M 3.1 - 6 km SSW of Twin Bridges, Montana
- 2013-09-21 17:08:24 (UTC)
- 45.488°N 112.361°W
- 14.1 km depth
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IVmmi 
Community Internet Intensity Map Origin - Review Status
- AUTOMATIC
- Magnitude
- 3.1 Md
- Depth
- 14.1 km
- Time
- 2013-09-21 17:08:24 UTC
View Nearby Seismicity - Time Range
± Three Weeks - Search Radius
250.0 km - Magnitude Range
≥ 1.0
Contributors MB
Montana Bureau of Mines and Geology