Item 26 - Updated Hazard Mitigation Plan

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Hazard Mitigation Plan | 2022 Risk Assessment - 38 - Table: Calculated Priority Risk Index Ranking for the City of Santa Ana (Source: City of Santa Ana Planning Team) Hazard Probability Weighted 45% (x.45) Magnitude Severity Weighted 30% (x.3) Warning Time Weighted 15% (x.15) Duration Weighted 10% (x.1) CPRI Total Earthquake – Newport-Inglewood Fault M7.2 3 1.35 4 1.2 4 0.6 1 0.1 3.25 Earthquake – Whittier Fault M7.0 3 1.35 4 1.2 4 0.6 1 0.1 3.25 Earthquake – San Andreas Fault M7.9 3 1.35 3 0.9 4 0.6 1 0.1 2.95 Earthquake – Elsinore Fault M7.5 2 0.9 4 1.2 4 0.6 1 0.1 2.80 Earthquake – Compton M7.4 2 0.9 4 1.2 4 0.6 1 0.1 2.80 Earthquake – Anaheim M6.4 2 0.9 4 1.2 4 0.6 1 0.1 2.80 Flood 3 1.35 2 0.6 2 0.3 2 0.2 2.45 Epidemic/Pandemic/Vector-Borne Diseases 2 0.9 2 0.6 2 0.3 4 0.4 2.20 Climate Change 3 1.35 1 0.3 1 0.15 4 0.4 2.20 Drought 3 1.35 1 0.3 1 0.15 4 0.4 2.20 Extreme Heat 3 1.35 1 0.3 1 0.15 4 0.4 2.20 Q&A | ELEMENT B: HAZARD IDENTIFICATION AND RISK ASSESSMENT | B1b. Q: Does the plan provide rationale for the omission of any natural hazards that are commonly recognized to affect the jurisdiction(s) in the planning area? (Requirement §201.6(c)(2)(i)) A: See Profiling Hazard Events below. Q&A | ELEMENT B: HAZARD IDENTIFICATION AND RISK ASSESSMENT | B1c. Q: Does the plan include a description of the location for all natural hazards that can affect each jurisdiction? (Requirement §201.6(c)(2)(i)) A: See Profiling Hazard Events below. 2) Profiling Hazard Events This process describes the causes and characteristics of each hazard and what part of City facilities, infrastructure, and environment may be vulnerable to each specific hazard. A profile of each hazard discussed in this plan is provided in the Hazard Analysis. Table: Vulnerability: Location, Extent, and Probability for the City of Santa Ana indicates a generalized perspective of the City’s vulnerability of the various hazards according to extent (or degree), location, and probability.