Montana earthquakes

M1.7 earthquake 39 km SSE of Mammoth, Wyoming

A magnitude 1.7 earthquake struck 39 km SSE of Mammoth, Wyoming on Mon, Apr 3, 2017, 12:06 AM MDT (06:06 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M2.9 13 km NE 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 (ml), micro
Local time
UTC
2017-04-03 06:06:57 UTC
Depth
4.0 km (2.5 mi), shallow
Epicenter
44.661° N, 110.459° 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 0.4 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.30
Depth from
From location
Station coverage gap
117°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 41 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 1.844 km ESE of West Yellowstone, Montana · 3468 days ago · 4 km deep · 19 km away
  2. 1.77 km E of Hebgen Lake Estates, Montana · 3466 days ago · 8 km deep · 52 km away
  3. 1.744 km ENE of Warm River, Idaho · 3457 days ago · 7 km deep · 54 km away
  4. 1.726 km S of Silver Gate, Montana · 3454 days ago · 7 km deep · 37 km away
  5. 1.745 km SSW of Silver Gate, Montana · 3453 days ago · 6 km deep · 27 km away
  6. 2.450 km SSE of Mammoth, Wyoming · 3450 days ago · 4 km deep · 11 km away
  7. 1.524 km SSE of West Yellowstone, Montana · 3448 days ago · 10 km deep · 50 km away
  8. 2.227 km W of Hebgen Lake Estates, Montana · 3444 days ago · 13 km deep · 87 km away
  9. 2.214 km E of Hebgen Lake Estates, Montana · 3443 days ago · 7 km deep · 46 km away
  10. 2.314 km E of Hebgen Lake Estates, Montana · 3443 days ago · 9 km deep · 46 km away
  11. 1.825 km S of Mammoth, Wyoming · 3442 days ago · 3 km deep · 19 km away
  12. 1.724 km S of Mammoth, Wyoming · 3442 days ago · 4 km deep · 19 km away
  13. 1.625 km S of Mammoth, Wyoming · 3442 days ago · 4 km deep · 19 km away
  14. 1.814 km NE of West Yellowstone, Montana · 3436 days ago · 8 km deep · 44 km away
  15. 1.914 km NE of West Yellowstone, Montana · 3435 days ago · 7 km deep · 44 km away
  16. 2.314 km NE of West Yellowstone, Montana · 3435 days ago · 8 km deep · 44 km away
  17. 2.613 km NE of West Yellowstone, Montana · 3435 days ago · 9 km deep · 44 km away
  18. 1.914 km NE of West Yellowstone, Montana · 3434 days ago · 8 km deep · 44 km away
  19. 2.314 km NE of West Yellowstone, Montana · 3433 days ago · 8 km deep · 44 km away
  20. 2.913 km NE of West Yellowstone, Montana · 3433 days ago · 8 km deep · 44 km away
  21. 1.814 km NE of West Yellowstone, Montana · 3433 days ago · 8 km deep · 44 km away
  22. 2.349 km SSE of Mammoth, Wyoming · 3433 days ago · 4 km deep · 10 km away
  23. 1.849 km SSE of Mammoth, Wyoming · 3433 days ago · 5 km deep · 9 km away
  24. 1.613 km NE of West Yellowstone, Montana · 3433 days ago · 8 km deep · 44 km away
  25. 1.645 km NNW of Dubois, Wyoming · 3428 days ago · 14 km deep · 96 km away
  26. 1.78 km NE of West Yellowstone, Montana · 3427 days ago · 12 km deep · 45 km away
  27. 1.945 km NNW of Dubois, Wyoming · 3421 days ago · 14 km deep · 97 km away
  28. 1.842 km SSE of Mammoth, Wyoming · 3419 days ago · 4 km deep · 2 km away
  29. 2.040 km SSE of Mammoth, Wyoming · 3418 days ago · 4 km deep · 1 km away
  30. 2.240 km SSE of Mammoth, Wyoming · 3418 days ago · 4 km deep · 1 km away
  31. 1.712 km ENE of Hebgen Lake Estates, Montana · 3417 days ago · 8 km deep · 48 km away
  32. 1.946 km SSW of Silver Gate, Montana · 3415 days ago · 4 km deep · 15 km away
  33. 2.023 km SSW of Mammoth, Wyoming · 3408 days ago · 5 km deep · 28 km away
  34. 1.6Wyoming · 3408 days ago · 2 km deep · 28 km away
  35. 2.223 km SSW of Mammoth, Wyoming · 3408 days ago · 5 km deep · 28 km away
  36. 1.615 km S of Mammoth, Wyoming · 3408 days ago · 10 km deep · 29 km away
  37. 1.824 km SSW of Mammoth, Wyoming · 3408 days ago · 5 km deep · 28 km away
  38. 2.621 km SSW of Mammoth, Wyoming · 3408 days ago · 4 km deep · 29 km away
  39. 1.724 km SSW of Mammoth, Wyoming · 3408 days ago · 3 km deep · 28 km away
  40. 1.823 km SSW of Mammoth, Wyoming · 3408 days ago · 5 km deep · 28 km away
  41. 1.623 km SSW of Mammoth, Wyoming · 3408 days ago · 5 km deep · 28 km away

Before

  1. 2.37 km E of Hebgen Lake Estates, Montana · 3470 days ago · 8 km deep · 52 km away
  2. 2.27 km E of Hebgen Lake Estates, Montana · 3470 days ago · 8 km deep · 52 km away
  3. 1.538 km W of Roscoe, Montana · 3471 days ago · 4 km deep · 88 km away
  4. 2.037 km S of Silver Gate, Montana · 3472 days ago · 15 km deep · 38 km away
  5. 2.938 km S of Silver Gate, Montana · 3472 days ago · 13 km deep · 39 km away · felt by 1
  6. 1.624 km SSW of Mammoth, Wyoming · 3473 days ago · 7 km deep · 27 km away
  7. 2.17 km SSW of West Yellowstone, Montana · 3479 days ago · 8 km deep · 54 km away
  8. 1.923 km SW of Mammoth, Wyoming · 3489 days ago · 6 km deep · 38 km away
  9. 1.645 km SSE of West Yellowstone, Montana · 3490 days ago · 6 km deep · 46 km away
  10. 1.735 km E of West Yellowstone, Montana · 3490 days ago · 4 km deep · 17 km away
  11. 1.628 km WNW of Hebgen Lake Estates, Montana · 3494 days ago · 13 km deep · 87 km away
  12. 1.99 km SSW of West Yellowstone, Montana · 3495 days ago · 8 km deep · 56 km away
  13. 2.023 km SW of Mammoth, Wyoming · 3496 days ago · 6 km deep · 37 km away
  14. 2.522 km NE of West Yellowstone, Montana · 3496 days ago · 6 km deep · 37 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60191252. Read Wed, Sep 30, 2026, 9:03 PM UTC.