| Magnitude | 2.3 |
| Region | OFFSHORE NORTHERN CALIFORNIA |
| Date time | 2026-09-21 22:41:51.2 UTC |
| Location | 40.307 ; -124.577 |
| Depth | 10 km |
| Distance | 242 km W of Chico, United States / pop: 121,000 / local time: 15:41:51.2 2026-09-21 48 km SW of Fortuna, United States / pop: 12,000 / local time: 15:41:51.2 2026-09-21 |
Source parameters provided by:
USGS Northern California Regional Network, USGS-Menlo Park, California -- Menlo Park, United States (NC)
All data providers for this event:
USGS Northern California Regional Network, USGS-Menlo Park, California -- Menlo Park, United States (NC)Further information can be found at:
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)