Federal records document 91 natural disaster events in the San Marino, CA area (ZIP 91108). These include 56 earthquakes, 32 wildfires, and 2 tornadoes.
Earthquakes represent the most common natural hazard in this area, accounting for 62% of all recorded events (56 total). Of these, 3 (5%) 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 Aug 12, 2024.
There have been 32 recorded wildfires in this area, representing 35% of all disaster events. Of these, 2 (6%) 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 Jan 31, 2025.
San Marino has experienced 2 tornadoes on record. The most recent recorded tornado occurred on Mar 20, 1992.
San Marino has experienced 1 hailstorm on record. The most recent recorded hailstorm occurred on Oct 17, 2005.
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Based on federal and state records, ZIP code 91108 has experienced 91 natural disaster events. The hazard types affecting this area include earthquakes (56 events), wildfires (32 events), tornadoes (2 events), and hailstorm (1 event). The primary hazard is earthquakes, which account for 62% of all recorded events.
Earthquakes are the most frequently recorded hazard in San Marino, CA, with 56 events documented.
San Marino has 2 recorded tornado events in the historical record. The most recent tornado was recorded on Mar 20, 1992.
The most damaging natural disaster on record for ZIP code 91108 was Wildfire: EATON (14.1K acres), which occurred on Jan 31, 2025. It was rated at severity level 4/5.
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 →