43/100
Composite disaster-history score. Higher than 68% of U.S. counties. The California average is 67.
Our calculation — not a government figure. Method.
What goes into it
Federal disaster declarations15 since 1953
23th percentile of all counties
Severe storms (events & deaths)0 notable · 0 deaths
0th percentile of all counties
Earthquakes (M4.5+)9 · max M5.1
98th percentile of all counties
Large wildfires (1,000+ acres)7 · largest 17,790 ac
93th 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 Alpine County →
Counties in California 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.