With 419 documented natural disaster events, ZIP code 92539 in Anza, CA has a substantial history of natural hazard activity. These include 345 earthquakes, 71 wildfires, and 3 floods. Total documented property damage amounts to $510.5K.
The dominant hazard type for Anza is earthquakes, with 345 recorded events making up 82% of the area's disaster history. Of these, 5 (1%) 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 Dec 19, 2025.
Wildfires account for 17% of the disaster record here, with 71 events documented. Of these, 7 (10%) 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 Aug 7, 2024.
Anza has experienced 3 floods on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for flood-related events here is 5/5 (extreme). Flood-related events have caused a combined $510.5K in documented property damage. The most recent recorded flood occurred on Sep 5, 2013.
The most significant disaster event on record for Anza was Flash Flood on Sep 5, 2013, which caused $500K in property damage.
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Based on federal and state records, ZIP code 92539 has experienced 419 natural disaster events. The hazard types affecting this area include earthquakes (345 events), wildfires (71 events), and floods (3 events). The primary hazard is earthquakes, which account for 82% of all recorded events.
Earthquakes are the most frequently recorded hazard in Anza, CA, with 345 events documented.
Yes, Anza (ZIP 92539) has 3 recorded flood events. These floods have caused $510.5K in total property damage. The most recent flood on record occurred on Sep 5, 2013.
The most damaging natural disaster on record for ZIP code 92539 was Flash Flood, which occurred on Sep 5, 2013. This event caused $500K in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $510.5K in property damage in the Anza, CA area (ZIP 92539). 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 →