PSN-L Email List Message

Subject: Scientific American Airtcles
From: "Bob Hancock" carpediem1@.........
Date: Wed, 20 Dec 2006 09:45:02 -0700

Hi All -  

 

The January 2007 issue of Scientific American (arrived by mail yesterday)
has two articles of interest for amateur seismologists.

 

Seismic Sentries - Why Underground Nuclear Tests Are So Hard To Hide - The
article looks at detection of underground nuclear tests and the difficulties
encountered in detecting them

 

The Mississippi's Curious Origins - This article discusses the mountain
range that once separated the continental interior of the US from the Gulf
of Mexico.  It also looks at previous geologic events which could have led
to the intra-plate earthquakes in New Madrid, circa 1811-1812, and the
Charleston, South Carolina event on 1886.

 

Bob Hancock





















Hi
All -  



 



The
January 2007 issue of Scientific American (arrived by mail yesterday) =
has two
articles of interest for amateur =
seismologists.



 



Seismic
Sentries – Why Underground Nuclear Tests Are So Hard To Hide - The
article looks at detection of underground nuclear tests and the =
difficulties
encountered in detecting them



 



The Mississippi’s Curious Origins - This =
article
discusses the mountain range that once separated the continental =
interior of
the US from the =
Gulf of Mexico.  It also looks at previous =
geologic
events which could have led to the intra-plate earthquakes in New =
Madrid, circa
1811-1812, and the Charleston,
 South Carolina event on =
1886.



 



Bob
Hancock
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