Pre-1950 builds suffered most damage from 2014 Napa quake
San Francisco CA (SPX) Mar 05, 2015 - An analysis of buildings tagged red and yellow by structural engineers after the August 2014 earthquake in Napa links pre-1950 buildings and the underlying sedimentary basin to the greatest shaking damage, according to one of six reports on the Napa quake published in the March/April issue of Seismological Research Letters (SRL). "This data should spur people to retrofit older homes," said ... more
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