Ontario is a city in San Bernardino CA with a population of 185,000. Primary hazards include earthquake / extreme heat / wildfire. Residents should maintain emergency preparedness supplies and follow local emergency management guidance.
// Preparedness Recommendations
- Ensure access to cooling or backup power.
- Store additional drinking water.
- Avoid outdoor activity during peak heat.
- Check on vulnerable individuals.
// Recommended Supplies
Essential gear for power outages, severe weather, and emergency situations in your area.
- Emergency Food Supplies
- Water Filtration & Storage
- Backup Generator
- Solar Backup Power
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// Risk Intelligence
| Threat Score | 7 / 10 High |
| Primary Hazard | Earthquake / Extreme Heat / Wildfire |
| FEMA Flood Zone | Zone X (Seismic High Risk) |
| County FEMA Declarations | 55 |
| Last Major Event | Apple Fire (2020) |
// Emergency Information
| Emergency Phone | (909) 395-2001 |
| Evacuation Routes | I-15 North, I-10 East, I-40 East, SR-18 |
| Elevation | 985 ft above sea level |
// County Risk Profile
San Bernardino County CA
California · Wildfire / Earthquake
View full county emergency preparedness profile →
8/10
High Risk
// Other Cities in San Bernardino County CA
Hesperia CA
Earthquake / Extreme Heat / Flash Flooding
6/10
Moderate
Rialto CA
Earthquake / Extreme Heat / Flash Flooding
7/10
High
Victorville CA
Earthquake / Extreme Heat / Flash Flooding
7/10
High
Fontana CA
Earthquake / Wildfire / Extreme Heat
7/10
High
Rancho Cucamonga CA
Earthquake / Wildfire / Extreme Heat
7/10
High