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How is an earthquake judged serious?


   How is an earthquake judged serious?


  Atherant
 4/23/09
 

 How is an earthquake judged serious?

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  tjared
 4/23/09
 

 Magnitude 7 earth quakes and above are judged to be serious

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  tjared
 4/23/09
 

 Magnitude 3 earthquakes are to be minimally destructive

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