| Magnitude | 3.1 |
| Region | SAN FRANCISCO BAY AREA, CALIF. |
| Date time | 2015-12-19 08:34:52.9 UTC |
| Location | 37.777 ; -121.966 |
| Depth | 9 km |
| Distance | 16 km NNE of Hayward, United States / pop: 158,000 / local time: 00:34:52.9 2015-12-19 1 km E of San Ramon, United States / pop: 76,100 / local time: 00:34:52.9 2015-12-19 |
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)