PSN-L Email List Message
Subject: Re: Range of 4,5Hz geophone
From: ian ian@...........
Date: Sat, 07 Jan 2006 13:54:23 +0000
if it's any help, I picked up the 3.0 mag quake at Fort William,
Scotland on the 10th of December. I'm probably about 150 Km away, see
(I'm just to the right of Edinburgh, having fallen off the map!).
I have a single, vertical 4.5 Hz geophone and got a very respectable
trace from it. I would agree, though, that life is more "exciting" with
a long period device, like a Lehman, unless you live "on top of a
volcano", as I used to do.
Jón Frímann wrote:
>What is the estimated range of 4,5Hz Geophone to detect earthquakes,
>three axis ? Then i am counting in kilometers.
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