[Geysers] Pebble Geyser

[Lynn Stephens]

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

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> 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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