Res21 16010 final - Laserfiche WebLink

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2021 Multijurisdictional Local Hazard Mitigation Plan Contents Figure 4-10. State of California and San Mateo County Unemployment Rate .................................................... 4-20 Figure 7-1. SoVI Map for San Mateo County ........................................................................................................ 7-4 Figure 8-1. Locations of Dams in San Mateo County ............................................................................................ 8-4 Figure 8-2. Dam Failure Inundation Area Used for Risk Assessment ................................................................... 8-6 Figure 8-3. Number of Structures within the Dam Failure Inundation Area by Occupancy Class ........................ 8-9 Figure 8-4. Critical Facilities in Dam Failure Inundation Zones and Countywide ................................................ 8-9 Figure 8-5. Estimated Damage to Critical Facilities from Dam Failure ............................................................... 8-11 Figure 9-1. Example Drought Index Maps (for June 2021) ................................................................................... 9-3 Figure 9-2. Hetch Hetchy Water System ................................................................................................................ 9-6 Figure 9-3. Percent of San Mateo County Affected by Each USDM Rating, 2000 – 2021 ................................... 9-9 Figure 10-1. Peak Acceleration (%g) with 2% Probability of Exceedance in 50 Years ....................................... 10-5 Figure 10-2. Significant Known Faults in the Bay Area ...................................................................................... 10-8 Figure 10-3. NEHRP Soil Class ......................................................................................................................... 10-10 Figure 10-4. Liquefaction Susceptibility ............................................................................................................ 10-11 Figure 10-5. Peak Ground Acceleration with 10% Probability of Exceedance in 50 Years .............................. 10-13 Figure 10-6. Critical Facilities Constructed on NEHRP Type D and E Soils, and Countywide ........................ 10-14 Figure 10-7. San Andreas Shake Map Scenario ................................................................................................. 10-15 Figure 10-8. San Gregorio Shake Map Scenario ................................................................................................ 10-16 Figure 10-9. Butano Shake Map Scenario .......................................................................................................... 10-17 Figure 10-10. Monte Vista Shake Map Scenario ................................................................................................ 10-18 Figure 10-11. 100-Year Probabilistic Scenario .................................................................................................. 10-19 Figure 10-12. Critical Facility Damage Potential, 100-Year Probabilistic Earthquake ..................................... 10-23 Figure 10-13. Critical Facility Damage Potential, San Andreas Fault Scenario ................................................ 10-23 Figure 10-14. Critical Facility Damage Potential, San Gregorio Fault Scenario ............................................... 10-24 Figure 10-15. Critical Facility Damage Potential, Butano Fault Scenario ......................................................... 10-24 Figure 10-16. Critical Facility Damage Potential, Monte Vista Fault Scenario ................................................. 10-25 Figure 10-17. Critical Facility Functionality, 100-Year Probabilistic Earthquake. ............................................ 10-25 Figure 10-18. Critical Facility Functionality, San Andreas Fault Scenario ........................................................ 10-26 Figure 10-19. Critical Facility Functionality, San Gregorio Fault Scenario....................................................... 10-26 Figure 10-20. Critical Facility Functionality, Butano Fault Scenario ................................................................ 10-27 Figure 10-21. Critical Facility Functionality, Monte Vista Fault Scenario ........................................................ 10-27 Figure 11-1. Limit of Moderate Wave Action ...................................................................................................... 11-4 Figure 11-2. FEMA Flood Hazard Areas ........................................................................................................... 11-14 Figure 11-3. Number of Structures by Occupancy Class in the 1 Percent-Annual-Chance Flood Zone ............ 11-20 Figure 11-4. Number of Structures by Occupancy Class in the 0.2 Percent-Annual-Chance Flood Zone ......... 11-20 Figure 11-5. Critical Facilities in Mapped Flood Hazard Areas and Countywide ............................................. 11-21 Figure 11-6. Estimated Damage to Critical Facilities from 1% Annual Chance Flood...................................... 11-26 Figure 11-7. Estimated Damage to Critical Facilities from 0.2% Annual Chance Flood ................................... 11-26 Figure 12-1. Common Types of Landslide ........................................................................................................... 12-2 Figure 12-2. Susceptibility to Deep-Seated Landslides ........................................................................................ 12-6 Figure 12-3. Building Occupancy Classes in the Mapped Landslide Hazard Zones ............................................ 12-8 Figure 12-4. Critical Facilities in Mapped Landslide Susceptibility Classes and Countywide ............................ 12-9 Figure 13-1. Sea-Level Rise Mapping for San Mateo County ............................................................................. 13-4 xi