Alhambra, CA (ZIP 91803) has experienced 83 recorded natural disaster events based on federal and state agency records. These include 72 earthquakes, 7 wildfires, and 3 tornadoes. A total of 1 injury has been reported across all events.
With 72 recorded incidents (87% of all events), earthquakes are the leading natural hazard for this ZIP code. Of these, 3 (4%) 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.
Alhambra has experienced 7 wildfires on record. The most recent recorded wildfire occurred on Jan 2, 2019.
Alhambra has experienced 3 tornadoes on record. The most recent recorded tornado occurred on Mar 22, 2023.
Alhambra has experienced 1 hailstorm on record. The most recent recorded hailstorm occurred on Mar 15, 2024.
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Based on federal and state records, ZIP code 91803 has experienced 83 natural disaster events. The hazard types affecting this area include earthquakes (72 events), wildfires (7 events), tornadoes (3 events), and hailstorm (1 event). The primary hazard is earthquakes, which account for 87% of all recorded events.
Earthquakes are the most frequently recorded hazard in Alhambra, CA, with 72 events documented.
Alhambra has 3 recorded tornado events in the historical record. The most recent tornado was recorded on Mar 22, 2023.
The most damaging natural disaster on record for ZIP code 91803 was M4.4 Earthquake, which occurred on Aug 12, 2024. It was rated at severity level 3/5.
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 →