| Magnitude | 3.4 |
| Region | WESTERN MONTANA |
| Date time | 2015-12-07 04:30:18.5 UTC |
| Location | 46.504 ; -112.040 |
| Depth | 6 km |
| Distance | 284 km W of Billings, United States / pop: 110,000 / local time: 21:30:18.5 2015-12-06 10 km S of Helena, United States / pop: 30,500 / local time: 21:30:18.5 2015-12-06 |
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)