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Risk Report: FEMA Region X – Pierce County, Washington

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Risk Report: FEMA Region X – Pierce County, Washington A VIEW OF MT. RAINIER WITH THE TACOMA NARROWS BRIDGE IN THE FOREGROUND. PHOTO BY WSDOT. Risk Report FEMA Region X – Pierce County, Washington Unincorporated Areas of Pierce County; Cities of Auburn, Bonney Lake, Buckley, DuPont, Eatonville, Edgewood, Fife, Fircrest, Gig Harbor, Lakewood, Milton, Orting, Pacific, Puyallup, Roy, Sumner, Tacoma, and University Place; and Towns of Carbonado, Ruston, South Prairie, Steilacoom, and Wilkeson Table of Contents List of Maps .................................................................................................................................................. iv List of Tables ................................................................................................................................................ iv Executive Summary ....................................................................................................................................... 1 1. Introduction .......................................................................................................................................... 3 2. Risk Assessment .................................................................................................................................... 3 3. Pierce County Risk MAP Overview ........................................................................................................ 4 Project Milestones .................................................................................................................................... 4 Project Scope ............................................................................................................................................ 7 Additional Project Deliverables................................................................................................................. 7 4. Flood Risk Assessment .......................................................................................................................... 7 Flood Hazard Overview ............................................................................................................................. 7 Flood Risk Assessment Overview ............................................................................................................ 11 5. Earthquake Risk Assessment............................................................................................................... 16 Earthquake Hazard Overview ................................................................................................................. 16 ShakeMaps .............................................................................................................................................. 16 Earthquake Risk Assessment Overview .................................................................................................. 16 Transportation and Utility Assessment ................................................................................................... 21 Building Code Analysis ............................................................................................................................ 23 Liquefaction ............................................................................................................................................ 24 6. Landslide Risk Assessment .................................................................................................................. 26 Landslide Hazard Overview ..................................................................................................................... 26 Landslide Risk Assessment ...................................................................................................................... 26 7. Tsunami Risk Assessment ................................................................................................................... 29 Tsunami Hazard Overview ...................................................................................................................... 29 Tsunami Risk Assessment ....................................................................................................................... 29 8. Volcanic Risk Assessment.................................................................................................................... 32 Volcanic Hazard Overview ...................................................................................................................... 32 Volcanic Risk Assessment ....................................................................................................................... 32 9. Areas of Mitigation Interest and Recommended Resilience Strategies ............................................. 35 Hazard Mitigation Plan Analysis .......................................................................................................... 36 Recommended Resilience Strategies .................................................................................................. 36 PIERCE COUNTY RISK REPORT – SEPTEMBER 2016 i City of Auburn: Areas of Mitigation Interest and Recommended Resilience Strategies ........................ 37 Hazard Mitigation Plan Analysis .......................................................................................................... 38 Recommended Resilience Strategies .................................................................................................. 38 City of Bonney Lake: Areas of Mitigation Interest and Recommended Resilience Strategies ............... 39 Hazard Mitigation Plan Analysis .......................................................................................................... 40 Recommended Resilience Strategies .................................................................................................. 40 City of Buckley: Areas of Mitigation Interest and Recommended Resilience Strategies ....................... 41 Hazard Mitigation Plan Analysis .......................................................................................................... 42 Recommended Resilience Strategies .................................................................................................. 42 Town of Carbonado: Areas of Mitigation Interest and Recommended Resilience Strategies ............... 43 Hazard Mitigation Plan Analysis .......................................................................................................... 43 Recommended Resilience Strategies .................................................................................................. 44 City of DuPont: Areas of Mitigation Interest and Recommended Resilience Strategies ........................ 44 Hazard Mitigation Plan Analysis .......................................................................................................... 45 Recommended Resilience Strategies .................................................................................................. 45 Town of Eatonville: Areas of Mitigation Interest and Recommended Resilience Strategies ................. 46 Hazard Mitigation Plan Analysis .......................................................................................................... 46 Recommended Resilience Strategies .................................................................................................. 47 City of Edgewood: Areas of Mitigation Interest and Recommended Resilience Strategies ................... 47 Hazard Mitigation Plan Analysis .......................................................................................................... 48 Recommended Resilience Strategies .................................................................................................. 49 City of Fife: Areas of Mitigation Interest and Recommended Resilience Strategies .............................. 49 Hazard Mitigation Plan Analysis .......................................................................................................... 50 Recommended Resilience Strategies .................................................................................................. 50 City of Fircrest: Areas of Mitigation Interest and Recommended Resilience Strategies ........................ 51 Hazard Mitigation Plan Analysis .......................................................................................................... 52 Recommended Resilience Strategies .................................................................................................. 52 City of Gig Harbor: Areas of Mitigation Interest and Recommended Resilience Strategies .................. 53 Hazard Mitigation Plan Analysis .......................................................................................................... 54 Recommended Resilience Strategies .................................................................................................. 54 City of Lakewood: Areas of Mitigation Interest and Recommended Resilience Strategies ................... 55 Hazard Mitigation Plan Analysis .......................................................................................................... 56 Recommended Resilience Strategies .................................................................................................. 56 PIERCE COUNTY RISK REPORT – SEPTEMBER 2016 ii City of Milton: Areas of Mitigation Interest and Recommended Resilience Strategies ......................... 57 Hazard Mitigation Plan Analysis .........................................................................................................
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