Seismic activity. Badly braced for the big one.
Vanchieri
C
C
D002140:California; D004189:Disaster Planning / Q000331:legislation & jurisprudence*; D004190:Disasters; D005161:Facility Regulation and Control; D006749:Hospital Design and Construction / Q000331:legislation & jurisprudence* / Q000592:standards; D013220:State Health Planning and Development Agencies; D014481:United States