PSN-L Email List Message

Subject: Re: 1x Horizontal geophone, N-S or W-E positioning?
From: Geoff gmvoeth@.........
Date: Fri, 07 Jun 2013 18:36:46 +0000


On 2013/6/6 11:35 PM, Dave Nelson wrote:
>
> Hi Jim,
>
> Now that little gem of info has answered the question I have had for years
>
> of course it now begs another question ....
> Why do P waves have a larger vertical component than S waves ?
>
> Dave
>
>
>
>> SNIP......
>> Now usually the P wave has more V  motion, so you might not get much 
>> P, from a Horizontal component.
>>
>> <<< Jim
Also a question , Could it be somehow due to to the fact the S wave is 
side to side instead of front to back ?

  
    
  
  
    
On 2013/6/6 11:35 PM, Dave Nelson wrote:

Hi Jim,

Now that little gem of info has answered the question I have had for years

of course it now begs another question ....
Why do P waves have a larger vertical component than S waves ?

Dave



SNIP......
Now usually the P wave has more V  motion, so you might not get much P, from a Horizontal component.

<<<    Jim
Also a question , Could it be somehow due to to the fact the S wave is side to side instead of front to back ?

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