Montana earthquakes

M2.3 earthquake 13 km ESE of Harrison, Montana

A magnitude 2.3 earthquake struck 13 km ESE of Harrison, Montana on Wed, Aug 6, 2014, 11:15 PM MDT (05:15 UTC), 13 km (8 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

Churchill forecastMore in Montana

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.3 (mc), micro
Local time
UTC
2014-08-07 05:15:23 UTC
Depth
13.4 km (8.3 mi), shallow
Epicenter
45.639° N, 111.638° 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 0.3 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.50
Station coverage gap
50°
Stations used
52

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 1.64 km NNE of Hebgen Lake Estates, Montana · 4417 days ago · 11 km deep · 99 km away
  2. 1.814 km NW of Springhill, Montana · 4414 days ago · 0 km deep · 48 km away
  3. 1.515 km W of Hebgen Lake Estates, Montana · 4411 days ago · 9 km deep · 96 km away
  4. 1.93 km WSW of Ponderosa Pines, Montana · 4410 days ago · 13 km deep · 45 km away
  5. 1.816 km NNE of Cardwell, Montana · 4410 days ago · 11 km deep · 42 km away
  6. 1.711 km ESE of Townsend, Montana · 4401 days ago · 0 km deep · 74 km away
  7. 1.910 km NNE of Toston, Montana · 4401 days ago · 6 km deep · 72 km away
  8. 1.816 km NE of Twin Bridges, Montana · 4396 days ago · 10 km deep · 40 km away
  9. 1.928 km WNW of Hebgen Lake Estates, Montana · 4392 days ago · 12 km deep · 89 km away

Before

  1. 1.518 km N of Dillon, Montana · 4430 days ago · 9 km deep · 80 km away
  2. 3.913 km N of Dillon, Montana · 4439 days ago · 10 km deep · 83 km away · felt by 29
  3. 3.011 km NNE of Toston, Montana · 4441 days ago · 9 km deep · 72 km away
  4. 2.511 km NNE of Toston, Montana · 4441 days ago · 9 km deep · 72 km away
  5. 1.619 km WNW of Hebgen Lake Estates, Montana · 4443 days ago · 8 km deep · 93 km away
  6. 2.218 km NNE of Dillon, Montana · 4444 days ago · 10 km deep · 80 km away
  7. 1.712 km ESE of Townsend, Montana · 4444 days ago · 3 km deep · 75 km away
  8. 2.111 km NNE of Toston, Montana · 4444 days ago · 6 km deep · 73 km away
  9. 3.611 km NNE of Toston, Montana · 4444 days ago · 10 km deep · 73 km away · felt by 13
  10. 1.740 km WNW of Hebgen Lake Estates, Montana · 4448 days ago · 7 km deep · 81 km away
  11. 2.05 km NNW of Hebgen Lake Estates, Montana · 4450 days ago · 14 km deep · 97 km away
  12. 1.714 km NNE of Dillon, Montana · 4454 days ago · 11 km deep · 81 km away
  13. 1.841 km WNW of Hebgen Lake Estates, Montana · 4459 days ago · 7 km deep · 80 km away
  14. 1.641 km WNW of Hebgen Lake Estates, Montana · 4459 days ago · 6 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb14353141. Read Tue, Sep 22, 2026, 8:50 PM UTC.