Montana earthquakes

M1.6 earthquake 47 km SE of Mammoth, Wyoming

A magnitude 1.6 earthquake struck 47 km SE of Mammoth, Wyoming on Sat, Jun 30, 2018, 3:41 AM MDT (09:41 UTC), 9 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, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2018-06-30 09:41:01 UTC
Depth
8.7 km (5.4 mi), shallow
Epicenter
44.623° N, 110.365° 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 3.8 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
250°, 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: 60 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 1.629 km ESE of West Yellowstone, Montana · 3016 days ago · 6 km deep · 31 km away
  2. 1.629 km ESE of West Yellowstone, Montana · 3016 days ago · 2 km deep · 31 km away
  3. 2.329 km ESE of West Yellowstone, Montana · 3016 days ago · 5 km deep · 31 km away
  4. 2.017 km SSW of Mammoth, Wyoming · 3015 days ago · 9 km deep · 44 km away
  5. 1.562 km SSE of Mammoth, Wyoming · 3015 days ago · 4 km deep · 18 km away
  6. 2.062 km ESE of West Yellowstone, Montana · 3014 days ago · 9 km deep · 28 km away
  7. 2.362 km ESE of West Yellowstone, Montana · 3014 days ago · 7 km deep · 29 km away
  8. 1.96 km SW of West Yellowstone, Montana · 3013 days ago · 13 km deep · 64 km away
  9. 2.5Wyoming · 3012 days ago · 11 km deep · 28 km away
  10. 1.662 km ESE of West Yellowstone, Montana · 3012 days ago · 11 km deep · 29 km away
  11. 1.947 km ESE of West Yellowstone, Montana · 3012 days ago · 2 km deep · 25 km away
  12. 1.847 km ESE of West Yellowstone, Montana · 3012 days ago · 1 km deep · 25 km away
  13. 1.943 km SE of West Yellowstone, Montana · 3012 days ago · -3 km deep · 32 km away
  14. 1.848 km SSW of Silver Gate, Montana · 3001 days ago · 6 km deep · 12 km away
  15. 1.623 km SSW of Mammoth, Wyoming · 3000 days ago · 3 km deep · 37 km away
  16. 1.523 km SSW of Mammoth, Wyoming · 2999 days ago · 5 km deep · 38 km away
  17. 1.512 km SSE of West Yellowstone, Montana · 2994 days ago · 15 km deep · 56 km away
  18. 1.515 km NE of West Yellowstone, Montana · 2994 days ago · 7 km deep · 50 km away
  19. 1.523 km SSW of Mammoth, Wyoming · 2993 days ago · 5 km deep · 38 km away
  20. 1.622 km SSW of Mammoth, Wyoming · 2992 days ago · 8 km deep · 38 km away
  21. 2.123 km SSW of Mammoth, Wyoming · 2992 days ago · 8 km deep · 38 km away
  22. 2.022 km SSW of Mammoth, Wyoming · 2992 days ago · 9 km deep · 38 km away
  23. 1.823 km SSW of Mammoth, Wyoming · 2992 days ago · 5 km deep · 38 km away
  24. 2.324 km SSW of Mammoth, Wyoming · 2992 days ago · 5 km deep · 38 km away
  25. 1.523 km SSW of Mammoth, Wyoming · 2992 days ago · 5 km deep · 38 km away
  26. 2.123 km SSW of Mammoth, Wyoming · 2992 days ago · 5 km deep · 38 km away
  27. 1.723 km SSW of Mammoth, Wyoming · 2992 days ago · 7 km deep · 38 km away
  28. 1.623 km SSW of Mammoth, Wyoming · 2992 days ago · 6 km deep · 38 km away
  29. 2.123 km SSW of Mammoth, Wyoming · 2991 days ago · 8 km deep · 38 km away
  30. 1.523 km SSW of Mammoth, Wyoming · 2991 days ago · 7 km deep · 38 km away
  31. 2.122 km SSW of Mammoth, Wyoming · 2991 days ago · 9 km deep · 38 km away
  32. 1.623 km SSW of Mammoth, Wyoming · 2991 days ago · 7 km deep · 37 km away
  33. 1.623 km SSW of Mammoth, Wyoming · 2991 days ago · 5 km deep · 37 km away
  34. 1.723 km SSW of Mammoth, Wyoming · 2990 days ago · 7 km deep · 37 km away
  35. 1.623 km SSW of Mammoth, Wyoming · 2990 days ago · 4 km deep · 37 km away
  36. 1.723 km SSW of Mammoth, Wyoming · 2990 days ago · 5 km deep · 37 km away
  37. 1.851 km SE of West Yellowstone, Montana · 2989 days ago · 4 km deep · 31 km away
  38. 1.851 km SE of West Yellowstone, Montana · 2989 days ago · 4 km deep · 30 km away
  39. 1.521 km SSW of Mammoth, Wyoming · 2989 days ago · 4 km deep · 39 km away
  40. 1.650 km SE of West Yellowstone, Montana · 2989 days ago · 2 km deep · 33 km away
  41. 1.951 km SE of West Yellowstone, Montana · 2988 days ago · 3 km deep · 31 km away
  42. 1.756 km SSW of Silver Gate, Montana · 2983 days ago · 6 km deep · 21 km away
  43. 2.15 km E of Hebgen Lake Estates, Montana · 2983 days ago · 11 km deep · 62 km away
  44. 2.15 km E of Hebgen Lake Estates, Montana · 2983 days ago · 11 km deep · 62 km away
  45. 1.65 km E of Hebgen Lake Estates, Montana · 2982 days ago · 10 km deep · 62 km away
  46. 1.65 km E of Hebgen Lake Estates, Montana · 2982 days ago · 10 km deep · 62 km away
  47. 2.536 km S of Silver Gate, Montana · 2978 days ago · 15 km deep · 26 km away
  48. 2.127 km NE of Kelly, Wyoming · 2978 days ago · 12 km deep · 94 km away
  49. 1.717 km ENE of Hebgen Lake Estates, Montana · 2975 days ago · 11 km deep · 53 km away
  50. 1.845 km ENE of Warm River, Idaho · 2970 days ago · 7 km deep · 53 km away
  51. 1.6Idaho-Montana border region · 2969 days ago · 10 km deep · 55 km away
  52. 1.513 km E of Hebgen Lake Estates, Montana · 2968 days ago · 10 km deep · 54 km away
  53. 2.128 km NE of Kelly, Wyoming · 2965 days ago · 7 km deep · 93 km away
  54. 1.849 km ESE of West Yellowstone, Montana · 2965 days ago · 6 km deep · 23 km away
  55. 1.947 km ESE of West Yellowstone, Montana · 2959 days ago · 4 km deep · 24 km away
  56. 1.647 km ESE of West Yellowstone, Montana · 2959 days ago · 4 km deep · 23 km away
  57. 1.7Wyoming · 2959 days ago · 4 km deep · 24 km away
  58. 1.747 km ESE of West Yellowstone, Montana · 2959 days ago · 4 km deep · 24 km away
  59. 2.047 km ESE of West Yellowstone, Montana · 2959 days ago · 4 km deep · 24 km away
  60. 2.047 km ESE of West Yellowstone, Montana · 2959 days ago · 4 km deep · 24 km away

Before

  1. 1.631 km ESE of Island Park, Idaho · 3021 days ago · 6 km deep · 59 km away
  2. 2.159 km NNE of Kelly, Wyoming · 3024 days ago · 6 km deep · 55 km away
  3. 1.729 km ESE of West Yellowstone, Montana · 3035 days ago · 8 km deep · 30 km away
  4. 1.529 km ESE of West Yellowstone, Montana · 3035 days ago · 7 km deep · 31 km away
  5. 1.929 km ESE of West Yellowstone, Montana · 3035 days ago · 9 km deep · 30 km away
  6. 1.621 km SSE of Mammoth, Wyoming · 3035 days ago · 8 km deep · 26 km away
  7. 2.021 km SSE of Mammoth, Wyoming · 3035 days ago · 7 km deep · 26 km away
  8. 1.938 km S of Silver Gate, Montana · 3036 days ago · 10 km deep · 25 km away
  9. 1.722 km SSE of Mammoth, Wyoming · 3036 days ago · 5 km deep · 26 km away
  10. 1.6Wyoming · 3036 days ago · 5 km deep · 26 km away
  11. 1.821 km SSE of Mammoth, Wyoming · 3037 days ago · 4 km deep · 26 km away
  12. 2.120 km SSE of Mammoth, Wyoming · 3037 days ago · 10 km deep · 27 km away
  13. 1.521 km SSE of Mammoth, Wyoming · 3037 days ago · 7 km deep · 26 km away
  14. 1.822 km SSE of Mammoth, Wyoming · 3037 days ago · 4 km deep · 25 km away
  15. 2.120 km SSE of Mammoth, Wyoming · 3037 days ago · 10 km deep · 27 km away
  16. 1.622 km SSE of Mammoth, Wyoming · 3037 days ago · 4 km deep · 26 km away
  17. 1.925 km SSW of Mammoth, Wyoming · 3038 days ago · 5 km deep · 37 km away
  18. 1.660 km ESE of West Yellowstone, Montana · 3046 days ago · 2 km deep · 27 km away
  19. 1.959 km ESE of West Yellowstone, Montana · 3046 days ago · 3 km deep · 27 km away
  20. 2.041 km E of West Yellowstone, Montana · 3046 days ago · 4 km deep · 18 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60287092. Read Fri, Oct 2, 2026, 9:26 PM UTC.