From:
John Twilley <jtwilley@xxxxxxxxxxx>
Date:
Sat, 18 Aug 2001 13:06:50 -0400
Subject:
Mounting a larger sculpture
Erik,
Not entirely true. A look at a seismic hazards map (U.S.G.S. or
similar) will show that the New Madrid fault zone (Missouri) is ranked
at the top of the list along with such notables as the San Andreas in
California and the Juan de Fuca zone near Seattle. If memory serves,
there are historical accounts of church bells in Philadelphia being rung
and the flow of the Mississippi being briefly reversed by a "great
quake" on the New Madrid zone in 1811. Recent estimates have been that
there were three magnitude 8+ earthquakes over a six month period in
that last episode which occurred there. So it depends how long you are
building for.
John Twilley
Erik Stainsby wrote:
Quoted text begins.At least being east of the Great Divide, you don't have to contend with
earthquake measures as we do here on the West Coast!
End of quote.
- References
- message 00076: Mounting a larger sculpture - Erik Stainsby (18 Aug 2001)
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