With 540 documented natural disaster events, ZIP code 91384 in Castaic, CA has a substantial history of natural hazard activity. These include 343 wildfires, 196 earthquakes, and 1 hailstorm.
The dominant hazard type for Castaic is wildfires, with 343 recorded events making up 64% of the area's disaster history. Of these, 20 (6%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for wildfire-related events here is 5/5 (extreme). The most recent recorded wildfire occurred on Mar 6, 2025.
Earthquakes account for 36% of the disaster record here, with 196 events documented. Of these, 5 (3%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for seismic events here is 4/5 (severe). The most recent recorded earthquake occurred on Feb 14, 2022.
Castaic has experienced 1 hailstorm on record. The most recent recorded hailstorm occurred on Apr 23, 1999.
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Based on federal and state records, ZIP code 91384 has experienced 540 natural disaster events. The hazard types affecting this area include wildfires (343 events), earthquakes (196 events), and hailstorm (1 event). The primary hazard is wildfires, which account for 64% of all recorded events.
Wildfires are the most frequently recorded hazard in Castaic, CA, with 343 events documented.
The most damaging natural disaster on record for ZIP code 91384 was Wildfire: FRENCHMAN (109 acres), which occurred on Mar 6, 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 →