Washington earthquakes

M1.9 earthquake 14 km SW of Alder, Washington

A magnitude 1.9 earthquake struck 14 km SW of Alder, Washington on Mon, Oct 3, 1983, 3:11 PM PDT (22:11 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M2.0 4 km S of Des Moines, Washington. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.9 (md), micro
Local time
UTC
1983-10-03 22:11:58 UTC
Depth
-0.7 km (-0.4 mi), shallow
Epicenter
46.715° N, 122.426° 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 0.1 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
80°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 37 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 2.04 km S of Des Moines, Washington · 15694 days ago · 13 km deep · 72 km away
  2. 3.05 km WNW of Wilderness Rim, Washington · 15693 days ago · 21 km deep · 94 km away
  3. 1.917 km SE of Carbonado, Washington · 15692 days ago · -1 km deep · 47 km away
  4. 1.737 km NNE of Amboy, Washington · 15691 days ago · -1 km deep · 60 km away
  5. 1.637 km NNE of Amboy, Washington · 15690 days ago · -1 km deep · 59 km away
  6. 1.87 km NW of Belfair, Washington · 15686 days ago · 17 km deep · 93 km away
  7. 1.520 km S of Morton, Washington · 15684 days ago · 9 km deep · 40 km away
  8. 2.310 km NNW of Belfair, Washington · 15683 days ago · 21 km deep · 97 km away
  9. 1.736 km NNE of Amboy, Washington · 15681 days ago · -1 km deep · 62 km away
  10. 1.58 km NW of Greenwater, Washington · 15681 days ago · -1 km deep · 76 km away
  11. 2.55 km SW of Morton, Washington · 15675 days ago · 16 km deep · 23 km away
  12. 2.02 km NNW of Lakeland South, Washington · 15672 days ago · 13 km deep · 66 km away
  13. 2.212 km NNE of La Center, Washington · 15667 days ago · 11 km deep · 84 km away
  14. 4.36 km W of Skokomish, Washington · 15667 days ago · 43 km deep · 93 km away
  15. 1.538 km NNE of Amboy, Washington · 15667 days ago · 0 km deep · 60 km away
  16. 2.112 km WNW of Amboy, Washington · 15666 days ago · 11 km deep · 85 km away
  17. 2.026 km S of Morton, Washington · 15666 days ago · 9 km deep · 45 km away
  18. 2.420 km E of Packwood, Washington · 15662 days ago · -1 km deep · 79 km away
  19. 1.737 km NNE of Amboy, Washington · 15658 days ago · 0 km deep · 60 km away
  20. 1.65 km NE of Mirrormont, Washington · 15655 days ago · 15 km deep · 94 km away
  21. 1.522 km S of Morton, Washington · 15653 days ago · 10 km deep · 42 km away
  22. 2.922 km NE of Ashford, Washington · 15652 days ago · -1 km deep · 52 km away
  23. 1.94 km NNW of Bryn Mawr-Skyway, Washington · 15651 days ago · 11 km deep · 91 km away
  24. 1.73 km NNW of White Center, Washington · 15650 days ago · 21 km deep · 92 km away
  25. 2.138 km NNE of Amboy, Washington · 15650 days ago · -2 km deep · 59 km away
  26. 2.138 km S of Morton, Washington · 15648 days ago · -2 km deep · 59 km away
  27. 1.838 km NNE of Amboy, Washington · 15645 days ago · -2 km deep · 59 km away
  28. 1.838 km NNE of Amboy, Washington · 15645 days ago · 1 km deep · 59 km away
  29. 1.638 km NNE of Amboy, Washington · 15645 days ago · -2 km deep · 60 km away
  30. 1.835 km S of Morton, Washington · 15644 days ago · -2 km deep · 55 km away
  31. 1.8Washington · 15640 days ago · -2 km deep · 60 km away
  32. 2.36 km SE of Black Diamond, Washington · 15640 days ago · 14 km deep · 71 km away
  33. 1.838 km NNE of Amboy, Washington · 15639 days ago · -2 km deep · 60 km away
  34. 1.638 km NNE of Amboy, Washington · 15639 days ago · -2 km deep · 60 km away
  35. 1.638 km NNE of Amboy, Washington · 15639 days ago · -2 km deep · 59 km away
  36. 1.937 km NNE of Amboy, Washington · 15638 days ago · -2 km deep · 60 km away
  37. 2.038 km NNE of Amboy, Washington · 15638 days ago · -2 km deep · 60 km away

Before

  1. 2.219 km S of Morton, Washington · 15696 days ago · 8 km deep · 39 km away
  2. 1.99 km SE of Riverbend, Washington · 15697 days ago · 2 km deep · 98 km away
  3. 1.638 km NNE of Amboy, Washington · 15698 days ago · -1 km deep · 60 km away
  4. 1.61 km N of Normandy Park, Washington · 15699 days ago · 17 km deep · 82 km away
  5. 2.72 km W of Rosedale, Washington · 15699 days ago · 27 km deep · 72 km away
  6. 1.625 km SSE of Packwood, Washington · 15701 days ago · 0 km deep · 78 km away
  7. 2.125 km SSE of Packwood, Washington · 15702 days ago · 0 km deep · 78 km away
  8. 2.025 km SSE of Packwood, Washington · 15704 days ago · -1 km deep · 78 km away
  9. 1.638 km NNE of Amboy, Washington · 15709 days ago · -1 km deep · 60 km away
  10. 2.310 km SE of Mossyrock, Washington · 15713 days ago · 14 km deep · 28 km away
  11. 2.211 km ESE of Carbonado, Washington · 15714 days ago · 18 km deep · 54 km away
  12. 1.823 km ESE of Packwood, Washington · 15717 days ago · -1 km deep · 82 km away
  13. 2.238 km S of Morton, Washington · 15717 days ago · -1 km deep · 59 km away
  14. 1.95 km WNW of Tumwater, Washington · 15722 days ago · -1 km deep · 54 km away
  15. 2.227 km S of Greenwater, Washington · 15724 days ago · -1 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10165288. Read Tue, Sep 22, 2026, 2:56 PM UTC.