Washington earthquakes

M2.0 earthquake 26 km S of Morton, Washington

A magnitude 2.0 earthquake struck 26 km S of Morton, Washington on Tue, Nov 1, 1983, 12:18 PM PST (20:18 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M2.4 20 km E of Packwood, Washington. This one was a foreshock.

Morton 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
2.0 (md), micro
Local time
UTC
1983-11-01 20:18:32 UTC
Depth
8.9 km (5.5 mi), shallow
Epicenter
46.321° N, 122.271° 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 0.7 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
47°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 34 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.611 km WNW of Warren, Oregon · 15663 days ago · 15 km deep · 75 km away
  2. 2.420 km E of Packwood, Washington · 15662 days ago · -1 km deep · 74 km away
  3. 1.737 km NNE of Amboy, Washington · 15658 days ago · 0 km deep · 15 km away
  4. 1.522 km S of Morton, Washington · 15653 days ago · 10 km deep · 4 km away
  5. 2.922 km NE of Ashford, Washington · 15652 days ago · -1 km deep · 72 km away
  6. 2.138 km NNE of Amboy, Washington · 15650 days ago · -2 km deep · 14 km away
  7. 2.138 km S of Morton, Washington · 15648 days ago · -2 km deep · 13 km away
  8. 1.838 km NNE of Amboy, Washington · 15645 days ago · -2 km deep · 14 km away
  9. 1.838 km NNE of Amboy, Washington · 15645 days ago · 1 km deep · 14 km away
  10. 1.638 km NNE of Amboy, Washington · 15645 days ago · -2 km deep · 14 km away
  11. 1.835 km S of Morton, Washington · 15644 days ago · -2 km deep · 10 km away
  12. 1.8Washington · 15640 days ago · -2 km deep · 15 km away
  13. 1.838 km NNE of Amboy, Washington · 15639 days ago · -2 km deep · 15 km away
  14. 1.638 km NNE of Amboy, Washington · 15639 days ago · -2 km deep · 14 km away
  15. 1.638 km NNE of Amboy, Washington · 15638 days ago · -2 km deep · 14 km away
  16. 1.937 km NNE of Amboy, Washington · 15638 days ago · -2 km deep · 15 km away
  17. 2.038 km NNE of Amboy, Washington · 15638 days ago · -2 km deep · 15 km away
  18. 1.738 km NNE of Amboy, Washington · 15632 days ago · -2 km deep · 14 km away
  19. 1.538 km NNE of Amboy, Washington · 15627 days ago · -1 km deep · 14 km away
  20. 1.826 km S of Morton, Washington · 15624 days ago · 8 km deep · 3 km away
  21. 1.838 km NNE of Amboy, Washington · 15623 days ago · -2 km deep · 15 km away
  22. 1.537 km NNE of Amboy, Washington · 15623 days ago · -2 km deep · 15 km away
  23. 2.038 km NNE of Amboy, Washington · 15623 days ago · -2 km deep · 14 km away
  24. 1.938 km NNE of Amboy, Washington · 15623 days ago · -2 km deep · 14 km away
  25. 1.537 km NNE of Amboy, Washington · 15620 days ago · -1 km deep · 15 km away
  26. 1.538 km NNE of Amboy, Washington · 15619 days ago · -1 km deep · 14 km away
  27. 1.934 km NE of Amboy, Washington · 15619 days ago · 9 km deep · 27 km away
  28. 2.138 km NNE of Amboy, Washington · 15617 days ago · -2 km deep · 14 km away
  29. 1.538 km NNE of Amboy, Washington · 15615 days ago · -2 km deep · 14 km away
  30. 1.739 km NNE of Amboy, Washington · 15615 days ago · -2 km deep · 14 km away
  31. 2.239 km S of Morton, Washington · 15614 days ago · -1 km deep · 14 km away
  32. 1.937 km NNE of Amboy, Washington · 15610 days ago · -2 km deep · 15 km away
  33. 3.020 km E of Castle Rock, Washington · 15608 days ago · 13 km deep · 30 km away
  34. 2.620 km SSE of Mossyrock, Washington · 15607 days ago · 7 km deep · 11 km away

Before

  1. 2.112 km WNW of Amboy, Washington · 15666 days ago · 11 km deep · 47 km away
  2. 1.538 km NNE of Amboy, Washington · 15667 days ago · 0 km deep · 15 km away
  3. 2.212 km NNE of La Center, Washington · 15667 days ago · 11 km deep · 47 km away
  4. 2.55 km SW of Morton, Washington · 15674 days ago · 16 km deep · 23 km away
  5. 1.736 km NNE of Amboy, Washington · 15681 days ago · -1 km deep · 17 km away
  6. 1.520 km S of Morton, Washington · 15684 days ago · 9 km deep · 6 km away
  7. 1.637 km NNE of Amboy, Washington · 15690 days ago · -1 km deep · 14 km away
  8. 1.737 km NNE of Amboy, Washington · 15691 days ago · -1 km deep · 15 km away
  9. 1.917 km SE of Carbonado, Washington · 15691 days ago · -1 km deep · 75 km away
  10. 1.914 km SW of Alder, Washington · 15695 days ago · -1 km deep · 45 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10165118. Read Tue, Sep 22, 2026, 10:00 AM UTC.