Montana earthquakes

M1.7 earthquake Wyoming

A magnitude 1.7 earthquake struck in Wyoming on Sun, Aug 26, 2018, 2:33 PM MDT (20:33 UTC), 4 km (2 mi) below the surface.

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

West Yellowstone 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
1.7 (ml), micro
Local time
UTC
2018-08-26 20:33:15 UTC
Depth
3.8 km (2.4 mi), shallow
Epicenter
44.470° N, 110.576° 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 0.3 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
71°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 34 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 1.747 km ESE of West Yellowstone, Montana · 2957 days ago · 4 km deep · 0 km away
  2. 2.047 km ESE of West Yellowstone, Montana · 2957 days ago · 4 km deep · 1 km away
  3. 2.047 km ESE of West Yellowstone, Montana · 2957 days ago · 4 km deep · 0 km away
  4. 1.823 km SSW of Mammoth, Wyoming · 2954 days ago · 5 km deep · 38 km away
  5. 2.323 km SSW of Mammoth, Wyoming · 2954 days ago · 5 km deep · 38 km away
  6. 2.423 km SSW of Mammoth, Wyoming · 2954 days ago · 5 km deep · 38 km away
  7. 2.222 km SSW of Mammoth, Wyoming · 2954 days ago · 5 km deep · 39 km away
  8. 1.545 km SSE of Mammoth, Wyoming · 2948 days ago · 4 km deep · 19 km away
  9. 1.639 km S of Silver Gate, Montana · 2945 days ago · 13 km deep · 48 km away
  10. 1.640 km S of Silver Gate, Montana · 2945 days ago · 10 km deep · 46 km away
  11. 1.944 km W of Hebgen Lake Estates, Montana · 2943 days ago · 10 km deep · 98 km away
  12. 2.925 km ESE of Mammoth, Wyoming · 2941 days ago · 11 km deep · 45 km away
  13. 2.035 km ESE of Island Park, Idaho · 2939 days ago · 4 km deep · 32 km away
  14. 1.714 km S of West Yellowstone, Montana · 2936 days ago · 13 km deep · 42 km away
  15. 1.754 km SE of West Yellowstone, Montana · 2933 days ago · 6 km deep · 12 km away
  16. 2.427 km NE of Kelly, Wyoming · 2930 days ago · 11 km deep · 80 km away
  17. 1.647 km ENE of Warm River, Idaho · 2927 days ago · 11 km deep · 28 km away
  18. 1.734 km S of Silver Gate, Montana · 2923 days ago · 17 km deep · 52 km away
  19. 2.713 km NE of West Yellowstone, Montana · 2919 days ago · 10 km deep · 45 km away
  20. 2.323 km SW of Mammoth, Wyoming · 2918 days ago · 7 km deep · 45 km away
  21. 1.746 km ENE of Warm River, Idaho · 2916 days ago · 4 km deep · 30 km away
  22. 1.531 km ESE of Island Park, Idaho · 2916 days ago · 8 km deep · 35 km away
  23. 1.545 km SSE of Mammoth, Wyoming · 2915 days ago · 2 km deep · 21 km away
  24. 1.711 km NNE of Tetonia, Idaho · 2913 days ago · 11 km deep · 75 km away · felt by 1
  25. 1.745 km ENE of Warm River, Idaho · 2912 days ago · 6 km deep · 28 km away
  26. 2.09 km E of Kelly, Wyoming · 2910 days ago · 4 km deep · 94 km away
  27. 2.610 km NNE of West Yellowstone, Montana · 2909 days ago · 7 km deep · 48 km away
  28. 2.011 km NNE of West Yellowstone, Montana · 2907 days ago · 7 km deep · 48 km away
  29. 2.212 km NNE of West Yellowstone, Montana · 2907 days ago · 9 km deep · 49 km away
  30. 1.818 km NE of West Yellowstone, Montana · 2903 days ago · 9 km deep · 44 km away
  31. 1.518 km NE of West Yellowstone, Montana · 2903 days ago · 9 km deep · 44 km away
  32. 2.772 km ESE of West Yellowstone, Montana · 2901 days ago · 10 km deep · 25 km away · felt by 1
  33. 2.123 km SW of Mammoth, Wyoming · 2900 days ago · 5 km deep · 45 km away
  34. 1.646 km SE of West Yellowstone, Montana · 2898 days ago · 3 km deep · 13 km away

Before

  1. 1.647 km ESE of West Yellowstone, Montana · 2957 days ago · 4 km deep · 1 km away
  2. 1.947 km ESE of West Yellowstone, Montana · 2957 days ago · 4 km deep · 0 km away
  3. 1.849 km ESE of West Yellowstone, Montana · 2963 days ago · 6 km deep · 2 km away
  4. 2.128 km NE of Kelly, Wyoming · 2963 days ago · 7 km deep · 78 km away
  5. 1.513 km E of Hebgen Lake Estates, Montana · 2967 days ago · 10 km deep · 48 km away
  6. 1.6Idaho-Montana border region · 2967 days ago · 10 km deep · 49 km away
  7. 1.845 km ENE of Warm River, Idaho · 2968 days ago · 7 km deep · 29 km away
  8. 2.144 km W of Hebgen Lake Estates, Montana · 2973 days ago · 11 km deep · 98 km away
  9. 1.717 km ENE of Hebgen Lake Estates, Montana · 2973 days ago · 11 km deep · 50 km away
  10. 2.127 km NE of Kelly, Wyoming · 2976 days ago · 12 km deep · 78 km away
  11. 2.536 km S of Silver Gate, Montana · 2977 days ago · 15 km deep · 48 km away
  12. 1.65 km E of Hebgen Lake Estates, Montana · 2980 days ago · 10 km deep · 54 km away
  13. 1.65 km E of Hebgen Lake Estates, Montana · 2980 days ago · 10 km deep · 54 km away
  14. 2.15 km E of Hebgen Lake Estates, Montana · 2981 days ago · 11 km deep · 54 km away
  15. 2.15 km E of Hebgen Lake Estates, Montana · 2981 days ago · 11 km deep · 54 km away
  16. 1.756 km SSW of Silver Gate, Montana · 2981 days ago · 6 km deep · 33 km away
  17. 1.951 km SE of West Yellowstone, Montana · 2986 days ago · 3 km deep · 9 km away
  18. 1.650 km SE of West Yellowstone, Montana · 2987 days ago · 2 km deep · 10 km away
  19. 1.521 km SSW of Mammoth, Wyoming · 2987 days ago · 4 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60016404. Read Wed, Sep 30, 2026, 11:48 PM UTC.