Washington earthquakes

M1.9 earthquake 37 km NNE of Amboy, Washington

A magnitude 1.9 earthquake struck 37 km NNE of Amboy, Washington on Thu, Oct 23, 1986, 2:24 PM PDT (21:24 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.1 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
1.9 (md), micro
Local time
UTC
1986-10-23 21:24:38 UTC
Depth
-0.3 km (-0.2 mi), shallow
Epicenter
46.199° N, 122.195° 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 0.3 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
51°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 41 in the 60 days after this one and 148 in the 30 days before it.

After

  1. 1.737 km NNE of Amboy, Washington · 14579 days ago · -2 km deep · 0 km away
  2. 1.737 km NNE of Amboy, Washington · 14579 days ago · -1 km deep · 1 km away
  3. 2.137 km NNE of Amboy, Washington · 14579 days ago · -2 km deep · 0 km away
  4. 1.837 km NNE of Amboy, Washington · 14579 days ago · -2 km deep · 0 km away
  5. 1.537 km NNE of Amboy, Washington · 14579 days ago · -2 km deep · 0 km away
  6. 1.7Washington · 14579 days ago · -1 km deep · 1 km away
  7. 1.838 km NNE of Amboy, Washington · 14579 days ago · -2 km deep · 1 km away
  8. 1.837 km NNE of Amboy, Washington · 14578 days ago · -2 km deep · 1 km away
  9. 2.338 km NNE of Amboy, Washington · 14578 days ago · -2 km deep · 1 km away
  10. 1.638 km NNE of Amboy, Washington · 14578 days ago · -2 km deep · 1 km away
  11. 1.537 km NNE of Amboy, Washington · 14578 days ago · -2 km deep · 0 km away
  12. 2.237 km NNE of Amboy, Washington · 14578 days ago · -1 km deep · 0 km away
  13. 1.937 km NNE of Amboy, Washington · 14578 days ago · -1 km deep · 1 km away
  14. 1.737 km NNE of Amboy, Washington · 14578 days ago · -2 km deep · 0 km away
  15. 2.138 km NNE of Amboy, Washington · 14578 days ago · -2 km deep · 1 km away
  16. 1.938 km NNE of Amboy, Washington · 14578 days ago · -1 km deep · 1 km away
  17. 2.137 km NNE of Amboy, Washington · 14578 days ago · -1 km deep · 0 km away
  18. 2.038 km NNE of Amboy, Washington · 14578 days ago · -1 km deep · 1 km away
  19. 2.837 km NNE of Amboy, Washington · 14578 days ago · -1 km deep · 0 km away
  20. 1.837 km NNE of Amboy, Washington · 14578 days ago · -1 km deep · 0 km away
  21. 1.638 km NNE of Amboy, Washington · 14578 days ago · -1 km deep · 1 km away
  22. 2.637 km NNE of Amboy, Washington · 14578 days ago · -2 km deep · 1 km away
  23. 2.037 km NNE of Amboy, Washington · 14578 days ago · -1 km deep · 0 km away
  24. 1.838 km NNE of Amboy, Washington · 14578 days ago · -2 km deep · 1 km away
  25. 1.838 km NNE of Amboy, Washington · 14578 days ago · -1 km deep · 1 km away
  26. 2.438 km NNE of Amboy, Washington · 14578 days ago · -1 km deep · 1 km away
  27. 2.237 km NNE of Amboy, Washington · 14578 days ago · -1 km deep · 1 km away
  28. 2.538 km NNE of Amboy, Washington · 14578 days ago · -1 km deep · 1 km away
  29. 1.838 km NNE of Amboy, Washington · 14578 days ago · -2 km deep · 1 km away
  30. 1.538 km NNE of Amboy, Washington · 14578 days ago · -2 km deep · 1 km away
  31. 2.138 km NNE of Amboy, Washington · 14578 days ago · -2 km deep · 1 km away
  32. 1.738 km NNE of Amboy, Washington · 14578 days ago · -1 km deep · 1 km away
  33. 2.238 km NNE of Amboy, Washington · 14578 days ago · -1 km deep · 1 km away
  34. 1.87 km NNW of Pe Ell, Washington · 14578 days ago · 15 km deep · 100 km away
  35. 1.519 km W of White Swan, Washington · 14564 days ago · -1 km deep · 95 km away
  36. 1.78 km NNW of Carson, Washington · 14549 days ago · 7 km deep · 51 km away
  37. 1.641 km SSE of Morton, Washington · 14534 days ago · 5 km deep · 9 km away
  38. 1.734 km N of Amboy, WA · 14530 days ago · 6 km deep · 19 km away
  39. 1.63 km ESE of Woodland, Washington · 14528 days ago · 16 km deep · 51 km away
  40. 1.81 km NE of North Bonneville, Washington · 14523 days ago · 3 km deep · 64 km away
  41. 2.24 km SSE of Sandy, Oregon · 14519 days ago · 19 km deep · 93 km away

Before

  1. 1.537 km NNE of Amboy, Washington · 14579 days ago · -2 km deep · 0 km away
  2. 1.837 km NNE of Amboy, Washington · 14579 days ago · -1 km deep · 0 km away
  3. 1.837 km NNE of Amboy, Washington · 14579 days ago · -1 km deep · 0 km away
  4. 1.637 km NNE of Amboy, Washington · 14579 days ago · -1 km deep · 1 km away
  5. 2.337 km NNE of Amboy, Washington · 14579 days ago · 0 km deep · 0 km away
  6. 1.738 km NNE of Amboy, Washington · 14579 days ago · -2 km deep · 1 km away
  7. 1.538 km NNE of Amboy, Washington · 14579 days ago · -2 km deep · 1 km away
  8. 1.5Washington · 14579 days ago · -2 km deep · 0 km away
  9. 1.537 km NNE of Amboy, Washington · 14579 days ago · -2 km deep · 0 km away
  10. 2.537 km NNE of Amboy, Washington · 14580 days ago · 0 km deep · 0 km away
  11. 2.337 km NNE of Amboy, Washington · 14580 days ago · 0 km deep · 1 km away
  12. 2.537 km NNE of Amboy, Washington · 14580 days ago · 0 km deep · 0 km away
  13. 2.437 km NNE of Amboy, Washington · 14580 days ago · 0 km deep · 1 km away
  14. 1.737 km NNE of Amboy, Washington · 14580 days ago · 0 km deep · 0 km away
  15. 2.338 km NNE of Amboy, Washington · 14580 days ago · -2 km deep · 1 km away
  16. 2.538 km NNE of Amboy, Washington · 14580 days ago · -1 km deep · 0 km away
  17. 2.236 km NNE of Amboy, Washington · 14580 days ago · 1 km deep · 1 km away
  18. 2.837 km NNE of Amboy, Washington · 14580 days ago · 0 km deep · 1 km away
  19. 2.237 km NNE of Amboy, Washington · 14580 days ago · 0 km deep · 1 km away
  20. 2.437 km NNE of Amboy, Washington · 14580 days ago · 0 km deep · 1 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10223803. Read Tue, Sep 22, 2026, 12:15 PM UTC.