M2.2 earthquake 18 km NNE of Dillon, Montana
A magnitude 2.2 earthquake struck 18 km NNE of Dillon, Montana on Wed, Jul 23, 2014, 7:41 PM MDT (01:41 UTC), 10 km (6 mi) below the surface.
Automatic solution: the magnitude and location may still be revised.
A larger quake followed: M3.9 13 km N of Dillon, Montana. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.2 (mc), micro
- Local time
- UTC
- 2014-07-24 01:41:41 UTC
- Depth
- 9.6 km (6.0 mi), shallow
- Epicenter
- 45.378° N, 112.591° 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 0.5 km horizontally, 0.4 km in depth
- Magnitude uncertainty
- ±0.50
- Station coverage gap
- 76°
- Stations used
- 36
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 6 in the 30 days before it.
After
- 3.913 km N of Dillon, Montana · 4439 days ago · 10 km deep · 4 km away · felt by 29
- 1.631 km SSW of Dillon, Montana · 4435 days ago · 4 km deep · 49 km away
- 1.518 km N of Dillon, Montana · 4430 days ago · 9 km deep · 1 km away
- 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 · 100 km away
- 2.143 km NNE of Spencer, Idaho · 4419 days ago · 15 km deep · 92 km away
- 1.816 km NNE of Cardwell, Montana · 4410 days ago · 11 km deep · 89 km away
- 1.816 km NE of Twin Bridges, Montana · 4396 days ago · 10 km deep · 44 km away
Before
- 1.740 km WNW of Hebgen Lake Estates, Montana · 4447 days ago · 7 km deep · 89 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
- 1.610 km WSW of Lima, Montana · 4461 days ago · 13 km deep · 86 km away
- 2.414 km NNW of Lima, Montana · 4462 days ago · 12 km deep · 69 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event mb14608649. Read Tue, Sep 22, 2026, 11:19 AM UTC.