According to my friend, he reckons they look good.  Your S looks good to 
him, but your P could be moved to coincide with the peak of the first 
pulse, it seems to be a few samples earlier than the peak.

I'm new at this myself, so I'd like to hear some feedback too

Jón Frímann wrote:
> Hi all
> 
> As I did say in my early post today, I did record a earthquake at 00:25
> today. The earthquake mag was 3,0 on the ricther scale according to the
> icelandic met office. My problem is this that i don't think i have found
> the p and s wave properly, since this earthquake wave has two spikes,
> not one. I did think that i had correctly located the p and s waves, but
> based on the wave form I am not totally sure.
> 
> Here is the gif file and the psn file of the recording.
> http://www.simnet.is/jonfr500/earthquake/winquake/060110.002424.ch1.psn.gif
> http://www.simnet.is/jonfr500/earthquake/winquake/060110.002424.ch1.psn
> (p and s markers are not set in this psn file)
> 
> Here is a picture of the earthquake with the p and s markers as i did
> set them.
> http://alvaran.com/forum/index.php?act=Attach&type=post&id=11
> 
> If nothing else, I welcome suggestions on this matter.
> 
> Regards.

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