81/100
Composite disaster-history score. Higher than 99% of U.S. counties. The Arizona average is 50.
Our calculation — not a government figure. Method.
What goes into it
Federal disaster declarations26 since 1953
75th percentile of all counties
Severe storms (events & deaths)8 notable · 6 deaths
70th percentile of all counties
Earthquakes (M4.5+)2 · max M4.9
95th percentile of all counties
Large wildfires (1,000+ acres)47 · largest 250,243 ac
98th percentile of all counties
Weights: declarations 40%, storms 25%, earthquakes 20%, wildfires 15%. Each layer is scored by its percentile rank among all counties, on a log scale so a handful of counties with enormous counts do not flatten everyone else.
See the full event history for Yavapai County →
Counties in Arizona with a similar score
This score summarises the past. It is not a forecast, an insurance rating, or a judgment about whether to live somewhere — for that, see FEMA's National Risk Index and current National Weather Service guidance. Sources: FEMA, USGS, NIFC, NOAA/NCEI.