Washington earthquakes

M3.8 earthquake 38 km S of Morton, Washington

A magnitude 3.8 earthquake struck 38 km S of Morton, Washington on Sat, Apr 19, 1980, 9:02 AM PST (17:02 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
3.8 (md), minor
Local time
UTC
1980-04-19 17:02:21 UTC
Depth
1.4 km (0.8 mi), shallow
Epicenter
46.216° N, 122.184° 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 1.3 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
200°, poorly surrounded by stations
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: 199 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 4.438 km SSE of Morton, Washington · 16961 days ago · -1 km deep · 1 km away
  2. 3.038 km NNE of Amboy, Washington · 16961 days ago · 0 km deep · 1 km away
  3. 3.937 km S of Morton, Washington · 16961 days ago · 5 km deep · 1 km away
  4. 3.937 km NNE of Amboy, Washington · 16961 days ago · -1 km deep · 2 km away
  5. 3.838 km NNE of Amboy, Washington · 16961 days ago · 0 km deep · 1 km away
  6. 4.839 km NNE of Amboy, Washington · 16961 days ago · 1 km deep · 1 km away
  7. 3.738 km NNE of Amboy, Washington · 16960 days ago · 0 km deep · 2 km away
  8. 3.838 km NNE of Amboy, Washington · 16960 days ago · -1 km deep · 1 km away
  9. 4.138 km NNE of Amboy, Washington · 16960 days ago · -1 km deep · 1 km away
  10. 4.038 km NNE of Amboy, Washington · 16960 days ago · 0 km deep · 1 km away
  11. 2.938 km NNE of Amboy, Washington · 16960 days ago · 0 km deep · 1 km away
  12. 4.038 km S of Morton, Washington · 16960 days ago · -1 km deep · 1 km away
  13. 4.339 km NNE of Amboy, Washington · 16960 days ago · 1 km deep · 1 km away
  14. 3.938 km NNE of Amboy, Washington · 16960 days ago · 0 km deep · 1 km away
  15. 3.838 km NNE of Amboy, Washington · 16960 days ago · 0 km deep · 1 km away
  16. 3.838 km NNE of Amboy, Washington · 16960 days ago · 0 km deep · 1 km away
  17. 3.039 km NNE of Amboy, Washington · 16960 days ago · -1 km deep · 1 km away
  18. 2.738 km NNE of Amboy, Washington · 16960 days ago · 1 km deep · 2 km away
  19. 3.638 km NNE of Amboy, Washington · 16960 days ago · -1 km deep · 1 km away
  20. 4.037 km NNE of Amboy, Washington · 16960 days ago · 0 km deep · 2 km away
  21. 5.139 km NNE of Amboy, Washington · 16960 days ago · 1 km deep · 1 km away
  22. 3.937 km NNE of Amboy, Washington · 16960 days ago · -1 km deep · 2 km away
  23. 4.439 km S of Morton, Washington · 16960 days ago · -1 km deep · 1 km away
  24. 3.838 km NNE of Amboy, Washington · 16960 days ago · -1 km deep · 2 km away
  25. 4.138 km NNE of Amboy, Washington · 16959 days ago · 0 km deep · 1 km away
  26. 4.339 km NNE of Amboy, Washington · 16959 days ago · -1 km deep · 1 km away
  27. 3.938 km NNE of Amboy, Washington · 16959 days ago · 0 km deep · 1 km away
  28. 3.938 km NNE of Amboy, Washington · 16959 days ago · -1 km deep · 1 km away
  29. 3.838 km NNE of Amboy, Washington · 16959 days ago · -1 km deep · 1 km away
  30. 2.738 km NNE of Amboy, Washington · 16959 days ago · -1 km deep · 1 km away
  31. 4.839 km NNE of Amboy, Washington · 16959 days ago · -1 km deep · 1 km away
  32. 3.837 km NNE of Amboy, Washington · 16959 days ago · -1 km deep · 2 km away
  33. 3.838 km NNE of Amboy, Washington · 16959 days ago · 0 km deep · 1 km away
  34. 4.439 km SSE of Morton, Washington · 16959 days ago · -1 km deep · 1 km away
  35. 3.938 km NNE of Amboy, Washington · 16959 days ago · -1 km deep · 1 km away
  36. 3.038 km NNE of Amboy, Washington · 16958 days ago · 0 km deep · 1 km away
  37. 4.038 km NNE of Amboy, Washington · 16958 days ago · 0 km deep · 1 km away
  38. 4.439 km NNE of Amboy, Washington · 16958 days ago · 0 km deep · 1 km away
  39. 4.038 km S of Morton, Washington · 16958 days ago · 0 km deep · 1 km away
  40. 1.96 km E of Ashford, Washington · 16958 days ago · 5 km deep · 62 km away
  41. 4.438 km NNE of Amboy, Washington · 16958 days ago · 0 km deep · 1 km away
  42. 2.738 km NNE of Amboy, Washington · 16958 days ago · 0 km deep · 1 km away
  43. 3.838 km NNE of Amboy, Washington · 16958 days ago · 0 km deep · 2 km away
  44. 4.038 km NNE of Amboy, Washington · 16958 days ago · -1 km deep · 1 km away
  45. 3.738 km NNE of Amboy, Washington · 16958 days ago · -1 km deep · 1 km away
  46. 3.138 km NNE of Amboy, Washington · 16958 days ago · -1 km deep · 1 km away
  47. 5.038 km NNE of Amboy, Washington · 16958 days ago · -1 km deep · 1 km away
  48. 2.839 km S of Morton, Washington · 16958 days ago · 0 km deep · 1 km away
  49. 3.637 km NNE of Amboy, Washington · 16958 days ago · -1 km deep · 2 km away
  50. 4.439 km NNE of Amboy, Washington · 16958 days ago · 2 km deep · 1 km away
  51. 3.537 km NNE of Amboy, Washington · 16957 days ago · 1 km deep · 2 km away
  52. 3.537 km NE of Amboy, Washington · 16957 days ago · 2 km deep · 3 km away
  53. 3.637 km NNE of Amboy, Washington · 16957 days ago · 0 km deep · 2 km away
  54. 1.738 km NNE of Amboy, Washington · 16957 days ago · 0 km deep · 1 km away
  55. 3.939 km S of Morton, Washington · 16957 days ago · 3 km deep · 1 km away
  56. 3.738 km NNE of Amboy, Washington · 16957 days ago · 0 km deep · 1 km away
  57. 3.838 km NNE of Amboy, Washington · 16957 days ago · -1 km deep · 2 km away
  58. 3.637 km NNE of Amboy, Washington · 16957 days ago · -1 km deep · 2 km away
  59. 3.938 km NNE of Amboy, Washington · 16957 days ago · 0 km deep · 1 km away
  60. 3.538 km NNE of Amboy, Washington · 16957 days ago · 0 km deep · 1 km away

The first 60 of 199.

Before

  1. 3.239 km NNE of Amboy, Washington · 16961 days ago · 0 km deep · 1 km away
  2. 4.038 km NNE of Amboy, Washington · 16961 days ago · -1 km deep · 1 km away
  3. 4.338 km NNE of Amboy, Washington · 16961 days ago · 0 km deep · 1 km away
  4. 4.138 km NNE of Amboy, Washington · 16961 days ago · 0 km deep · 1 km away
  5. 4.138 km NNE of Amboy, Washington · 16961 days ago · 0 km deep · 1 km away
  6. 4.639 km NNE of Amboy, Washington · 16962 days ago · 1 km deep · 1 km away
  7. 5.038 km NNE of Amboy, Washington · 16962 days ago · 0 km deep · 1 km away
  8. 3.838 km NNE of Amboy, Washington · 16962 days ago · -1 km deep · 1 km away
  9. 4.038 km NNE of Amboy, Washington · 16962 days ago · 1 km deep · 1 km away
  10. 3.937 km NNE of Amboy, Washington · 16962 days ago · -1 km deep · 2 km away
  11. 4.038 km NNE of Amboy, Washington · 16962 days ago · 0 km deep · 1 km away
  12. 4.239 km S of Morton, Washington · 16962 days ago · 0 km deep · 1 km away
  13. 3.538 km S of Morton, Washington · 16962 days ago · -1 km deep · 1 km away
  14. 2.327 km NNW of Amboy, Washington · 16962 days ago · 16 km deep · 27 km away
  15. 4.038 km NNE of Amboy, Washington · 16962 days ago · 1 km deep · 2 km away
  16. 4.037 km NNE of Amboy, Washington · 16962 days ago · 0 km deep · 2 km away
  17. 3.838 km NNE of Amboy, Washington · 16962 days ago · -1 km deep · 1 km away
  18. 2.638 km NNE of Amboy, Washington · 16962 days ago · 0 km deep · 1 km away
  19. 3.937 km NNE of Amboy, Washington · 16962 days ago · 0 km deep · 2 km away
  20. 4.739 km S of Morton, Washington · 16962 days ago · -1 km deep · 0 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10082728. Read Sat, Sep 26, 2026, 11:25 AM UTC.