[Geysers] Pebble Geyser

[Stephen Eide]

Hello again,

This is interesting.  When Will first brought this feature to my attention
on 5-30-13 it was (at that time) only steaming.  On 6-1-13 when I first saw
it Pebble was just starting to cover it, I assumed it was doing the same
thing as two days earlier but I could be wrong.  When Pebble dropped below
the crack it appeared to just be steaming but the ground was all wet, if it
had some slight water output I don't know if I would have seen it.  On
6-2-13 it was underwater the whole time I was watching.  I do not doubt
Lynn's observations, I know she is an astute observer of thermal features.
I wonder if it is becoming more active, or if perhaps the level of activity
changes over time.  I'm hoping for more active.

David, thanks for the link to a most interesting video.  I don't think it
shows the feature Lynn and I are talking about but Pebble looks so much
different in that video.  I think the little hole they are showing is
UNNG-WDG-2.  I have never seen it erupt but I think Lynn and others have.
When Pebble is full the feature we are talking about is in the pool of
Pebble a couple of inches below water on the side of the pool in the
general direction of White Dome.

Stephen Eide


On Thu, Jun 6, 2013 at 3:35 PM, Lynn Stephens <lstephens2006 at hotmail.com>wrote:

> I'm sorry Steve, but there IS water coming out from underneath the ledge.
> I first spotted the water when Pebble's water level was about midway
> between the sinter ledge and the orange algae line.  The water is clearly
> visible before Pebble's water rises and covers the ledge.    There may have
> only been steam when you and Will saw it, but I have watched water on three
> occasions now.   There are steam/gas bubbles on the south side of Pebble's
> crater that have been there for several years.
>
> Lynn Stephens
>
> ------------------------------
> Date: Wed, 5 Jun 2013 23:25:41 -0600
> From: stepheneide at cableone.net
> To: geysers at lists.wallawalla.edu
> Subject: Re: [Geysers] Pebble Geyser
>
>
> Greetings and Salutations,
>
> The steam/gas coming out of this crack/fracture was first noticed by Will
> Boekel on 5-30-13 when he heard it before me.  Young ears and all.  I
> also noticed Pebble filling and then dropping on June 1st and 2nd, I was
> hoping for Gemini without luck.  When Pebble covers the crack/fracture it
> looks like it is erupting but when the water level drops below the feature
> you can tell it has no water output, just steam and/or gas.  But this is
> the first time I have seen any activity in this area also.
>
> Also, on 6-1-13 I did see an eruption of Spire Geyser in the Tangled Creek
> area.
>
> Stephen Eide
>
>
> On Tue, Jun 4, 2013 at 10:51 PM, David Monteith <dmonteit at comcast.net>wrote:
>
> Here are couple images captured Saturday of the feature I think Lynn is
> talking about.  On the two times I was looking for it, I saw it active
> once and inactive once.  I think it was Steve E who said it had also
> been heard making a forced steam sound when Pebble's water level was
> low.
>
> Dave
>
>
> On Tue, 2013-06-04 at 20:17 -0600, Lynn Stephens wrote:
> > THIS MESSAGE IS FOR THE PERSONAL USE OF THE READERS OF THIS LISTSERV
> > AND IS NOT TO BE REPRODUCED FOR ANY OTHER PURPOSE, INCLUDING
> > PUBLICATION IN THE SPUT.
> >
> > Yesterday (6/3/2013) I noticed a feature I had never seen before on
> > the west edge of Pebble Geyser, near the top of the area that gets
> > inundated when Pebble fills to overflow.  When I first saw it, Pebble
> > was rising and was several inches above the algae line on the inside
> > of the "crater".  Water was burbling out from underneath a piece of
> > what looks like an old sinter rim.  The burbling continued even after
> > Pebble had filled to the point where Pebble's water had covered the
> > sinter ledge be several inches and Pebble was in full overflow.  I did
> > not monitor the feature closely as Pebble drained, but the three time
> > I have checked Pebble when Pebble's water was 2 to 3 inches below the
> > top of the orange algae mark on the inide of Pebble's crater, the
> > feature was not burbling.  Height=2 to 3 inches when the feature is
> > not underwater.  The bubbles rising from the west side of the crater
> > when the feature is innundated are definitely water, not gas or air.
> > The feature is intermittent but I have not observed it enough to
> > determine either durations or intervals.
> >
> > Lynn Stephens
> >
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> > Geysers at lists.wallawalla.edu
> > 
>
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