ZIP code 91103, covering Pasadena, CA, has 68 natural disaster events in the historical record. These include 55 wildfires, 11 earthquakes, and 1 hailstorm.
The dominant hazard type for Pasadena is wildfires, with 55 recorded events making up 81% of the area's disaster history. Of these, 3 (5%) 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.
There have been 11 recorded earthquakes in this area, representing 16% of all disaster events. One event reached severity level 4 or 5 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.
Pasadena has experienced 1 hailstorm on record. The most recent recorded hailstorm occurred on Oct 17, 2005.
Pasadena has experienced 1 tornado on record. The most recent recorded tornado occurred on Mar 20, 1992.
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Based on federal and state records, ZIP code 91103 has experienced 68 natural disaster events. The hazard types affecting this area include wildfires (55 events), earthquakes (11 events), hailstorm (1 event), and tornado (1 event). The primary hazard is wildfires, which account for 81% of all recorded events.
Wildfires are the most frequently recorded hazard in Pasadena, CA, with 55 events documented.
Pasadena has 1 recorded tornado event in the historical record. The most recent tornado was recorded on Mar 20, 1992.
The most damaging natural disaster on record for ZIP code 91103 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 →