Re: Earthquake shakes up gravity

From: Mark Martin (qed100_at_hotmail.com)
Date: 10/15/04 

Date: 15 Oct 2004 07:17:00 -0700

eleatis@yahoo.gr (Mike) wrote in message news:<9c1b39be.0410150258.30a09c2@posting.google.com>...

 
> Agree with theoretical predictions? What predictions? Is there a
> theoretical model that predicts changes in the gravitational field due
> to earthquakes? And if there is one, what are the values of the
> parameters used?

   The predictions are undoubtedly from a theory of the redistribution
of geologic masses. Earthquakes in Japan are primarily connected to
volcanism; by measuring local gravitic changes they can map changes in
the underground lava chambers, which are precursors to seismic
activity.

 
> I think Japs should stick to mass production and sushi. Let others
> figure out whether 2 parts in a billion is due to vibrations from a
> factory a few miles away.

   Japan is characterised by its overabundance of earthquakes. They of
all people ought to make expert geologists of themselves, for their
own welfare.

-Mark Martin

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