PSN-L Email List Message

Subject: Re: Kuril island 8.2Mw earthquake <<< EUREKA>>>>>>
From: =?ISO-8859-1?Q?J=F3n_Fr=EDmann?= jonfr500@.........
Date: Mon, 15 Jan 2007 14:00:22 +0000


I will soon add long period channels to my hardware and a long period
sensor too. So I don't have any reason to extend the geophone down to
that level.

The frequancy of the Kuril island 8.2Mw earthquake was hig enugh so that
I was able to see on frequancyes above 4Hz, even well above 10Hz. That
is unusual. I did lowpass it down to 4Hz for cleanup on the signal.

Jón Frímann


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