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 University:  
> http://www.jclahr.com/science/psn/cor/index.html
> 
> 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
In a me=
ssage dated 2006/09/12, JohnJan@........ writes:



A few times the question has co=
me 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 University:  http://www.jclahr.com/science/psn/cor/ind=
ex.html



Clicking on this image toggles between short-period- and 

long-period-filtered versions.




Hi John,



       Not many of us have instruments which g=
o to 1000 sec. Can you show us what the 10 to 40 sec band looks like in comp=
arison, please?



       Regards,



       Chris Chapman