Sean-Thomas,
i kindly request an explanation, since i'm not expert on mathematics
and seismic and astronomy...

But when you said

At 13.27 13/09/2000 -0500, you wrote:
>Re solar/lunar gravitational forces with respect to earthquakes:
>
>
>The stress in the earths' crust results in strain and tilts of the
>order of 10^-7, and are so predictable that routine calculations of
>them are used to calibrate broadband instruments. Over the years
>many efforts have been made to correlate earthquake occurrence or

What is 10^-7 ?

degrees, meters, what?

Sorry for the question, maybe it's stupid but....

Thank you

Mauro



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