Note ID | Start Time (US/Mountain) | End Time (US/Mountain) | Entrant | Note |
37887 |
31 Oct 2024 @ 1637 |
--- |
SantaFe108 |
LOW! ~8ft below rim and bursting with gray muddy water. High water in the Muddy Sneaker Complex, NBK-4 "Arrow" has gray mud coating vent and platform. |
37832 |
29 Oct 2024 @ 1641 |
--- |
MAB |
essentially same as Sunday |
37793 |
27 Oct 2024 @ 1329 |
--- |
MAB |
low - only tips of splashes visible - Arrow NBK-4 not receiving flow but saw dirty splashes above the rim - no steam at 2nd pool of Hydrophane guess is water dropped |
37733 |
24 Oct 2024 @ 1606 |
--- |
SantaFe108 |
LOW! 4 feet below rim and angrily churning mud with occasional burp from the side vents. Muddy Sneaker Complex is high, NBK-4 "Arrow" calmly steaming with mud coating vent and surroundings. |
37649 |
19 Oct 2024 @ 1603 |
--- |
MAB |
dark gray real watery consistency with some flowing down into Arrow Spearpoint NBK4 |
37484 |
10 Oct 2024 @ 1026 |
--- |
SantaFe108 |
Very high, all vents inundated and boiling thru gray muddy water. Water level is high enough to seeping overflow out the back of both "ears". Muddy Sneaker Complex high, multiple pools with standing water. NBK-4 steaming with gray mud coating the inside of vent and platform. |
37371 |
03 Oct 2024 @ 1516 |
--- |
SantaFe108 |
HIGH! All 3 vents underwater, barely seeping blue muddy overflow from both "ears". Muddy Sneaker Complex is high, multiple pools with standing water. NBK-4 "Arrow" gently steaming with blue mud coating inside of vent and surrounding platform. |
37248 |
29 Sep 2024 @ 0932 |
--- |
TSBryan |
bubbling from several places but barely any runoff which looked sort of oily |
37206 |
28 Sep 2024 @ 0857 |
--- |
Graham |
In overflow with small steady boil. |
36585 |
27 Aug 2024 @ 1906 |
--- |
cb |
pool is HIGH. Just a few inches below its 2 side vents. water is dark chocolate brown and it's middle vent has a vigorous blooping boil. both side vents are also blooping to 4-6" |
36447 |
18 Aug 2024 @ 1242 |
--- |
Craigmon99 |
Still watery. Two vents bubbling |
35422 |
21 Jun 2024 @ 1523 |
--- |
nails |
Dark grey and watery. About 6 inches below level of side vents. |
35337 |
19 Jun 2024 @ 1047 |
--- |
Craigmon99 |
Watery. Faintly translucent on the edges. |
35338 |
19 Jun 2024 @ 1047 |
--- |
Craigmon99 |
Watery. Faintly translucent on the edges. |
35148 |
12 Jun 2024 @ 1303 |
--- |
CrisG |
still quite full. 2 side vents barely connected with water to main pool. |
35095 |
10 Jun 2024 @ 1302 |
--- |
SantaFe108 |
HIGH! 2 inches below overflow, covering all 3 vents. Lazy center and left vent boil, with grey muddy water. Muddy Sneaker Complex has high water, several pools including Arrow have visible water. |
34969 |
07 Jun 2024 @ 1323 |
--- |
CrisG |
thin blue grey mud. continuous boil about 1.5 ft from full. light bubbling in side vents |
34702 |
26 May 2024 @ 0827 |
--- |
ypcaribou |
Muddy gray thin condistency. Looking like Baby Yoda with its side vents |
34255 |
19 Apr 2024 @ 1520 |
--- |
MAB |
very dark churning visible water within 1.5ft of max fill - side vents noisily and humorously gurgling but no spritzes seen |
29320 |
31 Oct 2023 @ 1626 |
--- |
MAB |
quite violent not visible water - Arrow had steam that other pointy pool in Tangled Root had zero steam |
29026 |
22 Oct 2023 @ 0904 |
--- |
SantaFe108 |
Furiously churning mud about ~5 feet below the rim. Left side vent is spitting a little mud with right side vent completely quiet. One of the Muddy Sneaker Complex pools behind and to the left has water in it. NBK-4 appears to have mud coating the inside of the vent but was only steaming when I passed. |
28974 |
21 Oct 2023 @ 1535 |
--- |
JR |
So low you can’t see mud from the boardwalk looking in. Lots of gurgling and steam. Smells like smoked Pork Butt. |
28922 |
20 Oct 2023 @ 1556 |
--- |
MAB |
Low - vent was in the shade couldn't see water level but it dropped significantly since my last view. NBK4 steaming |
28892 |
19 Oct 2023 @ 1833 |
--- |
ypcaribou |
Muddy water barely visible in main vent but dplashing vig. right side wall appears to connect to right satellite hole! |
28878 |
19 Oct 2023 @ 1159 |
--- |
DanS |
Boiling and splashing |
28767 |
14 Oct 2023 @ 1322 |
--- |
SantaFe108 |
Churning mud in center vent, Side vents coated in mud and burping. NBK-4 "Arrow" lightly steaming. |
28577 |
30 Sep 2023 @ 0822 |
--- |
ypcaribou |
Vent bowl including the ear holes is dark gray almost black. splashy mud in main vent is s lighter but still dark gray. Gurgling from ears |
28506 |
26 Sep 2023 @ 1706 |
--- |
MAB |
Full violent churning dark dark mud - NBK4 {Arrow-Spearpoint} had visible steam but no water {or mud} visible - no water visible and very little steam from Hydrophane either |
28010 |
04 Sep 2023 @ 1639 |
--- |
cb |
water level is high in all 3 vents splashing blue mud in a 1' circumstance of each side vent |
27290 |
28 Jul 2023 @ 2025 |
--- |
SantaFe108 |
Angrily churning blue-grey mud. Both side vents coated in wet mud and loudly burping. NBK-4 "Arrow" steaming quietly |
27175 |
23 Jul 2023 @ 1429 |
--- |
mhreed |
Moderate roiling. Grey. |
26948 |
08 Jul 2023 @ 1938 |
--- |
nails |
Churning dark gray water. Vent to right is grumbling. |
26409 |
17 Jun 2023 @ 1515 |
--- |
SantaFe108 |
Churning mud in the center, Both side vents covered in wet mud but doing dry gurgling. |
26361 |
16 Jun 2023 @ 0933 |
--- |
CrisG |
center vent churning blue mud approx 2ft below edge of crater. side vents gurgling |
26311 |
14 Jun 2023 @ 1157 |
--- |
CrisG |
nearly full (approx 3" below rim of bowl on left side difficult to measure with sloshing) of blue grey water with moderate boil. side vents bubbling |
25863 |
28 May 2023 @ 1956 |
--- |
SantaFe108 |
Churning blue mud in center vent. Both vents on either side are dry making burping noises. |
25466 |
15 May 2023 @ 1922 |
--- |
ypcaribou |
Dark gray splashymud water. Still getting the gutteral burps from both side holes |
24596 |
30 Oct 2022 @ 1714 |
--- |
ypcaribou |
Full & splashing blue mud. The vents either side are still burping and now have blue mud lining them. Together, the 3 vents kinda resemble Baby Yoda |
24406 |
15 Oct 2022 @ 0943 |
--- |
MAB |
visible dark gray muddy water not too thick - vigorously splashing - nothing visible in side vents but they were noisy!
NBK4 steamy w no visible water |
24252 |
05 Oct 2022 @ 1240 |
--- |
cb |
Pool in the main vent is high, about 6" down from the rim closest to the bw, vigorous roiling boil with characteristically blue mud. Side vents are gurgling but not mud seen. |
24077 |
24 Sep 2022 @ 1554 |
--- |
CrisG |
churning boil of dark grey mud. side vents gurgling and popping. |
24078 |
24 Sep 2022 @ 1554 |
--- |
CrisG |
churning boil of dark grey mud. side vents gurgling and popping. |
23962 |
20 Sep 2022 @ 1656 |
--- |
ypcaribou |
Churning and splashing like a pot of noodles about to boil over. In slate gray mud! vent holes either side are making post root beer burping noises. |
23637 |
07 Sep 2022 @ 1145 |
--- |
MAB |
foot below east rim violently boiling - steam seen a few times from Vixen presumed from Blue Mud |
23501 |
31 Aug 2022 @ 1128 |
--- |
cb |
Vigorously churning and boiling to ~1'. Still throwing lihht blue mud. Side vent toward Green Dragon Springs has been cleared of sticks and debris, is gurgling but no visable water seen. |
29099 |
21 Aug 2022 @ 1200 |
--- |
research-mab |
8/21/2022 - no time noted - - Blue Mud Steam Vent is visible and bubbling loudly |
23326 |
21 Aug 2022 @ 1045 |
--- |
ypcaribou |
Muddy medium gray water low in vent splashing vigorously! |
23261 |
18 Aug 2022 @ 0937 |
--- |
MAB |
easily visible water level in a crazy but steady boil - approx a foot below lowest rim towards walk |
29092 |
14 Aug 2022 @ 1200 |
--- |
research-mab |
8/14/2022 - no time noted - Blue Mud Vent is half-full , 131.2° |
23078 |
06 Aug 2022 @ 1133 |
--- |
cb |
I can see water! visable pool of vigorously boiling splashing water at the bottom of the vent. Sides still covered in blue mud |
22985 |
02 Aug 2022 @ 1040 |
--- |
cb |
Water level below sight. tips of some splashes visable. Vent up to the rim is still coated in blue mud |
22740 |
20 Jul 2022 @ 1851 |
20 Jul 2022 @ 1854 |
nails |
Noisy splashing. Some dark muddy splashes can be seen in the bottom of the feature but water level is too far down to see from boardwalk. |
22320 |
04 Jul 2022 @ 1447 |
--- |
cb |
no more visable water. gurgling and splashes are VERY audible tho |
29076 |
03 Jul 2022 @ 1200 |
--- |
research-mab |
- no time noted -
7/3/22 Blue Mud Steam Vent is so low, I could not see any activity. There was still sound deep down. |
22198 |
29 Jun 2022 @ 0958 |
--- |
mwolf |
splashing barely visible |
22090 |
23 Jun 2022 @ 1803 |
--- |
cb |
main pool about 6" below rim closest to the boardwalk with a vigorous boil. side vents gurgling but no visable mud spray |
21609 |
31 May 2022 @ 1507 |
--- |
cb |
Vigorous blue mud roiling boil. Both side vents are clear of debris and active. |
21331 |
16 May 2022 @ 1117 |
--- |
Tara |
Water level about 3' down with vigorous bursting, muddy blue water. looks like there's some kind of metal bar in it. |
21014 |
18 Apr 2022 @ 1704 |
--- |
MAB |
visible boiling dark brown water a foot below high-mud mark - could hear growls in the side vent - Arrow NBK4 steamy w no visible water - nothing seen draining from the large NE Hydrophane either |
20249 |
31 Oct 2021 @ 1014 |
--- |
MAB |
noisy subterranean splashing - none visible above ground |
20052 |
19 Oct 2021 @ 1343 |
--- |
cb |
YAY! This has its own designation! Water no visible but VERY audible splashing. Mud is mostly white with a few areas that are returning to blue mud. Side vent on the left is steamy |
20581 |
30 Sep 2021 @ 1247 |
--- |
research-mab |
09/30/2021 CB 1247: BLUE MUD STEAM VENT has a audible boil very deep in the vent that has a Echo like sound to it. no visible water & the splash zone is white, not blue. the side vent towrd green dragon spring is white and just steamy - - https://geysertimes.org/note.php?id=19811 |
20580 |
23 Sep 2021 @ 1039 |
--- |
research-mab |
09/23/2021 CB 1039: BLUE MUD STEAM VENT still has no visable water or splashes but has very audible gurgling deep down in the vent, also the left side vent is mostly clear of debris and is steaming - - https://geysertimes.org/note.php?id=19699 |
20579 |
16 Sep 2021 @ 1041 |
--- |
research-mab |
09/16/2021 CB 1041: BLUE MUD STEAM VENT > no visible water but can hear churning deep in the vent. Side vent on the left end is clear of debris and is steaming - - https://geysertimes.org/note.php?id=19608 |
20578 |
01 Aug 2021 @ 1023 |
--- |
research-mab |
08/01/2021 CB 1023: Blue Mud Steam Vent is still low, the side vent toward Orby is completely covered with debris. The other side vent is clear of debris and steaming. - - https://geysertimes.org/note.php?id=18782 |
20577 |
11 Jul 2021 @ 1453 |
--- |
research-mab |
07/11/2021 CB 1453: BLUE MUD STEAM VENT has no visable water but I can hear splashing deep in the vent - - https://geysertimes.org/note.php?id=18369 |
20576 |
05 Jul 2021 @ 1502 |
--- |
research-mab |
07/05/2021 CB 1502: Blue Mud Steam Vent still has no visable spray of water but I can hear water sloshing around deep in the vent - - https://geysertimes.org/note.php?id=18281 |
20575 |
29 Jun 2021 @ 1335 |
--- |
research-mab |
06/29/2021 CB 1335: Blue mud steam vent still has no visable water but can hear splashing down deep - - https://geysertimes.org/note.php?id=18183 |
20574 |
08 Jun 2021 @ 1119 |
--- |
research-mab |
06/08/2021 CB 1119: Blue mud spring vent water is churning deep DEEP Down in the vent. water not visable. side vents are inactive and dry - - https://geysertimes.org/note.php?id=17573 |
20573 |
30 May 2021 @ 1607 |
--- |
research-mab |
05/30/2021 CB 1607: blue mud steam vent has water churning WAY down in the vent. occasionally I can see a wave of water but the water is not readily visable. Both side vents are steaming but inactive - - https://geysertimes.org/note.php?id=17276 |
20532 |
24 Jan 2021 @ 1408 |
--- |
research-mab |
01/24/2021 markwolf 1408: blue mud steam vent is quite low - mud is tan - - https://geysertimes.org/note.php?id=16823 |
29169 |
14 Oct 2020 @ 1200 |
--- |
research-mab |
10/14/2020 - no time noted - very high water levels throughout the Back Basin – I’m assuming at least partly due to recent snowfall
Blue Mud Steam Vent – Yellow Funnel Spring – Crater Spring |
20572 |
10 Oct 2020 @ 1028 |
--- |
research-mab |
10/10/2020 1028 CB 1028: Blue Mud Steam Vent water level is up a few inches and both side vents are almost connected to the center or main vent. Main vent has a vigorous boil and both side vents are active - - https://geysertimes.org/note.php?id=16396 |
20571 |
06 Oct 2020 @ 1232 |
--- |
research-mab |
10/06/2020 CB 1232: Blue mud steam vent pool has dropped ~8". The side vents are above the water/mud level and only the vent to the north is gurgling and occasionally throwing blue mud. The big center pool has a vigorous roiling boil. - - https://geysertimes.org/note.php?id=16343 |
20570 |
26 Sep 2020 @ 1615 |
--- |
research-mab |
09/26/2020 CB 1615: Blue mud steam vent is VERY high and the main vent is overflowing into the 2 small vents on either side of it. All 3 pools have a blooping boil. - - https://geysertimes.org/note.php?id=16270 |
20569 |
29 Aug 2020 @ 1220 |
--- |
research-mab |
08/29/2020 CB 1220: Blue Mud Steam Vent water/mud level is still very high and with a very active roiling boil. Both of its side vents are high and blurpping blue mud - -https://geysertimes.org/note.php?id=15894 |
20568 |
13 Aug 2020 @ 0813 |
--- |
research-mab |
08/13/2020 CB 0813: Blue Mud Steam Vent pool is VERY high and vigorously boiling. about 3" below the nw side vent. A few vigorous boils and muddy water would slosh into the side vent. Both side vents are high and bubbling. - - https://geysertimes.org/note.php?id=15549 |
29165 |
06 Aug 2020 @ 1200 |
--- |
research-mab |
8/6/2020 - no time noted -Blue Mud dropped again |
29152 |
25 Jun 2020 @ 1230 |
--- |
research-mab |
6/25/2020 - no time noted - Blue Mud SV is even more full! |
29151 |
24 Jun 2020 @ 1200 |
--- |
research-mab |
6/24/2020 - no time noted - Blue Mud Steam Vent has been very full |
20480 |
20 Jul 2017 @ 1700 |
--- |
research-mab |
7/20/2017 Fearless water level down 1650
Yellow Funnel + Blue Mud water level down @ 1700 - -
NOTE to future researchers: This is the last Blue Mud SV entry found in logbooks up to the start of 2018 - the next log is in place at the museum and won't make it to the archives for a decade - entries will be sparse unless individuals enter from their personal logbooks or photos - after Oct. 2021 entries will pick up again after Blue Mud SV was added to GT - mab |
20374 |
04 Oct 2016 @ 1200 |
--- |
research-mab |
10/04/2016
Blue Mud Steam Vent’s water level is back up almost overflowing. [generic day time] |
20375 |
29 Sep 2016 @ 1200 |
--- |
research-mab |
9/29/2016
Blue Mud Steam Vent’s water level is so so low. You can see a stick caught in the feature that looks like it has been there for a long time. RP [generic day time] |
20477 |
23 Sep 2016 @ 1200 |
--- |
research-mab |
9/23/2016
Blue Mud Steam Vent water level is the highest I have seen it this summer. Almost to the rim. [generic day time] |
29601 |
23 Sep 2016 @ 1200 |
--- |
research-mab |
9/23/2016 - no time noted - Blue Mud Steam Vent water level is the highest I have seen it this summer. Almost to the rim. |
20476 |
13 Sep 2016 @ 1200 |
--- |
research-mab |
9/13/2016
Blue Mud Steam Vent is very full, at a high level actively bubbling almost overflowing its vent. [generic day time] |
20475 |
07 Oct 2015 @ 1200 |
--- |
research-mab |
10/7/2015 – Water/liquid back up for Mystic & Crater
Yellow Funnel and Blue Mud still low. [generic day time] |
20468 |
05 Oct 2015 @ 1200 |
--- |
research-mab |
10/05/2015
Mystic, Green dragon, Crater & Yellow Funnel all MUCH lower liquid Blue Mud so low it sounds hollow as it bubbles deep. [generic day time] |
20466 |
16 Sep 2015 @ 1200 |
--- |
research-mab |
9/16/2015 The “muck erupter” {NBK6} I mentioned before is now bigger with somewhat clearer liquid.
Blue Mud Steam Vent has a much higher liquid line than it did a few days ago. [generic day time] |
20464 |
23 Aug 2015 @ 1030 |
--- |
research-mab |
8/23/2015 Blue Mud Steam Vent so low you can’t see the water; Yellow Funnel Spring very active @ 1030am |
20463 |
14 Jul 2015 @ 1200 |
--- |
research-mab |
7/14/2015
-Blue Mud Steam Vent is very low [generic day time] |
29551 |
14 Jul 2015 @ 1200 |
--- |
research-mab |
7/14/2015 - no time noted - Blue Mud Steam Vent is very low |
20462 |
19 Sep 2014 @ 1200 |
--- |
research-mab |
9/19/2014
Blue mud steam vent has filled up. Perhaps this is b/c of the heavy rain we got last night. The small depressions to the north and south of the feature are full as well. [generic day time] |
29543 |
19 Sep 2014 @ 1200 |
--- |
research-mab |
9/19/2014 - no time noted - Blue mud steam vent has filled up. Perhaps this is b/c of the heavy rain we got last night. The small depressions to the north and south of the feature are full as well |
20461 |
31 Aug 2014 @ 1200 |
--- |
research-mab |
8/31/2014
Blue Mud Steam Vent – water is so high it’s almost overflowing the rim. [generic day time] |
29530 |
31 Aug 2014 @ 1200 |
--- |
research-mab |
8/31/2014 - no time noted - Blue Mud Steam Vent – water is so high it’s almost overflowing the rim. |
20460 |
22 Aug 2014 @ 1200 |
--- |
research-mab |
8/22/2014
Blue Mud Steam Vent water level has gone up 3” below rim. [generic day time] |
29515 |
18 Jul 2014 @ 1200 |
--- |
research-mab |
7/18/2014 - no time noted - Yellow Funnel Springs is filling up with water as well as Blue Mud Spring (Steam Vent). You are able to see the water in Blue Mud Steam Vent now |
20458 |
17 Jul 2014 @ 1200 |
--- |
research-mab |
7/17/2014
Yellow Funnel Spring is filling up with water as well as Blue Mud Spring (Steam Vent). You are able to see the water in Blue Mud Steam Vent now. [generic day time] |
20457 |
25 Aug 2013 @ 1200 |
--- |
research-mab |
8/25/2013
Blue Mud Steam Vent seem[s] to have gone down a bit and seems to be less violent. [generic day time] |