Washington earthquakes

M4.0 earthquake Washington

A magnitude 4.0 earthquake struck in Washington on Mon, Apr 7, 1980, 3:51 AM PST (11:51 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M5.7 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
4.0 (md), light
Local time
UTC
1980-04-07 11:51:43 UTC
Depth
-0.6 km (-0.4 mi), shallow
Epicenter
46.205° N, 122.178° 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, 0.0 km in depth
Magnitude uncertainty
±0.03
Depth from
Operator assigned
Station coverage gap
59°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and 180 in the 30 days before it.

After

  1. 5.138 km S of Morton, Washington · 16971 days ago · 3 km deep · 1 km away
  2. 3.638 km S of Morton, Washington · 16971 days ago · 0 km deep · 1 km away
  3. 3.838 km NNE of Amboy, Washington · 16971 days ago · -1 km deep · 1 km away
  4. 2.939 km NNE of Amboy, Washington · 16971 days ago · 2 km deep · 1 km away
  5. 4.038 km NNE of Amboy, Washington · 16971 days ago · -1 km deep · 1 km away
  6. 4.139 km NNE of Amboy, Washington · 16970 days ago · -1 km deep · 1 km away
  7. 4.838 km NNE of Amboy, Washington · 16970 days ago · -1 km deep · 0 km away
  8. 3.737 km NNE of Amboy, Washington · 16970 days ago · 0 km deep · 1 km away
  9. 3.739 km NNE of Amboy, Washington · 16970 days ago · -1 km deep · 0 km away
  10. 4.138 km NNE of Amboy, Washington · 16970 days ago · -1 km deep · 1 km away
  11. 3.738 km NNE of Amboy, Washington · 16970 days ago · -1 km deep · 0 km away
  12. 3.738 km NNE of Amboy, Washington · 16970 days ago · -1 km deep · 1 km away
  13. 3.738 km NNE of Amboy, Washington · 16970 days ago · -1 km deep · 1 km away
  14. 5.138 km NNE of Amboy, Washington · 16970 days ago · -1 km deep · 1 km away
  15. 4.237 km S of Morton, Washington · 16970 days ago · -1 km deep · 2 km away
  16. 4.438 km NNE of Amboy, Washington · 16970 days ago · -1 km deep · 1 km away
  17. 3.737 km NNE of Amboy, Washington · 16970 days ago · -1 km deep · 1 km away
  18. 3.837 km NNE of Amboy, Washington · 16970 days ago · -1 km deep · 1 km away
  19. 3.838 km NNE of Amboy, Washington · 16970 days ago · -1 km deep · 1 km away
  20. 3.8Washington · 16969 days ago · -1 km deep · 0 km away
  21. 4.538 km NNE of Amboy, Washington · 16969 days ago · 1 km deep · 1 km away
  22. 4.737 km NNE of Amboy, WA · 16969 days ago · -1 km deep · 1 km away
  23. 3.838 km NNE of Amboy, Washington · 16969 days ago · 0 km deep · 0 km away
  24. 4.739 km SSE of Morton, Washington · 16969 days ago · -1 km deep · 1 km away
  25. 4.138 km NNE of Amboy, Washington · 16969 days ago · -1 km deep · 0 km away
  26. 4.839 km SSE of Morton, Washington · 16969 days ago · -1 km deep · 1 km away
  27. 4.938 km S of Morton, Washington · 16969 days ago · -1 km deep · 2 km away
  28. 3.438 km NNE of Amboy, Washington · 16968 days ago · -1 km deep · 0 km away
  29. 3.839 km SSE of Morton, Washington · 16968 days ago · -1 km deep · 1 km away
  30. 3.838 km NNE of Amboy, Washington · 16968 days ago · -1 km deep · 0 km away
  31. 3.839 km NNE of Amboy, Washington · 16968 days ago · -1 km deep · 1 km away
  32. 4.738 km NNE of Amboy, Washington · 16968 days ago · -1 km deep · 1 km away
  33. 3.738 km NNE of Amboy, Washington · 16968 days ago · -1 km deep · 1 km away
  34. 3.938 km NNE of Amboy, Washington · 16968 days ago · -1 km deep · 1 km away
  35. 4.238 km NNE of Amboy, Washington · 16968 days ago · 0 km deep · 0 km away
  36. 3.638 km NNE of Amboy, Washington · 16968 days ago · -1 km deep · 0 km away
  37. 3.738 km NNE of Amboy, Washington · 16968 days ago · -1 km deep · 0 km away
  38. 3.838 km NNE of Amboy, Washington · 16968 days ago · -1 km deep · 0 km away
  39. 3.738 km NNE of Amboy, Washington · 16968 days ago · -1 km deep · 1 km away
  40. 4.738 km S of Morton, Washington · 16967 days ago · 1 km deep · 2 km away
  41. 3.838 km NNE of Amboy, Washington · 16967 days ago · -1 km deep · 0 km away
  42. 3.639 km NNE of Amboy, Washington · 16967 days ago · -1 km deep · 1 km away
  43. 3.137 km NNE of Amboy, Washington · 16967 days ago · 1 km deep · 1 km away
  44. 4.138 km NNE of Amboy, Washington · 16967 days ago · -1 km deep · 1 km away
  45. 3.839 km NNE of Amboy, Washington · 16967 days ago · -1 km deep · 1 km away
  46. 3.837 km NNE of Amboy, Washington · 16967 days ago · -1 km deep · 2 km away
  47. 3.8Washington · 16967 days ago · -1 km deep · 1 km away
  48. 3.938 km NNE of Amboy, Washington · 16967 days ago · -1 km deep · 1 km away
  49. 3.839 km S of Morton, Washington · 16967 days ago · -1 km deep · 1 km away
  50. 4.138 km NNE of Amboy, Washington · 16967 days ago · -1 km deep · 1 km away
  51. 2.738 km NNE of Amboy, Washington · 16967 days ago · 0 km deep · 0 km away
  52. 3.734 km NNE of Amboy, Washington · 16967 days ago · 7 km deep · 4 km away
  53. 4.338 km NNE of Amboy, Washington · 16967 days ago · -1 km deep · 0 km away
  54. 1.638 km S of Morton, Washington · 16967 days ago · -1 km deep · 1 km away
  55. 4.139 km NE of Amboy, Washington · 16967 days ago · -1 km deep · 2 km away
  56. 3.638 km NNE of Amboy, Washington · 16967 days ago · 0 km deep · 1 km away
  57. 4.039 km NNE of Amboy, Washington · 16967 days ago · -1 km deep · 0 km away
  58. 3.638 km NNE of Amboy, Washington · 16967 days ago · 0 km deep · 1 km away
  59. 2.039 km NNE of Amboy, Washington · 16967 days ago · -1 km deep · 1 km away
  60. 5.039 km NNE of Amboy, Washington · 16967 days ago · -1 km deep · 1 km away

The first 60 of at least 200.

Before

  1. 4.039 km NNE of Amboy, Washington · 16971 days ago · -1 km deep · 1 km away
  2. 3.738 km NNE of Amboy, Washington · 16971 days ago · 0 km deep · 0 km away
  3. 4.039 km S of Morton, Washington · 16971 days ago · -1 km deep · 1 km away
  4. 4.839 km S of Morton, Washington · 16971 days ago · -1 km deep · 1 km away
  5. 4.037 km NE of Amboy, Washington · 16971 days ago · 2 km deep · 2 km away
  6. 3.838 km NNE of Amboy, Washington · 16972 days ago · -1 km deep · 1 km away
  7. 4.1Washington · 16972 days ago · -1 km deep · 1 km away
  8. 3.939 km S of Morton, Washington · 16972 days ago · -1 km deep · 1 km away
  9. 4.438 km NNE of Amboy, Washington · 16972 days ago · -1 km deep · 1 km away
  10. 4.038 km NNE of Amboy, Washington · 16972 days ago · -1 km deep · 0 km away
  11. 3.738 km NNE of Amboy, Washington · 16972 days ago · -1 km deep · 0 km away
  12. 4.137 km NNE of Amboy, Washington · 16972 days ago · -1 km deep · 1 km away
  13. 4.039 km SSE of Morton, Washington · 16972 days ago · -1 km deep · 1 km away
  14. 3.938 km NNE of Amboy, Washington · 16972 days ago · 0 km deep · 1 km away
  15. 3.238 km NNE of Amboy, Washington · 16972 days ago · 1 km deep · 1 km away
  16. 5.138 km NNE of Amboy, Washington · 16972 days ago · -1 km deep · 1 km away
  17. 3.938 km NNE of Amboy, Washington · 16972 days ago · -1 km deep · 1 km away
  18. 3.939 km S of Morton, Washington · 16973 days ago · -1 km deep · 1 km away
  19. 4.738 km S of Morton, Washington · 16973 days ago · 1 km deep · 2 km away
  20. 4.538 km NNE of Amboy, Washington · 16973 days ago · 1 km deep · 2 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10077433. Read Thu, Sep 24, 2026, 3:35 PM UTC.