Federal records document 178 natural disaster events in the Ontario, CA area (ZIP 91762). These include 114 earthquakes, 54 wildfires, and 10 floods. Total documented property damage amounts to $157.5K. These events have resulted in 5 recorded deaths and 1 injury.
Earthquakes represent the most common natural hazard in this area, accounting for 64% of all recorded events (114 total). One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for seismic events here is 4/5 (severe). The most recent recorded earthquake occurred on Aug 6, 2025.
Wildfires account for 30% of the disaster record here, with 54 events documented. The most recent recorded wildfire occurred on Jan 2, 2019.
Ontario has experienced 10 floods on record. Of these, 5 (50%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for flood-related events here is 5/5 (extreme). Flood-related events have caused a combined $157.5K in documented property damage. 5 fatalities have been attributed to floods in this area. The most recent recorded flood occurred on Nov 8, 2022.
The most significant disaster event on record for Ontario was Flood on Oct 11, 2012, which caused $60K in property damage.
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Based on federal and state records, ZIP code 91762 has experienced 178 natural disaster events. The hazard types affecting this area include earthquakes (114 events), wildfires (54 events), and floods (10 events). The primary hazard is earthquakes, which account for 64% of all recorded events.
Earthquakes are the most frequently recorded hazard in Ontario, CA, with 114 events documented.
Yes, Ontario (ZIP 91762) has 10 recorded flood events. These floods have caused $157.5K in total property damage. The most recent flood on record occurred on Nov 8, 2022.
The most damaging natural disaster on record for ZIP code 91762 was Flood, which occurred on Oct 11, 2012. This event caused $60K in documented property damage. It was rated at severity level 4/5.
Natural disasters have caused a documented total of $157.5K in property damage in the Ontario, CA area (ZIP 91762). This figure is based on historical records from FEMA, NOAA Storm Events Database, and USGS, and covers events from the 1950s through the present. Actual damages may be higher, as not all events have complete damage assessments.
Data sourced from FEMA (disaster declarations, NFIP flood claims), NOAA Storm Events Database, USGS Earthquake Hazards Program, and NIFC wildfire records. Historical coverage varies by source, with most records beginning in the 1950s–1970s. Full methodology →