Montana earthquakes

M1.7 earthquake 27 km NE of Winston, Montana

A magnitude 1.7 earthquake struck 27 km NE of Winston, Montana on Sun, Sep 21, 2014, 12:33 AM MDT (06:33 UTC), 11 km (7 mi) below the surface.

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

A larger quake followed: M3.6 13 km SE of Lincoln, Montana. This one was a foreshock.

The Silos forecastMore in Montana

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
1.7 (Mc), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2014-09-21 06:33:07 UTC
Depth
10.6 km (6.6 mi), shallow
Epicenter
46.676° N, 111.446° 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 0.8 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.50
Station coverage gap
94°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 1.526 km NE of Winston, Montana · 4397 days ago · 12 km deep · 1 km away
  2. 2.028 km NE of Winston, Montana · 4397 days ago · 7 km deep · 2 km away
  3. 3.613 km SE of Lincoln, Montana · 4390 days ago · 18 km deep · 86 km away · felt by 11
  4. 1.913 km SE of Lincoln, Montana · 4390 days ago · 14 km deep · 87 km away
  5. 1.513 km SE of Lincoln, Montana · 4390 days ago · 13 km deep · 87 km away
  6. 1.813 km SE of Lincoln, Montana · 4390 days ago · 11 km deep · 87 km away
  7. 2.212 km SE of Lincoln, Montana · 4389 days ago · 13 km deep · 87 km away
  8. 1.812 km SE of Lincoln, Montana · 4377 days ago · 13 km deep · 87 km away
  9. 3.313 km SE of Lincoln, Montana · 4373 days ago · 16 km deep · 86 km away · felt by 2
  10. 1.717 km NW of Marysville, Montana · 4366 days ago · 13 km deep · 81 km away
  11. 2.434 km ENE of Helena Valley Northeast, Montana · 4339 days ago · 13 km deep · 12 km away
  12. 2.212 km SSE of Lincoln, Montana · 4338 days ago · 14 km deep · 93 km away

Before

  1. 2.220 km SSW of Craig, Montana · 4400 days ago · 9 km deep · 57 km away
  2. 1.919 km SSW of Craig, Montana · 4400 days ago · 0 km deep · 57 km away
  3. 1.720 km N of Helena Valley Northwest, Montana · 4400 days ago · 4 km deep · 57 km away
  4. 1.920 km SSW of Craig, Montana · 4400 days ago · 9 km deep · 57 km away
  5. 1.910 km NNE of Toston, Montana · 4413 days ago · 6 km deep · 47 km away
  6. 1.711 km ESE of Townsend, Montana · 4413 days ago · 0 km deep · 45 km away
  7. 1.85 km E of Avon, Montana · 4413 days ago · 7 km deep · 83 km away
  8. 1.76 km SE of Marysville, Montana · 4420 days ago · 10 km deep · 60 km away
  9. 1.816 km NNE of Cardwell, Montana · 4422 days ago · 11 km deep · 83 km away
  10. 1.93 km WSW of Ponderosa Pines, Montana · 4423 days ago · 13 km deep · 74 km away
  11. 1.712 km S of Marysville, Montana · 4423 days ago · 8 km deep · 65 km away
  12. 1.814 km NW of Springhill, Montana · 4427 days ago · 0 km deep · 86 km away

Earthquakes todayMontana earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb14830882. Read Mon, Oct 5, 2026, 12:56 AM UTC.