Fontana Disaster Risk Score & Hazard Analysis
With a population of 211,921 and a calculated risk score of 99.8, Fontana faces unique challenges. This page is a complete hazard risk assessment for Fontana, CA. Calling Fontana home means understanding its environment. While often overlooked, the local hazard data is clear. The numbers show a clear susceptibility to wildfires.
Total Risk Score
With a calculated Risk Score of 99.828, Fontana requires specific preparation. The data highlights Wildfire as the most critical threat to mitigate.
Wildfire risk in Fontana, California
The dry climate and vegetation surrounding Fontana create conducive conditions for wildfires, especially during drought seasons. Residents in the wildland-urban interface need to be particularly vigilant about defensible space.
Fontana Wildfire Evacuation Plan
- β’Clear dry leaves and debris from gutters and roof
- β’Have a 'Go Bag' packed and ready near the door
- β’Sign up for local emergency alerts
Top Hazards for The Fontana Area
Comparisons of local data to the rest of California reveal, Fontana faces a critical challenge with wildfire events. In light of this, with a calculated Risk Score of 99.9, this hazard ranks among the top concerns. Ember intrusion is a major threat; ensuring vents are screened is a critical home upgrade.
As part of the wider California region, the threat of earthquakes should not be underestimated. However, this quantitative assessment yields a precise risk factor of 99.9. Unlike weather events, a earthquake offers no warning, demanding 24/7 readiness.
From a statewide perspective in California, seasonality plays a huge role in the intensity of river flooding here. Consequently, our algorithm flags this as a priority area with a calculated intensity of 99.4. Community resilience depends on every household having a plan for river flooding.
Monitor Active Threats
Fontana has identified seismic or wildfire risks. Check our real-time tracker for active events.

The Apartment Fortress
Living in Fontana? Learn how to handle water storage, sanitation, and security in a small space.
How to Prepare in Fontana
Read the Full Guide βResidents of Fontana must prioritize defensible space and air quality. Fire moves fast, and smoke can be just as dangerous. Your preparation should focus on rapid evacuation and respiratory protection.
Critical Action Checklist
- 1Keep gutters clean of dry leaves and debris.
- 2Have N95 masks in your kit for smoke protection.
- 3Pack a 'Go-Bag' with wool blankets and protective clothing.
- 4Know at least two evacuation routes out of your neighborhood.
- 5Create defensible space by clearing dry vegetation 30ft from your home.
Essential Gear for Fontana

Water
Sawyer Products Mini Water Filtration System
Filters up to 100,000 gallons. Essential when tap water is compromised.

Power
Anker PowerCore 10K
Pocket-sized power to keep your phone alive for emergency calls.

Water
Scepter 5 Gallon Water Container
Bombproof water storage. 5 gallons is the minimum for one person for 5 days.
Do not wait for a Wildfire warning to start packing. Secure your essential gear today.
View Complete Gear Checklist βCompare Nearby Cities
| City | Risk Score | Analysis |
|---|---|---|
| Los Angeles | 100.0 | Los Angeles and Fontana share similar regional risks, but our data gives Fontana the edge in overall safety. |
| San Francisco | 98.3 | Choosing between Fontana and San Francisco? Fontana presents a unique set of challenges. |
| San Diego | 99.6 | When compared to San Diego, Fontana is slightly higher risk. The difference of 0.3 points highlights local geological and meteorological variations. |
| Riverside | 99.9 | When compared to Riverside, Fontana is statistically safer. The difference of 0.1 points highlights local geological and meteorological variations. |
| Sacramento | 96.3 | Choosing between Fontana and Sacramento? Fontana presents a unique set of challenges. |
Frequently Asked Questions
How common are Wildfires in Fontana?
With a risk score of 99.9 for Wildfire, Fontana is considered highly vulnerable. Residents should have a specific plan for Wildfire events, which are the primary driver of the city's overall risk profile.
Is Fontana safer than other cities in California?
It varies by hazard. While Fontana has its own risk profile (Total Score: 99.8), it is among the higher-risk areas in California. See our state rankings for a direct comparison.
Should I move to Fontana given the risk of Earthquake?
Every city has risks. The threat of Earthquake (Score: 99.9) is manageable with proper preparation. The local infrastructure in Fontana is designed to handle this, but personal insurance and a 'go-bag' are recommended.
How does Fontana compare to other cities in California?
See the full California Disaster Rankings to see how Fontana stacks up against other cities in the state.