Friday, August 26, 2011

Virginia Earthquake strong ground motion


Not much data.  13 Nuclear plants and not a scrap of instrument data!  Here it was 2 cm/s, but we don't know about the foundation amplification factor.  If there are lots of results, as in Japan, you can have a good guess by the spread, there is usually a factor of 10 difference.  Here, we don't know.

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