Wyoming earthquakes

M1.6 earthquake 40 km S of Silver Gate, Montana

A magnitude 1.6 earthquake struck 40 km S of Silver Gate, Montana on Fri, Sep 7, 2018, 2:43 PM MDT (20:43 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.9 25 km ESE of Mammoth, Wyoming. This one was a foreshock.

Gardiner forecastMore in Wyoming

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.6 (Md, duration), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2018-09-07 20:43:26 UTC
Depth
10.1 km (6.3 mi), shallow
Epicenter
44.647° N, 110.045° W
Region
Wyoming
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 0.6 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
101°
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: 30 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 2.925 km ESE of Mammoth, Wyoming · 2944 days ago · 11 km deep · 39 km away
  2. 2.035 km ESE of Island Park, Idaho · 2942 days ago · 4 km deep · 78 km away
  3. 1.714 km S of West Yellowstone, Montana · 2938 days ago · 13 km deep · 84 km away
  4. 1.754 km SE of West Yellowstone, Montana · 2936 days ago · 6 km deep · 51 km away
  5. 2.427 km NE of Kelly, Wyoming · 2932 days ago · 11 km deep · 100 km away
  6. 1.647 km ENE of Warm River, Idaho · 2930 days ago · 11 km deep · 72 km away
  7. 1.734 km S of Silver Gate, Montana · 2925 days ago · 17 km deep · 7 km away
  8. 2.713 km NE of West Yellowstone, Montana · 2921 days ago · 10 km deep · 75 km away
  9. 2.323 km SW of Mammoth, Wyoming · 2920 days ago · 7 km deep · 68 km away
  10. 1.746 km ENE of Warm River, Idaho · 2919 days ago · 4 km deep · 73 km away
  11. 1.531 km ESE of Island Park, Idaho · 2918 days ago · 8 km deep · 82 km away
  12. 1.545 km SSE of Mammoth, Wyoming · 2917 days ago · 2 km deep · 30 km away
  13. 1.745 km ENE of Warm River, Idaho · 2914 days ago · 6 km deep · 73 km away
  14. 2.610 km NNE of West Yellowstone, Montana · 2912 days ago · 7 km deep · 79 km away
  15. 2.011 km NNE of West Yellowstone, Montana · 2909 days ago · 7 km deep · 79 km away
  16. 2.212 km NNE of West Yellowstone, Montana · 2909 days ago · 9 km deep · 79 km away
  17. 1.818 km NE of West Yellowstone, Montana · 2905 days ago · 9 km deep · 71 km away
  18. 1.518 km NE of West Yellowstone, Montana · 2905 days ago · 9 km deep · 71 km away
  19. 2.772 km ESE of West Yellowstone, Montana · 2903 days ago · 10 km deep · 39 km away · felt by 1
  20. 2.123 km SW of Mammoth, Wyoming · 2902 days ago · 5 km deep · 68 km away
  21. 1.646 km SE of West Yellowstone, Montana · 2900 days ago · 3 km deep · 59 km away
  22. 2.026 km ESE of West Yellowstone, Montana · 2894 days ago · 9 km deep · 58 km away
  23. 1.97 km ENE of Hebgen Lake Estates, Montana · 2890 days ago · 12 km deep · 85 km away
  24. 1.58 km ENE of Hebgen Lake Estates, Montana · 2890 days ago · 10 km deep · 85 km away
  25. 1.88 km ENE of Hebgen Lake Estates, Montana · 2890 days ago · 9 km deep · 84 km away
  26. 1.67 km ENE of Hebgen Lake Estates, Montana · 2890 days ago · 9 km deep · 85 km away
  27. 1.78 km ENE of Hebgen Lake Estates, Montana · 2890 days ago · 10 km deep · 85 km away
  28. 2.08 km ENE of Hebgen Lake Estates, Montana · 2890 days ago · 10 km deep · 85 km away
  29. 1.87 km ENE of Hebgen Lake Estates, Montana · 2890 days ago · 11 km deep · 85 km away
  30. 2.47 km ENE of Hebgen Lake Estates, Montana · 2890 days ago · 11 km deep · 85 km away

Before

  1. 1.639 km S of Silver Gate, Montana · 2948 days ago · 13 km deep · 2 km away
  2. 1.545 km SSE of Mammoth, Wyoming · 2950 days ago · 4 km deep · 31 km away
  3. 2.222 km SSW of Mammoth, Wyoming · 2956 days ago · 5 km deep · 61 km away
  4. 2.423 km SSW of Mammoth, Wyoming · 2956 days ago · 5 km deep · 61 km away
  5. 2.323 km SSW of Mammoth, Wyoming · 2957 days ago · 5 km deep · 61 km away
  6. 1.823 km SSW of Mammoth, Wyoming · 2957 days ago · 5 km deep · 61 km away
  7. 2.047 km ESE of West Yellowstone, Montana · 2959 days ago · 4 km deep · 46 km away
  8. 2.047 km ESE of West Yellowstone, Montana · 2959 days ago · 4 km deep · 47 km away
  9. 1.747 km ESE of West Yellowstone, Montana · 2959 days ago · 4 km deep · 46 km away
  10. 1.7Wyoming · 2959 days ago · 4 km deep · 46 km away
  11. 1.647 km ESE of West Yellowstone, Montana · 2959 days ago · 4 km deep · 46 km away
  12. 1.947 km ESE of West Yellowstone, Montana · 2959 days ago · 4 km deep · 46 km away
  13. 1.849 km ESE of West Yellowstone, Montana · 2965 days ago · 6 km deep · 45 km away
  14. 2.128 km NE of Kelly, Wyoming · 2966 days ago · 7 km deep · 99 km away
  15. 1.513 km E of Hebgen Lake Estates, Montana · 2969 days ago · 10 km deep · 78 km away
  16. 1.6Idaho-Montana border region · 2969 days ago · 10 km deep · 79 km away
  17. 1.845 km ENE of Warm River, Idaho · 2970 days ago · 7 km deep · 73 km away
  18. 1.717 km ENE of Hebgen Lake Estates, Montana · 2976 days ago · 11 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60295852. Read Sat, Oct 3, 2026, 5:57 AM UTC.