Washington earthquakes

M1.8 earthquake 37 km NNE of Amboy, Washington

A magnitude 1.8 earthquake struck 37 km NNE of Amboy, Washington on Sat, Sep 8, 1984, 9:42 PM PDT (04:42 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.4 37 km NNE of Amboy, Washington. This one was a foreshock.

Amboy forecastMore in Washington

Map

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

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The earthquake

Magnitude
1.8 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1984-09-09 04:42:36 UTC
Depth
0.3 km (0.2 mi), shallow
Epicenter
46.201° N, 122.197° W
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, 0.3 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
79°
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: 39 in the 60 days after this one and 47 in the 30 days before it.

After

  1. 1.838 km NNE of Amboy, Washington · 15364 days ago · -2 km deep · 1 km away
  2. 1.538 km NNE of Amboy, Washington · 15364 days ago · -1 km deep · 1 km away
  3. 1.738 km NNE of Amboy, Washington · 15364 days ago · -1 km deep · 1 km away
  4. 1.538 km NNE of Amboy, Washington · 15364 days ago · -1 km deep · 1 km away
  5. 1.838 km NNE of Amboy, Washington · 15364 days ago · -1 km deep · 1 km away
  6. 1.738 km NNE of Amboy, Washington · 15364 days ago · -2 km deep · 1 km away
  7. 1.838 km NNE of Amboy, Washington · 15364 days ago · -2 km deep · 1 km away
  8. 1.838 km NNE of Amboy, Washington · 15364 days ago · -1 km deep · 1 km away
  9. 1.838 km NNE of Amboy, Washington · 15364 days ago · -2 km deep · 1 km away
  10. 2.038 km NNE of Amboy, Washington · 15364 days ago · -2 km deep · 1 km away
  11. 2.138 km NNE of Amboy, Washington · 15364 days ago · -1 km deep · 1 km away
  12. 2.238 km NNE of Amboy, Washington · 15363 days ago · -2 km deep · 1 km away
  13. 2.437 km NNE of Amboy, Washington · 15363 days ago · -1 km deep · 0 km away
  14. 2.037 km NNE of Amboy, Washington · 15363 days ago · -1 km deep · 0 km away
  15. 2.437 km NNE of Amboy, Washington · 15363 days ago · -2 km deep · 1 km away
  16. 2.238 km NNE of Amboy, Washington · 15362 days ago · -2 km deep · 1 km away
  17. 1.94 km ESE of Carbonado, Washington · 15360 days ago · 1 km deep · 98 km away
  18. 1.96 km NNE of Packwood, Washington · 15357 days ago · 6 km deep · 66 km away
  19. 2.17 km E of Kapowsin, Washington · 15356 days ago · 19 km deep · 87 km away
  20. 2.037 km NNE of Amboy, Washington · 15352 days ago · -1 km deep · 0 km away
  21. 1.837 km NNE of Amboy, Washington · 15342 days ago · 1 km deep · 2 km away
  22. 2.338 km NNE of Amboy, Washington · 15341 days ago · -2 km deep · 1 km away
  23. 1.525 km S of Morton, Washington · 15337 days ago · 8 km deep · 15 km away
  24. 1.95 km ESE of Packwood, Washington · 15336 days ago · 2 km deep · 64 km away
  25. 2.138 km NNE of Amboy, Washington · 15333 days ago · -2 km deep · 1 km away
  26. 1.529 km S of Mossyrock, Washington · 15328 days ago · 15 km deep · 21 km away
  27. 1.738 km NNE of Amboy, Washington · 15327 days ago · -2 km deep · 1 km away
  28. 2.06 km E of Ashford, Washington · 15326 days ago · 5 km deep · 64 km away
  29. 1.541 km SSE of Morton, Washington · 15325 days ago · 9 km deep · 17 km away
  30. 1.638 km NNE of Amboy, Washington · 15324 days ago · -2 km deep · 1 km away
  31. 1.537 km SSE of Morton, Washington · 15324 days ago · 9 km deep · 7 km away
  32. 2.015 km SSW of Clatskanie, Oregon · 15323 days ago · 54 km deep · 89 km away
  33. 1.538 km NNE of Amboy, Washington · 15322 days ago · -2 km deep · 1 km away
  34. 1.937 km S of Morton, Washington · 15314 days ago · 0 km deep · 3 km away
  35. 1.625 km ENE of Yacolt, Washington · 15311 days ago · 6 km deep · 26 km away
  36. 2.237 km S of Morton, Washington · 15310 days ago · 0 km deep · 3 km away
  37. 1.922 km S of Morton, Washington · 15310 days ago · 10 km deep · 18 km away
  38. 1.520 km NE of Ashford, Washington · 15307 days ago · 6 km deep · 83 km away
  39. 1.838 km NNE of Amboy, Washington · 15306 days ago · -2 km deep · 1 km away

Before

  1. 1.838 km NNE of Amboy, Washington · 15365 days ago · -2 km deep · 1 km away
  2. 1.738 km NNE of Amboy, Washington · 15365 days ago · -1 km deep · 1 km away
  3. 1.838 km NNE of Amboy, Washington · 15365 days ago · -2 km deep · 1 km away
  4. 1.738 km NNE of Amboy, Washington · 15365 days ago · -2 km deep · 0 km away
  5. 2.538 km NNE of Amboy, Washington · 15366 days ago · -2 km deep · 1 km away
  6. 1.838 km NNE of Amboy, Washington · 15367 days ago · 0 km deep · 1 km away
  7. 1.538 km NNE of Amboy, Washington · 15367 days ago · -2 km deep · 1 km away
  8. 1.538 km NNE of Amboy, Washington · 15368 days ago · -1 km deep · 1 km away
  9. 2.138 km NNE of Amboy, Washington · 15369 days ago · -1 km deep · 1 km away
  10. 1.938 km NNE of Amboy, Washington · 15369 days ago · -1 km deep · 1 km away
  11. 1.638 km NNE of Amboy, Washington · 15369 days ago · -1 km deep · 1 km away
  12. 1.9Washington · 15369 days ago · -1 km deep · 1 km away
  13. 1.638 km NNE of Amboy, Washington · 15370 days ago · -2 km deep · 1 km away
  14. 2.238 km NNE of Amboy, Washington · 15370 days ago · -1 km deep · 1 km away
  15. 1.538 km NNE of Amboy, Washington · 15370 days ago · -1 km deep · 1 km away
  16. 1.538 km NNE of Amboy, Washington · 15370 days ago · 0 km deep · 1 km away
  17. 1.638 km NNE of Amboy, Washington · 15370 days ago · -2 km deep · 1 km away
  18. 1.51 km SSE of Ridgefield, Washington · 15371 days ago · 10 km deep · 61 km away
  19. 1.538 km NNE of Amboy, Washington · 15371 days ago · -2 km deep · 1 km away
  20. 2.038 km NNE of Amboy, Washington · 15372 days ago · -1 km deep · 0 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10180533. Read Sat, Oct 3, 2026, 4:33 PM UTC.