Federal records document 171 natural disaster events in the Diamond Bar, CA area (ZIP 91765). These include 92 wildfires, 71 earthquakes, and 5 floods. Total documented property damage amounts to $631K. Across all recorded events, 1 death has been attributed to natural disasters in this area.
With 92 recorded incidents (54% of all events), wildfires are the leading natural hazard for this ZIP code. Of these, 3 (3%) 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 Nov 2, 2020.
Earthquakes account for 42% of the disaster record here, with 71 events documented. Of these, 2 (3%) 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 Dec 28, 2019.
Diamond Bar has experienced 5 floods on record. Of these, 3 (60%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for flood-related events here is 5/5 (extreme). Flood-related events have caused a combined $631K in documented property damage. 1 fatality has been attributed to floods in this area. The most recent recorded flood occurred on May 22, 2019.
Diamond Bar has experienced 2 severe wind events on record. The most recent recorded severe wind event occurred on Apr 18, 2000.
Diamond Bar has experienced 1 hailstorm on record. The most recent recorded hailstorm occurred on Mar 1, 2014.
The most significant disaster event on record for Diamond Bar was Flash Flood on Jan 9, 2005, which caused $500K in property damage.
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Based on federal and state records, ZIP code 91765 has experienced 171 natural disaster events. The hazard types affecting this area include wildfires (92 events), earthquakes (71 events), floods (5 events), severe wind events (2 events), and hailstorm (1 event). The primary hazard is wildfires, which account for 54% of all recorded events.
Wildfires are the most frequently recorded hazard in Diamond Bar, CA, with 92 events documented.
Yes, Diamond Bar (ZIP 91765) has 5 recorded flood events. These floods have caused $631K in total property damage. The most recent flood on record occurred on May 22, 2019.
The most damaging natural disaster on record for ZIP code 91765 was Flash Flood, which occurred on Jan 9, 2005. This event caused $500K in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $631K in property damage in the Diamond Bar, CA area (ZIP 91765). This figure is based on historical records from FEMA, NOAA Storm Events Database, and USGS, and covers events from the 1950s through the present. Actual damages may be higher, as not all events have complete damage assessments.
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 →