Montana earthquakes

M1.8 earthquake 22 km S of Mammoth, Wyoming

A magnitude 1.8 earthquake struck 22 km S of Mammoth, Wyoming on Sun, Mar 30, 2014, 11:40 AM MDT (17:40 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.1 25 km S of Mammoth, Wyoming. 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
1.8 (ML, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2014-03-30 17:40:28 UTC
Depth
2.2 km (1.4 mi), shallow
Epicenter
44.778° N, 110.716° 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 0.9 km horizontally, 8.4 km in depth
Depth from
Operator assigned
Station coverage gap
195°, poorly surrounded by stations
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 121 in the 60 days after this one and 138 in the 30 days before it.

After

  1. 1.921 km S of Mammoth, Wyoming · 4569 days ago · 5 km deep · 0 km away
  2. 1.621 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 1 km away
  3. 1.722 km S of Mammoth, Wyoming · 4569 days ago · 1 km deep · 3 km away
  4. 1.921 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 1 km away
  5. 1.624 km S of Mammoth, Wyoming · 4569 days ago · 2 km deep · 3 km away
  6. 2.0Wyoming · 4569 days ago · 3 km deep · 2 km away
  7. 1.526 km SSW of Mammoth, Wyoming · 4569 days ago · 7 km deep · 6 km away
  8. 1.621 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 3 km away
  9. 1.621 km S of Mammoth, Wyoming · 4568 days ago · 4 km deep · 3 km away
  10. 1.726 km S of Mammoth, Wyoming · 4568 days ago · 8 km deep · 5 km away
  11. 1.649 km SSE of Mammoth, Wyoming · 4568 days ago · 5 km deep · 34 km away
  12. 2.125 km S of Mammoth, Wyoming · 4568 days ago · 3 km deep · 6 km away
  13. 1.722 km S of Mammoth, Wyoming · 4568 days ago · 4 km deep · 5 km away
  14. 2.323 km S of Mammoth, Wyoming · 4568 days ago · 4 km deep · 5 km away
  15. 1.824 km S of Mammoth, Wyoming · 4568 days ago · 4 km deep · 5 km away
  16. 2.223 km S of Mammoth, Wyoming · 4568 days ago · 4 km deep · 5 km away
  17. 2.424 km S of Mammoth, Wyoming · 4568 days ago · 5 km deep · 5 km away
  18. 1.530 km S of Mammoth, Wyoming · 4568 days ago · 5 km deep · 9 km away
  19. 2.224 km S of Mammoth, Wyoming · 4568 days ago · 4 km deep · 5 km away
  20. 1.923 km S of Mammoth, Wyoming · 4568 days ago · 3 km deep · 5 km away
  21. 1.725 km S of Mammoth, Wyoming · 4568 days ago · 3 km deep · 4 km away
  22. 1.8Wyoming · 4568 days ago · 2 km deep · 4 km away
  23. 1.924 km S of Mammoth, Wyoming · 4568 days ago · 4 km deep · 5 km away
  24. 1.624 km S of Mammoth, Wyoming · 4568 days ago · 4 km deep · 5 km away
  25. 2.122 km S of Mammoth, Wyoming · 4568 days ago · 4 km deep · 5 km away
  26. 1.924 km S of Mammoth, Wyoming · 4568 days ago · 4 km deep · 5 km away
  27. 2.122 km S of Mammoth, Wyoming · 4568 days ago · 4 km deep · 5 km away
  28. 3.125 km S of Mammoth, Wyoming · 4568 days ago · 4 km deep · 6 km away
  29. 1.924 km S of Mammoth, Wyoming · 4568 days ago · 4 km deep · 5 km away
  30. 1.822 km S of Mammoth, Wyoming · 4568 days ago · 4 km deep · 2 km away
  31. 2.244 km NE of Spencer, Idaho · 4567 days ago · 7 km deep · 92 km away
  32. 1.627 km S of Mammoth, Wyoming · 4567 days ago · 5 km deep · 6 km away
  33. 2.027 km S of Mammoth, Wyoming · 4567 days ago · 2 km deep · 6 km away
  34. 1.926 km S of Mammoth, Wyoming · 4567 days ago · 8 km deep · 5 km away
  35. 1.626 km SSW of Mammoth, Wyoming · 4567 days ago · 6 km deep · 6 km away
  36. 2.022 km S of Mammoth, Wyoming · 4567 days ago · 4 km deep · 3 km away
  37. 1.627 km SSW of Mammoth, Wyoming · 4566 days ago · 5 km deep · 6 km away
  38. 2.117 km ENE of Hebgen Lake Estates, Montana · 4566 days ago · 9 km deep · 23 km away
  39. 2.126 km S of Mammoth, Wyoming · 4566 days ago · 8 km deep · 5 km away
  40. 1.524 km SSW of Mammoth, Wyoming · 4565 days ago · 9 km deep · 5 km away
  41. 2.515 km S of West Yellowstone, Montana · 4565 days ago · 14 km deep · 44 km away
  42. 1.717 km SSW of Mammoth, Wyoming · 4565 days ago · 6 km deep · 7 km away
  43. 2.126 km SSW of Mammoth, Wyoming · 4563 days ago · 8 km deep · 6 km away
  44. 1.626 km SSW of Mammoth, Wyoming · 4563 days ago · 6 km deep · 6 km away
  45. 2.419 km SSW of Mammoth, Wyoming · 4563 days ago · 5 km deep · 5 km away
  46. 2.827 km ENE of West Yellowstone, Montana · 4563 days ago · 5 km deep · 7 km away
  47. 2.527 km ENE of West Yellowstone, Montana · 4563 days ago · 5 km deep · 7 km away
  48. 2.127 km SSW of Mammoth, Wyoming · 4563 days ago · 8 km deep · 6 km away
  49. 1.627 km S of Mammoth, Wyoming · 4563 days ago · 5 km deep · 6 km away
  50. 1.726 km SSW of Mammoth, Wyoming · 4563 days ago · 7 km deep · 6 km away
  51. 1.726 km ENE of West Yellowstone, Montana · 4563 days ago · 4 km deep · 8 km away
  52. 1.626 km SSW of Mammoth, Wyoming · 4563 days ago · 8 km deep · 6 km away
  53. 1.626 km S of Mammoth, Wyoming · 4563 days ago · 7 km deep · 5 km away
  54. 1.821 km SSW of Mammoth, Wyoming · 4563 days ago · 4 km deep · 5 km away
  55. 1.518 km SSW of Mammoth, Wyoming · 4562 days ago · 4 km deep · 7 km away
  56. 1.626 km SSW of Mammoth, Wyoming · 4562 days ago · 6 km deep · 6 km away
  57. 1.617 km SSW of Mammoth, Wyoming · 4561 days ago · 4 km deep · 6 km away
  58. 1.529 km E of West Yellowstone, Montana · 4561 days ago · 7 km deep · 10 km away
  59. 1.630 km E of West Yellowstone, Montana · 4561 days ago · 9 km deep · 9 km away
  60. 1.619 km SSW of Mammoth, Wyoming · 4561 days ago · 5 km deep · 6 km away

The first 60 of 121.

Before

  1. 2.923 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 2 km away
  2. 2.323 km S of Mammoth, Wyoming · 4569 days ago · 3 km deep · 1 km away
  3. 2.722 km S of Mammoth, Wyoming · 4569 days ago · 5 km deep · 0 km away
  4. 2.122 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 0 km away
  5. 1.623 km S of Mammoth, Wyoming · 4569 days ago · 2 km deep · 2 km away
  6. 1.622 km S of Mammoth, Wyoming · 4569 days ago · 3 km deep · 0 km away
  7. 1.625 km S of Mammoth, Wyoming · 4569 days ago · 3 km deep · 3 km away
  8. 1.727 km S of Mammoth, Wyoming · 4569 days ago · 2 km deep · 6 km away
  9. 2.323 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 1 km away
  10. 1.8Wyoming · 4569 days ago · 4 km deep · 0 km away
  11. 1.521 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 2 km away
  12. 2.023 km S of Mammoth, Wyoming · 4569 days ago · 5 km deep · 3 km away
  13. 1.7Wyoming · 4569 days ago · 4 km deep · 1 km away
  14. 1.723 km S of Mammoth, Wyoming · 4569 days ago · 2 km deep · 1 km away
  15. 1.622 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 2 km away
  16. 1.822 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 0 km away
  17. 1.622 km SSW of Mammoth, Wyoming · 4569 days ago · 5 km deep · 5 km away
  18. 2.018 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 5 km away
  19. 2.018 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 5 km away
  20. 2.423 km S of Mammoth, Wyoming · 4569 days ago · 7 km deep · 2 km away

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From the USGS Earthquake Hazards Program and its partner networks, event uu60062207. Read Fri, Oct 2, 2026, 7:24 PM UTC.