Two homes after the magnitude-6.0 earthquake in Napa, Calif., in 2014. The one that is not retrofitted was too structurally damaged to be immediately habitable (left) while the retrofitted home next door was structurally sound (right). Credit: California Earthquake Authority3 seismic strengthening elements from standard plan: anchors, shear panels, and angle bracket/ties
Shifted post and pier
Strengthening hardware for ‘bolt only’ installations: anchor plate to secure mudsill to foundation, and angle bracket to secure rim joist (floor) to mudsillCredit: Earthquake Bracing Incorporated
