Washington earthquakes

M1.8 earthquake 38 km NNE of Amboy, Washington

A magnitude 1.8 earthquake struck 38 km NNE of Amboy, Washington on Fri, Mar 30, 1984, 4:49 PM PST (00:49 UTC), -2 km (-1 mi) below the surface.

A larger quake followed: M2.4 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
1984-03-31 00:49:00 UTC
Depth
-1.6 km (-1.0 mi), shallow
Epicenter
46.206° N, 122.185° 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, 0.8 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
89°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 49 in the 60 days after this one and 143 in the 30 days before it.

After

  1. 1.838 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  2. 2.438 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  3. 2.038 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  4. 2.338 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  5. 2.036 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 2 km away
  6. 2.238 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  7. 1.938 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  8. 2.438 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  9. 1.938 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  10. 2.438 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  11. 2.338 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  12. 1.938 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  13. 2.438 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  14. 2.037 km NNE of Amboy, Washington · 15515 days ago · -1 km deep · 1 km away
  15. 1.838 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  16. 2.038 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  17. 1.838 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  18. 1.638 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  19. 1.738 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  20. 2.238 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 1 km away
  21. 1.838 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  22. 1.838 km NNE of Amboy, Washington · 15515 days ago · -1 km deep · 0 km away
  23. 1.838 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  24. 1.738 km NNE of Amboy, Washington · 15515 days ago · -2 km deep · 0 km away
  25. 2.238 km NNE of Amboy, Washington · 15514 days ago · -2 km deep · 0 km away
  26. 2.238 km NNE of Amboy, Washington · 15514 days ago · -2 km deep · 0 km away
  27. 2.238 km NNE of Amboy, Washington · 15514 days ago · -2 km deep · 0 km away
  28. 2.421 km S of Morton, Washington · 15512 days ago · 8 km deep · 18 km away
  29. 1.938 km NNE of Amboy, Washington · 15508 days ago · -1 km deep · 0 km away
  30. 3.312 km WSW of La Grande, Washington · 15507 days ago · 66 km deep · 70 km away
  31. 2.016 km SE of Carbonado, Washington · 15507 days ago · 7 km deep · 87 km away
  32. 1.89 km SSE of Onalaska, Washington · 15507 days ago · 17 km deep · 50 km away
  33. 2.038 km NNE of Amboy, Washington · 15507 days ago · 0 km deep · 0 km away
  34. 1.85 km SSE of Carbonado, Washington · 15506 days ago · 4 km deep · 93 km away
  35. 1.713 km N of Skamokawa Valley, Washington · 15491 days ago · 10 km deep · 95 km away
  36. 1.88 km E of Ashford, Washington · 15484 days ago · 13 km deep · 65 km away
  37. 2.012 km S of Morton, Washington · 15480 days ago · 7 km deep · 28 km away
  38. 1.738 km NNE of Amboy, Washington · 15475 days ago · 0 km deep · 0 km away
  39. 1.738 km NNE of Amboy, Washington · 15474 days ago · -1 km deep · 0 km away
  40. 1.538 km NNE of Amboy, Washington · 15472 days ago · -2 km deep · 0 km away
  41. 2.037 km NNE of Amboy, Washington · 15471 days ago · -2 km deep · 1 km away
  42. 1.838 km NNE of Amboy, Washington · 15471 days ago · -1 km deep · 0 km away
  43. 1.5Washington · 15471 days ago · -1 km deep · 0 km away
  44. 2.314 km SE of Ashford, Washington · 15471 days ago · 7 km deep · 56 km away
  45. 1.538 km NNE of Amboy, Washington · 15470 days ago · -1 km deep · 2 km away
  46. 1.838 km NNE of Amboy, Washington · 15467 days ago · -1 km deep · 1 km away
  47. 1.710 km E of Eatonville, Washington · 15467 days ago · 5 km deep · 75 km away
  48. 1.711 km ENE of Prescott, Oregon · 15459 days ago · 19 km deep · 45 km away
  49. 1.613 km ESE of Yacolt, Washington · 15458 days ago · 11 km deep · 41 km away

Before

  1. 2.138 km NNE of Amboy, Washington · 15516 days ago · -1 km deep · 0 km away
  2. 2.138 km NNE of Amboy, Washington · 15516 days ago · -1 km deep · 0 km away
  3. 2.238 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  4. 1.838 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  5. 2.039 km S of Morton, Washington · 15516 days ago · -2 km deep · 1 km away
  6. 1.738 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  7. 1.638 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  8. 1.838 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  9. 1.938 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  10. 1.738 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  11. 2.238 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  12. 1.538 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  13. 1.938 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  14. 1.938 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 1 km away
  15. 2.038 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  16. 1.738 km NNE of Amboy, Washington · 15516 days ago · -2 km deep · 0 km away
  17. 2.238 km NNE of Amboy, Washington · 15516 days ago · -1 km deep · 0 km away
  18. 1.738 km NNE of Amboy, Washington · 15516 days ago · -1 km deep · 1 km away
  19. 1.738 km NNE of Amboy, Washington · 15517 days ago · -2 km deep · 0 km away
  20. 1.838 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 uw10183593. Read Tue, Sep 22, 2026, 9:42 PM UTC.