| Magnitude | 3.4 |
| Region | WESTERN MONTANA |
| Date time | 2017-02-20 07:18:09.4 UTC |
| Location | 47.870 ; -114.290 |
| Depth | 3 km |
| Distance | 236 km ENE of Spokane, United States / pop: 213,000 / local time: 23:18:09.4 2017-02-19 22 km NW of Polson, United States / pop: 4,700 / local time: 00:18:09.4 2017-02-20 |
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)