ZIP code 96122, covering Portola, CA, has 68 natural disaster events in the historical record. These include 33 wildfires, 31 earthquakes, and 2 floods. Total documented property damage amounts to $2M.
The dominant hazard type for Portola is wildfires, with 33 recorded events making up 49% of the area's disaster history. The most recent recorded wildfire occurred on Feb 6, 2025.
There have been 31 recorded earthquakes in this area, representing 46% of all disaster events. 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 May 23, 2021.
Portola has experienced 2 floods on record. Of these, 2 (100%) 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 $2M in documented property damage. The most recent recorded flood occurred on Feb 7, 2017.
Portola has experienced 2 hailstorms on record. The most recent recorded hailstorm occurred on Sep 4, 2003.
The most significant disaster event on record for Portola was Flood on Feb 7, 2017, which caused $2M in property damage.
Explore disaster history for adjacent areas
Based on federal and state records, ZIP code 96122 has experienced 68 natural disaster events. The hazard types affecting this area include wildfires (33 events), earthquakes (31 events), floods (2 events), and hailstorms (2 events). The primary hazard is wildfires, which account for 49% of all recorded events.
Wildfires are the most frequently recorded hazard in Portola, CA, with 33 events documented.
Yes, Portola (ZIP 96122) has 2 recorded flood events. These floods have caused $2M in total property damage. The most recent flood on record occurred on Feb 7, 2017.
The most damaging natural disaster on record for ZIP code 96122 was Flood, which occurred on Feb 7, 2017. This event caused $2M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $2M in property damage in the Portola, CA area (ZIP 96122). 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 →