ZIP code 91790, covering West Covina, CA, has 76 natural disaster events in the historical record. These include 65 wildfires, 8 earthquakes, and 3 hailstorms.
Wildfires represent the most common natural hazard in this area, accounting for 86% of all recorded events (65 total). The most recent recorded wildfire occurred on Jan 2, 2019.
West Covina has experienced 8 earthquakes on record. The most recent recorded earthquake occurred on May 3, 2011.
West Covina has experienced 3 hailstorms on record. The most recent recorded hailstorm occurred on Mar 24, 2024.
Explore disaster history for adjacent areas
Based on federal and state records, ZIP code 91790 has experienced 76 natural disaster events. The hazard types affecting this area include wildfires (65 events), earthquakes (8 events), and hailstorms (3 events). The primary hazard is wildfires, which account for 86% of all recorded events.
Wildfires are the most frequently recorded hazard in West Covina, CA, with 65 events documented.
The most damaging natural disaster on record for ZIP code 91790 was 1" Hail, which occurred on Mar 24, 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 →