Montana earthquakes

M1.6 earthquake 21 km SSE of Mammoth, Wyoming

A magnitude 1.6 earthquake struck 21 km SSE of Mammoth, Wyoming on Mon, Jun 11, 2018, 6:24 AM MDT (12:24 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.5 36 km S of Silver Gate, 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
1.6 (ml), micro
Local time
UTC
2018-06-11 12:24:55 UTC
Depth
8.2 km (5.1 mi), shallow
Epicenter
44.797° N, 110.586° 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 0.5 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
152°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 55 in the 60 days after this one and 27 in the 30 days before it.

After

  1. 1.929 km ESE of West Yellowstone, Montana · 3033 days ago · 9 km deep · 26 km away
  2. 1.529 km ESE of West Yellowstone, Montana · 3033 days ago · 7 km deep · 27 km away
  3. 1.729 km ESE of West Yellowstone, Montana · 3033 days ago · 8 km deep · 26 km away
  4. 2.159 km NNE of Kelly, Wyoming · 3022 days ago · 6 km deep · 77 km away
  5. 1.631 km ESE of Island Park, Idaho · 3019 days ago · 6 km deep · 60 km away
  6. 1.647 km SE of Mammoth, Wyoming · 3015 days ago · 9 km deep · 26 km away
  7. 1.629 km ESE of West Yellowstone, Montana · 3014 days ago · 6 km deep · 28 km away
  8. 1.629 km ESE of West Yellowstone, Montana · 3014 days ago · 2 km deep · 28 km away
  9. 2.329 km ESE of West Yellowstone, Montana · 3014 days ago · 5 km deep · 28 km away
  10. 2.017 km SSW of Mammoth, Wyoming · 3013 days ago · 9 km deep · 19 km away
  11. 1.562 km SSE of Mammoth, Wyoming · 3013 days ago · 4 km deep · 41 km away
  12. 2.062 km ESE of West Yellowstone, Montana · 3012 days ago · 9 km deep · 48 km away
  13. 2.362 km ESE of West Yellowstone, Montana · 3012 days ago · 7 km deep · 49 km away
  14. 1.96 km SW of West Yellowstone, Montana · 3011 days ago · 13 km deep · 50 km away
  15. 2.5Wyoming · 3010 days ago · 11 km deep · 49 km away
  16. 1.662 km ESE of West Yellowstone, Montana · 3010 days ago · 11 km deep · 49 km away
  17. 1.947 km ESE of West Yellowstone, Montana · 3010 days ago · 2 km deep · 38 km away
  18. 1.847 km ESE of West Yellowstone, Montana · 3010 days ago · 1 km deep · 38 km away
  19. 1.943 km SE of West Yellowstone, Montana · 3010 days ago · -3 km deep · 42 km away
  20. 1.848 km SSW of Silver Gate, Montana · 2999 days ago · 6 km deep · 36 km away
  21. 1.623 km SSW of Mammoth, Wyoming · 2998 days ago · 3 km deep · 16 km away
  22. 1.637 km NW of Island Park, Idaho · 2997 days ago · 5 km deep · 91 km away
  23. 1.523 km SSW of Mammoth, Wyoming · 2997 days ago · 5 km deep · 17 km away
  24. 1.744 km W of Hebgen Lake Estates, Montana · 2995 days ago · 11 km deep · 92 km away
  25. 1.512 km SSE of West Yellowstone, Montana · 2992 days ago · 15 km deep · 47 km away
  26. 1.515 km NE of West Yellowstone, Montana · 2992 days ago · 7 km deep · 30 km away
  27. 1.523 km SSW of Mammoth, Wyoming · 2991 days ago · 5 km deep · 17 km away
  28. 1.622 km SSW of Mammoth, Wyoming · 2990 days ago · 8 km deep · 16 km away
  29. 2.123 km SSW of Mammoth, Wyoming · 2990 days ago · 8 km deep · 17 km away
  30. 2.022 km SSW of Mammoth, Wyoming · 2990 days ago · 9 km deep · 16 km away
  31. 1.823 km SSW of Mammoth, Wyoming · 2990 days ago · 5 km deep · 17 km away
  32. 2.324 km SSW of Mammoth, Wyoming · 2990 days ago · 5 km deep · 17 km away
  33. 1.523 km SSW of Mammoth, Wyoming · 2990 days ago · 5 km deep · 17 km away
  34. 2.123 km SSW of Mammoth, Wyoming · 2990 days ago · 5 km deep · 17 km away
  35. 1.723 km SSW of Mammoth, Wyoming · 2990 days ago · 7 km deep · 17 km away
  36. 1.623 km SSW of Mammoth, Wyoming · 2990 days ago · 6 km deep · 17 km away
  37. 2.123 km SSW of Mammoth, Wyoming · 2989 days ago · 8 km deep · 16 km away
  38. 1.523 km SSW of Mammoth, Wyoming · 2989 days ago · 7 km deep · 17 km away
  39. 2.122 km SSW of Mammoth, Wyoming · 2989 days ago · 9 km deep · 16 km away
  40. 1.623 km SSW of Mammoth, Wyoming · 2989 days ago · 7 km deep · 16 km away
  41. 1.623 km SSW of Mammoth, Wyoming · 2989 days ago · 5 km deep · 16 km away
  42. 1.723 km SSW of Mammoth, Wyoming · 2988 days ago · 7 km deep · 16 km away
  43. 1.623 km SSW of Mammoth, Wyoming · 2988 days ago · 4 km deep · 16 km away
  44. 1.723 km SSW of Mammoth, Wyoming · 2988 days ago · 5 km deep · 16 km away
  45. 1.851 km SE of West Yellowstone, Montana · 2987 days ago · 4 km deep · 45 km away
  46. 1.851 km SE of West Yellowstone, Montana · 2987 days ago · 4 km deep · 44 km away
  47. 1.521 km SSW of Mammoth, Wyoming · 2987 days ago · 4 km deep · 17 km away
  48. 1.650 km SE of West Yellowstone, Montana · 2987 days ago · 2 km deep · 46 km away
  49. 1.951 km SE of West Yellowstone, Montana · 2986 days ago · 3 km deep · 45 km away
  50. 1.756 km SSW of Silver Gate, Montana · 2981 days ago · 6 km deep · 46 km away
  51. 2.15 km E of Hebgen Lake Estates, Montana · 2981 days ago · 11 km deep · 42 km away
  52. 2.15 km E of Hebgen Lake Estates, Montana · 2981 days ago · 11 km deep · 43 km away
  53. 1.65 km E of Hebgen Lake Estates, Montana · 2980 days ago · 10 km deep · 43 km away
  54. 1.65 km E of Hebgen Lake Estates, Montana · 2980 days ago · 10 km deep · 42 km away
  55. 2.536 km S of Silver Gate, Montana · 2976 days ago · 15 km deep · 45 km away

Before

  1. 2.021 km SSE of Mammoth, Wyoming · 3033 days ago · 7 km deep · 1 km away
  2. 1.938 km S of Silver Gate, Montana · 3034 days ago · 10 km deep · 44 km away
  3. 1.722 km SSE of Mammoth, Wyoming · 3034 days ago · 5 km deep · 1 km away
  4. 1.6Wyoming · 3034 days ago · 5 km deep · 1 km away
  5. 1.821 km SSE of Mammoth, Wyoming · 3035 days ago · 4 km deep · 1 km away
  6. 2.120 km SSE of Mammoth, Wyoming · 3035 days ago · 10 km deep · 3 km away
  7. 1.521 km SSE of Mammoth, Wyoming · 3035 days ago · 7 km deep · 1 km away
  8. 1.822 km SSE of Mammoth, Wyoming · 3035 days ago · 4 km deep · 1 km away
  9. 2.120 km SSE of Mammoth, Wyoming · 3035 days ago · 10 km deep · 3 km away
  10. 1.622 km SSE of Mammoth, Wyoming · 3035 days ago · 4 km deep · 1 km away
  11. 1.925 km SSW of Mammoth, Wyoming · 3036 days ago · 5 km deep · 17 km away
  12. 1.717 km SSE of Ennis, Montana · 3040 days ago · 6 km deep · 94 km away
  13. 1.660 km ESE of West Yellowstone, Montana · 3044 days ago · 2 km deep · 47 km away
  14. 1.959 km ESE of West Yellowstone, Montana · 3044 days ago · 3 km deep · 46 km away
  15. 2.041 km E of West Yellowstone, Montana · 3044 days ago · 4 km deep · 22 km away
  16. 1.641 km E of West Yellowstone, Montana · 3044 days ago · 2 km deep · 22 km away
  17. 1.629 km SSE of Mammoth, Wyoming · 3046 days ago · 6 km deep · 8 km away
  18. 1.85 km E of Hebgen Lake Estates, Montana · 3050 days ago · 10 km deep · 42 km away
  19. 2.65 km E of Hebgen Lake Estates, Montana · 3051 days ago · 10 km deep · 43 km away · felt by 1
  20. 1.525 km S of Ennis, Montana · 3051 days ago · 6 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60285397. Read Wed, Sep 30, 2026, 9:31 PM UTC.