very interesting noise.
It is like a local disturbance of some kind.
local to the location of the seismometer sensor.
looks a lot like a cat jumped off something high
into the local vicinity of the sensor
then in a series of jumps went away from the sensor.

I would say you have some kind artifact that is not
related to Earthquakes.

----- Original Message ----- 
From: "Jón Frímann" 
To: "PSN-Postlist" 
Sent: Friday, January 26, 2007 10:34 PM
Subject: Earthquake or a noise ?


> Hi all
>
> Yesterday at 11:40 UTC I did record a strange signal. It looks like a
> earthquake, but a really small one. But I am not sure, this might just
> be a noise. But I want to get others opinion on this signal.
>
> The files can be downloaded from here,
> http://157.157.215.56/~jonfr/earthquake/
>
> Regards.
> -- 
> Jón Frímann
> http://www.jonfr.com
> http://www.simnet.is/jonfr500/earthquake/
>
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