Multi-Hazard Mitigation Plan: Table of Contents

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19.2.2 Earthquakes................................................................................................................................19-4 19.2.3 Tsunamis.....................................................................................................................................19-5 19.2.4 Rainfall Flooding and High Waves.............................................................................................. 19-6 19.2.5 Lava Flows..................................................................................................................................19-7 19.2.6 Droughts and Wildfire................................................................................................................ 19-8 19.2.7 Landslides and Sea Cliff Erosion.................................................................................................. 19-8 19.3 PRIORITY CRITERIA......................................................................................................................... 19-9 19.4 IMPLEMENTATION PLAN.................................................................................................................19-10 19.S DISCUSSION ON PAST IMPLEMENTATION ACTIONS.................................................................................19-13 19.6 PRESENT IMPLEMENTATION ACTIONS.................................................................................................19-16 CHAPTER 20- PLAN UPDATE PROCEDURES..............................................................................................20-1 20.1 PLAN UPDATE PROCEDURES.............................................................................................................20-1 CHAPTER21- REFERENCES......................................................................................................................21-1 CHAPTER 22- GLOSSARY.........................................................................................................................22-1 CHAPTER 23- LOCAL MITIGATION PLAN REVIEW CROSSWALK.................................................................23-1 List of Figures Figure 1-1. Map showing all of the tsunamigenic earthquakes in the Pacific Ocean as colored circles.... 1-8 Figure 1-2. Wind contour map for the Island of Hawaii.The complex topography of the island creates acceleration and decelerations of a 105 mph basic design event windspeed as shown........ 1-9 Figure 1-3. Map of Tropical Cyclones Formed Worldwide from 1985 to 2005.......................................1-10 Figure 2-1. Hawaii resident survey on disaster preparedness.................................................................2-10 Figure 3-1. Land use for Hawaii County.....................................................................................................3-4 Figure 3-2. Critical facilities map of Hawaii Island.....................................................................................3-7 Figure 3-3. Critical facilities map,Hilo area zoom......................................................................................3-8 Figure 3-4. Critical facilities map,Puna area zoom....................................................................................3-9 Figure 3-5. Critical facilities map,Kona area zoom..................................................................................3-10 Figure 3-6. Critical facilities map,Kohala area zoom...............................................................................3-11 Figure3-7. UH Hilo Campus map.............................................................................................................3-12 Figure 3-8. UH Hilo/Hawaii CC Manono Campus map.............................................................................3-13 Figure 4-1. Typical diurnal wind patterns on Hawaii Island.......................................................................4-2 Figure 4-2. Monthly wind roses for Hilo International Airport(shown for each quarter).........................4-3 Figure 4-3. High Wind Events for Hawaii County by Month,January 1992 to October 2002....................4-5 Figure 4-4. Wind hazard curves for the Hawaiian Islands for Tropical Cyclone and Non-Tropical Winds.4-6 Figure 5-1. Extents of Hurricane storm surge inundation study................................................................5-3 Figure 5-2. Track of Hurricane Iwa and Iniki(Cheung, K.F.2003)..............................................................5-8 Figure 5-3. Historic Central Pacific hurricane tracks..................................................................................5-8 Figure 5-4. Central Pacific Hurricane Occurrences by month....................................................................5-9 Figure 5-5. Eastern and Central Pacific Hurricane frequency map.Contours show number of times a hurricane(intensity>64 knots)passes within 75 Nmi per 10 years......................................5-10 Figure 5-6. Wind speed recurrence intervals for Hawaii(from ASCE 7-2010 Standard).........................5-11 Figure 5-7. ASCE 7-10 relationship between Saffir/Simpson category and wind speed..........................5-11 Figure 5-8. Effective wind speed map(mph)for Hawaii Island(Chock,2007)........................................5-12 Figure 6-1. Massive coastal escarpment landslides into the ocean,Hamakua Coast................................6-2 Figure 6-2. Examples of earthquake-induced rock falls causing road hazard or closure...........................6-3 Figure 6-3. Slope hazards and soil types on Hawaii Island ........................................................................6-5 Figure 6-4. Precipitation and groundwater condition on Hawaii Island....................................................6-6 Figure 6-5. Landslide susceptibility map of Hawaii Island.........................................................................6-7 Figure 6-6. Map of historic landslide locations impacting major roads.....................................................6-8 V Hawaii County Multi-Hazard Mitigation Plan