PSN-L Email List Message
Subject: Re: My geophone did pickup mag 7.7 earthquake in siberia
From: ian ian@...........
Date: Sat, 22 Apr 2006 07:36:57 +0100
IRIS has something wrong with it at the moment which is why I thought it
was only a 6 magnitude.
showing 7.7, though Dave points out that this is now 7.6.
The first file I uploaded somehow hadn't had the cat trimmed off of it
which (luckily) jumped onto the enclosure about 30 minutes before the
quake. I have since sent in a corrected version with the cat chopped
Well done for your geophone.
Jón Frímann wrote:
>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.
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