Pasadena, CA (ZIP 91101) has experienced 66 recorded natural disaster events based on federal and state agency records. These include 44 wildfires, 19 earthquakes, and 2 tornadoes.
Wildfires represent the most common natural hazard in this area, accounting for 67% of all recorded events (44 total). Of these, 2 (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 19 recorded earthquakes in this area, representing 29% of all disaster events. Of these, 2 (11%) 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.
Pasadena has experienced 2 tornadoes on record. The most recent recorded tornado occurred on Mar 20, 1992.
Pasadena 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 91101 has experienced 66 natural disaster events. The hazard types affecting this area include wildfires (44 events), earthquakes (19 events), tornadoes (2 events), and hailstorm (1 event). The primary hazard is wildfires, which account for 67% of all recorded events.
Wildfires are the most frequently recorded hazard in Pasadena, CA, with 44 events documented.
Pasadena 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 91101 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 →