| Magnitude | 2.1 |
| Region | WESTERN MONTANA |
| Date time | 2018-05-01 07:33:23.7 UTC |
| Location | 46.887 ; -112.026 |
| Depth | 5 km |
| Distance | 297 km WNW of Billings, United States / pop: 110,000 / local time: 01:33:23.7 2018-05-01 25 km N of Helena Valley West Central, United States / pop: 7,800 / local time: 01:33:23.7 2018-05-01 |
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)