PSN-L Email List Message

Subject: Re: Long-period vs short-period instruments
From: John or Jan Lahr JohnJan@........
Date: Tue, 12 Sep 2006 12:12:59 -0700

Hi Chris,

I'm just displaying images that are generated at the USGS Albuquerque 
Seismic Lab
(ASL).  The 10 to 40 s band would be an interesting comparison, but I 
don't have the raw data
to generate such a plot.  I the data is available from 
so someone with the right filtering software could generate such a plot.


At 08:37 AM 9/12/2006, you wrote:
>In a message dated 2006/09/12, JohnJan@........ writes:
>>A few times the question has come up about which events can be seen
>>on short period versus a long period instruments.
>>I've set up a page with images of the broad-band station COR, which
>>is run by the USGS
>>and Oregon State 
>>Clicking on this image toggles between short-period- and
>>long-period-filtered versions.
>Hi John,
>        Not many of us have instruments which go to 1000 sec. Can 
> you show us what the 10 to 40 sec band looks like in comparison, please?
>        Regards,
>        Chris Chapman


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