Montana earthquakes

M1.7 earthquake 11 km ESE of Townsend, Montana

A magnitude 1.7 earthquake struck 11 km ESE of Townsend, Montana on Thu, Sep 4, 2014, 2:53 PM MDT (20:53 UTC), 0 km (0 mi) below the surface.

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

A larger quake followed: M2.2 20 km SSW of Craig, Montana. This one was a foreshock.

Townsend 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
1.7 (mc), micro
Local time
UTC
2014-09-04 20:53:38 UTC
Depth
0.0 km (0.0 mi), shallow
Epicenter
46.277° N, 111.383° 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 4.3 km horizontally, 8.5 km in depth
Magnitude uncertainty
±0.50
Station coverage gap
198°, poorly surrounded by stations
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: 10 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 1.910 km NNE of Toston, Montana · 4408 days ago · 6 km deep · 2 km away
  2. 1.816 km NE of Twin Bridges, Montana · 4404 days ago · 10 km deep · 94 km away
  3. 1.920 km SSW of Craig, Montana · 4395 days ago · 9 km deep · 90 km away
  4. 1.720 km N of Helena Valley Northwest, Montana · 4395 days ago · 4 km deep · 90 km away
  5. 1.919 km SSW of Craig, Montana · 4395 days ago · 0 km deep · 90 km away
  6. 2.220 km SSW of Craig, Montana · 4395 days ago · 9 km deep · 90 km away
  7. 1.727 km NE of Winston, Montana · 4392 days ago · 11 km deep · 45 km away
  8. 1.526 km NE of Winston, Montana · 4392 days ago · 12 km deep · 44 km away
  9. 2.028 km NE of Winston, Montana · 4392 days ago · 7 km deep · 45 km away
  10. 2.120 km SSW of Whitehall, Montana · 4362 days ago · 7 km deep · 89 km away

Before

  1. 1.85 km E of Avon, Montana · 4409 days ago · 7 km deep · 95 km away
  2. 1.76 km SE of Marysville, Montana · 4416 days ago · 10 km deep · 81 km away
  3. 1.816 km NNE of Cardwell, Montana · 4417 days ago · 11 km deep · 49 km away
  4. 1.93 km WSW of Ponderosa Pines, Montana · 4418 days ago · 13 km deep · 29 km away
  5. 1.712 km S of Marysville, Montana · 4418 days ago · 8 km deep · 80 km away
  6. 1.814 km NW of Springhill, Montana · 4422 days ago · 0 km deep · 42 km away
  7. 2.313 km ESE of Harrison, Montana · 4437 days ago · 13 km deep · 74 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb30726. Read Wed, Sep 30, 2026, 6:35 AM UTC.