| Magnitude | 4.0 |
| Region | WESTERN MONTANA |
| Date time | 2019-02-22 06:44:21.0 UTC |
| Location | 45.901 ; -111.360 |
| Depth | 3 km |
| Distance | 222 km W of Billings, United States / pop: 110,000 / local time: 23:44:21.0 2019-02-21 15 km ENE of Three Forks, United States / pop: 1,900 / local time: 23:44:21.0 2019-02-21 |
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:
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)