HazardMap

Connecticut natural disasters & FEMA declarations

CT · 47th most declarations of 51 states/DC

Connecticut has had 43 federally declared disasters since 1954, the 47th most of any US state or DC. Its most common hazard is Hurricane (14 declarations, about 33% of the total). The most recent declaration was "Hawthorne Fire " (Fire), on Oct 24, 2024.

Source: OpenFEMA Disaster Declarations Summaries v2. Data as of June 2026.

Declarations by hazard type

These are the distinct FEMA disaster declarations for Connecticut, grouped by their primary incident type. A single declaration can affect many counties; each is counted once here.

Hazard / incident typeDeclarationsShare of state total
Hurricane1433%
Severe Storm1228%
Snowstorm819%
Tornado37%
Flood37%
Biological25%
Fire12%

Source: OpenFEMA Disaster Declarations Summaries v2. Data as of June 2026.

Declarations by program type

FEMA issues several kinds of declaration. Major Disaster (DR) declarations unlock the widest assistance; Emergency (EM) declarations are more limited; and Fire Management Assistance (FM) grants help fight large wildfires.

Declaration typeDeclarations
Major Disaster (DR)26
Emergency (EM)16
Fire Management Assistance (FM)1

Source: OpenFEMA Disaster Declarations Summaries v2. Data as of June 2026.

Declarations by decade

How Connecticut's declaration count has changed over time. Earlier decades reflect both fewer disasters and a narrower federal declaration program; recent decades are the most complete.

DecadeDeclarations
1950s2
1970s1
1980s5
1990s5
2000s7
2010s13
2020s10

Source: OpenFEMA Disaster Declarations Summaries v2. Data as of June 2026.

Most recent declarations

Date Title Type FEMA ID
Oct 24, 2024 Hawthorne Fire Fire FM-5542-CT
Sep 20, 2024 Severe Storm, Flooding, Landslides, And Mudslides Severe Storm DR-4820-CT
Aug 21, 2024 Severe Storms, Flooding, Landslides, And Mudslides Severe Storm EM-3612-CT
Jan 13, 2024 Severe Storms, Flooding, And A Potential Dam Breach Severe Storm EM-3604-CT
Oct 30, 2021 Remnants Of Hurricane Ida Hurricane DR-4629-CT
Aug 22, 2021 Hurricane Henri Hurricane EM-3564-CT

Source: OpenFEMA Disaster Declarations Summaries v2. Data as of June 2026.

Notable earthquakes in or near Connecticut

No magnitude-6.0+ earthquakes are attributed to Connecticut in the USGS catalog used here. That does not mean the state has zero seismic risk — smaller earthquakes occur in most states. See our earthquake risk by region guide.

Frequently asked questions

How many federally declared disasters has Connecticut had?

Connecticut has had 43 distinct FEMA disaster declarations since 1954, the 47th most of any US state or DC, according to FEMA's Disaster Declarations Summaries.

What is the most common disaster in Connecticut?

The most common federally declared disaster type in Connecticut is "Hurricane", with 14 declarations — about 33% of the state's total.

When was the most recent disaster declaration in Connecticut?

The most recent FEMA declaration in Connecticut in this snapshot was "Hawthorne Fire " (Fire), declared Oct 24, 2024.

Related

Source & notes

Disaster data from OpenFEMA Disaster Declarations Summaries v2; earthquake data from USGS Earthquake Hazards Program (FDSN event service). Both are US public domain. Counts are distinct declarations (a declaration affecting many counties is counted once). HazardMap is not affiliated with or endorsed by FEMA or USGS; this is general information, not safety or insurance advice. Verify with official sources.

Last updated: 2026-06-18