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California · FEMA + NOAA + National Risk Index

Del Norte County, CA

5 FEMA disaster declarations (2020–2023), with a FEMA National Risk Index rating of Relatively High. Most common hazard: Flood.

5
FEMA declarations
4
Major disasters
94
NRI risk · Relatively High
Flood
Top hazard

The verdict

Del Norte County ranks in the riskiest 6% of U.S. counties for FEMA-modeled hazard risk, with more federally declared disasters than 71% of the 2,791 counties FEMA tracks. FEMA rates the county's overall risk as Relatively High, based on 5 federal disaster declarations recorded since 2020, most often flood, 30% above the national county average of 4.

Riskiest 6%
of U.S. counties for FEMA National Risk Index score
Relatively High
FEMA National Risk Index rating
5
FEMA declarations vs 4 national county avg
2
flood declarations, the most common hazard here

FEMA's National Risk Index score reflects expected annual loss, social vulnerability, and community resilience; the declaration count above reflects only Presidentially declared disasters, not every hazard event.

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How does Del Norte County compare?

Del Norte County vs. every U.S. county

FEMA disaster declarations, all-time

5 Top 29% higher than 71% of 2,791 counties

This county 0 30 all U.S. counties FEMA tracks, bucketed by value

Each bar is a band; taller bars hold more counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source FEMA Disaster Declarations Summaries v2 · 2026-07-25

Del Norte County's FEMA Risk Index score

FEMA National Risk Index composite score vs. the California county average

0/100100/100California avg89/10094.4/100
FEMA National Risk Index composite score vs. the California county average

How disaster-prone is Del Norte County?

Declaration frequency

Del Norte County, California has recorded 5 FEMA disaster declarations between 2020 and 2023, of which 4 were classified as Major Disaster declarations (DR) requiring federal individual and public assistance. That puts the county's average at 1.7 declarations per year across a 3-year record, or roughly 36% below the California county average of 7.8 and 30% above the national county average of 3.8. The dominant disaster type on record is Flood, with 2 of 5 declarations falling under this category.

FEMA National Risk Index

This county sits among the highest-risk counties nationally on FEMA's National Risk Index, a composite score of 94.4/100 (Relatively High). Expected Annual Loss is rated Relatively Moderate (roughly $142.4M in annualized losses). Social vulnerability reads Relatively Moderate and community resilience Relatively Low, both critical modifiers of realized harm here. Of the 18 hazards FEMA models, Landslide stands out as the sharpest exposure here, rated Relatively High.

Flood exposure & the bottom line

Taken together, these indicators put Del Norte County at a moderate relative risk level, not the calmest county on record, but not among the most disaster-prone either.

Risk Assessment

Risk Level

Moderate

vs. California Avg

-36%

State avg: 7.8

vs. National Avg

+30%

National avg: 3.8

Avg Per Year

1.7

Over 3 years

FEMA NRI 8-hazard radar - Del Norte County

Del Norte County NRI risk profile 8-axis FEMA National Risk Index radar showing per-hazard composite scores for Earthquake 48, Flood 8, Hurricane 0, Tornado 8, Wildfire 25, Drought 25, Heat Wave 8, Winter Storm 8. Overall composite 16 of 100, classified Low. Earthquake Flood Hurricane Tornado Wildfire Drought Heat Wave Winter Storm 16 composite
Del Norte County NRI risk profile FIPS 06015 · composite 16/100 (Low)
How to read this radar

The radar plots Del Norte County's relative exposure to the eight headline natural hazards used by the FEMA National Risk Index. Each axis is the qualitative NRI risk rating (Very Low through Very High) re-expressed on a 0-100 scale so that the polygon shape lets you compare a county against another at a glance. A rounder polygon means broad multi-hazard exposure; a spiky polygon means one or two dominant hazards drive most of the modeled risk.

FEMA Records

5

Total declarations

NRI Source

FEMA 2023

Latest NRI release

County FIPS

06015

CA state code

Source: FEMA National Risk Index FEMA National Risk Index Per-county per-hazard ratings, 2023 release

Disaster Types

Flood 2
Severe Storm 1
Fire 1
Biological 1

Declaration Types

What DR / EM / FM mean

FEMA categorizes declarations as Major Disasters (DR), Emergencies (EM), or Fire Management Assistance (FM).

Major Disaster - 4 80.0%

of all 5 declarations

Emergency - 1 20.0%

of all 5 declarations

FEMA Declarations Timeline

Year Declarations
2023 3
2021 1
2020 1

Disaster Declarations

DR# Title Type Incident Date
4699 SEVERE WINTER STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES DR Severe Storm 2023-04-03
3592 SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES EM Flood 2023-03-10
4683 SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES DR Flood 2023-01-14
4569 WILDFIRES DR Fire 2020-10-16
4482 COVID-19 PANDEMIC DR Biological 2020-03-22

Storm Events in California

Storm Type Events Fatalities Injuries Property Damage
High Wind 4,876 14 30 $229.3M
Flood 3,682 33 31 $991.0M
Heavy Snow 2,071 6 0 $1.6M
Drought 2,039 0 0 $0
Dense Fog 1,820 59 164 $3.5M

Source: NOAA Storm Events Database NOAA Storm Events Database State-level aggregated data, 2015–2025

FEMA National Risk Index

Overall Risk

Relatively High

Score: 94.4/100

Expected Annual Loss

Relatively Moderate

$142.4M/year

Social Vulnerability

Relatively Moderate

Community Resilience

Relatively Low

Hazard Risk Breakdown

Landslide Relatively High
Tsunami Very High
Earthquake Relatively Moderate
Wildfire Relatively Low
Coastal Flooding Very Low
Avalanche Very Low
Drought Relatively Low
Heat Wave Very Low
Lightning Very Low
Winter Weather Very Low
Hail Very Low
Strong Wind Very Low
Tornado Very Low
Cold Wave No Rating

Source: FEMA National Risk Index (NRI) FEMA National Risk Index (NRI) Ratings reflect relative scores among all US counties. Data: hazards.fema.gov/nri

Counties with Similar Risk in California

Frequently Asked Questions

How many natural disasters has Del Norte County, California had?
Del Norte County, California has received 5 FEMA disaster declarations from 2020 to 2023. Of these, 4 were major disaster declarations.
What is the most common disaster type in Del Norte County?
The most common disaster type in Del Norte County is Flood, with 2 declarations. Other disaster types include Severe Storm (1), Fire (1), Biological (1).
How does Del Norte County's disaster risk compare to the California average?
Del Norte County has 5 disaster declarations, which is 36% lower than the California county average of 7.8 declarations. Compared to the national county average of 3.8, it is 30% higher.
How many major FEMA disaster declarations has Del Norte County received?
Del Norte County has received 4 major disaster declarations, representing 80% of all 5 disaster declarations. Major disaster declarations typically involve significant damage requiring federal assistance.
What types of storms are most common in California?
The most common storm types in California include High Wind (4,876 events), Flood (3,682 events), Heavy Snow (2,071 events). NOAA storm event data covers severe weather from 2015 to 2025.
What was the worst year for disasters in Del Norte County?
The most active year for disaster declarations in Del Norte County was 2023, with 3 declarations. The county has FEMA disaster data spanning 2020 to 2023.
What is the overall disaster risk level for Del Norte County?
With 5 FEMA disaster declarations on record, Del Norte County lands in the moderate-risk band, not unusually disaster-prone, but not spared either.
What is the FEMA National Risk Index score for Del Norte County?
According to the FEMA National Risk Index, Del Norte County, California has an overall risk score of 94.4 out of 100 (Relatively High). The county's social vulnerability rating is Relatively Moderate and community resilience is Relatively Low. The Expected Annual Loss (EAL) score is Relatively Moderate, representing $142.4M in annualized losses.
Which natural hazard poses the greatest risk to Del Norte County?
Based on FEMA NRI data, the highest-risk natural hazard in Del Norte County is Landslide (risk rating: Relatively High). Other significant hazards include Tsunami (Very High) and Earthquake (Relatively Moderate). These scores are based on FEMA's analysis of historical event frequency, exposed assets, and community vulnerability.
Data Sources & Methodology

Disaster declaration data comes from the FEMA OpenFEMA Disaster Declarations Summaries v2 API, which includes all federally declared disasters, emergencies, and fire management assistance grants.

Storm event data is sourced from the NOAA Storm Events Database (2015–2025), which tracks significant weather events including thunderstorms, tornadoes, floods, and winter storms.

This data is provided for informational purposes only. FEMA disaster declarations represent federal response actions and may not capture all local emergencies or weather events.

What this means for Del Norte County

Del Norte County, CA runs 36% below the California county average for federal disaster declarations (5 vs 8), a moderate historical load overall.

  • Its most common federal declaration type is major disaster (4 of 5) - know the hazards most likely here before they happen. California overview
  • See how this county ranks against the rest of the country for disaster frequency. Most-disaster rankings
  • Read how to read FEMA declarations, NRI risk scores, and what they do and don't tell you. Disaster-data guide

Historical declaration counts describe past federal response, not a forecast. For current threats, follow the National Weather Service and local officials; in an emergency call 911.

All federal data sources used on this page
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainHazard Editorial

Verify with FEMA → · Verify with FEMA NRI → · Verify with NOAA →

Every figure on PlainHazard is rendered directly from FEMA federal disaster data, no number is typed in by an editor. This page draws directly on FEMA federal disaster data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or national statistics report, or report a data error.