Government records show 281 natural disaster events affecting the Etiwanda, CA area (ZIP 91739) — a notably active disaster history. These include 179 earthquakes, 88 wildfires, and 14 floods. Total documented property damage amounts to $372.5K.
The dominant hazard type for Etiwanda is earthquakes, with 179 recorded events making up 64% of the area's disaster history. 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 Dec 17, 2025.
Wildfires account for 31% of the disaster record here, with 88 events documented. Of these, 2 (2%) 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 5/5 (extreme). The most recent recorded wildfire occurred on Mar 14, 2023.
There have been 14 recorded floods in this area, representing 5% of all disaster events. Of these, 4 (29%) 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 4/5 (severe). Flood-related events have caused a combined $372.5K in documented property damage. The most recent recorded flood occurred on Mar 21, 2023.
The most significant disaster event on record for Etiwanda was Flash Flood on Jan 8, 2005, which caused $100K in property damage.
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Based on federal and state records, ZIP code 91739 has experienced 281 natural disaster events. The hazard types affecting this area include earthquakes (179 events), wildfires (88 events), and floods (14 events). The primary hazard is earthquakes, which account for 64% of all recorded events.
Earthquakes are the most frequently recorded hazard in Etiwanda, CA, with 179 events documented.
Yes, Etiwanda (ZIP 91739) has 14 recorded flood events. These floods have caused $372.5K in total property damage. The most recent flood on record occurred on Mar 21, 2023.
The most damaging natural disaster on record for ZIP code 91739 was Flash Flood, which occurred on Jan 8, 2005. This event caused $100K in documented property damage. It was rated at severity level 4/5.
Natural disasters have caused a documented total of $372.5K in property damage in the Etiwanda, CA area (ZIP 91739). 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 →