Distribution of Red and Yellow-Tagged Buildings in City of Napa (IMAGE)
Caption
This image shows red and yellow tags plotted on the street grid and topography of Napa. Fault traces are drawn as black lines. Note the five red tags aligned on the fault in Brown's Valley. The dark line running north-south through central Napa is State Route 29. The Napa River is not marked. The brown contours show tagging densities >100=km2. The largest concentration of tags is located in central Napa.
Credit
<i>Seismological Research Letters</i>
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