PSN-L Email List Message

Subject: Re: On timing
From: John or Jan Lahr JohnJan@........
Date: Mon, 11 Apr 2005 22:21:16 -0600

At 08:03 PM 4/11/2005, you wrote:
>     How do you suggest that we get an estimate of the time, location and 
> depth of the quake and the probable errors, please?

Hi Chris,

I don't advocate poor timing, but because it sometimes happens my HYPOELLIPSE
program for locating regional earthquakes in Alaska allowed stations to 
provide P and
S times that would be used only for their S minus P interval.  If all of 
the available
stations had only the S minus P interval, then it was still possible to 
compute the
latitude, longitude, depth, and spatial error ellipsoid, but the origin 
time remained



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