PSN-L Email List Message

Subject: Re: New Station Questions
From: John & Jan johnjan@........
Date: Wed, 28 Aug 2002 19:55:16 -0600

At 08:22 AM 8/28/2002 -0700, you wrote:
>The main thing I want to do is to be able to use Larry's site to check my
>system. His site shows the most recent/largest event in accelration units. I
>want to be able to convert that to magnitude, or otherwise know when Larry
>has recorded and event that I should have.
>Thanks for the help!
>Jonathan Peakall

Hi Johathan,

Another way to check if you should have recorded an event would be to
enter your coordinates into this page:

Then you can search for recent events within, say 5 degrees (555 km).
The arrival time of P and S are given so you will know exactly where
to look for the event on your seismogram.

A pendulum with 2 second period should be fine for this.  You will
probably want to sample at perhaps 20 Hz and filter out frequencies
above 10 Hz prior to the AD.

Another site to use for finding recent earthquakes is:

I've ordered a DI194RS unit so will know in a few weeks if it will
work with Alan Jones' AmaSeis software.



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