Montana earthquakes

M1.9 earthquake 22 km SE of Mammoth, Wyoming

A magnitude 1.9 earthquake struck 22 km SE of Mammoth, Wyoming on Sun, Jan 22, 2017, 10:27 AM MST (17:27 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.4 42 km W of Hebgen Lake Estates, 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
1.9 (ML, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2017-01-22 17:27:39 UTC
Depth
11.2 km (7.0 mi), shallow
Epicenter
44.828° N, 110.503° 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 0.6 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
80°
Stations used
16

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. 2.020 km SE of Mammoth, Wyoming · 3541 days ago · 7 km deep · 2 km away
  2. 1.649 km SE of Mammoth, Wyoming · 3540 days ago · 5 km deep · 27 km away
  3. 2.047 km SSE of Mammoth, Wyoming · 3540 days ago · 5 km deep · 26 km away
  4. 2.147 km SSE of Mammoth, Wyoming · 3540 days ago · 5 km deep · 26 km away
  5. 2.947 km SSE of Mammoth, Wyoming · 3540 days ago · 4 km deep · 25 km away
  6. 2.147 km SSE of Mammoth, Wyoming · 3540 days ago · 2 km deep · 26 km away
  7. 1.6Wyoming · 3537 days ago · 6 km deep · 24 km away
  8. 1.738 km S of Silver Gate, Montana · 3529 days ago · 15 km deep · 44 km away
  9. 3.442 km W of Hebgen Lake Estates, Montana · 3529 days ago · 12 km deep · 97 km away
  10. 1.839 km SSE of Mammoth, Wyoming · 3523 days ago · 4 km deep · 18 km away
  11. 1.638 km SSE of Mammoth, Wyoming · 3523 days ago · 4 km deep · 18 km away
  12. 1.95 km SSW of West Yellowstone, Montana · 3523 days ago · 12 km deep · 55 km away
  13. 2.025 km S of Mammoth, Wyoming · 3523 days ago · 4 km deep · 16 km away
  14. 2.425 km S of Mammoth, Wyoming · 3523 days ago · 4 km deep · 15 km away
  15. 1.720 km SSE of Mammoth, Wyoming · 3522 days ago · 8 km deep · 9 km away
  16. 2.314 km E of Hebgen Lake Estates, Montana · 3521 days ago · 8 km deep · 40 km away
  17. 1.948 km SE of West Yellowstone, Montana · 3514 days ago · 4 km deep · 52 km away
  18. 1.927 km SW of Silver Gate, Montana · 3514 days ago · 4 km deep · 20 km away
  19. 1.815 km ENE of Hebgen Lake Estates, Montana · 3513 days ago · 7 km deep · 39 km away
  20. 1.640 km SE of Mammoth, Wyoming · 3509 days ago · 2 km deep · 18 km away
  21. 2.034 km E of West Yellowstone, Montana · 3508 days ago · 5 km deep · 26 km away
  22. 1.725 km SSE of West Yellowstone, Montana · 3507 days ago · 12 km deep · 55 km away
  23. 2.623 km NE of West Yellowstone, Montana · 3503 days ago · 6 km deep · 30 km away · felt by 1
  24. 1.715 km ENE of Hebgen Lake Estates, Montana · 3501 days ago · 4 km deep · 39 km away
  25. 2.522 km NE of West Yellowstone, Montana · 3499 days ago · 6 km deep · 31 km away
  26. 2.023 km SW of Mammoth, Wyoming · 3499 days ago · 6 km deep · 30 km away
  27. 1.99 km SSW of West Yellowstone, Montana · 3498 days ago · 8 km deep · 58 km away
  28. 1.628 km WNW of Hebgen Lake Estates, Montana · 3497 days ago · 13 km deep · 82 km away
  29. 2.644 km W of Hebgen Lake Estates, Montana · 3496 days ago · 11 km deep · 99 km away
  30. 1.735 km E of West Yellowstone, Montana · 3493 days ago · 4 km deep · 27 km away
  31. 1.645 km SSE of West Yellowstone, Montana · 3492 days ago · 6 km deep · 61 km away
  32. 1.923 km SW of Mammoth, Wyoming · 3491 days ago · 6 km deep · 30 km away
  33. 1.843 km W of Hebgen Lake Estates, Montana · 3491 days ago · 11 km deep · 98 km away
  34. 2.17 km SSW of West Yellowstone, Montana · 3482 days ago · 8 km deep · 56 km away

Before

  1. 1.815 km ENE of Hebgen Lake Estates, Montana · 3543 days ago · 7 km deep · 39 km away
  2. 1.516 km E of Hebgen Lake Estates, Montana · 3543 days ago · 7 km deep · 39 km away
  3. 3.315 km ENE of Hebgen Lake Estates, Montana · 3543 days ago · 8 km deep · 39 km away · felt by 1
  4. 1.518 km ENE of West Yellowstone, Montana · 3544 days ago · 11 km deep · 33 km away
  5. 1.84 km S of Hebgen Lake Estates, Montana · 3547 days ago · 7 km deep · 56 km away
  6. 1.521 km WNW of Hebgen Lake Estates, Montana · 3555 days ago · 7 km deep · 73 km away
  7. 2.474 km SE of West Yellowstone, Montana · 3556 days ago · 9 km deep · 61 km away
  8. 3.445 km ENE of Warm River, Idaho · 3556 days ago · 4 km deep · 69 km away
  9. 2.046 km ENE of Warm River, Idaho · 3556 days ago · 3 km deep · 70 km away
  10. 2.246 km ENE of Warm River, Idaho · 3556 days ago · 4 km deep · 70 km away
  11. 1.922 km SSW of Mammoth, Wyoming · 3557 days ago · 7 km deep · 24 km away
  12. 1.843 km W of Hebgen Lake Estates, Montana · 3561 days ago · 12 km deep · 98 km away
  13. 1.627 km WNW of Hebgen Lake Estates, Montana · 3562 days ago · 13 km deep · 81 km away
  14. 1.646 km ENE of Warm River, Idaho · 3564 days ago · 2 km deep · 71 km away
  15. 1.524 km SSW of Mammoth, Wyoming · 3565 days ago · 4 km deep · 23 km away
  16. 2.038 km SSE of Mammoth, Wyoming · 3567 days ago · 5 km deep · 17 km away
  17. 1.646 km ENE of Warm River, Idaho · 3568 days ago · 2 km deep · 71 km away
  18. 1.646 km ENE of Warm River, Idaho · 3568 days ago · 2 km deep · 69 km away
  19. 1.841 km SSE of Mammoth, Wyoming · 3569 days ago · 4 km deep · 20 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60182462. Read Sat, Oct 3, 2026, 3:54 PM UTC.