[Geysers] Black Diamond on 7/29

[Tom and Genean]

Hi All,

Did anyone get a picture of Black Diamond that we could use in the Sput?

Tom and Genean

On Sun, 30 Jul 2006 20:49:25 -0600, Mike Keller <KSCOPE_YNP at peoplepc.com>  
wrote:

> I spent most of my day at Black Diamond on 7/29, first arriving around
> 11:00am.  The Strassers and Tara Cross had been there a while before I
> arrived and said it has not been seen in daylight.  When I arrived, Black
> Diamond was in overflow with periodic bubbling seen over many areas of  
> its
> basin.  The water was grey/white and very murky.  In the center, slightly
> off to the north, there appeared to be heavier, more consistent periods  
> of
> upwelling and bubbling.  Most of the bubbles were marble to golf ball  
> sized.
> Over the next 7 hours, the water level slowly rose about ¼”.  Starting at
> 1604, the bubbles coming over the main vent would occasionally be  
> softball
> sized.  Finally, at 1753, Black Diamond erupted.  There were about 7 of  
> us
> staring at the pool when it started.  It gave NO warning.  There was  
> another
> softball sized bubble, then suddenly the whole center of the pool heaved  
> and
> it was in eruption.  The eruption lasted about 20 seconds and reached as
> much as 20 feet in height, being as wide as it was tall.  Loud thumping  
> and
> popping sounds could easily be heard while it was erupting.  The water  
> color
> changed from the milky grey/white to obsidian black.  It looked like it  
> was
> erupting asphalt.  The lower third of the water column was “chunky” with
> rocks, gravel, and debris.  As quickly as it started, the eruption  
> stopped.
> Over the next 90 minutes there were several periods of heavy upwelling  
> but
> no further eruption was seen.  The periods of upwelling gradually  
> diminished
> until they were no longer visible at 1940.  When I left the area, Black
> Diamond looked exactly as it had when I arrived at 1100.
>
>
> MK
>
>
>
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