Montana earthquakes

M2.3 earthquake 37 km SSE of Mammoth, Wyoming

A magnitude 2.3 earthquake struck 37 km SSE of Mammoth, Wyoming on Mon, Dec 8, 2014, 8:30 AM MST (15:30 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M2.4 9 km E of Hebgen Lake Estates, Montana. This one was a foreshock.

Gardiner 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 (ML, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2014-12-08 15:30:48 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
44.678° N, 110.471° W
Region
Montana
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.3 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.23
Depth from
FROM_LOCATION
Station coverage gap
75°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 40 in the 30 days before it.

After

  1. 1.718 km SSE of West Yellowstone, Montana · 4316 days ago · 5 km deep · 44 km away
  2. 1.632 km SE of West Yellowstone, Montana · 4316 days ago · 1 km deep · 37 km away
  3. 1.927 km WNW of Hebgen Lake Estates, Montana · 4312 days ago · 6 km deep · 86 km away
  4. 2.447 km ENE of Warm River, Idaho · 4311 days ago · 4 km deep · 53 km away
  5. 1.927 km W of Hebgen Lake Estates, Montana · 4311 days ago · 12 km deep · 85 km away
  6. 1.927 km W of Hebgen Lake Estates, Montana · 4309 days ago · 0 km deep · 85 km away
  7. 2.223 km W of Hebgen Lake Estates, Montana · 4309 days ago · 9 km deep · 81 km away
  8. 2.228 km WNW of Hebgen Lake Estates, Montana · 4308 days ago · 6 km deep · 86 km away
  9. 2.228 km WNW of Hebgen Lake Estates, Montana · 4308 days ago · 6 km deep · 86 km away
  10. 2.052 km SSE of Mammoth, Wyoming · 4308 days ago · 4 km deep · 15 km away
  11. 1.849 km ESE of West Yellowstone, Montana · 4307 days ago · 2 km deep · 24 km away
  12. 1.723 km SE of Mammoth, Wyoming · 4304 days ago · 5 km deep · 15 km away
  13. 1.824 km SE of Mammoth, Wyoming · 4303 days ago · 6 km deep · 14 km away
  14. 1.621 km ENE of Hebgen Lake Estates, Montana · 4298 days ago · 8 km deep · 39 km away
  15. 2.127 km W of Hebgen Lake Estates, Montana · 4297 days ago · 11 km deep · 85 km away
  16. 1.727 km SSE of Mammoth, Wyoming · 4295 days ago · 4 km deep · 14 km away
  17. 2.127 km W of Hebgen Lake Estates, Montana · 4295 days ago · 12 km deep · 85 km away
  18. 1.529 km ESE of West Yellowstone, Montana · 4293 days ago · 10 km deep · 24 km away
  19. 1.746 km ESE of West Yellowstone, Montana · 4287 days ago · 4 km deep · 29 km away
  20. 1.67 km ESE of Hebgen Lake Estates, Montana · 4275 days ago · 12 km deep · 51 km away
  21. 1.57 km ESE of Hebgen Lake Estates, Montana · 4275 days ago · 12 km deep · 50 km away
  22. 1.67 km ESE of Hebgen Lake Estates, Montana · 4275 days ago · 12 km deep · 50 km away
  23. 1.67 km ESE of Hebgen Lake Estates, Montana · 4275 days ago · 12 km deep · 50 km away
  24. 1.77 km ESE of Hebgen Lake Estates, Montana · 4275 days ago · 12 km deep · 50 km away
  25. 1.97 km ESE of Hebgen Lake Estates, Montana · 4275 days ago · 12 km deep · 51 km away
  26. 1.67 km E of Hebgen Lake Estates, Montana · 4275 days ago · 12 km deep · 51 km away
  27. 1.648 km NE of Alta, Wyoming · 4273 days ago · 7 km deep · 67 km away
  28. 1.649 km SSE of Mammoth, Wyoming · 4265 days ago · 4 km deep · 12 km away
  29. 1.630 km SE of Mammoth, Wyoming · 4263 days ago · 4 km deep · 10 km away
  30. 2.49 km E of Hebgen Lake Estates, Montana · 4263 days ago · 12 km deep · 49 km away
  31. 1.68 km ESE of Hebgen Lake Estates, Montana · 4259 days ago · 11 km deep · 49 km away

Before

  1. 1.654 km NE of Alta, Wyoming · 4319 days ago · 11 km deep · 62 km away
  2. 2.130 km ESE of West Yellowstone, Montana · 4321 days ago · 5 km deep · 24 km away
  3. 1.835 km E of West Yellowstone, Montana · 4321 days ago · 5 km deep · 16 km away
  4. 1.829 km ESE of Mammoth, Wyoming · 4323 days ago · 13 km deep · 22 km away
  5. 2.124 km SE of Mammoth, Wyoming · 4323 days ago · 6 km deep · 14 km away
  6. 1.624 km SE of Mammoth, Wyoming · 4323 days ago · 4 km deep · 14 km away
  7. 2.045 km ENE of Warm River, Idaho · 4323 days ago · 5 km deep · 55 km away
  8. 1.546 km ENE of Warm River, Idaho · 4323 days ago · 3 km deep · 54 km away
  9. 1.746 km ENE of Warm River, Idaho · 4323 days ago · 3 km deep · 53 km away
  10. 1.945 km ENE of Warm River, Idaho · 4323 days ago · 5 km deep · 55 km away
  11. 1.646 km ENE of Warm River, Idaho · 4323 days ago · 3 km deep · 54 km away
  12. 1.824 km SE of Mammoth, Wyoming · 4324 days ago · 6 km deep · 15 km away
  13. 1.940 km SSE of Mammoth, Wyoming · 4325 days ago · 0 km deep · 4 km away
  14. 2.140 km SE of West Yellowstone, Montana · 4325 days ago · 3 km deep · 38 km away
  15. 1.640 km SE of West Yellowstone, Montana · 4325 days ago · 2 km deep · 38 km away
  16. 1.840 km SE of West Yellowstone, Montana · 4325 days ago · 2 km deep · 38 km away
  17. 1.825 km SSE of Mammoth, Wyoming · 4325 days ago · 4 km deep · 13 km away
  18. 2.023 km SE of Mammoth, Wyoming · 4325 days ago · 3 km deep · 14 km away
  19. 1.926 km WNW of Hebgen Lake Estates, Montana · 4327 days ago · 8 km deep · 85 km away
  20. 1.643 km ESE of West Yellowstone, Montana · 4327 days ago · 4 km deep · 20 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60095132. Read Mon, Oct 5, 2026, 3:24 AM UTC.