Washington earthquakes

M1.5 earthquake 38 km NNE of Amboy, Washington

A magnitude 1.5 earthquake struck 38 km NNE of Amboy, Washington on Thu, Aug 28, 1986, 10:56 PM PDT (05:56 UTC), -2 km (-1 mi) below the surface.

A larger quake followed: M1.6 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
1.5 (md), micro
Local time
UTC
1986-08-29 05:56:08 UTC
Depth
-1.7 km (-1.0 mi), shallow
Epicenter
46.203° N, 122.188° 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 0.0 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
60°
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: 192 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 1.637 km NNE of Amboy, Washington · 14625 days ago · -2 km deep · 0 km away
  2. 1.738 km NNE of Amboy, Washington · 14624 days ago · -2 km deep · 0 km away
  3. 1.538 km NNE of Amboy, Washington · 14623 days ago · -2 km deep · 0 km away
  4. 2.138 km NNE of Amboy, Washington · 14623 days ago · -2 km deep · 0 km away
  5. 1.537 km NNE of Amboy, Washington · 14622 days ago · -2 km deep · 0 km away
  6. 2.137 km NNE of Amboy, Washington · 14621 days ago · -2 km deep · 1 km away
  7. 1.938 km NNE of Amboy, Washington · 14619 days ago · -1 km deep · 0 km away
  8. 1.638 km NNE of Amboy, Washington · 14619 days ago · -1 km deep · 0 km away
  9. 1.938 km NNE of Amboy, Washington · 14618 days ago · -1 km deep · 0 km away
  10. 2.237 km NNE of Amboy, Washington · 14617 days ago · -2 km deep · 0 km away
  11. 1.7Washington · 14602 days ago · -1 km deep · 0 km away
  12. 2.137 km NNE of Amboy, Washington · 14602 days ago · -1 km deep · 0 km away
  13. 2.138 km NNE of Amboy, Washington · 14601 days ago · -2 km deep · 0 km away
  14. 1.938 km NNE of Amboy, Washington · 14597 days ago · -1 km deep · 0 km away
  15. 1.738 km NNE of Amboy, Washington · 14597 days ago · -1 km deep · 0 km away
  16. 1.638 km NNE of Amboy, Washington · 14597 days ago · -2 km deep · 0 km away
  17. 1.638 km NNE of Amboy, Washington · 14597 days ago · -2 km deep · 0 km away
  18. 1.638 km NNE of Amboy, Washington · 14597 days ago · -1 km deep · 0 km away
  19. 1.738 km NNE of Amboy, Washington · 14597 days ago · -1 km deep · 0 km away
  20. 1.838 km NNE of Amboy, Washington · 14597 days ago · -1 km deep · 0 km away
  21. 1.738 km NNE of Amboy, Washington · 14597 days ago · -1 km deep · 0 km away
  22. 2.238 km NNE of Amboy, Washington · 14597 days ago · -1 km deep · 0 km away
  23. 2.638 km NNE of Amboy, Washington · 14596 days ago · -1 km deep · 0 km away
  24. 2.138 km NNE of Amboy, Washington · 14596 days ago · -1 km deep · 0 km away
  25. 2.338 km NNE of Amboy, Washington · 14596 days ago · -1 km deep · 0 km away
  26. 1.638 km NNE of Amboy, Washington · 14592 days ago · -1 km deep · 0 km away
  27. 1.637 km NNE of Amboy, Washington · 14592 days ago · -2 km deep · 0 km away
  28. 1.938 km NNE of Amboy, Washington · 14591 days ago · -2 km deep · 0 km away
  29. 1.838 km NNE of Amboy, Washington · 14590 days ago · -1 km deep · 0 km away
  30. 2.238 km NNE of Amboy, Washington · 14590 days ago · -1 km deep · 0 km away
  31. 3.517 km ESE of Toledo, Washington · 14590 days ago · 68 km deep · 39 km away
  32. 1.738 km NNE of Amboy, Washington · 14589 days ago · -1 km deep · 0 km away
  33. 1.738 km NNE of Amboy, Washington · 14589 days ago · -1 km deep · 0 km away
  34. 1.637 km NNE of Amboy, Washington · 14588 days ago · -2 km deep · 0 km away
  35. 1.738 km NNE of Amboy, Washington · 14587 days ago · -1 km deep · 0 km away
  36. 2.238 km NNE of Amboy, Washington · 14587 days ago · -1 km deep · 0 km away
  37. 2.437 km NNE of Amboy, Washington · 14587 days ago · -1 km deep · 0 km away
  38. 1.537 km NNE of Amboy, Washington · 14586 days ago · -1 km deep · 0 km away
  39. 1.538 km NNE of Amboy, Washington · 14586 days ago · -1 km deep · 0 km away
  40. 1.638 km NNE of Amboy, Washington · 14586 days ago · -1 km deep · 0 km away
  41. 1.938 km NNE of Amboy, Washington · 14586 days ago · 1 km deep · 0 km away
  42. 1.738 km NNE of Amboy, Washington · 14586 days ago · -2 km deep · 0 km away
  43. 2.537 km NNE of Amboy, Washington · 14585 days ago · 0 km deep · 0 km away
  44. 1.538 km NNE of Amboy, Washington · 14585 days ago · 0 km deep · 0 km away
  45. 1.538 km NNE of Amboy, Washington · 14585 days ago · 0 km deep · 0 km away
  46. 2.237 km NNE of Amboy, Washington · 14585 days ago · 0 km deep · 1 km away
  47. 1.838 km NNE of Amboy, Washington · 14585 days ago · -1 km deep · 0 km away
  48. 1.538 km NNE of Amboy, Washington · 14584 days ago · 0 km deep · 0 km away
  49. 2.138 km NNE of Amboy, Washington · 14584 days ago · 0 km deep · 0 km away
  50. 1.737 km NNE of Amboy, Washington · 14584 days ago · 0 km deep · 0 km away
  51. 1.538 km NNE of Amboy, Washington · 14584 days ago · 0 km deep · 0 km away
  52. 1.538 km NNE of Amboy, Washington · 14584 days ago · -2 km deep · 0 km away
  53. 1.537 km NNE of Amboy, Washington · 14584 days ago · 0 km deep · 1 km away
  54. 1.538 km NNE of Amboy, Washington · 14584 days ago · -1 km deep · 0 km away
  55. 1.538 km NNE of Amboy, Washington · 14584 days ago · -1 km deep · 0 km away
  56. 1.638 km NNE of Amboy, Washington · 14584 days ago · 0 km deep · 0 km away
  57. 2.538 km NNE of Amboy, Washington · 14583 days ago · -1 km deep · 0 km away
  58. 1.638 km NNE of Amboy, Washington · 14583 days ago · 0 km deep · 0 km away
  59. 2.738 km NNE of Amboy, Washington · 14583 days ago · 0 km deep · 0 km away
  60. 2.938 km NNE of Amboy, Washington · 14583 days ago · -1 km deep · 0 km away

The first 60 of 192.

Before

  1. 2.714 km NNW of Carson, Washington · 14635 days ago · 8 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10212883. Read Tue, Sep 22, 2026, 11:13 AM UTC.