Washington earthquakes

M1.6 earthquake 38 km NNE of Amboy, Washington

A magnitude 1.6 earthquake struck 38 km NNE of Amboy, Washington on Tue, Sep 4, 1984, 9:31 AM PDT (16:31 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M1.9 38 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
1.6 (md), micro
Local time
UTC
1984-09-04 16:31:23 UTC
Depth
-1.5 km (-0.9 mi), shallow
Epicenter
46.208° N, 122.190° 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 0.0 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.07
Depth from
Operator assigned
Station coverage gap
149°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 48 in the 60 days after this one and 38 in the 30 days before it.

After

  1. 1.938 km NNE of Amboy, Washington · 15358 days ago · -1 km deep · 1 km away
  2. 2.138 km NNE of Amboy, Washington · 15358 days ago · -1 km deep · 1 km away
  3. 1.538 km NNE of Amboy, Washington · 15357 days ago · -1 km deep · 1 km away
  4. 1.538 km NNE of Amboy, Washington · 15356 days ago · -2 km deep · 0 km away
  5. 1.838 km NNE of Amboy, Washington · 15356 days ago · 0 km deep · 0 km away
  6. 2.538 km NNE of Amboy, Washington · 15355 days ago · -2 km deep · 1 km away
  7. 1.738 km NNE of Amboy, Washington · 15355 days ago · -2 km deep · 1 km away
  8. 1.838 km NNE of Amboy, Washington · 15354 days ago · -2 km deep · 1 km away
  9. 1.738 km NNE of Amboy, Washington · 15354 days ago · -1 km deep · 0 km away
  10. 1.838 km NNE of Amboy, Washington · 15354 days ago · -2 km deep · 0 km away
  11. 1.837 km NNE of Amboy, Washington · 15354 days ago · 0 km deep · 1 km away
  12. 1.838 km NNE of Amboy, Washington · 15353 days ago · -2 km deep · 0 km away
  13. 1.538 km NNE of Amboy, Washington · 15353 days ago · -1 km deep · 0 km away
  14. 1.738 km NNE of Amboy, Washington · 15353 days ago · -1 km deep · 0 km away
  15. 1.538 km NNE of Amboy, Washington · 15353 days ago · -1 km deep · 0 km away
  16. 1.838 km NNE of Amboy, Washington · 15353 days ago · -1 km deep · 0 km away
  17. 1.738 km NNE of Amboy, Washington · 15353 days ago · -2 km deep · 0 km away
  18. 1.838 km NNE of Amboy, Washington · 15353 days ago · -2 km deep · 0 km away
  19. 1.838 km NNE of Amboy, Washington · 15353 days ago · -1 km deep · 0 km away
  20. 1.838 km NNE of Amboy, Washington · 15353 days ago · -2 km deep · 0 km away
  21. 2.038 km NNE of Amboy, Washington · 15353 days ago · -2 km deep · 0 km away
  22. 2.138 km NNE of Amboy, Washington · 15353 days ago · -1 km deep · 1 km away
  23. 2.238 km NNE of Amboy, Washington · 15352 days ago · -2 km deep · 1 km away
  24. 2.437 km NNE of Amboy, Washington · 15352 days ago · -1 km deep · 1 km away
  25. 2.037 km NNE of Amboy, Washington · 15352 days ago · -1 km deep · 1 km away
  26. 2.437 km NNE of Amboy, Washington · 15352 days ago · -2 km deep · 1 km away
  27. 2.238 km NNE of Amboy, Washington · 15351 days ago · -2 km deep · 0 km away
  28. 1.94 km ESE of Carbonado, Washington · 15350 days ago · 1 km deep · 97 km away
  29. 1.96 km NNE of Packwood, Washington · 15346 days ago · 6 km deep · 65 km away
  30. 2.17 km E of Kapowsin, Washington · 15345 days ago · 19 km deep · 86 km away
  31. 2.037 km NNE of Amboy, Washington · 15341 days ago · -1 km deep · 1 km away
  32. 1.837 km NNE of Amboy, Washington · 15331 days ago · 1 km deep · 2 km away
  33. 2.338 km NNE of Amboy, Washington · 15330 days ago · -2 km deep · 0 km away
  34. 1.525 km S of Morton, Washington · 15326 days ago · 8 km deep · 14 km away
  35. 1.95 km ESE of Packwood, Washington · 15325 days ago · 2 km deep · 63 km away
  36. 2.138 km NNE of Amboy, Washington · 15322 days ago · -2 km deep · 0 km away
  37. 1.529 km S of Mossyrock, Washington · 15317 days ago · 15 km deep · 21 km away
  38. 1.738 km NNE of Amboy, Washington · 15317 days ago · -2 km deep · 0 km away
  39. 2.06 km E of Ashford, Washington · 15315 days ago · 5 km deep · 63 km away
  40. 1.541 km SSE of Morton, Washington · 15314 days ago · 9 km deep · 16 km away
  41. 1.638 km NNE of Amboy, Washington · 15314 days ago · -2 km deep · 0 km away
  42. 1.537 km SSE of Morton, Washington · 15313 days ago · 9 km deep · 6 km away
  43. 2.015 km SSW of Clatskanie, Oregon · 15312 days ago · 54 km deep · 90 km away
  44. 1.538 km NNE of Amboy, Washington · 15311 days ago · -2 km deep · 0 km away
  45. 1.937 km S of Morton, Washington · 15303 days ago · 0 km deep · 2 km away
  46. 1.625 km ENE of Yacolt, Washington · 15300 days ago · 6 km deep · 26 km away
  47. 2.237 km S of Morton, Washington · 15300 days ago · 0 km deep · 2 km away
  48. 1.922 km S of Morton, Washington · 15299 days ago · 10 km deep · 18 km away

Before

  1. 1.9Washington · 15358 days ago · -1 km deep · 0 km away
  2. 1.638 km NNE of Amboy, Washington · 15359 days ago · -2 km deep · 0 km away
  3. 2.238 km NNE of Amboy, Washington · 15359 days ago · -1 km deep · 1 km away
  4. 1.538 km NNE of Amboy, Washington · 15359 days ago · -1 km deep · 0 km away
  5. 1.538 km NNE of Amboy, Washington · 15359 days ago · 0 km deep · 0 km away
  6. 1.638 km NNE of Amboy, Washington · 15360 days ago · -2 km deep · 1 km away
  7. 1.51 km SSE of Ridgefield, Washington · 15360 days ago · 10 km deep · 62 km away
  8. 1.538 km NNE of Amboy, Washington · 15360 days ago · -2 km deep · 1 km away
  9. 2.038 km NNE of Amboy, Washington · 15361 days ago · -1 km deep · 1 km away
  10. 1.638 km NNE of Amboy, Washington · 15361 days ago · -1 km deep · 1 km away
  11. 1.938 km NNE of Amboy, Washington · 15362 days ago · -1 km deep · 0 km away
  12. 2.438 km NNE of Amboy, Washington · 15363 days ago · -2 km deep · 0 km away
  13. 2.338 km NNE of Amboy, Washington · 15363 days ago · -1 km deep · 0 km away
  14. 1.720 km S of Morton, Washington · 15363 days ago · 8 km deep · 19 km away
  15. 1.838 km NNE of Amboy, Washington · 15363 days ago · -1 km deep · 0 km away
  16. 2.438 km NNE of Amboy, Washington · 15363 days ago · -1 km deep · 1 km away
  17. 1.638 km NNE of Amboy, Washington · 15363 days ago · -1 km deep · 1 km away
  18. 1.538 km NNE of Amboy, Washington · 15363 days ago · -1 km deep · 1 km away
  19. 1.838 km NNE of Amboy, Washington · 15363 days ago · -2 km deep · 0 km away
  20. 1.638 km NNE of Amboy, Washington · 15365 days ago · -1 km deep · 0 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10179503. Read Tue, Sep 22, 2026, 9:40 PM UTC.