| Note ID | Start Time (US/Mountain) | End Time (US/Mountain) | Entrant | Note |
| 28339 |
17 Sep 2023 @ 0900 |
17 Sep 2023 @ 1200 |
SantaFe108 |
Erupting frequently with water. |
| 26552 |
20 Jun 2023 @ 0814 |
20 Jun 2023 @ 1231 |
SantaFe108 |
All eruption intervals are closed during this period. |
| 25721 |
23 May 2023 @ 1155 |
--- |
cb |
Continued throught my sit with frequent eruptions; short durations with very short intervals. |
| 24509 |
28 Oct 2022 @ 1841 |
--- |
MAB |
splashy when I walked by |
| 29069 |
15 Jun 2022 @ 1003 |
--- |
research-mab |
6/15/2022 Black Growler 1003 (spitting water) |
| 20275 |
03 Nov 2021 @ 0824 |
--- |
MAB |
hollow roar w no water - quieted to little noise and less ateam during the day with a few resurging episodes of heavy steam |
| 18886 |
10 Aug 2021 @ 1049 |
--- |
cb |
I've seen Black Growler steaming a few times but no water seen from the vent. |
| 18533 |
19 Jul 2021 @ 1700 |
19 Jul 2021 @ 1900 |
nails |
Periodically increasing steam output. No water splashing. Ledge is louder when Black Growler is steaming. |
| 29512 |
11 Jul 2014 @ 1200 |
--- |
research-mab |
7/11/2014 Some changes taking place in the NGB this season.- no time noted - Porcelain Basin - The vent on the map labled [sic] Black Growler has been erupting this year. The water has been reaching about 4 feet. |
| 29837 |
03 Mar 2001 @ 1200 |
--- |
research-mab |
3/03/01 - no time noted - Basinwide disturbance is going on...Black Growler temp is down to 92.9C. It has built about an 8 ft ice cornice at the north side. |
| 30336 |
07 Jun 1992 @ 1200 |
--- |
research-mab |
June 7, 1992 - no time noted - Black Growler is noisy and active. |
| 30537 |
23 Jun 1991 @ 1200 |
--- |
research-mab |
6/23/91 - no time noted Black Growler Fumerole remains loud and active. |
| 31198 |
15 Jan 1982 @ 1200 |
--- |
research-mab |
January 15th, 1982 - no time noted - Son of Black Growler, or Descendent Fumerole rolling steam with Ventura Effect. Ice formation surrounding it prevented me from getting an accurate temp. |
| 31582 |
27 Nov 1981 @ 1200 |
--- |
research-mab |
Nov 27th 1981 - no time noted - Son of Black Growler (Heir of…) 205° Steam is roaring out of it & it is quite difficult to get an accurate temp. Tied the thermometer to the stick & braced myself. Ventura Effect. |
| 31733 |
06 Sep 1980 @ 1200 |
--- |
research-mab |
Sat Sept 6 1980 - no time noted - Son of Black Growler – Very powerful steam with fine water drops, lots of silica gel around 203°F |
| 31688 |
05 Aug 1980 @ 1200 |
--- |
research-mab |
Aug 5, 1980 - no time noted - Decedent [sic] of Black Growler 202° |
| 31612 |
08 Jun 1980 @ 1200 |
--- |
research-mab |
June 8 1980 - no time noted - Son of Black Growler (Descendent? Fumerole) – Broke a brand new thermometer (son of a @#$#!) Spraying considerable water with a forceful steam. Up to 5cm of silica gel deposited to the west of the oriface. [sic] Temp.l 195ºF- may be low due to inability of keeping the thermometer in the vent. |
| 31987 |
27 Sep 1979 @ 1200 |
--- |
research-mab |
September 27 1979 - no time noted - Descendent Fumerole – 201ºF – more powerful than last week |
| 31948 |
20 Sep 1979 @ 1800 |
--- |
research-mab |
Thursday Sept 20 1979 - Disturbance check after 1730 - Descendent or Heir of Black Growlers steam vent – in heavier steam than normal which suggests interconnection with the Ledge complex – 200ºF |
| 31928 |
11 Sep 1979 @ 1200 |
--- |
research-mab |
Sept 11 1979 -no time noted - Temps taken in Porcelain this AM - Descendant Fumerole 203° |
| 32236 |
06 Nov 1978 @ 1200 |
--- |
research-mab |
11/06/1978 - no time noted - Son of Black Growler (new steam vent between Ledge & Valentine) was throwing out a fine spray of clear water along with roaring steam. Temp 198ºF. Beautiful ice formations on surrounding grass! |
| 32153 |
12 Aug 1978 @ 1200 |
--- |
research-mab |
08/12/1978 - no time noted post Ledge - Also of note water in Jetsam Pool has increased about 1-2 feet in depth while the power of our new unnamed fumerole (Son of Black Growler) seems to have decreased. |