this area, (ZIP 91371) has experienced 79 recorded natural disaster events based on federal and state agency records. These include 51 earthquakes and 28 wildfires.
With 51 recorded incidents (65% of all events), earthquakes are the leading natural hazard for this ZIP code. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for seismic events here is 5/5 (extreme). The most recent recorded earthquake occurred on Jan 22, 2009.
There have been 28 recorded wildfires in this area, representing 35% of all disaster events. The most recent recorded wildfire occurred on Jan 21, 2021.
Explore disaster history for adjacent areas
Based on federal and state records, ZIP code 91371 has experienced 79 natural disaster events. The hazard types affecting this area include earthquakes (51 events) and wildfires (28 events). The primary hazard is earthquakes, which account for 65% of all recorded events.
Earthquakes are the most frequently recorded hazard in this area, , with 51 events documented.
The most damaging natural disaster on record for ZIP code 91371 was Wildfire: Old (463 acres), which occurred on Jan 21, 2021. It was rated at severity level 2/5.
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 →