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6.1 DESCRIPTION OF HAZARD...................................................................................................................6-1 <br /> 6.1.1 Hazard Areas................................................................................................................................6-1 <br /> 6.2 SIGNIFICANT CATASTROPHIC EVENTS.....................................................................................................6-3 <br /> 6.3 PROBABILITY OF OCCURRENCE.............................................................................................................6-4 <br /> 6.4 RISK ASSESSMENT............................................................................................................................6-7 <br /> 6.5 MITIGATION STRATEGIES...................................................................................................................6-8 <br /> 6.5.1 Previous/Current Efforts............................................................................................................... 6-8 <br /> 6.5.2 Future Plans..................................................................................................................................6-9 <br /> CHAPTER 7- EARTHQUAKES....................................................................................................................7-1 <br /> 7.1 DESCRIPTION OF HAZARD...................................................................................................................7-1 <br /> 7.2 SIGNIFICANT HISTORIC EVENTS............................................................................................................7-6 <br /> 7.2.1 Kiholo Bay Earthquake................................................................................................................. 7-7 <br /> 7.3 PROBABILITY OF OCCURRENCE...........................................................................................................7-12 <br /> 7.4 RISK ASSESSMENT..........................................................................................................................7-18 <br /> 7.5 MITIGATION STRATEGIES.................................................................................................................7-18 <br /> 7.5.1 Previous/Current Efforts............................................................................................................. 7-18 <br /> 7.5.2 Future Plans................................................................................................................................ 7-23 <br /> CHAPTER 8- LAVA FLOWS,VOLCANIC GAS,AND ASHFALL.......................................................................8-1 <br /> 8.1 HAZARD DESCRIPTION.......................................................................................................................8-1 <br /> 8.1.1 Lava)Volcanoes............................................................................................................................ 8-1 <br /> 8.1.2 VOG..............................................................................................................................................8-2 <br /> 8.1.3 Ashfall...........................................................................................................................................8-9 <br /> 8.2 SIGNIFICANT HISTORIC EVENTS............................................................................................................8-9 <br /> 8.2.1 Mauna Loa....................................................................................................................................8-9 <br /> 8.2.2 Kilauea........................................................................................................................................8-10 <br /> 8.3 PROBABILITY OF OCCURRENCE...........................................................................................................8-11 <br /> 8.3.1 Hazard Areas.............................................................................................................................. 8-11 <br /> 8.4 RISK ASSESSMENT..........................................................................................................................8-14 <br /> 8.5 MITIGATION STRATEGIES.................................................................................................................8-14 <br /> 8.5.1 Previous/Current Efforts............................................................................................................. 8-14 <br /> 8.5.2 Future Plans................................................................................................................................8-18 <br /> CHAPTER9- TSUNAMIS...........................................................................................................................9-1 <br /> 9.1 DESCRIPTION OF HAZARD...................................................................................................................9-1 <br /> 9.2 SIGNIFICANT HISTORIC EVENTS............................................................................................................9-3 <br /> 9.3 PROBABILITY OF OCCURRENCE.............................................................................................................9-5 <br /> 9.3.2 Hazard Areas................................................................................................................................9-6 <br /> 9.4 RISK ASSESSMENT..........................................................................................................................9-11 <br /> 9.5 MITIGATION STRATEGIES.................................................................................................................9-14 <br /> 9.5.1 Previous/Current Efforts............................................................................................................. 9-14 <br /> 9.5.2 Future Plans................................................................................................................................9-16 <br /> CHAPTER 10- FLOODS.............................................................................................................................10-1 <br /> 10.1 DESCRIPTION OF HAZARD................................................................................................................. 10-1 <br /> 10.1.1 Rainfall Flooding......................................................................................................................... 10-1 <br /> 10.1.2 Dams...........................................................................................................................................10-3 <br /> 10.2 SIGNIFICANT HISTORICAL EVENTS....................................................................................................... 10-4 <br /> 10.3 PROBABILITY OF OCCURRENCE........................................................................................................... 10-7 <br /> 10.3.1 Regional Hazards........................................................................................................................ 10-8 <br /> 10.4 MITIGATION STRATEGIES................................................................................................................10-24 <br /> 10.4.1 Previous/Current Efforts........................................................................................................... 10-24 <br /> ii Hawaii County Multi-Hazard Mitigation Plan <br />