🌍 ClimateRiskCheck

Natural Disaster Risk in Acton

California

7.6out of 10
High Risk

Risk Summary for Acton

Acton scores 7.6/10 (High risk), above the U.S. average of 4.5. The leading hazard is Earthquake.

Top Hazards

Earthquake Wildfire Avalanche

All 18 Hazard Scores

Wildfire
10.0
Earthquake
10.0
Extreme Heat
9.9
Landslide
9.9
Tsunami
9.9
Avalanche
9.9
Coastal Flooding
9.9
Tornado
9.8
Lightning
9.7
Hail
9.4
Strong Wind
7.8
Winter Weather
7.8
Drought
5.1
Volcanic Activity
5.1
Hurricane
2.4
Cold Wave
1.8
Ice Storm
1.3
Riverine Flooding
1.0

How it compares

Acton
7.6
California avg.
5.9
US national avg.
4.5

Live Conditions

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🏠 What this means for insurance

Above-average risk β€” check your policy limits

Standard homeowners insurance may not fully cover all hazards rated highly in this area. Verify that your policy includes adequate coverage for the top local hazards, and ask your insurer about specific endorsements or separate policies (e.g., flood, earthquake).

This is general information only. Consult a licensed insurance professional for advice specific to your property.

Natural Hazard Profile: Acton, California

Located in the southwestern United States with Pacific Coast influence in Los Angeles County, Acton is a town of roughly 7,786 residents. The Mediterranean climate that characterizes this part of California β€” marked by dry summers and mild, wet winters with pronounced drought cycles β€” directly influences the types and severity of natural hazards present, making Acton a community where hazard awareness has real practical value.

Acton's overall natural disaster risk is rated 7.6/10 (High) by FEMA's National Risk Index. Earthquake risk stands out in the local hazard profile, driven by proximity to fault systems with a history of significant ground movement. Secondary hazards include wildfire and avalanche.

Relative to other U.S. communities, Acton's natural disaster risk is well above the U.S. national average of 4.5/10, considerably above the 5.9/10 state average. The hazard distribution here is led by earthquake and wildfire, as measured by FEMA across Los Angeles County. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.

With a high natural disaster risk rating, Acton residents benefit from taking preparedness seriously. Reviewing insurance coverage for earthquake and secondary hazards, registering for emergency alerts, and maintaining a household emergency kit are practical steps that can significantly reduce impact during a major event.

What this means for Acton: Earthquake preparedness

  • Secure heavy furniture, water heaters, and shelving to wall studs to reduce injury and damage during shaking.
  • Identify "drop, cover, and hold on" spots in each room and keep an emergency kit with water for at least 72 hours.
  • Standard homeowners insurance excludes earthquake damage β€” a separate earthquake policy or endorsement is needed.

Local Factors for Acton

These city-level factors differentiate Acton from other communities in Los Angeles County and provide geographic context for its hazard exposure.

Population

7,786

Small Town

Geographic Zone

Pacific Coast

Tsunami, coastal flood & wildfire risk

Climate Band

Mild Temperate

Latitude 34.5Β°

Flood Terrain

Minimal β€” county topography limits flood risk

Flood score: 1.0/10

Wildfire Exposure

High β€” long dry fire season

Fire score: 10.0/10

Coordinates

34.4563Β° N, 118.2109Β° W

Los Angeles County

Population and coordinates from SimpleMaps US Cities data. Hazard scores from FEMA National Risk Index. Geographic classification derived from coordinates.

Recent Climate Data for Acton

Last 12 months Β· Source: Open-Meteo archive

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ZIP Codes in Acton

Other cities in California

Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. City scores inherit county-level FEMA data. For informational purposes only.