Montana earthquakes

M1.8 earthquake 42 km SSE of Mammoth, Wyoming

A magnitude 1.8 earthquake struck 42 km SSE of Mammoth, Wyoming on Sat, Mar 22, 2014, 8:44 AM MDT (14:44 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M4.8 22 km S of Mammoth, Wyoming. This one was a foreshock.

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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
2014-03-22 14:44:18 UTC
Depth
8.8 km (5.5 mi), shallow
Epicenter
44.615° N, 110.522° 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, 1.8 km in depth
Magnitude uncertainty
±0.29
Depth from
From location
Station coverage gap
172°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 190 in the 60 days after this one and 54 in the 30 days before it.

After

  1. 2.023 km SSW of Mammoth, Wyoming · 4576 days ago · 8 km deep · 26 km away
  2. 1.722 km SSW of Mammoth, Wyoming · 4575 days ago · 7 km deep · 27 km away
  3. 3.019 km SSW of Mammoth, Wyoming · 4573 days ago · 6 km deep · 29 km away
  4. 2.118 km SSW of Mammoth, Wyoming · 4573 days ago · 4 km deep · 30 km away
  5. 3.520 km SSW of Mammoth, Wyoming · 4572 days ago · 5 km deep · 29 km away
  6. 2.020 km SSW of Mammoth, Wyoming · 4572 days ago · 4 km deep · 29 km away
  7. 2.217 km SSW of Mammoth, Wyoming · 4572 days ago · 4 km deep · 31 km away
  8. 2.220 km SSW of Mammoth, Wyoming · 4572 days ago · 4 km deep · 29 km away
  9. 1.919 km SSW of Mammoth, Wyoming · 4572 days ago · 4 km deep · 29 km away
  10. 1.818 km SSW of Mammoth, Wyoming · 4572 days ago · 4 km deep · 30 km away
  11. 2.520 km SSW of Mammoth, Wyoming · 4572 days ago · 6 km deep · 29 km away
  12. 1.616 km SSW of Mammoth, Wyoming · 4572 days ago · 4 km deep · 31 km away
  13. 2.117 km SSW of Mammoth, Wyoming · 4572 days ago · 4 km deep · 30 km away
  14. 1.515 km SW of Mammoth, Wyoming · 4572 days ago · 7 km deep · 37 km away
  15. 1.626 km ENE of West Yellowstone, Montana · 4572 days ago · 7 km deep · 26 km away
  16. 1.822 km S of Mammoth, Wyoming · 4571 days ago · 4 km deep · 22 km away
  17. 2.021 km SSE of Mammoth, Wyoming · 4571 days ago · 4 km deep · 21 km away
  18. 1.820 km SSW of Mammoth, Wyoming · 4571 days ago · 4 km deep · 28 km away
  19. 2.021 km SE of Mammoth, Wyoming · 4571 days ago · 7 km deep · 25 km away
  20. 1.620 km SSE of Mammoth, Wyoming · 4569 days ago · 3 km deep · 22 km away
  21. 3.021 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 23 km away
  22. 1.521 km S of Mammoth, Wyoming · 4569 days ago · 3 km deep · 23 km away
  23. 1.620 km S of Mammoth, Wyoming · 4569 days ago · 2 km deep · 23 km away
  24. 1.922 km S of Mammoth, Wyoming · 4569 days ago · 3 km deep · 22 km away
  25. 2.420 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 23 km away
  26. 3.422 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 22 km away
  27. 2.022 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 22 km away
  28. 2.325 km S of Mammoth, Wyoming · 4569 days ago · 2 km deep · 20 km away
  29. 2.523 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 21 km away
  30. 1.720 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 23 km away
  31. 4.822 km S of Mammoth, Wyoming · 4569 days ago · 6 km deep · 22 km away · felt by 22
  32. 2.122 km S of Mammoth, Wyoming · 4569 days ago · 2 km deep · 21 km away
  33. 1.6Wyoming · 4569 days ago · 4 km deep · 21 km away
  34. 1.8Wyoming · 4569 days ago · 3 km deep · 21 km away
  35. 1.622 km S of Mammoth, Wyoming · 4569 days ago · 2 km deep · 21 km away
  36. 2.023 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 21 km away
  37. 2.0Wyoming · 4569 days ago · 3 km deep · 20 km away
  38. 1.822 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 22 km away
  39. 2.623 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 21 km away
  40. 1.923 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 21 km away
  41. 2.620 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 23 km away
  42. 1.924 km S of Mammoth, Wyoming · 4569 days ago · 2 km deep · 20 km away
  43. 3.5Wyoming · 4569 days ago · 4 km deep · 22 km away
  44. 2.121 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 24 km away
  45. 2.423 km S of Mammoth, Wyoming · 4569 days ago · 3 km deep · 23 km away
  46. 1.922 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 21 km away
  47. 1.723 km S of Mammoth, Wyoming · 4569 days ago · 3 km deep · 23 km away
  48. 1.722 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 24 km away
  49. 2.923 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 22 km away
  50. 2.323 km S of Mammoth, Wyoming · 4569 days ago · 3 km deep · 23 km away
  51. 1.928 km S of Mammoth, Wyoming · 4569 days ago · 5 km deep · 17 km away
  52. 1.822 km S of Mammoth, Wyoming · 4569 days ago · 3 km deep · 22 km away
  53. 1.825 km S of Mammoth, Wyoming · 4569 days ago · 6 km deep · 20 km away
  54. 1.822 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 22 km away
  55. 1.922 km S of Mammoth, Wyoming · 4569 days ago · 3 km deep · 23 km away
  56. 2.622 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 22 km away
  57. 1.722 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 22 km away
  58. 1.923 km S of Mammoth, Wyoming · 4569 days ago · 2 km deep · 24 km away
  59. 2.122 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 22 km away
  60. 2.224 km S of Mammoth, Wyoming · 4569 days ago · 4 km deep · 21 km away

The first 60 of 190.

Before

  1. 1.619 km SSW of Mammoth, Wyoming · 4577 days ago · 4 km deep · 29 km away
  2. 1.616 km SSW of Mammoth, Wyoming · 4577 days ago · 3 km deep · 31 km away
  3. 1.817 km SSW of Mammoth, Wyoming · 4577 days ago · 4 km deep · 31 km away
  4. 1.625 km SSW of Mammoth, Wyoming · 4577 days ago · 8 km deep · 26 km away
  5. 2.325 km SSW of Mammoth, Wyoming · 4577 days ago · 8 km deep · 25 km away
  6. 1.925 km SSW of Mammoth, Wyoming · 4577 days ago · 8 km deep · 26 km away
  7. 2.325 km SSW of Mammoth, Wyoming · 4577 days ago · 8 km deep · 25 km away
  8. 1.917 km SSW of Mammoth, Wyoming · 4577 days ago · 4 km deep · 31 km away
  9. 2.317 km SSW of Mammoth, Wyoming · 4578 days ago · 7 km deep · 30 km away
  10. 1.919 km SSW of Mammoth, Wyoming · 4578 days ago · 4 km deep · 29 km away
  11. 1.717 km SSW of Mammoth, Wyoming · 4578 days ago · 6 km deep · 30 km away
  12. 2.0Wyoming · 4578 days ago · 8 km deep · 26 km away
  13. 1.540 km SE of West Yellowstone, Montana · 4579 days ago · 2 km deep · 33 km away
  14. 1.924 km SSW of Mammoth, Wyoming · 4580 days ago · 8 km deep · 26 km away
  15. 1.921 km SE of Mammoth, Wyoming · 4582 days ago · 5 km deep · 23 km away
  16. 1.820 km SE of Mammoth, Wyoming · 4583 days ago · 7 km deep · 24 km away
  17. 2.125 km SSW of Mammoth, Wyoming · 4583 days ago · 9 km deep · 25 km away
  18. 1.626 km SSW of Mammoth, Wyoming · 4588 days ago · 7 km deep · 25 km away
  19. 1.826 km SSW of Mammoth, Wyoming · 4588 days ago · 6 km deep · 26 km away
  20. 1.625 km SSW of Mammoth, Wyoming · 4588 days ago · 6 km deep · 26 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60060722. Read Fri, Oct 2, 2026, 9:03 AM UTC.