| Magnitude | 2.3 |
| Region | WESTERN MONTANA |
| Date time | 2018-02-21 21:21:59.9 UTC |
| Location | 45.696 ; -111.794 |
| Depth | 2 km |
| Distance | 256 km WSW of Billings, United States / pop: 110,000 / local time: 14:21:59.9 2018-02-21 29 km SSW of Three Forks, United States / pop: 1,900 / local time: 14:21:59.9 2018-02-21 |
All data providers for this event:
Montana Regional Seismic Network, Montana Bureau of Mines and Geology -- Helena, United States (MB)Further information can be found at:
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)