scummy is high & overflowing with a weak roiling boil. |
| 19705 |
23 Sep 2021 @ 1600 |
--- |
cb |
Scummy & Son of Scummy are very high and overflowing toward Colloidal pool. Son of Scummy has a 3" high roiling boil and water level is so high both features look connected. Colloidal pool is very high, turquoise blue and overflowing into Scummy pool. @ 1716 both pools dropped 3" below high water mark and Colloidal pool has dropped also and not overflowing into Scummy. |
| 19711 |
23 Sep 2021 @ 0902 |
--- |
MAB |
Full again including channel from Colloidal - water levels up elsewhere - too steamy to see Son Of S activity but it was full |
| 19616 |
16 Sep 2021 @ 1257 |
--- |
cb |
Scummy pool is down ~1.5' below the high water level. Colloidal pool runoff is running into SP. SP has a roiling boil on the edge toward Basin. Son of Scummy is filling, erupting & dropping in cycles. 6"-8" roiling boil then pool drops down ~1.5'. VERY STINKY STILL! |
| 19624 |
16 Sep 2021 @ 0852 |
--- |
MAB |
From above at top of path - Son of Scummy full - too steamy to see splashes- Scummy Pool still low |
| 19551 |
13 Sep 2021 @ 1532 |
--- |
CrisG |
increased foul odor noted from Constant bench. Noted Son of Scummy to be IE at this time. ended at 1606 and pool drained. Visitor during this time accurately described the scent as "It's like a river of death". Both pools with the foul odor. |
| 19530 |
13 Sep 2021 @ 1127 |
--- |
cb |
Scummy pool is down ~1.5', muddy light brown with patches of scummy/foamy stuff floating on the top
Son of Scummy is erupting to ~1.5' and is in a roiling vigorous boil. |
| 19546 |
13 Sep 2021 @ 0850 |
--- |
MAB |
LOW - maybe two feet down - all nearby channels dry with deep cracks- Son of Scummy full and bursting - really stinky - after return from a hike Son of Scummy low with some bursting - Colloidal Pool looks like it did something- all 3 pools are gunky brown |
| 18767 |
31 Jul 2021 @ 0840 |
--- |
MAB |
Low - Son of Scummy or Scummy's Drain was totally quiet - seen again blurping 849 |
| 18666 |
25 Jul 2021 @ 1818 |
--- |
cb |
Pool is down 2' |
| 18486 |
17 Jul 2021 @ 1934 |
--- |
cb |
Low pool. down a good 8 - 10". Son of Scummy has a 4" roiling boil and is separated from Scummy by 10' of muddy ground |
| 18393 |
12 Jul 2021 @ 1041 |
--- |
cb |
feature in the N end of the pool is erupting-1' |
| 18040 |
22 Jun 2021 @ 0853 |
--- |
MAB |
still low - pools not connected |
| 17549 |
07 Jun 2021 @ 0900 |
--- |
MAB |
low - pools not connected |
| 16949 |
28 Apr 2021 @ 0930 |
--- |
MAB |
water level down 4-6 inches - pools not connected - pretty blue color |
| 13048 |
05 Aug 2019 @ 0940 |
--- |
MAB |
low water ~ Son of Scummy w active boil |
| 29883 |
20 Jul 2000 @ 1200 |
--- |
research-mab |
7/20 - no time noted - "weak Disturbance" Scummy Pool, Colloidal Pool and Sunday Geyser are all “muddy”. |
| 30108 |
03 Aug 1995 @ 1200 |
--- |
research-mab |
8/3/1995 - no time noted - Scummy is still churning muddy grey in color. Primrose is empty still and Pinto has lower water levels approx 5” below rim. |
| 30092 |
29 Jul 1995 @ 1200 |
--- |
research-mab |
7/29/1995 Scummy is muddy and boiling. Monarch had heavy sizzling boils over the north vent w/no overflow. |
| 30072 |
15 Jul 1995 @ 1200 |
--- |
research-mab |
7/15/1995 - no time noted - Water level is low in the pool immediately NNW of Scummy and water continues to drain from Scummy into the low pool. |
| 30065 |
10 Jul 1995 @ 1200 |
--- |
research-mab |
7/10/1995 - no time noted - Scummy has boils & a pool to the north is low -”draining scummy”. |
| 30203 |
11 Sep 1994 @ 1200 |
--- |
research-mab |
9/11/1994 - no time noted - Scummy Pool continues with its water level fluctuations. |
| 30175 |
08 Aug 1994 @ 1200 |
--- |
research-mab |
8/8/1994 - no times noted - Disturbance continues!! Scummy Pool has heavy boil from three vents. |
| 33500 |
02 Aug 1992 @ 1200 |
--- |
research-mab |
8/2/1992 - no time noted - Porcelain Basin seems to have lowered water levels in Son of Scummy and Colloidal Pool. More mud is showing. |
| 30316 |
26 Apr 1992 @ 1200 |
--- |
research-mab |
4/26/1992 - no time noted - Scummy – calm |
| 30536 |
23 Jun 1991 @ 1200 |
--- |
research-mab |
6/23/91 - no time noted Scummy Pool is still large and boiling. The color of the water is not as brown. |
| 30532 |
22 Jun 1991 @ 1200 |
--- |
research-mab |
6/22/91 - no time noted -Scummy is still boiling vigorously. |
| 30523 |
18 Jun 1991 @ 1200 |
--- |
research-mab |
6/18/91 - no times noted - Porcelain very active. New Pool near Scummy & trail boiling heavily. A perpetually spouting black-rimmed vent below Ledge on the flat part. The fumerole near the little bridge going down to the ghost forest (near Junction) is spitting water. New mud pot has two craters. |
| 30519 |
16 Jun 1991 @ 1200 |
--- |
research-mab |
6/16/1991 - no times noted - “Mini-disturbance” began 5/27 and 6/6 –-Scummy pool – heavy boiling on SE end - Much hot water draining through Porcelain has “withered” algae beds to dull gray rather than their usual brilliant oranges |
| 30516 |
09 Jun 1991 @ 0903 |
--- |
research-mab |
6/9/1991 - inferred time after Valentine ie - What we call Scummy Geyser was stinking & spouting. |
| 4752 |
26 Jun 1989 @ 0000 |
--- |
research-mab |
6/26/1989
“New Scummy” or “Son of Scummy” gently overflowing this a.m. |
| 4751 |
24 Jun 1989 @ 1800 |
--- |
research-mab |
6/24/1989 NEW GEYSER NW side of Scummy Pool d=2m, drained. H20 level 2’ below rim. Had a distinct crater visible after drain one side of rim was broken up. Appeared to be long established. |
| 31256 |
20 Feb 1982 @ 1200 |
--- |
research-mab |
February 20 1982 - no time noted - Scummy Pool 128º beautiful bright blue pool with a little green algae along the rim |
| 31200 |
15 Jan 1982 @ 1200 |
--- |
research-mab |
January 15th, 1982 - no time noted - Scummy Pool 104º milky blue & calm |
| 31586 |
27 Nov 1981 @ 1200 |
--- |
research-mab |
Nov 27th 1981 - no time noted - Scummy Pool slightly turbid blue pool 134° |
| 31459 |
02 Aug 1981 @ 1200 |
--- |
research-mab |
Sunday August 2 1981 The Basin Wide Disturbance has occurred! - no time noted - Scummy Pool- Opaque gray water, 139ºF = = Colloidal - 187º 2 vents boiling to 1 foot – very dark grey-brown turbid water |
| 31796 |
22 Sep 1980 @ 1200 |
--- |
research-mab |
Monday Sept 22, 1980 - no time noted - One week following the disturbance, some porcelain basin observations: - Turbid white/blue, slight overflow 150ºF |
| 31614 |
08 Jun 1980 @ 1200 |
--- |
research-mab |
June 8 1980 - no time noted - Scummy – Blue-green and slightly turbid - 146ºF |
| 31988 |
27 Sep 1979 @ 1200 |
--- |
research-mab |
September 27 1979 - no time noted - – 147ºF – clearing up, murky blue-green color, calm. |
| 31949 |
20 Sep 1979 @ 1800 |
--- |
research-mab |
Thursday Sept 20 1979 - medium gray in color, gently bubbling – 136ºF |
| 31873 |
20 Jul 1979 @ 1200 |
--- |
research-mab |
July 20 1979 - no time noted - Water level in Scummy Pool way down. |
| 31870 |
15 Jul 1979 @ 1200 |
--- |
research-mab |
July 15 1979 - no time noted - SCUMMY Pool – Boiling at east side. |
| 31826 |
29 May 1979 @ 1200 |
--- |
research-mab |
May 29 1979 - no time noted - consists of about 6 or 7 interconnected pools. Most are beautifully blue but one has a dark grayish froth that that blows off the top. |
| 32194 |
09 Sep 1978 @ 1200 |
--- |
research-mab |
09/09/1978 - no time noted - Scummy Pool – was very murky grey- all blue coloration was gone – temp 134º |
| 32321 |
04 Sep 1977 @ 1200 |
--- |
research-mab |
09/04/1977 - no time noted - Scummy Pool is loosing much of its algae & thusly becoming murky grey.
= Colloidal’s water output has dropped an inch or so. |
| 32295 |
13 Aug 1977 @ 1200 |
--- |
research-mab |
08/13/1977 - no time noted - The Scummy Pool area is beginning to have some orange algae in the shallow areas. |
| 32529 |
03 Sep 1976 @ 1200 |
--- |
research-mab |
09/03/1976 - no time noted - Scummy Pool – area of new activity 194º |