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I thought about propagation time. If my source is right, earthquake P waves travel at around 6 km/s on the surface, the distance for the 4.9 quake is 234 km, that's 39 seconds only. This is too little. For the 5.0 one however, the distance is 323 km, that's 54 seconds, too long.

*Lunatic*, n.
One whose delusions are out of fashion.
by DoDo on Sun Mar 13th, 2011 at 06:54:55 PM EST
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