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<br /> <br />Earthquake <br /> <br /> Figure 10-5. Peak Ground Acceleration with 10% Probability of Exceedance in 50 Years <br /> <br /> <br />10.3.2 Property <br />According to County Assessor records, there are 194,052 buildings in the planning area. Most of the buildings <br />(95 percent) are residential. All buildings are considered to be exposed to the earthquake hazard. <br /> <br />10.3.3 Critical Facilities <br />Since the entire planning area has exposure to the earthquake hazard, all critical facilities components are <br />considered to be exposed. The breakdown of the numbers and types of facilities is presented in Table 4-5. Critical <br />facilities constructed on NEHRP Type D and E soils are particularly at risk from seismic events. Figure 10-6 <br />shows the number of critical facilities built on these soils in the planning area, by type of facility. <br /> <br />10.3.4 Environment <br />The entire planning area is exposed to the earthquake hazard, including all natural resources, habitat and wildlife. <br /> <br />10.4 VULNERABILITY <br />Earthquake vulnerability data for the risk assessment was generated using a Hazus Level 2 (user -defined) analysis <br />for the for the events listed in Table 10-5. The analysis results are summarized in the sections below, and more <br />detailed information, broken down by municipality, can be found in Appendix E. <br /> <br /> <br />10-13