[Geysers] Geyser report Sunday May 15

TSBryan at aol.com TSBryan at aol.com
Sun May 15 15:03:21 PDT 2005


One could hope the geysers get off this "let's all erupt before 9"  business, 
but most did it again today -- Beehive, Grand, Castle, Oblong, Daisy.  So I 
was in for a while, then out early-ish in order to keep my head cold from  too 
much wind.
 
Silex erupted in the night and was just below overflow at 0700. I placed a  
marker. Celestine was still violently (to 3 or 4 feet) erupting, so I'm 
guessing  the Silex initial was in the vicinity of 0300.
 
Fan and Mortar reaced 8 1/2 days as of late morning. The observation made  
earlier with John Warnock at Fan and Mortar bears telling. No, sadly it did not  
erupt for us, but geez, a QUADRUPLE River Vent pause...
0757 River on; 0804 off
0810 River on; 0819 off
0824 River on; 0833 off
0838 River on; 0847 off
0855 River on; 0904 Gold on; 0913 Angle on
 
These were complete, bona-fide pauses. Throughout the entire time from 0801  
until about 0900, Main Vent had a great many, very frequent splashes, some  
filling the entire vent and one spraying over the rocks and into East Vent.  
However, though it tried mightily, Bottom Vent never really erupted -- it played  
around a lot and did discharge enough water to form a trickle of water to 
near  the river. There were also small "fuzzballs" in Lower Mortar. But no  
eruption. Once the cycle finally progressed, water levels stayed fairly high  until 
about the 20 minute mark, then obviously decreased. Nothing, not even  
significant grumbling, in Upper Mortar. Nuts.
 
I went into the VC in hopes of clarifying that business of the  
electronically recorded time yielding an interval of less than 5 hours.  Something is 
screwy. I had not misread the logbook. So we went back to the  office, looked at 
the comuter and ...... the appropriate file could not be  located! The day 
before and the day after, but not that one. Maybe it will turn  up. (Do note that 
if that eruption time was actually 5/14, 0059 rather than  0259, all would be 
perfect.)
 
Anyhow, eliminating that double interval of 15h 42m, I sat down with the 15  
Grand intervals I posted on Friday plus the four closed intervals since then,  
calculated, and found the average interval for the past 7 days to have been 
8h  02m. The longest was 9h 53m (there was also 9h 51m); the shortest was 6h  
36m.
 
Today's Grand at 0706 was a T1Q.
 
Scott Bryan
 
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