[Geysers] Unnamed geyser on Geyser Hill near Sponge (Schwarz)

David Monteith dmonteit at comcast.net
Sun Aug 19 09:43:56 PDT 2012


Saturday I noted the UNNG near Sponge for the first time in a while but
then again, I haven't had the time to review the webcam stream very
closely for the past week or so.  Based on Mary Beth and Dicks' report,
I just reviewed the stream again.  The camera wasn't pointed at the area
at 0953 but it did catch the eruption at 1221.  It is the same feature
reported earlier.  

For much of the day the section of the hill in question was not visible
but even so, I did observe 10 eruptions.  The durations for all of them
were about the same as reported by Mary Beth and Dick though many
appeared to be a few feet taller than the 1221 eruption.

The eruptions I found on the stream from on August 18, 2012 were at:
1044
1221
1403
1414
1424
1509
1659
1815
1828
1853

Note: The stream is currently corrupted by a bad header (key frame).
I've corrected the header in order to get proper times.  Eruptions times
obtained from the corrected stream have been confirmed with reports from
the park.  Bad headers occur about once a month.  I believe they occur
when the stream has been running too long causing an error when one of
the parameters in the header gets too big (possibly a frame counter).
To fix the problem the NPS administrator has to access the stream server
which will hopefully happen soon.

Dave


On Sat, 2012-08-18 at 21:23 -0500, Mary Beth Schwarz wrote:
> 
> 
> 
> 
> 
> 
> 
>      Today 18 August 2012 Dick Powell saw two eruptions of the unnamed
> geyser on Geyser Hill near Sponge at 0953 and 1221.  Each eruption was
> two bursts, and he has pictures of the one at 1221 taken from the
> boardwalk  near Sponge.  Height estimate is 4'-5' with 2 bursts of
> short 5-10 seconds? duration.  The feature is about 2/5 of the
> distance between Plate and Boardwalk (closer to Plate) , and Dick
> located a hole on the UGB Geologic map that may be the location of the
> feature.  I saw the second eruption from the porch of the Lower Store
> today.  Dick and I also saw it erupt in July but did not know the
> exact location.
> 
>      This does seem to be what Scott Bryan described that he observed
> in 2010.
> 
>      Did the webcam folks see these or other eruptions of it today?
> 
>      Mary Beth Schwarz
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> 




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