[Geysers] Pebble Geyser

[Lynn Stephens]

David, I'm fairly certain the hole is not the same location.
 
Lynn Stephens
 
Date: Thu, 6 Jun 2013 10:36:54 -0500
From: david.schwarz at alumni.duke.edu
To: geysers at lists.wallawalla.edu
Subject: Re: [Geysers] Pebble Geyser

I suspect that this is the location of a vent that was cleaned out in 1993 by volunteers and Resource Management.  See this video: 

http://youtu.be/9X6_UPbpUQM?t=2m39s


The hole is in the foreground around 2:35 to 2:45, among other parts of the video.  After it was cleared, it filled to within a few inches of overflow with very hot water.

It's been gradually getting filled back in with gravel since then.  I can't remember the last time I even noticed a depression there.


So anyone who's actually seen the new activity, is this the same location?

David Schwarz


On Thu, Jun 6, 2013 at 12:25 AM, Stephen Eide <stepheneide at cableone.net> wrote:

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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