| Note ID | Start Time (US/Mountain) | End Time (US/Mountain) | Entrant | Note |
| 22084 |
23 Jun 2022 @ 1612 |
--- |
cb |
Trio sinks area is still very active |
| 22082 |
23 Jun 2022 @ 1545 |
--- |
cb |
Norris Porcelain basin. Nuphar Lake is still VERY HIGH and the campground trail is unpassable due to high water, fallen trees over the walkway. Color is back to dark green |
| 22051 |
21 Jun 2022 @ 0900 |
--- |
Tara |
Old Bellefontaine, Fountain Group, LGB. Full and overflowing, had been below overflow on 6/20. |
| 22047 |
20 Jun 2022 @ 1555 |
20 Jun 2022 @ 2025 |
Tara |
Old Bellefontaine, Fountain Group, LGB. Water level just below overflow. Still not overflowing at 2025. |
| 22002 |
17 Jun 2022 @ 1245 |
17 Jun 2022 @ 1648 |
Tara |
Old Bellefontaine, Fountain Group, LGB. Water level down slightly, just below overflow at 1245. Remained this way until at least 1605. At 1648 it had reached overflow again with water extending 10-15' down the runoff channel. |
| 21996 |
16 Jun 2022 @ 1530 |
--- |
Tara |
Old Bellefontaine, Fountain Group, LGB. Full and overflowing, had been down a few inches at 2038 on 6/15 |
| 21989 |
15 Jun 2022 @ 2038 |
--- |
Tara |
Old Bellefontaine, Fountain Group, LGB. Water level below overflow, ~2-3" below rim. |
| 21984 |
15 Jun 2022 @ 1035 |
--- |
aferrara |
Black Pearl: Visible water splashing up vent, near constant, not leaving vent |
| 21608 |
31 May 2022 @ 1501 |
--- |
cb |
Norris back basin: Black Hermit Caldron has a ~1' in diameter vigorous boil on the south in of the pool. gray in color with black streaks |
| 21483 |
25 May 2022 @ 0730 |
--- |
TSBryan |
"Intersection Springs" one crater with two vents splashing plae brown water to maybe 18 inches |
| 21459 |
24 May 2022 @ 0924 |
--- |
TSBryan |
probably UNNG-ORG-2, possibly Demise Geyser, brief intermittent steam. |
| 21268 |
13 May 2022 @ 1835 |
--- |
Tara |
Old Bellefontaine, Fountain Group, LGB. Was full and overflowing at 1500, water level is now just below overflow. Runoff channels above (north) are also dry. |
| 21252 |
12 May 2022 @ 1923 |
--- |
Tara |
Old Bellefontaine, Fountain Group, LGB. Full and overflowing, possibly a bit higher than previous normal level. Runoff channels above (north of) it are also flowing again. Was seen empty on 5/6. |
| 21188 |
06 May 2022 @ 1444 |
--- |
Tara |
Old Bellefontaine, LGB Fountain group. water level completely out of sight. It is usually overflowing. the bacteria in the runoff channel is still orange. Also, it appears that some of the runoff channels uphill (north) of Old Bellefontaine are dry as well. |
| 21091 |
26 Apr 2022 @ 1701 |
--- |
MAB |
NGB: no specific time - Heavy steam seen a few times today and last week {from Vixen} in Son of Green Dragon area - by the time I moved for a clearer view didn't see vertical water but something is hot over there |
| 20884 |
15 Mar 2022 @ 0900 |
--- |
aferrara |
Spring across footpath from Marathon Pool vigorously boiling, slightly murky. |
| 20740 |
21 Jan 2022 @ 1315 |
--- |
aferrara |
Little spring North-Northwest of Little Brother constantly boiling and splashing, up to ~8" |
| 20238 |
31 Oct 2021 @ 1045 |
--- |
steve |
There is a small vent about 10 feet North of Rusty that is having rare small eruptions to an inch or two above ground. Maybe it is just bubbling that rarely gets high enough to see. |
| 20220 |
30 Oct 2021 @ 1000 |
--- |
DanS |
Primrose Springs: low constant spouting last 6 days when passing by. |
| 20096 |
24 Oct 2021 @ 0918 |
--- |
aferrara |
Just uphill from sputnik, just under a small boulder, small vent erupting 1-4" |
| 19857 |
02 Oct 2021 @ 1311 |
--- |
cb |
NGB: Feature between Constant and Colloidal is not active at this point. maybe cuz Fireball is ie |
| 19722 |
24 Sep 2021 @ 1151 |
--- |
Graham |
NPR Small round hole in vicinity of Africa has been splashing and overflowing all morning but stopped around the time Fireball started as it was flooded with water. Just blooping over the vent. during Fireball. resumed splashing once Fireball quit. |
| 19710 |
23 Sep 2021 @ 0930 |
--- |
MAB |
NGB: Water levels UP in many features including Glacial Melt which was dry every time I looked this season - rain or snow - who knows |
| 19483 |
11 Sep 2021 @ 1100 |
--- |
Graham |
Small round hole splashing in line between left side of Constant bench and large rocks on right side and behind Arsenic. Evidence of washed areas. When viewed from the boardwalk at the end of the Sunday Geyser straight, it's closest to the boardwalk and he way to Fireball. Round rim, maybe 1 foot across and slightly elevated with a rough pebble looking rim. Splashing is from a full pool from right side angled to the left. Splashes did not clear the pool. The runoff channel goes under the boardwalk at the bend close to Constant. Declined to just blooping from the right side during Fireball eruption. Resumed splashing when Fireball quit. |
| 19586 |
05 Sep 2021 @ 1607 |
--- |
Dave W |
UNNG-BBG-6 "Green Bubbler" - steaming ~10s with 1 light splash |
| 19585 |
05 Sep 2021 @ 1544 |
--- |
Dave W |
UNNG-BBG-6 "Green Bubbler" - steaming for ~10s with a single brief splash |
| 19584 |
05 Sep 2021 @ 1444 |
--- |
Dave W |
UNNG-BBG-6 "Green Bubbler" - steaming for 5s with a brief splash |
| 19582 |
05 Sep 2021 @ 1414 |
--- |
Dave W |
UNNG-BBG-6 "Green Bubbler" - heavy steam for 10s with 1 light splash |
| 19581 |
05 Sep 2021 @ 1408 |
--- |
Dave W |
UNNG-BBG-6 "Green Bubbler" - steaming but no visible water |
| 19497 |
04 Sep 2021 @ 1759 |
--- |
Dave W |
UNNG-BBG-6 "Green Bubbler" - steaming with two weak splashes |
| 19221 |
01 Sep 2021 @ 1925 |
01 Sep 2021 @ 1935 |
Micah Kipple |
UNNG-GHG-15: the northernmost vent is bursting 6"-1'. I have not observed it splashing this vigorously for the whole summer. I also suspect this activity is new based on the fact that larger splashes are striking gravel on the edges of the crater and washing it into the pool. Where suspended debris was already present when I walked up. |
| 19230 |
01 Sep 2021 @ 1624 |
--- |
MAB |
Norris: Sinks Trio - right lobe of the trio seen dry Aug 22 full - center lobe full - left lobe that was in high pressure steam now full and IE -
Crescent shaped pool behind had small boil not the vigorous IE seen when left lobe was in high pressure steam |
| 18993 |
22 Aug 2021 @ 1918 |
--- |
MAB |
Norris: Sinks Trio between Monarch and Minute in high pressure steam audible from Palpitator! Left lobe was the noisy steam vent - Right lobe completely dry- Center lobe IE - and the crescent pool behind the Trio was IE. Will try to find out when this change occurred |
| 18945 |
15 Aug 2021 @ 1130 |
--- |
Tara |
North Round Spring. Water level down, several inches below bacteria ring from "normal" level. East Round Spring water level rose by about a foot. This change occurred sometime after 2015 on 8/14. |
| 18938 |
14 Aug 2021 @ 1830 |
--- |
Tara |
North Round Spring. Water level way up, creating a pool 15-20' across, with tufts of green grass submerged. Light convection visible over vent. Water level was down in East Round Spring at this same time. |
| 18843 |
05 Aug 2021 @ 1409 |
05 Aug 2021 @ 1503 |
Micah Kipple |
(see East Sentinel note for context)
Between overflow cycles of East Sentinel, (about a 5 minute period) there is heavy gurgling and some steaming from Sentinel's side vents. But there is no evidence of eruptions recently, and no water was ever seen. |
| 18808 |
02 Aug 2021 @ 1124 |
--- |
SantaFe108 |
Morning Mist Geyser: steaming quietly with dry runoff channel. Seen from Mary Mountain trail. |
| 18654 |
25 Jul 2021 @ 0710 |
--- |
LynnS |
Arrive at Fountain Cimplex. PEANOt empty and quiet. Jet rumbling. Spasm empty and quiet. Jelly no water visible. Clepsydra active. Clepsydra’s side vent full. Thank |
| 18244 |
02 Jul 2021 @ 0745 |
02 Jul 2021 @ 1115 |
Graham |
Primrose Spring full with periods of bubbling for 3.5h. One drop at 0856 when the rock ledge in the pool was exposed. Fissure Spring full all the time. |
| 17451 |
04 Jun 2021 @ 1819 |
--- |
MAB |
NGB: Glacial Melt is nearly invisible with crumbled edges and no obvious pool - remaining yellow green water puddle is about 18in wide - Cats Eye active |
| 17367 |
30 May 2021 @ 1400 |
--- |
cb |
NGB. Nuphar Lake WAY over-full and opalescent seafoam green color. A lot if water is flowing into the lake from Porcelain Terraces. Good thing the boardwalk is there as the Water is on both sides of the boardwalk |
| 17239 |
28 May 2021 @ 1742 |
--- |
JSJ |
Unnamed geyser (UNNG) in the hook of the J-shaped pool between Young Hopeful Geyser & Gray Bulger Geyser. Located at 44º 32’ 38.36” North latitude, 110º 47’ 04.23” West longitude. Constant, low to moderately low doming-splashing. |
| 17238 |
28 May 2021 @ 1639 |
--- |
JSJ |
UNNG-WCG-7 in the White Creek Group, Lower Geyser Basin. Basin has no visible water, as seen from pullout. Steaming. |
| 17237 |
28 May 2021 @ 1633 |
--- |
JSJ |
Twin Butte Vista Spring - intermittent, low to moderately low splashing and occasional low spouting visible from road. Same behavior as in previous years. |
| 17063 |
12 May 2021 @ 1722 |
--- |
Tara |
Round Spring-LGB. Full to rim. |
| 17060 |
12 May 2021 @ 1600 |
--- |
Tara |
Round Spring-LGB. Water level down a few inches below rim. |
| 17073 |
12 May 2021 @ 0935 |
--- |
MAB |
NGB Porcelain- Lava Pool Complex- the little round spouter that was perpetual Apr 28 now forced steam w only occasional spits of water |
| 17039 |
09 May 2021 @ 1200 |
--- |
TheHikingDude |
The time is approximate. Dragons Mouth Spring at Mud Volcano suffered a small collapse today with the rocks blocking the flow of water. Photos in the Facebook page Yellowstone Up Close and Personal confirm it. |
| 16946 |
28 Apr 2021 @ 0930 |
28 Apr 2021 @ 1830 |
MAB |
NGB - the little circular orangeish spouter in Lava Pool Complex nearest the berm that has a nifty vortex drain appears to be perpetual |
| 16922 |
25 Apr 2021 @ 1927 |
--- |
DanS |
Round spring pool LGB - full overflowing and bubbling. |
| 16921 |
25 Apr 2021 @ 1705 |
--- |
DanS |
Round Spring pool LGB -refilling, now only a couple inches below rim. |
| 16920 |
25 Apr 2021 @ 1545 |
--- |
DanS |
Round Spring pool LGB - water level almost a foot below rim |
| 16916 |
25 Apr 2021 @ 1120 |
--- |
DanS |
Round Spring (Pool) LGB - bubbling and overflowing. |
| 16913 |
24 Apr 2021 @ 1730 |
--- |
DanS |
Round spring LGB - bubbling and overflowing. |
| 16912 |
24 Apr 2021 @ 0950 |
--- |
DanS |
Round Spring LGB - bubbling and overflowing. Was down below rim almost a foot last evening. |
| 16905 |
21 Apr 2021 @ 1500 |
21 Apr 2021 @ 1600 |
Micah Kipple |
OBSERVATIONS: Round Spring in the Thud Group is very hot, cyan blue in color, with energetic steam bubbles flaming at the bottom accompanied by lots of pops and rumbling. Overflow exits from either side of the spring (North and South) and heavy bacteria doesn't appear for several feet beyond the spring. I saw no wash or debris from a major eruption, and the activity and overflow appeared to be steady throughout my hour of observation. While there was no wash or debris, the high heat and vigorous flaming in the vent make me hesitate to rule out an eruption. The observations are thus inconclusive.
INTERPRETATIONS/THOUGHTS: I trust my coworker on what he saw, he was very specific, and I could imagine that a small 2-3 foot bursting eruption from Round Spring could get away without leaving any evidence. So I think it erupted but it was either a singular event, or it is erupting on long intervals. Further study and observations are needed. |
| 16904 |
21 Apr 2021 @ 1423 |
--- |
Micah Kipple |
My coworker Matt reported that he saw the spring (Round?) right next to the road in the Thud Group erupting 2-3 feet "Like a mini Sawmill" I am going to investigate and will report back with more details later. |
| 16841 |
04 Feb 2021 @ 1503 |
--- |
Micah Kipple |
Crackling lake spring/geyser (whatever the feature is on the backside. Is completely off. No splashing seen |
| 16840 |
04 Feb 2021 @ 1449 |
--- |
Micah Kipple |
The amount of water coming down from above Pinwheel has doubled since last week. Runoff is slightly cloudy now. |
| 16430 |
15 Oct 2020 @ 1418 |
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jonp |
Percolating Spring - WTGB. Continuous 1’ boil.
Is it possible to add this feature to the GeyserTimes database? Thank you. |
| 16050 |
06 Sep 2020 @ 0729 |
08 Sep 2020 @ 2129 |
underarockphoto |
Blue Mud Steam Vent was a steam vent until the snow storm, after which it was a perpetual spouter shooting mud 2-3ft. |
| 16048 |
06 Sep 2020 @ 0727 |
08 Sep 2020 @ 2127 |
underarockphoto |
Root stayed at a static water level. Cloudy, light boil, and smelly. Tuesday included the occasional "bloop" |
| 16046 |
06 Sep 2020 @ 0724 |
08 Sep 2020 @ 2124 |
underarockphoto |
Black Pit Spring, Norris Geyser Basin, next to Echinus. Frying pan all through Sunday into Monday afternoon. Wet boiling mudpot on Tuesday following the heavy rains. |
| 15740 |
26 Aug 2020 @ 1703 |
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Janet Jones |
Faint thumps heard in the East Chinaman Spring area. |
| 15737 |
26 Aug 2020 @ 1331 |
--- |
Janet Jones |
GHG-15 (UTF on the path to Solitary on the right side as you head to Solitary) is much hotter and seems to be enlarging under the boardwalk. It seems rangers are monitoring the temperature. Looks REALLY hot. The UTF on the left side of the boardwalk has no microbes and occasionally sends up bubbles.When I went back for more documentation photos, at 1620, the side of GHG-15 (right) closest to Geyser Hill was softly roaring like a fumarole, but the left side of the large opening still had water in it and the vent closest to Solitary was splashing away. |
| 15688 |
22 Aug 2020 @ 1129 |
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User34 |
"Silver Globe Pool" Water came up above the white line and back side of pool surged to a few inches. Water level drops during Slit and slowly recovers during quiet period |
| 15620 |
17 Aug 2020 @ 0828 |
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CraigC |
water spit above the surface on feature about 30 feet to the north of three sisters spring |
| 15585 |
15 Aug 2020 @ 1823 |
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bbev |
opal spring in moderate overflow |
| 15563 |
13 Aug 2020 @ 1301 |
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JSJ |
North Angle Geyser & unnamed geyser 5.5 meters northwest of Vertical Geyser in the Sprinkler Group (Lower Geyser Basin) were still active today - same episodic eruptive activity as reported earlier in August 2020. |
| 15470 |
09 Aug 2020 @ 1125 |
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aferrara |
Around this time a large plume of steam rose ~northwest of me as viewed from the boardwalk near Clepsydra, a mile or more out, along or beyond Tangled Creek. A feature I could not identify had surges of water visible with he naked eye from the FPP boardwalk, apparently voluminous, but not extremely tall. It subsided <5m after I began observing, with visible steam continuing until I left the area. Unsure what this could have been. |
| 15399 |
05 Aug 2020 @ 1200 |
--- |
JSJ |
Small, intermittent spitter west of Cauliflower Geyser (= just right of a sightline between Cauliflower & Island Geyser, as seen from the Artemisia Trail / Old Road). Possibly the feature seen on satellite imagery: 44° 29' 01.01" North latitude; 110° 51' 03.92" West longitude. Does this have a name? If so, I'm unaware of it. |
| 15573 |
04 Aug 2020 @ 1147 |
04 Aug 2020 @ 1252 |
Tara |
Small mud geyser along south side of spur boardwalk at Thumb Paint Pots, West Thumb Geyser Basin. Janet Jones and I referred to it as "WT-Mud." Though larger eruptions had been reported by rangers, the eruptions we saw varied from bubbling to less than 1 foot to vigorous bursting up to 3 feet high. Intervals ranged from 2 to 5 minutes and durations were 10 to 15 seconds. We noted that if a large bubble failed to trigger an eruption, the actual eruption that followed would be more powerful. Here are the times I recorded: 1147, 1149:38, 1152:04, 1155:38, 1159:08, 1202:46 (break) 1232:50, 1236:03, 1239:56, 1241:06, 1243:08, 1247:38, 1252:42. |
| 15377 |
04 Aug 2020 @ 1048 |
--- |
JSJ |
“South Sprinkler Geyser” - unnamed geyser (UNNG) located 11-12 meters due south of the Sprinkler Geyser complex (Sprinkler Group, Lower Geyser Basin); UNNG is apparently = vent 48 of Wolf & Paperiello, 1989 (Report on the Kaleidoscope & Sprinkler Groups); vent is at 44° 33’ 14.87” North latitude, 110° 48’ 39.63” West longitude. Active today, as usual (e.g., at 1048). Didn't try to get intervals. Same geyser as seen in: https://www.youtube.com/watch?v=SAFJ6HhPyZM |
| 15354 |
03 Aug 2020 @ 1645 |
--- |
JSJ |
UNNG-WCG-7 in the White Creek Group (Lower Geyser Basin) - basin full and very lightly overflowing to the north; moderately light to moderate bubbling & roiling over vent area. |
| 15353 |
03 Aug 2020 @ 1643 |
--- |
JSJ |
Twin Butte Vista Spring - visible low spouting from at least two closely-spaced sites/vents (seen from road). Activity continued for the ~1.75 hours under observation. |
| 15656 |
03 Aug 2020 @ 1030 |
--- |
Tara |
Root Pool, Norris GB. With Steamboat i.e., Root Pool had murky brown water and was about 1.5" down from the high water level mark. |
| 15146 |
01 Aug 2020 @ 1901 |
--- |
JSJ |
Perpetuals Pool of Butch Bach (Tangled Geysers Group, Lower Geyser Basin) - inactive. |
| 15143 |
01 Aug 2020 @ 1827 |
--- |
JSJ |
"Chunk Geyser" / "Piston Geyser" (next to Spasmodic in the Sawmill Group) - standing water in center of basin; pinkish-purplish staining in much of basin. |
| 14984 |
13 Jul 2020 @ 1429 |
13 Jul 2020 @ 1514 |
nails |
Viewed from bench at Constant. From the vantage point on bench the geyser is just beyond and to the right (upslope) of small trees growing on slope. Eruption is quick, thin bursting - hard to photograph due to short duration and distance away. Bursts/jets are at least twice the height of the nearby young trees on the slope. For multiple burst sets all the bursts occurred within a few seconds. 1429 2 bursts. 1438 5 bursts. 1453 1 burst. 1456 1 burst. 1500 1 burst. 1507 2 bursts. 1509 6 bursts. 1514 3 bursts. Hard for this observer to tell if these are distinct eruptions or just larger activity in a long duration event. Steam from feature waxed and waned, but would need binoculars to see if activity was continuous. Based on note from Mkeller on Saturday July 18, 2020 this feature is about 30 feet NW of Collapsed Cave geyser. |
| 14503 |
01 Jun 2020 @ 1458 |
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ypcaribou |
Puff N Stuff Geyser - Saw water spit about a foot above the cone multiple times. |
| 14222 |
19 May 2020 @ 1340 |
--- |
Janet Jones |
There were much higher water levels in the Frog Pools area including Liberty Pool. All of them were overflowing beyond their respective vents. |
| 14199 |
18 May 2020 @ 1439 |
--- |
Janet Jones |
"Nemo" (next to Anemone) has a new steaming hole near it - apparently created by bison as there are two smaller holes closer to the boardwalk that are about that size. And there's another hole in that area (also steaming) that was different before (half filled in or smaller? Need to check photos). |
| 13449 |
29 Aug 2019 @ 0928 |
--- |
steve |
Grey Bulger is perpetual but is only erupting from one vent |
| 13226 |
14 Aug 2019 @ 0807 |
--- |
dank |
South scalloped spring bubbles reaching over sinter from west edge of spring |
| 13700 |
13 Aug 2019 @ 1337 |
--- |
JSJ |
Pair Geyser (= RCN database name) in the southwestern Kaleidoscope Group (Lower Geyser Basin); vent is located at 44° 33' 15.35" North latitude, 110° 48' 48.74" West longitude. Basin moderately to nearly water-filled today (!). Bluish water. |
| 13398 |
13 Aug 2019 @ 1334 |
--- |
JSJ |
LKNN002 in the Kaleidoscope Group (= 12 meters southeast of Three Vent Geyser). Empty/dry/water out-of-sight, very unlike yesterday. |
| 13211 |
12 Aug 2019 @ 1725 |
--- |
JSJ |
Pink Cone's side vent - two small separate spits at 1725. Plus grumbling in subsurface conduit. |
| 13203 |
12 Aug 2019 @ 1040 |
12 Aug 2019 @ 1455 |
JSJ |
In the Sprinkler Group - LKNN019 and North Angle Geyser were active today, as usual. |
| 13209 |
12 Aug 2019 @ 1250 |
--- |
JSJ |
LKNN002 - basin & pool due southeast of Three Vent Geyser (Kaleidoscope Group, Lower Geyser Basin). Yesterday, its pool was a deep blue color. Today, the entire surrounding basin/depression was usually water-filled and often formed a continuous pool with a water-covered Kaleidoscope Geyser platform (to the right of 002). A narrow neck of water usually occurred between the two. |
| 13208 |
12 Aug 2019 @ 1052 |
--- |
JSJ |
Pair Geyser (= RCN database name) in the southwestern Kaleidoscope Group (Lower Geyser Basin); vent is located at 44° 33' 15.35" North latitude, 110° 48' 48.74" West longitude. Basin empty and lightly steaming in the late morning. |
| 13184 |
11 Aug 2019 @ 1314 |
--- |
JSJ |
Pair Geyser (= RCN database name) in the southwestern Kaleidoscope Group (Lower Geyser Basin); vent is located at 44° 33' 15.35" North latitude, 110° 48' 48.74" West longitude. Basin empty & dry & not steaming all afternoon. |
| 13179 |
11 Aug 2019 @ 1305 |
--- |
JSJ |
LKNN002 - basin & pool due southeast of Three Vent Geyser (Kaleidoscope Group, Lower Geyser Basin). Deep blue water ~filling basin - don't think I've ever seen this before. |
| 13114 |
08 Aug 2019 @ 1405 |
--- |
JSJ |
Limekiln Springs - frequent visible low to very low splashing from the summit. |
| 13057 |
05 Aug 2019 @ 1500 |
--- |
JSJ |
Unnamed geyser behind Gray Bulger Geyser. Cycling from off to 1-2 feet high eruptions, angled toward Firehole Lake. No discrete eruption starts: off to spitting to larger spitting, etc., to full eruption. See attachment. |
| 13008 |
03 Aug 2019 @ 1311 |
--- |
JSJ |
Perpetuals Pool of Butch Bach (Tangled Geysers Group, Lower Geyser Basin) - off / inactive. No activity at all in the Tangled Group this afternoon, except for East Tangled (TGG-1). No blippers even. |
| 12942 |
01 Aug 2019 @ 1321 |
--- |
JSJ |
Pair Geyser (= RCN database name) in the southwestern Kaleidoscope Group (Lower Geyser Basin); vent is located at 44° 33' 15.35" North latitude, 110° 48' 48.74" West longitude. No visible water; no steaming; basin appears dry. |
| 12507 |
16 Jul 2019 @ 1050 |
--- |
Janet Jones |
Bluebell and Seismograph Pools at West Thumb Geyser Basin were below overflow, but with a wet area above the water line. Wondering if they're now cycling. Never saw them below overflow until this year. |
| 11804 |
14 Jun 2019 @ 1343 |
--- |
JSJ |
A subaqueous vent is bubbling in the hook of the J-shaped pool (= far-western part of pool) in the Young Hopeful-Gray Bulger area. |
| 11803 |
14 Jun 2019 @ 1337 |
--- |
JSJ |
Four vents just to the north-northwest of the J-shaped pool in the Young Hopeful-Gray Bulger area are variably active. The farthest vent (northernmost) has the most sizable & most energetic episodic eruptions of the four. |
| 11800 |
14 Jun 2019 @ 1015 |
--- |
JSJ |
Spitter Spring active. Steam plume visible from Daisy Trail. |