Washington earthquakes

M1.8 earthquake 6 km S of Onalaska, Washington

A magnitude 1.8 earthquake struck 6 km S of Onalaska, Washington on Wed, May 25, 1983, 6:45 PM PDT (01:45 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M2.0 38 km NNE of Amboy, Washington. This one was a foreshock.

Onalaska 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
1983-05-26 01:45:13 UTC
Depth
21.2 km (13.2 mi), shallow
Epicenter
46.513° N, 122.727° 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 0.6 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
110°
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: 51 in the 60 days after this one and 51 in the 30 days before it.

After

  1. 2.038 km NNE of Amboy, Washington · 15827 days ago · 0 km deep · 53 km away
  2. 2.039 km NNE of Amboy, Washington · 15826 days ago · -2 km deep · 53 km away
  3. 1.538 km NNE of Amboy, Washington · 15825 days ago · -2 km deep · 54 km away
  4. 2.018 km SSW of Greenwater, Washington · 15825 days ago · 18 km deep · 92 km away
  5. 1.739 km NNE of Amboy, Washington · 15823 days ago · -2 km deep · 54 km away
  6. 1.738 km NNE of Amboy, Washington · 15823 days ago · -2 km deep · 54 km away
  7. 1.938 km NNE of Amboy, Washington · 15823 days ago · -2 km deep · 53 km away
  8. 2.437 km NNE of Amboy, Washington · 15823 days ago · -2 km deep · 53 km away
  9. 1.734 km SSE of Morton, Washington · 15822 days ago · 0 km deep · 50 km away
  10. 2.138 km NNE of Amboy, Washington · 15822 days ago · -1 km deep · 54 km away
  11. 1.636 km NNE of Amboy, Washington · 15822 days ago · -2 km deep · 54 km away
  12. 2.238 km NNE of Amboy, Washington · 15822 days ago · -2 km deep · 53 km away
  13. 1.838 km NNE of Amboy, Washington · 15820 days ago · -1 km deep · 54 km away
  14. 2.44 km N of Dash Point, Washington · 15820 days ago · 19 km deep · 97 km away
  15. 1.838 km NNE of Amboy, Washington · 15818 days ago · -2 km deep · 54 km away
  16. 1.738 km NNE of Amboy, Washington · 15818 days ago · -2 km deep · 53 km away
  17. 1.539 km NNE of Amboy, Washington · 15817 days ago · -2 km deep · 54 km away
  18. 2.37 km S of Onalaska, Washington · 15816 days ago · 23 km deep · 1 km away
  19. 2.138 km NNE of Amboy, Washington · 15812 days ago · -2 km deep · 54 km away
  20. 2.039 km NNE of Amboy, Washington · 15811 days ago · -2 km deep · 53 km away
  21. 1.724 km S of Morton, Washington · 15810 days ago · 9 km deep · 42 km away
  22. 1.638 km NNE of Amboy, Washington · 15810 days ago · -2 km deep · 53 km away
  23. 1.62 km ESE of Dash Point, Washington · 15810 days ago · 6 km deep · 92 km away
  24. 1.938 km S of Morton, Washington · 15810 days ago · -2 km deep · 52 km away
  25. 1.738 km NNE of Amboy, Washington · 15810 days ago · -2 km deep · 54 km away
  26. 1.739 km NNE of Amboy, Washington · 15810 days ago · -2 km deep · 53 km away
  27. 2.238 km NNE of Amboy, Washington · 15810 days ago · -1 km deep · 53 km away
  28. 1.638 km NNE of Amboy, Washington · 15810 days ago · -2 km deep · 53 km away
  29. 1.76 km ESE of Wilkeson, Washington · 15809 days ago · 12 km deep · 86 km away
  30. 1.538 km NNE of Amboy, Washington · 15809 days ago · -2 km deep · 53 km away
  31. 1.639 km NNE of Amboy, Washington · 15808 days ago · -1 km deep · 53 km away
  32. 1.739 km NNE of Amboy, Washington · 15807 days ago · -2 km deep · 54 km away
  33. 1.638 km NNE of Amboy, Washington · 15807 days ago · 0 km deep · 54 km away
  34. 1.738 km NNE of Amboy, Washington · 15801 days ago · -2 km deep · 54 km away
  35. 1.616 km SW of Alder, Washington · 15800 days ago · -1 km deep · 30 km away
  36. 2.117 km S of Morton, Washington · 15798 days ago · 1 km deep · 37 km away
  37. 2.038 km NNE of Amboy, Washington · 15797 days ago · -1 km deep · 54 km away
  38. 1.832 km SSW of Packwood, Washington · 15795 days ago · 11 km deep · 68 km away
  39. 2.137 km NNE of Amboy, Washington · 15795 days ago · -1 km deep · 55 km away
  40. 1.838 km NNE of Amboy, Washington · 15795 days ago · -2 km deep · 54 km away
  41. 1.538 km NNE of Amboy, Washington · 15792 days ago · 0 km deep · 54 km away
  42. 2.138 km NNE of Amboy, Washington · 15787 days ago · -2 km deep · 53 km away
  43. 1.738 km NNE of Amboy, Washington · 15787 days ago · -2 km deep · 53 km away
  44. 1.739 km NNE of Amboy, Washington · 15787 days ago · 0 km deep · 54 km away
  45. 1.838 km S of Morton, Washington · 15785 days ago · -2 km deep · 53 km away
  46. 2.45 km ENE of Chehalis, Washington · 15785 days ago · 52 km deep · 23 km away
  47. 1.638 km NNE of Amboy, Washington · 15783 days ago · -2 km deep · 54 km away
  48. 1.72 km SSE of Browns Point, Washington · 15781 days ago · 3 km deep · 88 km away
  49. 1.538 km NNE of Amboy, Washington · 15779 days ago · -2 km deep · 53 km away
  50. 1.612 km SSW of Packwood, Washington · 15774 days ago · 1 km deep · 76 km away
  51. 1.838 km NNE of Amboy, Washington · 15771 days ago · -2 km deep · 54 km away

Before

  1. 2.037 km NNE of Amboy, Washington · 15827 days ago · -1 km deep · 54 km away
  2. 2.238 km NNE of Amboy, Washington · 15827 days ago · -2 km deep · 54 km away
  3. 1.738 km NNE of Amboy, Washington · 15829 days ago · -2 km deep · 53 km away
  4. 1.738 km NNE of Amboy, Washington · 15829 days ago · 0 km deep · 54 km away
  5. 1.638 km NNE of Amboy, Washington · 15829 days ago · 0 km deep · 54 km away
  6. 1.938 km NNE of Amboy, Washington · 15831 days ago · 0 km deep · 53 km away
  7. 1.928 km SSE of Mossyrock, Washington · 15831 days ago · 8 km deep · 40 km away
  8. 2.239 km NNE of Amboy, Washington · 15832 days ago · -2 km deep · 54 km away
  9. 1.937 km NNE of Amboy, Washington · 15833 days ago · -2 km deep · 53 km away
  10. 1.638 km S of Morton, Washington · 15833 days ago · -2 km deep · 53 km away
  11. 2.038 km S of Morton, Washington · 15833 days ago · -2 km deep · 53 km away
  12. 1.938 km NNE of Amboy, Washington · 15833 days ago · -2 km deep · 54 km away
  13. 2.01 km E of Deer Island, Oregon · 15833 days ago · 3 km deep · 65 km away
  14. 1.522 km S of Morton, Washington · 15833 days ago · 8 km deep · 41 km away
  15. 1.938 km NNE of Amboy, Washington · 15833 days ago · -2 km deep · 54 km away
  16. 1.538 km NNE of Amboy, Washington · 15833 days ago · -2 km deep · 53 km away
  17. 2.137 km NNE of Amboy, Washington · 15834 days ago · 0 km deep · 55 km away
  18. 2.238 km NNE of Amboy, Washington · 15834 days ago · -2 km deep · 54 km away
  19. 1.737 km NNE of Amboy, Washington · 15835 days ago · -2 km deep · 54 km away
  20. 2.137 km NNE of Amboy, Washington · 15835 days ago · -2 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10168023. Read Wed, Sep 23, 2026, 6:15 PM UTC.