Federal records document 79 natural disaster events in the Castro Valley, CA area (ZIP 94546). These include 73 earthquakes, 4 floods, and 2 wildfires. Total documented property damage amounts to $30. These events have resulted in 1 recorded death and 1 injury.
Earthquakes represent the most common natural hazard in this area, accounting for 92% of all recorded events (73 total). The most recent recorded earthquake occurred on Mar 18, 2025.
Castro Valley has experienced 4 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 4/5 (severe). Flood-related events have caused a combined $30 in documented property damage. 1 fatality has been attributed to floods in this area. The most recent recorded flood occurred on Nov 22, 2024.
Castro Valley has experienced 2 wildfires on record. The most recent recorded wildfire occurred on Jan 2, 2019.
The most significant disaster event on record for Castro Valley was Flood on Nov 22, 2024, which caused $10 in property damage.
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Based on federal and state records, ZIP code 94546 has experienced 79 natural disaster events. The hazard types affecting this area include earthquakes (73 events), floods (4 events), and wildfires (2 events). The primary hazard is earthquakes, which account for 92% of all recorded events.
Earthquakes are the most frequently recorded hazard in Castro Valley, CA, with 73 events documented.
Yes, Castro Valley (ZIP 94546) has 4 recorded flood events. These floods have caused $30 in total property damage. The most recent flood on record occurred on Nov 22, 2024.
The most damaging natural disaster on record for ZIP code 94546 was Flood, which occurred on Nov 22, 2024. This event caused $10 in documented property damage. It was rated at severity level 2/5.
Natural disasters have caused a documented total of $30 in property damage in the Castro Valley, CA area (ZIP 94546). 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 →