XPost: sci.geo.geology, van.general, sci.geo.earthquakes   
   From: dalton@nfld.com   
      
   In article <94lui7d7rvjupqd7rr1mkpvucci01rivrg@4ax.com>,   
    Bob  wrote:   
      
   > On Sun, 05 Feb 2012 01:00:12 -0330, David Dalton  wrote:   
   >   
   > >> No.   
   > >   
   > >Why not?   Is it not located on a major fault or   
   > >plate boundary?   
   >   
   > 	A fault like the "ring of fire"...from BC to Australia all along   
   > the Port coasts.   
   >   
   > 	BC, especially GVRD, is not plated, it's silted. GVRD is built on   
   > a Bubble 1 mile down at the Main/Hastings, to the UBC Loop, which is why   
   > all the silt has dipped down a lot of buildings, in the last 200 years.   
   > It's like a large Orlando Florida "Sink Hole".   
   >   
   > 	That makes it earthquake proof, and the only real way you can nuke   
   > B.C. is to fire X2 1 Megaton, 1 mile penetrating Nuclear Rockets like   
   > Joshua and Excalibur "from their orbital station", at  Vancouver.   
   >   
   > 	Usually Nuclear Bombs/Rockets are detonated 500km from the earths   
   > surface for maximum effect surface. So why do these rockets (Joshua and   
   > Excalibur) have a 1 mile penetration?   
   >   
   > 	In effect, an earthquake disaster is almost impossible compared to   
   > "other disasters".   
   >   
   > Have a Nice Day   
   >   
   > Bob   
      
   But a basin of silt can actually act like a lens   
   and amplify the surface waves from the earthquake   
   and then if those surface waves have frequencies   
   which match the resonant frequencies of skyscrapers   
   then major damage can occur.   I think something   
   like that happened in Mexico City years ago?   
      
   David (geophysicist, but not an earthquake seismologist)   
      
   --   
   David Dalton  dalton@nfld.com   http://www.nfld.com/~dalton (home page)   
   http://www.nfld.com/~dalton/nf.html Newfoundland&Labrador Travel & Music   
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