Quote:
Originally Posted by varmint
must have been significant. my building is on solid rock. and i still felt it. lasted a good ten seconds.
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You will feel the earthquake on solid rock more so than on alluvium. The beauty is that the rock allows the shock wave to travel at high speed and low amplitude. On the other hand, alluvium slows the wave down resulting in significant increase in amplitude and that is where the bad ju-ju starts.