[Geysers] Geyser Report September 19

[Lynn Stephens]

Items from the logbook

 

Castle 1248 major

Daisy 0639, 0859, 1116, 1337, 1548, 1752ie, 1958ie

Daisy 0202E, 0416E, 0640E

Fountain 0917ns (end 0952), 1613

Grand 0405E, 1241 T2C d==11m4s, 2035nsie 2C

Great Fountain 0131E, 1221 of=72, p=8 1234E

Riverside 0732, 1324, 1909

Beehive 0950, 2217

Beehive's Indicator 0938

Plume 0617, 0711, 0809, 0915, 1014, 1204, 1259, 1353

 

Grotto 0645ie 1109ns 

Lion 0836, 1805, 1917ie

Little Cub 1010, 1414ie

Sawmill 0608ie, 0945ie (end 1048)

West Triplet 1242,

Oblong 0624ns, 1105, 1612ie, 2033ns

Depression 0809ie

Sputnik 1245, 1257

Rift 1318 still ie 1339

Penta 1145 steam phase

Rocket 1243ie

Till 0311 major, 1345ie minor

Plate 1400ie, 0928ie, 1846

Pink Cone 0515

Little Brother 1035 active

Gemini 1136, 1145, 1201, 1210 (end of series)

White Dome 1201, 1223, 1312

Cliff geyser (full pool eruptions) 1721 d = 8, 1802, 1842, 1915

Spa active late afternoon/early evening

 

I started and ended the day listening to bull elk bugling near Steel Bridge.  The Mary Mountain bison herd has started moving down to Fountain Flats creating many long traffic jams.  

 

Overheard at Great Fountain:

 

11:33:  OK, so this thing is supposed to have a fit here pretty soon.

11:37:  So this thing's thinking about getting ready to blow up.

 

I had just commented that Great Fountain's water level had dropped after the big boil without an accompanying eruption of White Dome (Great Fountain 1-meter boil at 12:21--9 minutes short of the mid-point of my prediction) when White Dome decided to validate the BW theory that an eruption of White Dome accompanies/causes Great Fountain's pool to drop by erupting at 12:23.

 

At Great Fountain someone asked if I knew of any photographs showing the inside of Great Fountain's crater.  I don't remember any off the top of my head, but said a potential source might be the USGS on-line library of photographs.  Several people indicated they were not familiar with that site, so I said I would look up the url and post it.  Here it is:

 

http://libraryphoto.cr.usgs.gov/cgi-bin/search.cgi?seach_mode=exact&selection=Yellowstone+National+Park%7CYellowstone+National+Park

 

Lynn Stephens

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