Washington earthquakes

M1.8 earthquake 38 km NNE of Amboy, Washington

A magnitude 1.8 earthquake struck 38 km NNE of Amboy, Washington on Tue, Nov 22, 1983, 11:48 AM PST (19:48 UTC), 1 km (0 mi) below the surface.

A larger quake followed: M1.9 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), micro
Local time
UTC
1983-11-22 19:48:43 UTC
Depth
0.7 km (0.4 mi), shallow
Epicenter
46.208° 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 0.8 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
185°, poorly surrounded by stations
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: 31 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 1.638 km NNE of Amboy, Washington · 15645 days ago · -2 km deep · 1 km away
  2. 1.835 km S of Morton, Washington · 15644 days ago · -2 km deep · 5 km away
  3. 1.8Washington · 15640 days ago · -2 km deep · 1 km away
  4. 1.838 km NNE of Amboy, Washington · 15639 days ago · -2 km deep · 1 km away
  5. 1.638 km NNE of Amboy, Washington · 15639 days ago · -2 km deep · 1 km away
  6. 1.638 km NNE of Amboy, Washington · 15639 days ago · -2 km deep · 1 km away
  7. 1.937 km NNE of Amboy, Washington · 15638 days ago · -2 km deep · 1 km away
  8. 2.038 km NNE of Amboy, Washington · 15638 days ago · -2 km deep · 1 km away
  9. 1.738 km NNE of Amboy, Washington · 15632 days ago · -2 km deep · 1 km away
  10. 1.538 km NNE of Amboy, Washington · 15628 days ago · -1 km deep · 1 km away
  11. 1.826 km S of Morton, Washington · 15625 days ago · 8 km deep · 13 km away
  12. 1.838 km NNE of Amboy, Washington · 15624 days ago · -2 km deep · 1 km away
  13. 1.537 km NNE of Amboy, Washington · 15624 days ago · -2 km deep · 1 km away
  14. 2.038 km NNE of Amboy, Washington · 15624 days ago · -2 km deep · 1 km away
  15. 1.938 km NNE of Amboy, Washington · 15623 days ago · -2 km deep · 1 km away
  16. 1.537 km NNE of Amboy, Washington · 15620 days ago · -1 km deep · 1 km away
  17. 1.538 km NNE of Amboy, Washington · 15620 days ago · -1 km deep · 1 km away
  18. 1.934 km NE of Amboy, Washington · 15619 days ago · 9 km deep · 13 km away
  19. 2.138 km NNE of Amboy, Washington · 15617 days ago · -2 km deep · 1 km away
  20. 1.538 km NNE of Amboy, Washington · 15616 days ago · -2 km deep · 1 km away
  21. 1.739 km NNE of Amboy, Washington · 15615 days ago · -2 km deep · 1 km away
  22. 2.239 km S of Morton, Washington · 15614 days ago · -1 km deep · 1 km away
  23. 1.937 km NNE of Amboy, Washington · 15610 days ago · -2 km deep · 1 km away
  24. 3.020 km E of Castle Rock, Washington · 15608 days ago · 13 km deep · 35 km away
  25. 2.620 km SSE of Mossyrock, Washington · 15607 days ago · 7 km deep · 23 km away
  26. 2.010 km SSW of Morton, Washington · 15598 days ago · 8 km deep · 30 km away
  27. 2.230 km N of Packwood, Washington · 15595 days ago · 5 km deep · 87 km away
  28. 1.723 km S of Morton, Washington · 15595 days ago · 5 km deep · 16 km away
  29. 1.838 km NNE of Amboy, Washington · 15591 days ago · -1 km deep · 1 km away
  30. 2.013 km NNE of Ashford, Washington · 15590 days ago · 7 km deep · 76 km away
  31. 2.013 km SE of Carbonado, Washington · 15588 days ago · 17 km deep · 92 km away

Before

  1. 1.838 km NNE of Amboy, Washington · 15645 days ago · -2 km deep · 1 km away
  2. 2.138 km S of Morton, Washington · 15648 days ago · -2 km deep · 1 km away
  3. 2.138 km NNE of Amboy, Washington · 15650 days ago · -2 km deep · 1 km away
  4. 2.922 km NE of Ashford, Washington · 15652 days ago · -1 km deep · 81 km away
  5. 1.522 km S of Morton, Washington · 15653 days ago · 10 km deep · 17 km away
  6. 1.737 km NNE of Amboy, Washington · 15658 days ago · 0 km deep · 1 km away
  7. 2.420 km E of Packwood, Washington · 15662 days ago · -1 km deep · 75 km away
  8. 1.611 km WNW of Warren, Oregon · 15663 days ago · 15 km deep · 72 km away
  9. 2.026 km S of Morton, Washington · 15666 days ago · 9 km deep · 14 km away
  10. 2.112 km WNW of Amboy, Washington · 15666 days ago · 11 km deep · 41 km away
  11. 1.538 km NNE of Amboy, Washington · 15667 days ago · 0 km deep · 1 km away
  12. 2.212 km NNE of La Center, Washington · 15667 days ago · 11 km deep · 41 km away
  13. 2.55 km SW of Morton, Washington · 15675 days ago · 16 km deep · 36 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10169053. Read Tue, Sep 22, 2026, 3:38 PM UTC.