PSN-L Email List Message

Subject: Re: More then 2000 files
From: "Geoffrey" gmvoeth@...........
Date: Thu, 11 Mar 2010 15:46:16 -0700


When you say Volcanic Tremor
by that do you mean Harmonic Tremor ??


----- Original Message ----- 
From: "Jón Frímann" 
To: 
Sent: Wednesday, March 10, 2010 8:57 PM
Subject: Re: More then 2000 files


Hi Jerry,

Tectonic and high frequancy earthquakes in volcanoes are not that
diffrent. But a volcanic tremor is a low frequancy events with a long
tail. I have only recored once such event and that was in a volcano
named Grímsjall, that was few weeks ago. That is how I can tell the
signals apart.

But I also use IMO data, and the location is usally a good clue on what
type of activity this is. But that might not always be the case.

The swarm continues, and the Hekla station plot is quite intresting. As
it is full with earthquakes.

Regards,
Jón Frímann.

On miđ, 2010-03-10 at 21:46 -0600, GPayton wrote:
> Jon,
>
> You live on the North Atlantic Ridge splitting Iceland.
>
> How do separate its normal magma activity from that of a nearby
> volcano's magma activity, if there is a difference?  To me, it would
> be like living next to a subway tunnel and trying to hear people
> walking above on ground level?  Just wondering how you do it?
>
> Regards,
> Jerry
>
>
>         ----- Original Message ----- 
>         From: Jón Frímann
>         To: PSN-Postlist
>         Sent: Wednesday, March 10, 2010 9:17 PM
>         Subject: More then 2000 files
>
>
>         Hi all,
>
>         The activity continues in Eyjafjallajökull volcano. So far I
>         have
>         recored more then 600 earthquakes or so. The activity
>         continues and
>         doesn't seems to be stopping.
>
>         When I write this there are 2078 files in the folder for Mars
>         2010. Most
>         of the earthquakes that I have recored are microquakes.
>
>         Regards,
>         -- 
>         Jón Frímann Jónsson
>
>         __________________________________________________________
>
>         Public Seismic Network Mailing List (PSN-L)
>
>         To leave this list email PSN-L-REQUEST@.............. with
>         the body of the message (first line only): unsubscribe
>         See http://www.seismicnet.com/maillist.html for more
>         information.

__________________________________________________________

Public Seismic Network Mailing List (PSN-L)


__________________________________________________________

Public Seismic Network Mailing List (PSN-L)


[ Top ] [ Back ] [ Home Page ]