Sunday, May 7, 2017

Neat earthquake video

Reference

This is really good physics, something I don't expect from 'official' earthquake people.  The video shows ground velocity which has a direct connection with damage.  You can see the directivity of the giant thrust fault, and although it progresses up the line, it is not a strike-slip fault.  A video like this is another nail in the coffin for ground acceleration.  But not this day.  :)  Engineers make good money going with acceleration, and the geologists make good money going with strike-slip faults and the hoary old 'elastic rebound theory'.




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