M 4.2 - 15 km E of Alzada, Montana
- 2009-09-25 15:11:34 (UTC)
- 45.020°N 104.210°W
- 4.5 km depth
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IIImmi 
Community Internet Intensity Map Origin - Review Status
- REVIEWED
- Magnitude
- 4.2 ml
- Depth
- 4.5 km
- Time
- 2009-09-25 15:11:34 UTC
View Nearby Seismicity - Time Range
± Three Weeks - Search Radius
250.0 km - Magnitude Range
≥ 1.0
Contributors US
USGS National Earthquake Information Center, PDE