Montana earthquakes

M1.5 earthquake 18 km SSW of Mammoth, Wyoming

A magnitude 1.5 earthquake struck 18 km SSW of Mammoth, Wyoming on Sun, Apr 6, 2014, 5:39 AM MDT (11:39 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.5 21 km SSW 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
1.5 (ML, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2014-04-06 11:39:01 UTC
Depth
4.0 km (2.5 mi), shallow
Epicenter
44.821° N, 110.774° 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, 0.6 km in depth
Magnitude uncertainty
±0.41
Depth from
From location
Station coverage gap
201°, poorly surrounded by stations
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 151 in the 60 days after this one and 172 in the 30 days before it.

After

  1. 1.626 km SSW of Mammoth, Wyoming · 4562 days ago · 6 km deep · 9 km away
  2. 1.617 km SSW of Mammoth, Wyoming · 4561 days ago · 4 km deep · 1 km away
  3. 1.529 km E of West Yellowstone, Montana · 4561 days ago · 7 km deep · 15 km away
  4. 1.630 km E of West Yellowstone, Montana · 4561 days ago · 9 km deep · 14 km away
  5. 1.619 km SSW of Mammoth, Wyoming · 4560 days ago · 5 km deep · 1 km away
  6. 1.626 km SSW of Mammoth, Wyoming · 4560 days ago · 7 km deep · 8 km away
  7. 2.426 km S of Mammoth, Wyoming · 4560 days ago · 8 km deep · 9 km away
  8. 2.741 km SSE of Mammoth, Wyoming · 4559 days ago · 5 km deep · 33 km away
  9. 2.036 km S of Silver Gate, Montana · 4558 days ago · 14 km deep · 63 km away
  10. 1.917 km SSW of Mammoth, Wyoming · 4557 days ago · 4 km deep · 1 km away
  11. 1.625 km SSW of Mammoth, Wyoming · 4556 days ago · 7 km deep · 7 km away
  12. 2.030 km W of Hebgen Lake Estates, Montana · 4552 days ago · 12 km deep · 64 km away
  13. 1.630 km S of Mammoth, Wyoming · 4549 days ago · 7 km deep · 16 km away
  14. 1.735 km SE of West Yellowstone, Montana · 4548 days ago · 4 km deep · 47 km away
  15. 1.537 km SE of West Yellowstone, Montana · 4548 days ago · 6 km deep · 48 km away
  16. 2.035 km SSE of West Yellowstone, Montana · 4548 days ago · 6 km deep · 48 km away
  17. 1.835 km SE of West Yellowstone, Montana · 4548 days ago · 7 km deep · 48 km away
  18. 1.76 km NNE of West Yellowstone, Montana · 4548 days ago · 14 km deep · 27 km away
  19. 1.924 km SSE of Mammoth, Wyoming · 4545 days ago · 5 km deep · 19 km away
  20. 1.6Wyoming · 4545 days ago · 11 km deep · 8 km away
  21. 1.923 km SE of Mammoth, Wyoming · 4542 days ago · 2 km deep · 21 km away
  22. 1.66 km NE of West Yellowstone, Montana · 4539 days ago · 7 km deep · 25 km away
  23. 1.526 km W of Hebgen Lake Estates, Montana · 4534 days ago · 12 km deep · 59 km away
  24. 1.625 km W of Hebgen Lake Estates, Montana · 4534 days ago · 1 km deep · 58 km away
  25. 2.034 km E of West Yellowstone, Montana · 4534 days ago · 5 km deep · 23 km away
  26. 1.749 km ESE of West Yellowstone, Montana · 4531 days ago · 2 km deep · 43 km away
  27. 1.548 km ESE of West Yellowstone, Montana · 4531 days ago · 2 km deep · 43 km away
  28. 1.849 km ESE of West Yellowstone, Montana · 4531 days ago · 6 km deep · 44 km away
  29. 1.949 km ESE of West Yellowstone, Montana · 4531 days ago · 6 km deep · 44 km away
  30. 1.949 km ESE of West Yellowstone, Montana · 4531 days ago · 4 km deep · 44 km away
  31. 1.749 km ESE of West Yellowstone, Montana · 4531 days ago · 2 km deep · 44 km away
  32. 1.644 km ENE of Warm River, Idaho · 4529 days ago · 8 km deep · 65 km away
  33. 2.145 km ENE of Warm River, Idaho · 4529 days ago · 5 km deep · 65 km away
  34. 1.644 km ENE of Warm River, Idaho · 4529 days ago · 7 km deep · 65 km away
  35. 1.744 km ENE of Warm River, Idaho · 4529 days ago · 7 km deep · 65 km away
  36. 1.844 km ENE of Warm River, Idaho · 4529 days ago · 8 km deep · 65 km away
  37. 1.917 km NW of Emigrant, Montana · 4529 days ago · 15 km deep · 75 km away
  38. 1.817 km SSW of Mammoth, Wyoming · 4528 days ago · 6 km deep · 1 km away
  39. 1.721 km SE of Mammoth, Wyoming · 4528 days ago · 7 km deep · 19 km away
  40. 1.619 km SSW of Mammoth, Wyoming · 4528 days ago · 4 km deep · 2 km away
  41. 1.621 km SE of Mammoth, Wyoming · 4528 days ago · 7 km deep · 18 km away
  42. 1.634 km E of West Yellowstone, Montana · 4527 days ago · 5 km deep · 22 km away
  43. 1.627 km W of Hebgen Lake Estates, Montana · 4523 days ago · 11 km deep · 60 km away
  44. 1.926 km W of Hebgen Lake Estates, Montana · 4523 days ago · 11 km deep · 59 km away
  45. 1.527 km W of Hebgen Lake Estates, Montana · 4523 days ago · 11 km deep · 60 km away
  46. 1.917 km SSW of Mammoth, Wyoming · 4522 days ago · 4 km deep · 1 km away
  47. 1.918 km SSW of Mammoth, Wyoming · 4522 days ago · 4 km deep · 1 km away
  48. 2.117 km SSW of Mammoth, Wyoming · 4522 days ago · 4 km deep · 1 km away
  49. 2.017 km SSW of Mammoth, Wyoming · 4520 days ago · 6 km deep · 1 km away
  50. 1.548 km SE of Mammoth, Wyoming · 4519 days ago · 4 km deep · 40 km away
  51. 1.713 km S of Mammoth, Wyoming · 4516 days ago · 3 km deep · 9 km away
  52. 1.522 km SSW of Mammoth, Wyoming · 4516 days ago · 10 km deep · 4 km away
  53. 1.922 km SSW of Mammoth, Wyoming · 4516 days ago · 9 km deep · 5 km away
  54. 1.824 km SSW of Mammoth, Wyoming · 4516 days ago · 6 km deep · 7 km away
  55. 1.522 km SSW of Mammoth, Wyoming · 4516 days ago · 9 km deep · 4 km away
  56. 1.841 km S of Virginia City, Montana · 4515 days ago · 10 km deep · 90 km away
  57. 2.211 km NNE of West Yellowstone, Montana · 4513 days ago · 8 km deep · 23 km away
  58. 1.758 km SSE of Mammoth, Wyoming · 4513 days ago · 2 km deep · 48 km away
  59. 1.58 km SSW of West Yellowstone, Montana · 4510 days ago · 9 km deep · 39 km away
  60. 2.030 km ESE of West Yellowstone, Montana · 4509 days ago · 8 km deep · 26 km away

The first 60 of 151.

Before

  1. 1.821 km SSW of Mammoth, Wyoming · 4562 days ago · 4 km deep · 3 km away
  2. 1.626 km S of Mammoth, Wyoming · 4562 days ago · 7 km deep · 8 km away
  3. 1.626 km SSW of Mammoth, Wyoming · 4562 days ago · 8 km deep · 8 km away
  4. 1.726 km ENE of West Yellowstone, Montana · 4562 days ago · 4 km deep · 11 km away
  5. 1.726 km SSW of Mammoth, Wyoming · 4562 days ago · 7 km deep · 9 km away
  6. 1.627 km S of Mammoth, Wyoming · 4562 days ago · 5 km deep · 9 km away
  7. 2.127 km SSW of Mammoth, Wyoming · 4562 days ago · 8 km deep · 9 km away
  8. 2.527 km ENE of West Yellowstone, Montana · 4562 days ago · 5 km deep · 10 km away
  9. 2.827 km ENE of West Yellowstone, Montana · 4562 days ago · 5 km deep · 10 km away
  10. 2.419 km SSW of Mammoth, Wyoming · 4562 days ago · 5 km deep · 2 km away
  11. 1.626 km SSW of Mammoth, Wyoming · 4563 days ago · 6 km deep · 9 km away
  12. 2.126 km SSW of Mammoth, Wyoming · 4563 days ago · 8 km deep · 9 km away
  13. 1.717 km SSW of Mammoth, Wyoming · 4564 days ago · 6 km deep · 0 km away
  14. 2.515 km S of West Yellowstone, Montana · 4565 days ago · 14 km deep · 44 km away
  15. 1.524 km SSW of Mammoth, Wyoming · 4565 days ago · 9 km deep · 7 km away
  16. 2.126 km S of Mammoth, Wyoming · 4565 days ago · 8 km deep · 8 km away
  17. 2.117 km ENE of Hebgen Lake Estates, Montana · 4566 days ago · 9 km deep · 17 km away
  18. 1.627 km SSW of Mammoth, Wyoming · 4566 days ago · 5 km deep · 9 km away
  19. 2.022 km S of Mammoth, Wyoming · 4567 days ago · 4 km deep · 9 km away
  20. 1.626 km SSW of Mammoth, Wyoming · 4567 days ago · 6 km deep · 9 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60063632. Read Fri, Oct 2, 2026, 10:02 AM UTC.