M1.5 earthquake 18 km N of Dillon, Montana
A magnitude 1.5 earthquake struck 18 km N of Dillon, Montana on Wed, Aug 6, 2014, 8:49 AM MDT (14:49 UTC), 9 km (6 mi) below the surface.
Automatic solution: the magnitude and location may still be revised.
A larger quake followed: M2.3 13 km ESE of Harrison, Montana. 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 (mc), micro
- Local time
- UTC
- 2014-08-06 14:49:14 UTC
- Depth
- 9.3 km (5.8 mi), shallow
- Epicenter
- 45.380° N, 112.599° W
- Region
- Montana
- Tsunami flag
- No
- Status
- Automatic solution, may be revised
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
An automatic solution; a seismologist may revise it.
- Location uncertainty
- About 0.6 km horizontally, 0.5 km in depth
- Magnitude uncertainty
- ±0.50
- Station coverage gap
- 112°
- Stations used
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 7 in the 30 days before it.
After
- 2.313 km ESE of Harrison, Montana · 4429 days ago · 13 km deep · 80 km away
- 1.619 km N of Salmon, Idaho · 4429 days ago · 9 km deep · 99 km away
- 2.143 km NNE of Spencer, Idaho · 4419 days ago · 15 km deep · 93 km away
- 1.816 km NNE of Cardwell, Montana · 4410 days ago · 11 km deep · 89 km away
- 2.018 km N of Salmon, Idaho · 4406 days ago · 25 km deep · 100 km away
- 1.816 km NE of Twin Bridges, Montana · 4396 days ago · 10 km deep · 44 km away
- 1.519 km N of Spencer, Idaho · 4371 days ago · 8 km deep · 99 km away
- 1.618 km N of Spencer, Idaho · 4371 days ago · 7 km deep · 100 km away
Before
- 1.631 km SSW of Dillon, Montana · 4435 days ago · 4 km deep · 50 km away
- 3.913 km N of Dillon, Montana · 4439 days ago · 10 km deep · 5 km away · felt by 29
- 2.218 km NNE of Dillon, Montana · 4443 days ago · 10 km deep · 1 km away
- 1.740 km WNW of Hebgen Lake Estates, Montana · 4447 days ago · 7 km deep · 90 km away
- 1.714 km NNE of Dillon, Montana · 4454 days ago · 11 km deep · 4 km away
- 1.841 km WNW of Hebgen Lake Estates, Montana · 4458 days ago · 7 km deep · 89 km away
- 1.641 km WNW of Hebgen Lake Estates, Montana · 4458 days ago · 6 km deep · 89 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event mb14300838. Read Tue, Sep 22, 2026, 11:20 AM UTC.