| Magnitude | 4.7 |
| Region | NORTHERN CALIFORNIA |
| Date time | 2023-09-30 15:26:27.7 UTC |
| Location | 40.538 ; -124.280 |
| Depth | 17 km |
| Distance | 226 km WNW of Chico, United States / pop: 121,000 / local time: 08:26:27.7 2023-09-30 12 km SW of Fortuna, United States / pop: 12,000 / local time: 08:26:27.7 2023-09-30 |
Source parameters reviewed by a seismologist
All data providers for this event:
Alaska Tsunami Warning Seismic System, West Coast and Alaska Tsunami Warning Center -- Anchorage, United States (AT)EMSC - CSLOC -- Arpajon, France (CSLC)
Earthquake Early Warning System (ShakeAlert) -- California, United States (EW)
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)
Geophysical Survey of the Russian Academy of Sciences -- Obninsk, Russia (GSRAS)
USGS Northern California Regional Network, USGS-Menlo Park, California -- Menlo Park, United States (NC)
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)
Further information can be found at:
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)