I sent this to  Center for Earthquake Research and Information (CERI)
And to my surprise got this response  this was interesting + it is the first event I recorded on my Lehman seismometer.

My letter to CERI :
> >I see an event that looks like a micro quake
> >on the Recent Helicorder Display
> >"http://folkworm.ceri.memphis.edu/heli_nm/"
> >  PWLA EHZ NM : Pickwick Lake, AL

> >  I saw it on my homebuilt Lehman seismometer
> >In corinth MS. as well this is why I ask.
> >
> >Event UTC 4/5/05 21:07:30 to 21:08:51
> >This is my data
> >https://home.comcast.net/~bryangoss/micro.jpg
> >
> >It is not on the Recent Earthquakes in Central US that I can find??

THE REPLY BY CERI:

On Thu, 7 Apr 2005, Gary Patterson wrote:

> Hello Bryan,
>
> Thanks for your input.  Seems we may have a processing glitch for
> that event (maybe from the time change...maybe from something else).
> We listed an event at
>   2.9  2005/04/05 15:37:43 36.150N 83.690W 10.1   (20:37:43 (UTC) ....
> looks like it should have been listed at the time you specified
> (about 21:07 for the first arrival at pickwick).  It is very clear on
> the pickwick (PWLA) station.
>
> I know that these types of glitches dont happen often and I
> appreciate you bringing it to our attention.  Staff are looking for
> the problem now.
>
> Additionally, your Lehman seismometer seems to be working well.
> Hopefully you will continue to monitor earthquakes in the
> area.....it's great to have someone else out there.
>
> Regards,
>
> Good luck
This message was sent to you by 69.244.24.49
> >on Wed Apr  6 07:15:29 2005 (GMT).
>

Mitch

Center for Earthquake Research and Information (CERI)
University of Memphis                Ph: 901-678-4940
Memphis, TN 38152                   Fax: 901-678-4734
__________________________________________________________

Public Seismic Network Mailing List (PSN-L)