Onyx, CA (ZIP 93255) sits in one of the more disaster-active areas in the region, with 211 natural disaster events on record. These include 169 earthquakes, 41 wildfires, and 1 flood. Total documented property damage amounts to $5K.
The dominant hazard type for Onyx is earthquakes, with 169 recorded events making up 80% of the area's disaster history. Of these, 2 (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 22, 2024.
There have been 41 recorded wildfires in this area, representing 19% of all disaster events. Of these, 4 (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 4/5 (severe). The most recent recorded wildfire occurred on Sep 12, 2024.
Onyx has experienced 1 flood on record. Flood-related events have caused a combined $5K in documented property damage. The most recent recorded flood occurred on Jul 30, 2011.
The most significant disaster event on record for Onyx was Flash Flood on Jul 30, 2011, which caused $5K in property damage.
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Based on federal and state records, ZIP code 93255 has experienced 211 natural disaster events. The hazard types affecting this area include earthquakes (169 events), wildfires (41 events), and flood (1 event). The primary hazard is earthquakes, which account for 80% of all recorded events.
Earthquakes are the most frequently recorded hazard in Onyx, CA, with 169 events documented.
Yes, Onyx (ZIP 93255) has 1 recorded flood event. These floods have caused $5K in total property damage. The most recent flood on record occurred on Jul 30, 2011.
The most damaging natural disaster on record for ZIP code 93255 was Flash Flood, which occurred on Jul 30, 2011. This event caused $5K in documented property damage. It was rated at severity level 2/5.
Natural disasters have caused a documented total of $5K in property damage in the Onyx, CA area (ZIP 93255). 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 →