| Magnitude | 3.3 |
| Region | WESTERN MONTANA |
| Date time | 2021-12-17 07:53:16.2 UTC |
| Location | 45.927 ; -111.591 |
| Depth | 4 km |
| Distance | 240 km W of Billings, United States / pop: 110,000 / local time: 00:53:16.2 2021-12-17 5 km NW of Three Forks, United States / pop: 1,900 / local time: 00:53:16.2 2021-12-17 |
All data providers for this event:
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)Montana Regional Seismic Network, Montana Bureau of Mines and Geology -- Helena, United States (MB)
Further information can be found at:
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)