42/100
Composite disaster-history score. Higher than 68% of U.S. counties. The Utah average is 38.
Our calculation — not a government figure. Method.
What goes into it
Federal disaster declarations11 since 1953
11th percentile of all counties
Severe storms (events & deaths)1 notable · 1 deaths
29th percentile of all counties
Earthquakes (M4.5+)1 · max M4.8
91th percentile of all counties
Large wildfires (1,000+ acres)1 · largest 3,019 ac
84th 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 Weber County →
Counties in Utah 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.