USGSOctober 22, 2026
M3.3 earthquake, 14 km SE of Petrolia, CA
A magnitude 3.3 earthquake was recorded 14 km SE of Petrolia, CA at a depth of 11 km, according to the U.S. Geological Survey. It was the 10,191st earthquake of magnitude 2.5 or more the USGS located in and near the U.S. in 2026, against 12,608 a year on average in 2016-2025.
M3.3
The notice
- Issued by
- U.S. Geological Survey
- Area
- 14 km SE of Petrolia, CA
- State
- California
- Magnitude
- 3.3 (local magnitude)
- Depth
- 11.0 km
- Time
- 2026-10-22 01:43:10 UTC
- Felt reports
- 13 people told the USGS they felt it (strongest reported intensity 3.4)
- Status
- automatic solution (may be revised)
- Epicentre
- 40.235, -124.171
- Official source
- U.S. Geological Survey: the notice at its source
Warnings and earthquakes in CaliforniaEarthquakes, October 2026
Source: U.S. Geological Survey: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.