64/100
Composite disaster-history score. Higher than 96% of U.S. counties. The California average is 67.
Our calculation — not a government figure. Method.
What goes into it
Federal disaster declarations21 since 1953
51th percentile of all counties
Severe storms (events & deaths)1 notable · 1 deaths
41th percentile of all counties
Earthquakes (M4.5+)3 · max M4.8
96th percentile of all counties
Large wildfires (1,000+ acres)7 · largest 24,927 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 Glenn 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.