Washington earthquakes

M1.8 earthquake 38 km NNE of Amboy, Washington

A magnitude 1.8 earthquake struck 38 km NNE of Amboy, Washington on Sun, Sep 9, 1984, 10:25 AM PDT (17:25 UTC), -1 km (-1 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.8 (md), micro
Local time
UTC
1984-09-09 17:25:21 UTC
Depth
-1.5 km (-0.9 mi), shallow
Epicenter
46.205° 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, 1.3 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
92°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 54 in the 30 days before it.

After

  1. 1.838 km NNE of Amboy, Washington · 15360 days ago · -2 km deep · 0 km away
  2. 2.038 km NNE of Amboy, Washington · 15360 days ago · -2 km deep · 0 km away
  3. 2.138 km NNE of Amboy, Washington · 15360 days ago · -1 km deep · 0 km away
  4. 2.238 km NNE of Amboy, Washington · 15359 days ago · -2 km deep · 1 km away
  5. 2.437 km NNE of Amboy, Washington · 15359 days ago · -1 km deep · 1 km away
  6. 2.037 km NNE of Amboy, Washington · 15359 days ago · -1 km deep · 1 km away
  7. 2.437 km NNE of Amboy, Washington · 15359 days ago · -2 km deep · 1 km away
  8. 2.238 km NNE of Amboy, Washington · 15358 days ago · -2 km deep · 1 km away
  9. 1.94 km ESE of Carbonado, Washington · 15356 days ago · 1 km deep · 97 km away
  10. 1.96 km NNE of Packwood, Washington · 15353 days ago · 6 km deep · 66 km away
  11. 2.17 km E of Kapowsin, Washington · 15352 days ago · 19 km deep · 87 km away
  12. 2.037 km NNE of Amboy, Washington · 15348 days ago · -1 km deep · 1 km away
  13. 1.837 km NNE of Amboy, Washington · 15338 days ago · 1 km deep · 1 km away
  14. 2.338 km NNE of Amboy, Washington · 15337 days ago · -2 km deep · 1 km away
  15. 1.525 km S of Morton, Washington · 15333 days ago · 8 km deep · 14 km away
  16. 1.95 km ESE of Packwood, Washington · 15332 days ago · 2 km deep · 63 km away
  17. 2.138 km NNE of Amboy, Washington · 15329 days ago · -2 km deep · 1 km away
  18. 1.529 km S of Mossyrock, Washington · 15324 days ago · 15 km deep · 21 km away
  19. 1.738 km NNE of Amboy, Washington · 15323 days ago · -2 km deep · 0 km away
  20. 2.06 km E of Ashford, Washington · 15322 days ago · 5 km deep · 64 km away
  21. 1.541 km SSE of Morton, Washington · 15321 days ago · 9 km deep · 16 km away
  22. 1.638 km NNE of Amboy, Washington · 15320 days ago · -2 km deep · 0 km away
  23. 1.537 km SSE of Morton, Washington · 15320 days ago · 9 km deep · 6 km away
  24. 2.015 km SSW of Clatskanie, Oregon · 15319 days ago · 54 km deep · 90 km away
  25. 1.538 km NNE of Amboy, Washington · 15318 days ago · -2 km deep · 0 km away
  26. 1.937 km S of Morton, Washington · 15310 days ago · 0 km deep · 3 km away
  27. 1.625 km ENE of Yacolt, Washington · 15307 days ago · 6 km deep · 26 km away
  28. 2.237 km S of Morton, Washington · 15307 days ago · 0 km deep · 2 km away
  29. 1.922 km S of Morton, Washington · 15306 days ago · 10 km deep · 18 km away
  30. 1.520 km NE of Ashford, Washington · 15303 days ago · 6 km deep · 82 km away
  31. 1.838 km NNE of Amboy, Washington · 15302 days ago · -2 km deep · 0 km away

Before

  1. 1.838 km NNE of Amboy, Washington · 15360 days ago · -2 km deep · 0 km away
  2. 1.738 km NNE of Amboy, Washington · 15360 days ago · -2 km deep · 0 km away
  3. 1.838 km NNE of Amboy, Washington · 15360 days ago · -1 km deep · 0 km away
  4. 1.538 km NNE of Amboy, Washington · 15360 days ago · -1 km deep · 0 km away
  5. 1.738 km NNE of Amboy, Washington · 15360 days ago · -1 km deep · 0 km away
  6. 1.538 km NNE of Amboy, Washington · 15360 days ago · -1 km deep · 0 km away
  7. 1.838 km NNE of Amboy, Washington · 15360 days ago · -2 km deep · 0 km away
  8. 1.837 km NNE of Amboy, Washington · 15361 days ago · 0 km deep · 1 km away
  9. 1.838 km NNE of Amboy, Washington · 15361 days ago · -2 km deep · 0 km away
  10. 1.738 km NNE of Amboy, Washington · 15361 days ago · -1 km deep · 0 km away
  11. 1.838 km NNE of Amboy, Washington · 15361 days ago · -2 km deep · 0 km away
  12. 1.738 km NNE of Amboy, Washington · 15361 days ago · -2 km deep · 0 km away
  13. 2.538 km NNE of Amboy, Washington · 15362 days ago · -2 km deep · 1 km away
  14. 1.838 km NNE of Amboy, Washington · 15363 days ago · 0 km deep · 0 km away
  15. 1.538 km NNE of Amboy, Washington · 15363 days ago · -2 km deep · 0 km away
  16. 1.538 km NNE of Amboy, Washington · 15364 days ago · -1 km deep · 0 km away
  17. 2.138 km NNE of Amboy, Washington · 15365 days ago · -1 km deep · 0 km away
  18. 1.938 km NNE of Amboy, Washington · 15365 days ago · -1 km deep · 0 km away
  19. 1.638 km NNE of Amboy, Washington · 15365 days ago · -1 km deep · 0 km away
  20. 1.9Washington · 15365 days ago · -1 km deep · 0 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10182003. Read Tue, Sep 29, 2026, 7:04 PM UTC.