M1.5 earthquake 11 km NNE of Dillon, Montana
A magnitude 1.5 earthquake struck 11 km NNE of Dillon, Montana on Fri, Feb 12, 2016, 2:39 AM MST (09:39 UTC), 8 km (5 mi) below the surface.
A larger quake followed: M2.2 46 km NW of Island Park, Idaho. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.5 (ML, local (Richter)), micro
- Magnitude from
- Montana Bureau of Mines and Geology
- Local time
- UTC
- 2016-02-12 09:39:30 UTC
- Depth
- 7.9 km (4.9 mi), shallow
- Epicenter
- 45.319° N, 112.603° W
- Region
- Montana
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 0.4 km horizontally, 0.6 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 150°
- Stations used
- 7
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 8 in the 30 days before it.
After
- 2.246 km NW of Island Park, Idaho · 3871 days ago · 10 km deep · 93 km away
- 2.012 km N of Dillon, Montana · 3857 days ago · 9 km deep · 2 km away
- 1.639 km NNE of Leadore, Idaho · 3848 days ago · 5 km deep · 55 km away
- 1.733 km SE of Virginia City, Montana · 3839 days ago · 9 km deep · 76 km away
- 2.132 km SSE of Virginia City, Montana · 3839 days ago · 11 km deep · 76 km away
Before
- 1.729 km SSE of Virginia City, Montana · 3886 days ago · 6 km deep · 66 km away
- 1.650 km W of Hebgen Lake Estates, Montana · 3893 days ago · 9 km deep · 83 km away
- 2.149 km W of Hebgen Lake Estates, Montana · 3893 days ago · 9 km deep · 83 km away
- 1.620 km NNE of Twin Bridges, Montana · 3898 days ago · 3 km deep · 52 km away
- 2.312 km NNE of Sheridan, Montana · 3902 days ago · 4 km deep · 45 km away
- 1.816 km E of Lima, Montana · 3908 days ago · 4 km deep · 81 km away
- 1.629 km WNW of Lima, Montana · 3913 days ago · 4 km deep · 75 km away
- 2.430 km E of Leadore, Idaho · 3914 days ago · 4 km deep · 74 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event mb80124169. Read Thu, Oct 1, 2026, 5:59 PM UTC.