Wyoming earthquakes

M1.7 earthquake 34 km S of Silver Gate, Montana

A magnitude 1.7 earthquake struck 34 km S of Silver Gate, Montana on Sat, Sep 29, 2018, 12:47 PM MDT (18:47 UTC), 17 km (10 mi) below the surface.

A larger quake followed: M2.7 72 km ESE of West Yellowstone, Montana. 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
1.7 (Md, duration), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2018-09-29 18:47:10 UTC
Depth
16.6 km (10.3 mi), shallow
Epicenter
44.695° N, 109.994° 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 0.9 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
107°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 33 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.713 km NE of West Yellowstone, Montana · 2923 days ago · 10 km deep · 79 km away
  2. 2.323 km SW of Mammoth, Wyoming · 2922 days ago · 7 km deep · 71 km away
  3. 1.746 km ENE of Warm River, Idaho · 2921 days ago · 4 km deep · 80 km away
  4. 1.531 km ESE of Island Park, Idaho · 2920 days ago · 8 km deep · 88 km away
  5. 1.545 km SSE of Mammoth, Wyoming · 2919 days ago · 2 km deep · 35 km away
  6. 1.745 km ENE of Warm River, Idaho · 2916 days ago · 6 km deep · 79 km away
  7. 2.610 km NNE of West Yellowstone, Montana · 2914 days ago · 7 km deep · 83 km away
  8. 2.011 km NNE of West Yellowstone, Montana · 2911 days ago · 7 km deep · 82 km away
  9. 2.212 km NNE of West Yellowstone, Montana · 2911 days ago · 9 km deep · 83 km away
  10. 1.818 km NE of West Yellowstone, Montana · 2907 days ago · 9 km deep · 74 km away
  11. 1.518 km NE of West Yellowstone, Montana · 2907 days ago · 9 km deep · 75 km away
  12. 2.772 km ESE of West Yellowstone, Montana · 2905 days ago · 10 km deep · 46 km away · felt by 1
  13. 2.123 km SW of Mammoth, Wyoming · 2904 days ago · 5 km deep · 71 km away
  14. 1.646 km SE of West Yellowstone, Montana · 2902 days ago · 3 km deep · 65 km away
  15. 2.026 km ESE of West Yellowstone, Montana · 2896 days ago · 9 km deep · 63 km away
  16. 1.97 km ENE of Hebgen Lake Estates, Montana · 2892 days ago · 12 km deep · 88 km away
  17. 1.58 km ENE of Hebgen Lake Estates, Montana · 2892 days ago · 10 km deep · 88 km away
  18. 1.88 km ENE of Hebgen Lake Estates, Montana · 2892 days ago · 9 km deep · 87 km away
  19. 1.67 km ENE of Hebgen Lake Estates, Montana · 2892 days ago · 9 km deep · 88 km away
  20. 1.78 km ENE of Hebgen Lake Estates, Montana · 2892 days ago · 10 km deep · 88 km away
  21. 2.08 km ENE of Hebgen Lake Estates, Montana · 2892 days ago · 10 km deep · 88 km away
  22. 1.87 km ENE of Hebgen Lake Estates, Montana · 2892 days ago · 11 km deep · 88 km away
  23. 2.47 km ENE of Hebgen Lake Estates, Montana · 2892 days ago · 11 km deep · 88 km away
  24. 1.63 km ENE of Hebgen Lake Estates, Montana · 2888 days ago · 11 km deep · 92 km away
  25. 1.847 km SE of Mammoth, Wyoming · 2887 days ago · 2 km deep · 30 km away
  26. 1.611 km NNE of West Yellowstone, Montana · 2884 days ago · 7 km deep · 82 km away
  27. 1.83 km SSE of Hebgen Lake Estates, Montana · 2876 days ago · 12 km deep · 93 km away
  28. 1.622 km SSW of Mammoth, Wyoming · 2874 days ago · 5 km deep · 65 km away
  29. 2.124 km SSW of Mammoth, Wyoming · 2873 days ago · 5 km deep · 64 km away
  30. 2.325 km SSW of Mammoth, Wyoming · 2873 days ago · 5 km deep · 64 km away
  31. 1.924 km SSW of Mammoth, Wyoming · 2873 days ago · 5 km deep · 64 km away
  32. 1.623 km SSW of Mammoth, Wyoming · 2872 days ago · 4 km deep · 63 km away
  33. 1.648 km ESE of West Yellowstone, Montana · 2869 days ago · 2 km deep · 50 km away

Before

  1. 1.647 km ENE of Warm River, Idaho · 2932 days ago · 11 km deep · 78 km away
  2. 1.754 km SE of West Yellowstone, Montana · 2938 days ago · 6 km deep · 58 km away
  3. 1.714 km S of West Yellowstone, Montana · 2940 days ago · 13 km deep · 89 km away
  4. 2.035 km ESE of Island Park, Idaho · 2944 days ago · 4 km deep · 84 km away
  5. 2.925 km ESE of Mammoth, Wyoming · 2946 days ago · 11 km deep · 39 km away
  6. 1.640 km S of Silver Gate, Montana · 2949 days ago · 10 km deep · 7 km away
  7. 1.639 km S of Silver Gate, Montana · 2950 days ago · 13 km deep · 5 km away
  8. 1.545 km SSE of Mammoth, Wyoming · 2952 days ago · 4 km deep · 36 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60298412. Read Mon, Oct 5, 2026, 5:21 AM UTC.