On August 24, 2014, a magnitude 6.0 earthquake occurred northwest of American Canyon, California. The earthquake was located between two faults: the West Napa Fault and the Carneros-Franklin Fault near the north shore of the San Pablo Bay. Structural damage was most severe in the downtown Napa region, where a number of unreinforced masonry (URM) buildings were located. Damage to residential building construction was also observed surrounding the downtown region, and became less severe farther away from town. …