11 Replies Latest reply: Mar 29, 2012 4:32 PM by dllebryk RSS

Why are earthquakes felt in longer range on east coast than west coast?

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In listening today to the seismographic results of the 5.9 magnitude earthquake that just occurred in VA and the report that it was felt all the way up to Boston and over to Ohio, I began to wonder why it was felt in such a wide geographic range.  The earthquakes that occur on the west coast do not resonate those distances.  Need some scientific expertise here. I initially thought it might be the mountain ranges that stopped it on the west coast, but then wouldn't it depend on how deep the quake was?

 

Any information on this would be great.  Good teachable moment!

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