PSN-L Email List Message

Subject: Re: My geophone did pickup mag 7.7 earthquake in siberia
From: =?ISO-8859-1?Q?J=F3n_Fr=EDmann?= jonfr500@.........
Date: Fri, 21 Apr 2006 07:35:44 +0000

Hi Ian

I did check my record for the biggest aftershock, it was 6.3mb according
to emsc-csem. I did not record that one. I have sent my traces to the
psn event file list. The P wave is clear in the recording, but it is
alot harder to see the S wave. Surfaces waves appear also, good enugh to
be seen. I did lowpass filter the event files to 1Hz to see the signal
clear enugh. But anything above that didn't show it.

This earthquake is the biggest one I have recorded so far.

Jón Frímann


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