Fairfield Disaster Risk Score & Hazard Analysis
With a population of 150,794 and a calculated risk score of 97.1, Fairfield faces unique challenges. This page is a complete hazard risk assessment for Fairfield, CA. Fairfield is a city with a rich history and bright future. But smart residents know to keep an eye on the forecast. We found that earthquakes rank among the highest local hazards.
Total Risk Score
Our algorithm assigns Fairfield a Risk Score of 97.107 out of 100. This score is heavily influenced by the high probability of Earthquake and Heat Wave.
Earthquake risk in Fairfield, California
Fairfield's location near active fault lines makes earthquake preparedness critical for all residents. While seismic retrofitting has improved infrastructure, the potential for a significant magnitude event remains a primary hazard concern for the region.
Fairfield Earthquake Safety
- β’Secure heavy furniture and water heaters to wall studs
- β’Create a family communication plan for when cell towers fail
- β’Keep sturdy shoes and a flashlight tied to your bedframe
Top Hazards for The Fairfield Area
Considering the historical weather trends in California, data indicates that Fairfield has a higher-than-average exposure to earthquakes. It is important to note that this metric (score: 99.3) aligns with federal disaster declarations for the county. The lack of warning time means your immediate environment must be safe by default.
Environmental studies focusing on California highlight that the area's infrastructure faces consistent tests from heat wave events. Additionally, federal hazard layers combined with local topography result in this 96.3 score. During these events, checking on elderly neighbors is a critical community responsibility.
In the broader context of California's climate, wildfires represent a significant vector of concern for Fairfield. Furthermore, recent climate normals and historical event data contribute to this elevated score of 88.1. Evacuation orders for wildfires are immediate; residents often have minutes, not hours, to leave.
Monitor Active Threats
Fairfield has identified seismic or wildfire risks. Check our real-time tracker for active events.

The Apartment Fortress
Living in Fairfield? Learn how to handle water storage, sanitation, and security in a small space.
How to Prepare in Fairfield
Read the Full Guide βIn Fairfield, warning times are minimal. The ground can shift without notice, making immediate physical safety your priority. Your home environment needs to be 'quake-proofed' long before the shaking starts.
Critical Action Checklist
- 1Store breakable items in low, latched cabinets.
- 2Prepare for secondary heat waves if power is lost.
- 3Secure heavy furniture and appliances to the walls.
- 4Identify safe spots (under sturdy tables) in each room.
- 5Keep a pair of sturdy shoes and a flashlight tied to your bedframe.
Essential Gear for Fairfield

Water
COOZMENT 3.2 Gallon Container with Spigot
A solid middle-ground option with a built-in spigot. Good for camping or countertop use.

Power
Petzl Actik Core Headlamp
600 lumens and rechargeable. Hands-free lighting is critical during power outages.

Water
Sawyer Products Mini Water Filtration System
Filters up to 100,000 gallons. Essential when tap water is compromised.
Your safety depends on your readiness. Start building your emergency kit for Earthquake now.
View Complete Gear Checklist βCompare Nearby Cities
| City | Risk Score | Analysis |
|---|---|---|
| Los Angeles | 100.0 | Choosing between Fairfield and Los Angeles? Fairfield presents a lower overall risk profile. |
| San Francisco | 98.3 | When compared to San Francisco, Fairfield is statistically safer. The difference of 1.2 points highlights local geological and meteorological variations. |
| San Diego | 99.6 | San Diego and Fairfield share similar regional risks, but our data gives Fairfield the edge in overall safety. |
| Riverside | 99.9 | Riverside and Fairfield share similar regional risks, but our data gives Fairfield the edge in overall safety. |
| Sacramento | 96.3 | When compared to Sacramento, Fairfield is slightly higher risk. The difference of 0.8 points highlights local geological and meteorological variations. |
Frequently Asked Questions
How common are Earthquakes in Fairfield?
With a risk score of 99.3 for Earthquake, Fairfield is considered highly vulnerable. Residents should have a specific plan for Earthquake events, which are the primary driver of the city's overall risk profile.
Is Fairfield safer than other cities in California?
It varies by hazard. While Fairfield has its own risk profile (Total Score: 97.1), it is among the higher-risk areas in California. See our state rankings for a direct comparison.
Should I move to Fairfield given the risk of Heat Wave?
Every city has risks. The threat of Heat Wave (Score: 96.3) is manageable with proper preparation. The local infrastructure in Fairfield is designed to handle this, but personal insurance and a 'go-bag' are recommended.
How does Fairfield compare to other cities in California?
See the full California Disaster Rankings to see how Fairfield stacks up against other cities in the state.