Modesto Disaster Risk Score & Hazard Analysis
With a population of 355,686 and a calculated risk score of 93.5, Modesto faces unique challenges. This page is a complete hazard risk assessment for Modesto, CA. Calling Modesto home means understanding its environment. While often overlooked, the local hazard data is clear. The numbers show a clear susceptibility to earthquakes.
Total Risk Score
Our algorithm assigns Modesto a Risk Score of 93.504 out of 100. This score is heavily influenced by the high probability of Earthquake and Wildfire.
Earthquake risk in Modesto, California
Modesto'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.
Modesto 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 Modesto Area
In the broader context of California's climate, earthquakes represent a significant vector of concern for Modesto. Furthermore, recent climate normals and historical event data contribute to this elevated score of 98.8. A 'drop, cover, and hold on' drill should be practiced by every family member annually.
Comparisons of local data to the rest of California reveal, Modesto faces a critical challenge with wildfire events. In light of this, with a calculated Risk Score of 94.5, this hazard ranks among the top concerns. Ember intrusion is a major threat; ensuring vents are screened is a critical home upgrade.
The geographical layout of California means that emergency services prioritize readiness for these heat wave scenarios. Therefore, deep learning models analyzing weather patterns output this risk metric of 92.7. Staying off the roads during a severe heat wave event is the safest choice.
Monitor Active Threats
Modesto has identified seismic or wildfire risks. Check our real-time tracker for active events.

The Apartment Fortress
Living in Modesto? Learn how to handle water storage, sanitation, and security in a small space.
How to Prepare in Modesto
Read the Full Guide βIn Modesto, 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.
- 2Secure heavy furniture and appliances to the walls.
- 3Identify safe spots (under sturdy tables) in each room.
- 4Keep a pair of sturdy shoes and a flashlight tied to your bedframe.
- 5Know how to shut off your gas line manually and have the tool nearby.
Essential Gear for Modesto

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.

Power
Petzl Actik Core Headlamp
600 lumens and rechargeable. Hands-free lighting is critical during power outages.
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 Modesto and Los Angeles? Modesto presents a lower overall risk profile. |
| San Francisco | 98.3 | When compared to San Francisco, Modesto is statistically safer. The difference of 4.8 points highlights local geological and meteorological variations. |
| San Diego | 99.6 | San Diego and Modesto share similar regional risks, but our data gives Modesto the edge in overall safety. |
| Riverside | 99.9 | Riverside and Modesto share similar regional risks, but our data gives Modesto the edge in overall safety. |
| Sacramento | 96.3 | When compared to Sacramento, Modesto is statistically safer. The difference of 2.8 points highlights local geological and meteorological variations. |
Frequently Asked Questions
How common are Earthquakes in Modesto?
With a risk score of 98.8 for Earthquake, Modesto 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 Modesto safer than other cities in California?
It varies by hazard. While Modesto has its own risk profile (Total Score: 93.5), it is among the higher-risk areas in California. See our state rankings for a direct comparison.
Should I move to Modesto given the risk of Wildfire?
Every city has risks. The threat of Wildfire (Score: 94.5) is manageable with proper preparation. The local infrastructure in Modesto is designed to handle this, but personal insurance and a 'go-bag' are recommended.
How does Modesto compare to other cities in California?
See the full California Disaster Rankings to see how Modesto stacks up against other cities in the state.