Washington earthquakes

M4.1 earthquake 34 km SSE of Morton, Washington

A magnitude 4.1 earthquake struck 34 km SSE of Morton, Washington on Wed, Mar 26, 1980, 6:47 AM PST (14:47 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M5.7 38 km NNE of Amboy, Washington. This one was a foreshock.

Morton 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
4.1 (md), light
Local time
UTC
1980-03-26 14:47:26 UTC
Depth
-1.3 km (-0.8 mi), shallow
Epicenter
46.256° N, 122.177° 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 3.0 km horizontally, 5.6 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
158°
Stations used
10

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 201 in the 60 days after this one and 78 in the 30 days before it.

After

  1. 3.434 km NE of Amboy, Washington · 16983 days ago · -1 km deep · 13 km away
  2. 3.125 km SSE of Morton, Washington · 16983 days ago · -1 km deep · 14 km away
  3. 3.431 km NE of Amboy, Washington · 16983 days ago · -2 km deep · 14 km away
  4. 3.534 km NE of Amboy, Washington · 16983 days ago · 23 km deep · 14 km away
  5. 3.739 km NNE of Amboy, Washington · 16983 days ago · 5 km deep · 6 km away
  6. 2.835 km NE of Amboy, Washington · 16983 days ago · -1 km deep · 10 km away
  7. 3.837 km NE of Amboy, Washington · 16983 days ago · -1 km deep · 7 km away
  8. 2.732 km NNE of Amboy, Washington · 16983 days ago · -1 km deep · 12 km away
  9. 4.436 km NNE of Amboy, Washington · 16983 days ago · 2 km deep · 7 km away
  10. 3.234 km NE of Amboy, Washington · 16983 days ago · -1 km deep · 11 km away
  11. 3.134 km NNE of Amboy, Washington · 16983 days ago · 0 km deep · 9 km away
  12. 3.235 km NNE of Amboy, Washington · 16983 days ago · 0 km deep · 8 km away
  13. 4.038 km NNE of Amboy, Washington · 16983 days ago · -1 km deep · 5 km away
  14. 4.238 km S of Morton, Washington · 16982 days ago · -1 km deep · 4 km away
  15. 4.138 km NNE of Amboy, Washington · 16982 days ago · -1 km deep · 5 km away
  16. 4.037 km NNE of Amboy, Washington · 16982 days ago · 3 km deep · 7 km away
  17. 3.938 km NNE of Amboy, Washington · 16982 days ago · -1 km deep · 6 km away
  18. 4.336 km NNE of Amboy, Washington · 16982 days ago · -1 km deep · 7 km away
  19. 4.038 km NNE of Amboy, Washington · 16982 days ago · -1 km deep · 5 km away
  20. 3.938 km NNE of Amboy, Washington · 16982 days ago · -1 km deep · 6 km away
  21. 3.938 km NNE of Amboy, Washington · 16982 days ago · -1 km deep · 6 km away
  22. 4.338 km NNE of Amboy, Washington · 16982 days ago · -1 km deep · 6 km away
  23. 4.038 km NNE of Amboy, Washington · 16982 days ago · 0 km deep · 6 km away
  24. 4.038 km NNE of Amboy, Washington · 16982 days ago · 0 km deep · 6 km away
  25. 4.338 km NNE of Amboy, Washington · 16982 days ago · -1 km deep · 6 km away
  26. 4.738 km S of Morton, Washington · 16982 days ago · -1 km deep · 5 km away
  27. 4.338 km NNE of Amboy, Washington · 16982 days ago · 1 km deep · 6 km away
  28. 4.038 km NNE of Amboy, Washington · 16981 days ago · -1 km deep · 6 km away
  29. 4.938 km S of Morton, Washington · 16981 days ago · -1 km deep · 5 km away
  30. 4.439 km NNE of Amboy, Washington · 16981 days ago · 1 km deep · 5 km away
  31. 4.138 km NNE of Amboy, Washington · 16981 days ago · 0 km deep · 5 km away
  32. 4.037 km NNE of Amboy, Washington · 16981 days ago · -1 km deep · 6 km away
  33. 4.138 km NNE of Amboy, Washington · 16981 days ago · 2 km deep · 5 km away
  34. 3.735 km NNE of Amboy, Washington · 16981 days ago · 5 km deep · 8 km away
  35. 3.638 km S of Morton, Washington · 16981 days ago · 4 km deep · 5 km away
  36. 4.438 km NNE of Amboy, Washington · 16980 days ago · 2 km deep · 6 km away
  37. 4.438 km NNE of Amboy, Washington · 16980 days ago · 1 km deep · 6 km away
  38. 4.338 km S of Morton, Washington · 16980 days ago · -1 km deep · 5 km away
  39. 4.437 km NNE of Amboy, Washington · 16980 days ago · 2 km deep · 6 km away
  40. 4.337 km NNE of Amboy, Washington · 16980 days ago · -1 km deep · 7 km away
  41. 4.538 km NNE of Amboy, Washington · 16980 days ago · -1 km deep · 6 km away
  42. 4.439 km S of Morton, Washington · 16980 days ago · 0 km deep · 5 km away
  43. 4.038 km S of Morton, Washington · 16980 days ago · 0 km deep · 5 km away
  44. 4.438 km NNE of Amboy, Washington · 16980 days ago · -1 km deep · 5 km away
  45. 4.338 km NNE of Amboy, Washington · 16980 days ago · -1 km deep · 6 km away
  46. 4.338 km NNE of Amboy, Washington · 16979 days ago · -1 km deep · 5 km away
  47. 4.437 km NE of Amboy, Washington · 16979 days ago · -1 km deep · 7 km away
  48. 4.138 km NNE of Amboy, Washington · 16979 days ago · -1 km deep · 6 km away
  49. 4.538 km NNE of Amboy, Washington · 16979 days ago · 1 km deep · 6 km away
  50. 4.139 km NNE of Amboy, Washington · 16979 days ago · -1 km deep · 5 km away
  51. 4.638 km NNE of Amboy, Washington · 16979 days ago · -1 km deep · 5 km away
  52. 4.638 km NNE of Amboy, Washington · 16979 days ago · -1 km deep · 5 km away
  53. 4.738 km NNE of Amboy, Washington · 16979 days ago · -1 km deep · 5 km away
  54. 4.538 km NNE of Amboy, Washington · 16978 days ago · 0 km deep · 5 km away
  55. 4.738 km NNE of Amboy, Washington · 16978 days ago · -1 km deep · 5 km away
  56. 4.238 km NNE of Amboy, Washington · 16978 days ago · -1 km deep · 5 km away
  57. 4.638 km NNE of Amboy, Washington · 16978 days ago · -1 km deep · 5 km away
  58. 4.538 km S of Morton, Washington · 16978 days ago · -1 km deep · 5 km away
  59. 4.238 km SSE of Morton, Washington · 16978 days ago · -1 km deep · 4 km away
  60. 3.3Washington · 16978 days ago · 0 km deep · 7 km away

The first 60 of at least 201.

Before

  1. 3.631 km NE of Amboy, Washington · 16983 days ago · -1 km deep · 16 km away
  2. 3.938 km NNE of Amboy, Washington · 16983 days ago · -1 km deep · 6 km away
  3. 4.438 km NNE of Amboy, Washington · 16983 days ago · -1 km deep · 6 km away
  4. 4.139 km NNE of Amboy, Washington · 16983 days ago · -1 km deep · 5 km away
  5. 4.1Washington · 16983 days ago · -1 km deep · 6 km away
  6. 3.937 km NE of Amboy, Washington · 16983 days ago · 4 km deep · 8 km away
  7. 3.635 km NE of Amboy, Washington · 16983 days ago · 8 km deep · 16 km away
  8. 3.638 km NNE of Amboy, Washington · 16983 days ago · -1 km deep · 6 km away
  9. 3.5Washington · 16983 days ago · 5 km deep · 8 km away
  10. 4.2Washington · 16983 days ago · -1 km deep · 6 km away
  11. 4.138 km NNE of Amboy, Washington · 16983 days ago · -1 km deep · 6 km away
  12. 4.338 km NNE of Amboy, Washington · 16983 days ago · -1 km deep · 6 km away
  13. 3.638 km NNE of Amboy, Washington · 16983 days ago · -1 km deep · 5 km away
  14. 3.838 km NNE of Amboy, Washington · 16983 days ago · -1 km deep · 5 km away
  15. 3.738 km NNE of Amboy, Washington · 16983 days ago · -1 km deep · 6 km away
  16. 3.537 km NNE of Amboy, Washington · 16983 days ago · -1 km deep · 6 km away
  17. 3.738 km NNE of Amboy, Washington · 16983 days ago · -1 km deep · 5 km away
  18. 3.538 km NNE of Amboy, Washington · 16983 days ago · 0 km deep · 6 km away
  19. 2.827 km ENE of Amboy, Washington · 16983 days ago · 16 km deep · 24 km away
  20. 2.337 km NNE of Amboy, Washington · 16983 days ago · -1 km deep · 6 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10077933. Read Thu, Sep 24, 2026, 1:26 PM UTC.