Sunnyvale, CA (ZIP 94087) has a moderate disaster history with 23 recorded events. These include 10 earthquakes, 6 floods, and 3 tornadoes. Total documented property damage amounts to $7.4M. These events have resulted in 7 recorded deaths and 12 injuries.
With 10 recorded incidents (43% of all events), earthquakes are the leading natural hazard for this ZIP code. The most recent recorded earthquake occurred on Jul 8, 2025.
Sunnyvale has experienced 6 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 $500K in documented property damage. 1 fatality has been attributed to floods in this area. The most recent recorded flood occurred on Mar 2, 2024.
Sunnyvale has experienced 3 tornadoes on record. Tornado-related events have caused a combined $6.6M in documented property damage. The most recent recorded tornado occurred on May 5, 1998.
Sunnyvale has experienced 2 wildfires on record. The most recent recorded wildfire occurred on Jan 2, 2019.
Sunnyvale has experienced 1 extreme heat event on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for heat-related events here is 5/5 (extreme). 6 fatalities have been attributed to extreme heat events in this area. The most recent recorded extreme heat event occurred on Jun 14, 2000.
Sunnyvale has experienced 1 severe wind event on record. Wind-related events have caused a combined $250K in documented property damage. The most recent recorded severe wind event occurred on Mar 19, 2000.
The most significant disaster event on record for Sunnyvale was EF2 Tornado on May 5, 1998, which caused $3.8M in property damage. Another major event was EF2 Tornado (Jan 11, 1951), causing $2.5M in damages.
Explore disaster history for adjacent areas
Based on federal and state records, ZIP code 94087 has experienced 23 natural disaster events. The hazard types affecting this area include earthquakes (10 events), floods (6 events), tornadoes (3 events), wildfires (2 events), extreme heat event (1 event), and severe wind event (1 event). The primary hazard is earthquakes, which account for 43% of all recorded events.
Earthquakes are the most frequently recorded hazard in Sunnyvale, CA, with 10 events documented.
Yes, Sunnyvale (ZIP 94087) has 6 recorded flood events. These floods have caused $500K in total property damage. The most recent flood on record occurred on Mar 2, 2024.
Sunnyvale has 3 recorded tornado events in the historical record. The strongest tornado recorded reached severity level 3/5 on the normalized scale. Total property damage from tornadoes in this area is $6.6M. The most recent tornado was recorded on May 5, 1998.
The most damaging natural disaster on record for ZIP code 94087 was EF2 Tornado, which occurred on May 5, 1998. This event caused $3.8M in documented property damage. It was rated at severity level 3/5.
Natural disasters have caused a documented total of $7.4M in property damage in the Sunnyvale, CA area (ZIP 94087). 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 →