Montana earthquakes

M1.9 earthquake 52 km SSE of Mammoth, Wyoming

A magnitude 1.9 earthquake struck 52 km SSE of Mammoth, Wyoming on Thu, Jun 23, 2016, 6:15 AM MDT (12:15 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M2.9 44 km ENE of Warm River, Idaho. 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
2016-06-23 12:15:21 UTC
Depth
4.0 km (2.5 mi), shallow
Epicenter
44.560° N, 110.386° 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 0.5 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.65
Depth from
From location
Station coverage gap
87°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 29 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 1.516 km ENE of Hebgen Lake Estates, Montana · 3752 days ago · 12 km deep · 54 km away
  2. 1.528 km W of Hebgen Lake Estates, Montana · 3751 days ago · 13 km deep · 95 km away
  3. 2.944 km ENE of Warm River, Idaho · 3748 days ago · 0 km deep · 50 km away
  4. 1.744 km ENE of Warm River, ID · 3748 days ago · 3 km deep · 49 km away
  5. 2.045 km ENE of Warm River, ID · 3748 days ago · 1 km deep · 49 km away
  6. 2.245 km ENE of Warm River, ID · 3748 days ago · 2 km deep · 49 km away
  7. 1.61 km SSW of Hebgen Lake Estates, Montana · 3747 days ago · 13 km deep · 68 km away
  8. 2.618 km WNW of Hebgen Lake Estates, Montana · 3747 days ago · 12 km deep · 86 km away
  9. 1.934 km E of West Yellowstone, Montana · 3742 days ago · 5 km deep · 24 km away
  10. 1.647 km ENE of Kelly, Wyoming · 3742 days ago · 10 km deep · 84 km away
  11. 1.945 km SE of West Yellowstone, Montana · 3736 days ago · 4 km deep · 31 km away
  12. 1.844 km SE of West Yellowstone, Montana · 3736 days ago · 11 km deep · 29 km away
  13. 1.544 km SE of West Yellowstone, Montana · 3736 days ago · 4 km deep · 30 km away
  14. 1.716 km ENE of Hebgen Lake Estates, Montana · 3736 days ago · 7 km deep · 58 km away
  15. 2.040 km SSE of West Yellowstone, Montana · 3732 days ago · 7 km deep · 43 km away
  16. 1.626 km E of Island Park, Idaho · 3732 days ago · 6 km deep · 54 km away
  17. 2.821 km W of Cody, Wyoming · 3726 days ago · 7 km deep · 84 km away
  18. 1.737 km S of Silver Gate, Montana · 3723 days ago · 12 km deep · 29 km away
  19. 2.229 km ESE of West Yellowstone, Montana · 3720 days ago · 7 km deep · 30 km away
  20. 1.929 km ESE of West Yellowstone, Montana · 3720 days ago · 6 km deep · 30 km away
  21. 1.629 km ESE of West Yellowstone, Montana · 3720 days ago · 4 km deep · 30 km away
  22. 1.638 km S of Silver Gate, Montana · 3720 days ago · 11 km deep · 30 km away
  23. 1.829 km ESE of West Yellowstone, Montana · 3720 days ago · 6 km deep · 30 km away
  24. 1.537 km S of Silver Gate, Montana · 3720 days ago · 9 km deep · 30 km away
  25. 1.711 km NNE of Tetonia, Idaho · 3718 days ago · 12 km deep · 92 km away
  26. 2.1Wyoming · 3714 days ago · 5 km deep · 11 km away
  27. 1.625 km S of Mammoth, Wyoming · 3713 days ago · 3 km deep · 30 km away
  28. 1.531 km ESE of Island Park, Idaho · 3704 days ago · 12 km deep · 56 km away
  29. 1.546 km SSE of Mammoth, Wyoming · 3698 days ago · 1 km deep · 6 km away

Before

  1. 1.952 km SSE of Mammoth, Wyoming · 3755 days ago · 4 km deep · 1 km away
  2. 2.452 km SSE of Mammoth, Wyoming · 3755 days ago · 4 km deep · 1 km away
  3. 2.146 km ENE of Warm River, Idaho · 3760 days ago · 10 km deep · 46 km away
  4. 1.620 km SSW of Mammoth, Wyoming · 3764 days ago · 2 km deep · 43 km away
  5. 2.043 km SE of West Yellowstone, Montana · 3765 days ago · 2 km deep · 36 km away
  6. 2.061 km NNE of Kelly, Wyoming · 3766 days ago · 11 km deep · 51 km away
  7. 1.640 km S of Silver Gate, Montana · 3771 days ago · 10 km deep · 32 km away
  8. 1.811 km NE of West Yellowstone, Montana · 3782 days ago · 9 km deep · 53 km away
  9. 2.510 km NE of West Yellowstone, Montana · 3782 days ago · 8 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60153912. Read Sun, Oct 4, 2026, 8:13 PM UTC.