Government agency data shows 17 natural disaster events for ZIP 93528 in Johannesburg, CA. These include 6 earthquakes, 6 floods, and 5 wildfires. Total documented property damage amounts to $83K.
With 6 recorded incidents (35% of all events), earthquakes are the leading natural hazard for this ZIP code. The most recent recorded earthquake occurred on Jun 4, 2017.
Johannesburg has experienced 6 floods on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for flood-related events here is 4/5 (severe). Flood-related events have caused a combined $83K in documented property damage. The most recent recorded flood occurred on Aug 20, 2023.
Johannesburg has experienced 5 wildfires on record. The most recent recorded wildfire occurred on Jan 19, 2025.
The most significant disaster event on record for Johannesburg was Flood on Dec 19, 2010, which caused $50K in property damage.
Explore disaster history for adjacent areas
Based on federal and state records, ZIP code 93528 has experienced 17 natural disaster events. The hazard types affecting this area include earthquakes (6 events), floods (6 events), and wildfires (5 events). The primary hazard is earthquakes, which account for 35% of all recorded events.
Earthquakes are the most frequently recorded hazard in Johannesburg, CA, with 6 events documented.
Yes, Johannesburg (ZIP 93528) has 6 recorded flood events. These floods have caused $83K in total property damage. The most recent flood on record occurred on Aug 20, 2023.
The most damaging natural disaster on record for ZIP code 93528 was Flood, which occurred on Dec 19, 2010. This event caused $50K in documented property damage. It was rated at severity level 4/5.
Natural disasters have caused a documented total of $83K in property damage in the Johannesburg, CA area (ZIP 93528). 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 →