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A Structual Engineers’ View of the East Coast Earthquake
People have been asking why so much of the east coast felt shaking from the recent M5.8 VA quake. It's easy to assume that the East Coast is overreacting and oversensitive because they don't typically experience earthquakes. However, there is likely a more scientific explanation. While a geologist or seismologist is probably more qualified to answer this question, I can offer some explanation. I believe the reason that the ground motions were felt in such a widely distributed area has to do with the geology of the east coast. They have a much older and stiffer bedrock than the West Coast which transmits the earthquake motions a further distance. In other words, the earthquake motions do not attenuate out as quickly as on the West Coast.
Filed Under: Earthquake
Posted by noblestudios on August 25, 2011 10:29 AM
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