With 241 documented natural disaster events, ZIP code 91330 in this area, has a substantial history of natural hazard activity. These include 217 earthquakes, 23 wildfires, and 1 hailstorm.
The dominant hazard type for this area is earthquakes, with 217 recorded events making up 90% of the area's disaster history. Of these, 4 (2%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for seismic events here is 5/5 (extreme). The most recent recorded earthquake occurred on May 3, 2020.
There have been 23 recorded wildfires in this area, representing 10% of all disaster events. The most recent recorded wildfire occurred on Oct 31, 2019.
this area has experienced 1 hailstorm on record. The most recent recorded hailstorm occurred on Mar 7, 2024.
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Based on federal and state records, ZIP code 91330 has experienced 241 natural disaster events. The hazard types affecting this area include earthquakes (217 events), wildfires (23 events), and hailstorm (1 event). The primary hazard is earthquakes, which account for 90% of all recorded events.
Earthquakes are the most frequently recorded hazard in this area, , with 217 events documented.
The most damaging natural disaster on record for ZIP code 91330 was 1" Hail, which occurred on Mar 7, 2024. It was rated at severity level 2/5.
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 →