Idaho earthquakes

M3.1 earthquake 9 km SE of Challis, Idaho

A magnitude 3.1 earthquake struck 9 km SE of Challis, Idaho on Tue, Aug 28, 1984, 5:19 AM MDT (11:19 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.4 8 km SE of Challis, Idaho. This one was a foreshock.

Challis forecastMore in Idaho

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.1 (ml), minor
Local time
UTC
1984-08-28 11:19:44 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
44.456° N, 114.138° 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.

Depth from
OPERATOR_ASSIGNED

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 40 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 3.48 km SE of Challis, Idaho · 15365 days ago · 10 km deep · 3 km away
  2. 3.318 km SE of Challis, Idaho · 15364 days ago · 10 km deep · 10 km away
  3. 3.510 km SE of Challis, Idaho · 15363 days ago · 10 km deep · 1 km away
  4. 3.98 km SE of Challis, Idaho · 15363 days ago · 10 km deep · 1 km away
  5. 3.111 km SE of Challis, Idaho · 15361 days ago · 10 km deep · 3 km away
  6. 3.218 km SSE of Challis, Idaho · 15359 days ago · 10 km deep · 11 km away
  7. 3.711 km ESE of Challis, Idaho · 15358 days ago · 10 km deep · 3 km away
  8. 3.110 km ESE of Challis, Idaho · 15358 days ago · 10 km deep · 2 km away
  9. 2.98 km E of Challis, Idaho · 15358 days ago · 10 km deep · 4 km away
  10. 3.410 km SE of Challis, Idaho · 15357 days ago · 10 km deep · 3 km away
  11. 3.710 km SSE of Challis, Idaho · 15357 days ago · 10 km deep · 5 km away
  12. 3.121 km ESE of Clayton, Idaho · 15357 days ago · 10 km deep · 26 km away
  13. 3.013 km ESE of Challis, Idaho · 15356 days ago · 10 km deep · 5 km away
  14. 5.19 km SE of Challis, Idaho · 15354 days ago · 10 km deep · 2 km away
  15. 3.512 km SE of Challis, Idaho · 15354 days ago · 10 km deep · 4 km away
  16. 3.011 km ENE of Clayton, Idaho · 15354 days ago · 10 km deep · 21 km away
  17. 3.516 km SE of Challis, Idaho · 15354 days ago · 10 km deep · 8 km away
  18. 3.312 km SSE of Challis, Idaho · 15354 days ago · 10 km deep · 5 km away
  19. 3.313 km ESE of Challis, Idaho · 15354 days ago · 10 km deep · 5 km away
  20. 3.110 km SE of Challis, Idaho · 15354 days ago · 10 km deep · 2 km away
  21. 3.99 km SE of Challis, Idaho · 15354 days ago · 10 km deep · 2 km away
  22. 3.011 km SE of Challis, Idaho · 15354 days ago · 10 km deep · 2 km away
  23. 3.013 km ESE of Challis, Idaho · 15354 days ago · 10 km deep · 4 km away
  24. 4.011 km SE of Challis, Idaho · 15354 days ago · 10 km deep · 4 km away
  25. 4.411 km SE of Challis, Idaho · 15354 days ago · 10 km deep · 5 km away
  26. 3.910 km SE of Challis, Idaho · 15349 days ago · 10 km deep · 3 km away
  27. 3.657 km W of Salmon, Idaho · 15348 days ago · 10 km deep · 96 km away
  28. 4.013 km SE of Challis, Idaho · 15344 days ago · 10 km deep · 5 km away
  29. 3.213 km SE of Challis, Idaho · 15344 days ago · 10 km deep · 5 km away
  30. 3.517 km ENE of Clayton, Idaho · 15343 days ago · 10 km deep · 15 km away
  31. 3.48 km S of Challis, Idaho · 15341 days ago · 10 km deep · 9 km away
  32. 3.411 km SE of Challis, Idaho · 15339 days ago · 10 km deep · 4 km away
  33. 3.01 km NNE of Challis, Idaho · 15336 days ago · 10 km deep · 10 km away
  34. 3.345 km NNW of Stanley, Idaho · 15333 days ago · 10 km deep · 75 km away
  35. 3.613 km SSE of Challis, Idaho · 15330 days ago · 10 km deep · 8 km away
  36. 3.224 km SE of Challis, Idaho · 15329 days ago · 10 km deep · 16 km away
  37. 3.824 km E of Clayton, Idaho · 15328 days ago · 10 km deep · 20 km away
  38. 3.524 km SSE of Challis, Idaho · 15320 days ago · 10 km deep · 16 km away
  39. 3.719 km ESE of Challis, Idaho · 15313 days ago · 10 km deep · 10 km away
  40. 3.619 km SSE of Challis, Idaho · 15307 days ago · 10 km deep · 13 km away

Before

  1. 3.110 km SSE of Challis, Idaho · 15366 days ago · 10 km deep · 5 km away
  2. 3.014 km SE of Challis, Idaho · 15368 days ago · 10 km deep · 5 km away
  3. 3.18 km SE of Challis, Idaho · 15368 days ago · 10 km deep · 0 km away
  4. 3.415 km ESE of Challis, Idaho · 15369 days ago · 10 km deep · 6 km away
  5. 3.88 km ESE of Challis, Idaho · 15370 days ago · 10 km deep · 1 km away
  6. 3.413 km ESE of Challis, Idaho · 15370 days ago · 10 km deep · 4 km away
  7. 3.215 km S of Challis, Idaho · 15371 days ago · 10 km deep · 11 km away
  8. 3.214 km SE of Challis, Idaho · 15371 days ago · 10 km deep · 5 km away
  9. 4.17 km ESE of Challis, Idaho · 15371 days ago · 10 km deep · 2 km away
  10. 3.114 km SSE of Challis, Idaho · 15371 days ago · 10 km deep · 9 km away
  11. 3.222 km WSW of Clayton, Idaho · 15371 days ago · 10 km deep · 51 km away
  12. 3.213 km SE of Challis, Idaho · 15371 days ago · 10 km deep · 4 km away
  13. 3.312 km ESE of Challis, Idaho · 15371 days ago · 10 km deep · 4 km away
  14. 4.03 km SE of Challis, Idaho · 15371 days ago · 10 km deep · 6 km away
  15. 3.311 km ESE of Challis, Idaho · 15371 days ago · 10 km deep · 2 km away
  16. 3.38 km SE of Challis, Idaho · 15371 days ago · 10 km deep · 1 km away
  17. 3.025 km SE of Stanley, Idaho · 15371 days ago · 10 km deep · 60 km away
  18. 5.618 km ESE of Challis, Idaho · 15371 days ago · 10 km deep · 10 km away
  19. 3.220 km SE of Stanley, Idaho · 15372 days ago · 10 km deep · 64 km away
  20. 3.420 km ESE of Stanley, Idaho · 15378 days ago · 10 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00026te. Read Tue, Sep 22, 2026, 12:16 PM UTC.