Glendora, CA (ZIP 91740) has experienced 115 recorded natural disaster events based on federal and state agency records. These include 96 wildfires, 15 earthquakes, and 2 hailstorms. Total documented property damage amounts to $25K.
Wildfires represent the most common natural hazard in this area, accounting for 83% of all recorded events (96 total). Of these, 4 (4%) 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 6, 2020.
There have been 15 recorded earthquakes in this area, representing 13% of all disaster events. The most recent recorded earthquake occurred on Aug 29, 2018.
Glendora has experienced 2 hailstorms on record. The most recent recorded hailstorm occurred on Mar 24, 2024.
Glendora has experienced 1 tornado on record. Tornado-related events have caused a combined $25K in documented property damage. The most recent recorded tornado occurred on Nov 25, 1965.
Glendora has experienced 1 severe wind event on record. The most recent recorded severe wind event occurred on Sep 2, 1998.
The most significant disaster event on record for Glendora was EF1 Tornado on Nov 25, 1965, which caused $25K in property damage.
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Based on federal and state records, ZIP code 91740 has experienced 115 natural disaster events. The hazard types affecting this area include wildfires (96 events), earthquakes (15 events), hailstorms (2 events), tornado (1 event), and severe wind event (1 event). The primary hazard is wildfires, which account for 83% of all recorded events.
Wildfires are the most frequently recorded hazard in Glendora, CA, with 96 events documented.
Glendora has 1 recorded tornado event in the historical record. Total property damage from tornadoes in this area is $25K. The most recent tornado was recorded on Nov 25, 1965.
The most damaging natural disaster on record for ZIP code 91740 was EF1 Tornado, which occurred on Nov 25, 1965. This event caused $25K in documented property damage. It was rated at severity level 2/5.
Natural disasters have caused a documented total of $25K in property damage in the Glendora, CA area (ZIP 91740). 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 →