Idaho earthquakes

M2.1 earthquake 41 km NE of Spencer, Idaho

A magnitude 2.1 earthquake struck 41 km NE of Spencer, Idaho on Mon, Oct 24, 2016, 5:03 AM MDT (11:03 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M2.5 41 km SSE 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
2.1 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2016-10-24 11:03:59 UTC
Depth
8.7 km (5.4 mi), shallow
Epicenter
44.660° N, 111.877° W
Region
Idaho
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, 0.8 km in depth
Magnitude uncertainty
±0.29
Depth from
From location
Station coverage gap
64°
Stations used
41

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 20 in the 30 days before it.

After

  1. 1.622 km ESE of Leadore, Idaho · 3628 days ago · 5 km deep · 95 km away
  2. 1.513 km NNE of West Yellowstone, Montana · 3625 days ago · 7 km deep · 69 km away
  3. 2.112 km WSW of Sheridan, Montana · 3624 days ago · 3 km deep · 94 km away
  4. 1.843 km W of Hebgen Lake Estates, Montana · 3621 days ago · 11 km deep · 14 km away
  5. 1.733 km WSW of Dillon, Montana · 3619 days ago · 1 km deep · 98 km away
  6. 2.328 km W of Hebgen Lake Estates, Montana · 3619 days ago · 13 km deep · 30 km away · felt by 2
  7. 1.841 km ENE of Warm River, Idaho · 3609 days ago · 1 km deep · 96 km away
  8. 2.541 km SSE of West Yellowstone, Montana · 3607 days ago · 11 km deep · 89 km away · felt by 1
  9. 1.513 km N of Dillon, Montana · 3606 days ago · 4 km deep · 96 km away
  10. 1.933 km SW of Lima, Montana · 3602 days ago · 6 km deep · 86 km away
  11. 2.240 km NE of Spencer, Idaho · 3601 days ago · 9 km deep · 1 km away
  12. 1.727 km NE of Lima, Montana · 3597 days ago · 10 km deep · 39 km away
  13. 1.627 km S of Mammoth, Wyoming · 3596 days ago · 5 km deep · 88 km away
  14. 1.526 km WNW of Hebgen Lake Estates, Montana · 3596 days ago · 7 km deep · 38 km away
  15. 2.014 km NE of West Yellowstone, Montana · 3593 days ago · 8 km deep · 72 km away
  16. 1.617 km NNE of Dillon, Montana · 3593 days ago · 5 km deep · 97 km away
  17. 2.140 km NE of Spencer, Idaho · 3593 days ago · 10 km deep · 1 km away
  18. 2.026 km W of Hebgen Lake Estates, Montana · 3592 days ago · 13 km deep · 31 km away
  19. 1.617 km NNE of Dillon, Montana · 3585 days ago · 6 km deep · 97 km away
  20. 2.226 km S of Mammoth, Wyoming · 3580 days ago · 7 km deep · 88 km away
  21. 2.326 km SSW of Mammoth, Wyoming · 3580 days ago · 6 km deep · 88 km away
  22. 1.727 km W of Hebgen Lake Estates, Montana · 3579 days ago · 13 km deep · 32 km away
  23. 1.727 km S of Mammoth, Wyoming · 3571 days ago · 5 km deep · 88 km away

Before

  1. 1.619 km NE of West Yellowstone, Montana · 3630 days ago · 6 km deep · 76 km away
  2. 2.031 km SSE of West Yellowstone, Montana · 3631 days ago · 8 km deep · 81 km away
  3. 2.423 km ENE of Hebgen Lake Estates, Montana · 3633 days ago · 8 km deep · 79 km away
  4. 1.532 km ESE of West Yellowstone, Montana · 3637 days ago · 8 km deep · 93 km away
  5. 1.6Idaho-Montana border region · 3639 days ago · 1 km deep · 34 km away
  6. 1.9Idaho-Montana border region · 3640 days ago · 4 km deep · 35 km away
  7. 1.73 km NE of Hebgen Lake Estates, Montana · 3644 days ago · 11 km deep · 58 km away
  8. 2.110 km NNE of West Yellowstone, Montana · 3646 days ago · 7 km deep · 65 km away
  9. 1.628 km N of Lima, Montana · 3646 days ago · 8 km deep · 58 km away
  10. 1.836 km E of West Yellowstone, Montana · 3651 days ago · 5 km deep · 98 km away
  11. 2.226 km SSW of Mammoth, Wyoming · 3653 days ago · 7 km deep · 87 km away
  12. 2.346 km NW of Island Park, Idaho · 3655 days ago · 9 km deep · 10 km away
  13. 1.712 km E of West Yellowstone, Montana · 3656 days ago · 7 km deep · 73 km away
  14. 1.74 km ESE of Hebgen Lake Estates, Montana · 3658 days ago · 11 km deep · 60 km away
  15. 1.65 km ESE of Hebgen Lake Estates, Montana · 3658 days ago · 11 km deep · 60 km away
  16. 2.64 km ESE of Hebgen Lake Estates, Montana · 3659 days ago · 11 km deep · 60 km away
  17. 2.85 km ESE of Hebgen Lake Estates, Montana · 3659 days ago · 11 km deep · 60 km away
  18. 1.75 km ESE of Hebgen Lake Estates, Montana · 3659 days ago · 11 km deep · 60 km away
  19. 2.35 km ESE of Hebgen Lake Estates, Montana · 3659 days ago · 11 km deep · 60 km away
  20. 1.638 km SSE of West Yellowstone, Montana · 3660 days ago · 3 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80186029. Read Fri, Oct 2, 2026, 7:50 AM UTC.