Washington earthquakes

M1.8 earthquake 38 km NNE of Amboy, Washington

A magnitude 1.8 earthquake struck 38 km NNE of Amboy, Washington on Wed, Mar 28, 1984, 9:26 PM PST (05:26 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M1.9 38 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
1.8 (md), micro
Local time
UTC
1984-03-29 05:26:45 UTC
Depth
-1.1 km (-0.7 mi), shallow
Epicenter
46.206° N, 122.189° 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 0.5 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
90°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 88 in the 60 days after this one and 104 in the 30 days before it.

After

  1. 1.938 km NNE of Amboy, Washington · 15517 days ago · -1 km deep · 0 km away
  2. 1.938 km NNE of Amboy, Washington · 15517 days ago · -2 km deep · 0 km away
  3. 1.9Washington · 15517 days ago · -1 km deep · 0 km away
  4. 1.538 km NNE of Amboy, Washington · 15517 days ago · -2 km deep · 0 km away
  5. 1.538 km NNE of Amboy, Washington · 15517 days ago · -2 km deep · 0 km away
  6. 1.838 km NNE of Amboy, Washington · 15517 days ago · -2 km deep · 0 km away
  7. 1.738 km NNE of Amboy, Washington · 15517 days ago · -1 km deep · 0 km away
  8. 1.938 km NNE of Amboy, Washington · 15517 days ago · -1 km deep · 0 km away
  9. 1.638 km NNE of Amboy, Washington · 15517 days ago · -1 km deep · 0 km away
  10. 1.738 km NNE of Amboy, Washington · 15517 days ago · -1 km deep · 0 km away
  11. 1.738 km NNE of Amboy, Washington · 15517 days ago · -2 km deep · 1 km away
  12. 2.138 km NNE of Amboy, Washington · 15517 days ago · -2 km deep · 1 km away
  13. 1.714 km SSW of Alder, Washington · 15516 days ago · 4 km deep · 56 km away
  14. 1.638 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  15. 1.638 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  16. 1.939 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 1 km away
  17. 1.738 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 1 km away
  18. 1.939 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 1 km away
  19. 1.838 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  20. 1.738 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  21. 1.738 km NNE of Amboy, Washington · 15516 days ago · -1 km deep · 0 km away
  22. 2.238 km NNE of Amboy, Washington · 15516 days ago · -1 km deep · 0 km away
  23. 1.738 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  24. 2.038 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  25. 1.938 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  26. 1.938 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  27. 1.538 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  28. 2.238 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  29. 1.738 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 1 km away
  30. 1.938 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  31. 1.838 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  32. 1.638 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  33. 1.738 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  34. 2.039 km S of Morton, Washington · 15515 days ago · -2 km deep · 1 km away
  35. 1.838 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  36. 2.238 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  37. 2.138 km NNE of Amboy, Washington · 15515 days ago · -1 km deep · 0 km away
  38. 2.138 km NNE of Amboy, Washington · 15515 days ago · -1 km deep · 0 km away
  39. 1.838 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  40. 1.838 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  41. 2.438 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 1 km away
  42. 2.038 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  43. 2.338 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  44. 2.036 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 2 km away
  45. 2.238 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  46. 1.938 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  47. 2.438 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  48. 1.938 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  49. 2.438 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  50. 2.338 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  51. 1.938 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  52. 2.438 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  53. 2.037 km NNE of Amboy, Washington · 15515 days ago · -1 km deep · 1 km away
  54. 1.838 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  55. 2.038 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  56. 1.838 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 1 km away
  57. 1.638 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  58. 1.738 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  59. 2.238 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  60. 1.838 km NNE of Amboy, Washington · 15514 days ago · -2 km deep · 0 km away

The first 60 of 88.

Before

  1. 2.238 km NNE of Amboy, Washington · 15517 days ago · -1 km deep · 0 km away
  2. 1.738 km NNE of Amboy, Washington · 15517 days ago · -1 km deep · 0 km away
  3. 2.338 km S of Morton, Washington · 15517 days ago · -1 km deep · 2 km away
  4. 1.838 km NNE of Amboy, Washington · 15517 days ago · -1 km deep · 0 km away
  5. 1.938 km NNE of Amboy, Washington · 15517 days ago · -2 km deep · 0 km away
  6. 2.938 km NNE of Amboy, Washington · 15517 days ago · -1 km deep · 0 km away
  7. 1.738 km NNE of Amboy, Washington · 15517 days ago · -1 km deep · 0 km away
  8. 2.738 km NNE of Amboy, Washington · 15517 days ago · -1 km deep · 0 km away
  9. 1.538 km NNE of Amboy, Washington · 15517 days ago · -2 km deep · 0 km away
  10. 2.038 km NNE of Amboy, Washington · 15517 days ago · -1 km deep · 0 km away
  11. 2.238 km NNE of Amboy, Washington · 15517 days ago · -1 km deep · 0 km away
  12. 1.738 km NNE of Amboy, Washington · 15517 days ago · -1 km deep · 0 km away
  13. 1.738 km NNE of Amboy, Washington · 15517 days ago · -2 km deep · 0 km away
  14. 2.338 km NNE of Amboy, Washington · 15517 days ago · -1 km deep · 0 km away
  15. 1.638 km NNE of Amboy, Washington · 15517 days ago · -2 km deep · 0 km away
  16. 1.838 km NNE of Amboy, Washington · 15517 days ago · -2 km deep · 0 km away
  17. 2.238 km NNE of Amboy, Washington · 15517 days ago · -1 km deep · 0 km away
  18. 2.238 km NNE of Amboy, Washington · 15517 days ago · -1 km deep · 0 km away
  19. 1.738 km NNE of Amboy, Washington · 15517 days ago · -2 km deep · 0 km away
  20. 1.938 km NNE of Amboy, Washington · 15517 days ago · -2 km deep · 0 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10181063. Read Tue, Sep 22, 2026, 8:22 AM UTC.