Concord, CA (ZIP 94521) has experienced 85 recorded natural disaster events based on federal and state agency records. These include 65 earthquakes and 20 wildfires.
Earthquakes represent the most common natural hazard in this area, accounting for 76% of all recorded events (65 total). The most recent recorded earthquake occurred on Sep 15, 2025.
There have been 20 recorded wildfires in this area, representing 24% of all disaster events. The most recent recorded wildfire occurred on Jul 31, 2024.
Explore disaster history for adjacent areas
Based on federal and state records, ZIP code 94521 has experienced 85 natural disaster events. The hazard types affecting this area include earthquakes (65 events) and wildfires (20 events). The primary hazard is earthquakes, which account for 76% of all recorded events.
Earthquakes are the most frequently recorded hazard in Concord, CA, with 65 events documented.
The most damaging natural disaster on record for ZIP code 94521 was M3.3 Earthquake, which occurred on Sep 15, 2025. 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 →