PSN-L Email List Message

Subject: Re: Representative stations?
From: Dan Bolser dan.bolser@.........
Date: Sun, 20 Mar 2011 20:37:11 +0000

Thanks John, very useful links. I hope you don't mind, I'm CC'ing your
reply to the psnlist, where there was a fair amount of interest in
this question (largely reflecting your statements below).

Thanks again,

On 20 March 2011 20:10, John Taber  wrote:
> Dan,
> A selection of representative stations would depend on the research probl=
> you are working on. =A0For global earth structure or a uniform set of glo=
> earthquake locations, the 150 or so stations in the Global Seismic Networ=
> ( are one reference network. =A0On a =
> scale, the Earthscope reference network
> ( ) provide reasonably
> uniform coverage. =A0 =A0On the scale of Washington state, the PNWSN coul=
d be
> the reference .
> In terms of who to ask the questions of, perhaps there is a local or
> regional university near you that has a geophysics group that could help
> you?
> Regards,
> John Taber
> On Mar 15, 2011, at 5:47 AM, Dan Bolser wrote:
>> Hi all,
>> In seismology, is there a concept of a 'representative station', a
>> station that collects very similar information to others? Or is the
>> information from *every* station just as valuable (informative) as all
>> the others?
>> Are there lists of representative stations?
>> If I were the funding god, and I told you to axe all but 20, 50, 200,
>> or 500 stations, which stations would you choose to keep and why?
>> My thinking is that 10 stations in one relatively small area must be
>> collecting similar data, and you can (perhaps) represent *nearly* all
>> 10 by picking just one of them (the most 'representative' one). Each
>> 'new' station must add more information, but at some point, the amount
>> of information gain from each additional station must plateau.
>> Does any of that make any sense?
>> Who should I be asking this question of?
>> Sincerely,
>> Dan.

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