b'Natural HazardsOVERVIEWIdaho is host to a variety of natural and manmadeprojects such as upgrading infrastructure to make disasters, with wildres, ooding, and severe stormsit more resilient from ooding (bridge and culvert being the three most common. Though otherupsizing, storm water management systems), wildre disasters have occurred such as, earthquakes, amitigation projects (fuels reduction, outreach, etc.), volcanic eruption, and a man-made engineeringvolunteer re assistance, hazard warning systems, disaster, known as the Teton Dam Collapse.1 The Idahoand seismic research and mapping. National studies State Hazard Mitigation Plan proles a total of 13indicate that investments in hazard mitigation will hazards and threats: pay dividends in the futurefor every dollar spent on a hazard mitigation activity, there are six dollars in 1. Flood (including dam/levee/canal failure) losses avoided. Furthermore, mitigation actions can 2. Wildre occur before or after a disaster event, so mitigation 3. Earthquake can be built into both preparedness actions and 4. Landslide recovery actions to improve conditions and make 5. Avalanche them more resilient after future disaster events.26. Drought7. Severe storm (including lightning, hail,WILDFIREand wind/tornado)8. Volcanic eruption A wildre can be dened as any non-structure, other 9. Cyber disruptions than prescribed, re that occurs in the wildland. 10. Pandemic For a wildre to occur, there must be a sucient 11. Radiological combination of oxygen, heat (lightning or human 12. Civil disturbances activities), and fuel (living vegetation, branches, 13. Hazardous material2 needles, standing dead snags, leaves, etc.). See Table1 for number of res by cause in 2016. Wildres Although natural hazards impact the state every year,can increase the probability of other natural disasters, only a few events receive a Federal Major Disasterespecially oods and mudows, by dramatically Declaration from the U.S. President. In the 1950s,altering the terrain and ground conditions. Fire federal disaster declarations began to aid statesmakes land susceptible to oods, and the debris, in responding to and recovering from the mostash, and newly exposed soil left from the re can devastating disasters. Since the inception of thethen form mudows. Moreover, the smoke from res program, 23 major disasters have been declared inposes a direct threat to health impacts, especially Idaho, with six occurring between 1976 and 1996.for the young and elderly, and can also result in loss Additionally, two federal emergency and ten reof tourist business. Wildres threaten Idahos critical management assistance declarations have beeninfrastructure, as well as resources such as water, issued for Idaho since the 1950s.1 timber, wildlife habitat, and recreation.2Since 2013, signicant mitigation actions haveWildres have caused signicant disasters been accomplished in Idaho. Nearly $16.5 millionthroughout Idahos history (see Figure 3 for major in combined federal funding has been awarded forwildre events by county). The summer res of 2000 Information in this section should be updated every ve years in tandem with the Idaho Oce of Emergency Managements State Hazard Mitigation Planhttps://ioem.idaho.gov/Natural Hazards 97'