With 875 documented natural disaster events, ZIP code 95020 in Gilroy, CA has a substantial history of natural hazard activity. These include 832 earthquakes, 22 wildfires, and 11 floods. Total documented property damage amounts to $6.7M. These events have resulted in 1 recorded death and 44 injuries.
The dominant hazard type for Gilroy is earthquakes, with 832 recorded events making up 95% of the area's disaster history. Of these, 8 (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 Nov 28, 2025.
There have been 22 recorded wildfires in this area, representing 3% of all disaster events. The most recent recorded wildfire occurred on Jul 27, 2022.
There have been 11 recorded floods in this area, representing 1% of all disaster events. Of these, 4 (36%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for flood-related events here is 5/5 (extreme). Flood-related events have caused a combined $5.4M in documented property damage. 1 fatality has been attributed to floods in this area. The most recent recorded flood occurred on Mar 2, 2024.
Gilroy has experienced 4 hailstorms on record. The most recent recorded hailstorm occurred on Oct 10, 2012.
Gilroy has experienced 3 severe wind events on record. Wind-related events have caused a combined $1M in documented property damage. The most recent recorded severe wind event occurred on Dec 7, 2004.
Gilroy has experienced 2 tornadoes on record. Tornado-related events have caused a combined $250K in documented property damage. The most recent recorded tornado occurred on Dec 20, 2001.
The most significant disaster event on record for Gilroy was Flash Flood on Oct 13, 2009, which caused $3M in property damage. Another major event was Flood (Jan 27, 2021), causing $2M in damages. 78 mph High Wind on Nov 24, 2001 also caused significant damage ($1M).
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Based on federal and state records, ZIP code 95020 has experienced 875 natural disaster events. The hazard types affecting this area include earthquakes (832 events), wildfires (22 events), floods (11 events), hailstorms (4 events), severe wind events (3 events), tornadoes (2 events), and extreme heat event (1 event). The primary hazard is earthquakes, which account for 95% of all recorded events.
Earthquakes are the most frequently recorded hazard in Gilroy, CA, with 832 events documented.
Yes, Gilroy (ZIP 95020) has 11 recorded flood events. These floods have caused $5.4M in total property damage. The most recent flood on record occurred on Mar 2, 2024.
Gilroy has 2 recorded tornado events in the historical record. Total property damage from tornadoes in this area is $250K. The most recent tornado was recorded on Dec 20, 2001.
The most damaging natural disaster on record for ZIP code 95020 was Flash Flood, which occurred on Oct 13, 2009. This event caused $3M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $6.7M in property damage in the Gilroy, CA area (ZIP 95020). 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 →