Washington earthquakes

M2.6 earthquake 29 km NNE of Amboy, Washington

A magnitude 2.6 earthquake struck 29 km NNE of Amboy, Washington on Thu, Feb 5, 1981, 4:16 AM PST (12:16 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.2 23 km S of Morton, 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
2.6 (md), micro
Local time
UTC
1981-02-05 12:16:39 UTC
Depth
10.4 km (6.5 mi), shallow
Epicenter
46.147° N, 122.276° 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 1.0 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
243°, poorly surrounded by stations
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 113 in the 60 days after this one and 29 in the 30 days before it.

After

  1. 1.814 km SW of Alder, Washington · 16663 days ago · 20 km deep · 64 km away
  2. 2.434 km NNE of Amboy, Washington · 16662 days ago · -1 km deep · 6 km away
  3. 2.526 km S of Morton, Washington · 16658 days ago · 2 km deep · 21 km away
  4. 1.925 km SSE of Morton, Washington · 16658 days ago · 2 km deep · 21 km away
  5. 5.223 km S of Morton, Washington · 16655 days ago · 6 km deep · 23 km away
  6. 3.825 km S of Morton, Washington · 16655 days ago · 8 km deep · 21 km away
  7. 2.225 km S of Morton, Washington · 16655 days ago · 6 km deep · 21 km away
  8. 2.522 km S of Morton, Washington · 16655 days ago · 9 km deep · 23 km away
  9. 2.422 km S of Morton, Washington · 16655 days ago · 6 km deep · 24 km away
  10. 1.823 km S of Morton, Washington · 16655 days ago · 6 km deep · 22 km away
  11. 2.125 km S of Morton, Washington · 16655 days ago · 7 km deep · 21 km away
  12. 2.022 km S of Morton, Washington · 16655 days ago · 7 km deep · 24 km away
  13. 2.023 km S of Morton, Washington · 16655 days ago · 7 km deep · 23 km away
  14. 3.523 km S of Morton, Washington · 16655 days ago · 9 km deep · 23 km away
  15. 3.425 km S of Morton, Washington · 16655 days ago · 11 km deep · 21 km away
  16. 1.723 km S of Morton, Washington · 16655 days ago · 8 km deep · 22 km away
  17. 2.925 km S of Morton, Washington · 16655 days ago · 10 km deep · 21 km away
  18. 1.522 km S of Morton, Washington · 16655 days ago · 8 km deep · 24 km away
  19. 2.421 km S of Morton, Washington · 16655 days ago · 4 km deep · 24 km away
  20. 1.822 km S of Morton, Washington · 16655 days ago · 8 km deep · 24 km away
  21. 1.822 km S of Morton, Washington · 16655 days ago · 7 km deep · 24 km away
  22. 1.922 km S of Morton, Washington · 16655 days ago · 10 km deep · 23 km away
  23. 1.923 km S of Morton, Washington · 16655 days ago · 8 km deep · 22 km away
  24. 3.822 km S of Morton, Washington · 16655 days ago · 10 km deep · 23 km away
  25. 1.822 km S of Morton, Washington · 16655 days ago · 10 km deep · 24 km away
  26. 1.722 km S of Morton, Washington · 16655 days ago · 10 km deep · 24 km away
  27. 1.624 km S of Morton, Washington · 16655 days ago · 10 km deep · 22 km away
  28. 1.922 km S of Morton, Washington · 16655 days ago · 6 km deep · 23 km away
  29. 1.524 km S of Morton, Washington · 16655 days ago · 8 km deep · 22 km away
  30. 2.822 km S of Morton, Washington · 16655 days ago · 8 km deep · 24 km away
  31. 1.622 km S of Morton, Washington · 16655 days ago · 10 km deep · 23 km away
  32. 1.522 km S of Morton, Washington · 16655 days ago · 8 km deep · 24 km away
  33. 2.025 km S of Morton, Washington · 16655 days ago · 10 km deep · 21 km away
  34. 1.724 km S of Morton, Washington · 16655 days ago · 7 km deep · 22 km away
  35. 3.0Washington · 16655 days ago · 7 km deep · 21 km away
  36. 1.722 km S of Morton, Washington · 16655 days ago · 9 km deep · 24 km away
  37. 1.924 km S of Morton, Washington · 16655 days ago · 7 km deep · 22 km away
  38. 2.1Washington · 16655 days ago · 8 km deep · 21 km away
  39. 2.122 km S of Morton, Washington · 16655 days ago · 7 km deep · 24 km away
  40. 2.021 km S of Morton, Washington · 16655 days ago · 8 km deep · 24 km away
  41. 3.023 km S of Morton, Washington · 16655 days ago · 9 km deep · 22 km away
  42. 2.323 km S of Morton, Washington · 16655 days ago · 7 km deep · 23 km away
  43. 2.225 km S of Morton, Washington · 16655 days ago · 8 km deep · 21 km away
  44. 3.824 km S of Morton, Washington · 16655 days ago · 7 km deep · 22 km away
  45. 1.925 km S of Morton, Washington · 16655 days ago · 8 km deep · 21 km away
  46. 1.822 km S of Morton, Washington · 16654 days ago · 8 km deep · 24 km away
  47. 1.525 km S of Morton, Washington · 16654 days ago · 9 km deep · 21 km away
  48. 1.522 km S of Morton, Washington · 16654 days ago · 10 km deep · 23 km away
  49. 1.721 km S of Morton, Washington · 16654 days ago · 7 km deep · 24 km away
  50. 1.821 km S of Morton, Washington · 16654 days ago · 8 km deep · 24 km away
  51. 1.924 km S of Morton, Washington · 16654 days ago · 9 km deep · 21 km away
  52. 1.621 km S of Morton, Washington · 16654 days ago · 8 km deep · 25 km away
  53. 1.721 km S of Morton, Washington · 16654 days ago · 8 km deep · 25 km away
  54. 1.524 km S of Morton, Washington · 16654 days ago · 6 km deep · 22 km away
  55. 2.622 km S of Morton, Washington · 16654 days ago · 9 km deep · 24 km away
  56. 1.822 km S of Morton, Washington · 16654 days ago · 8 km deep · 23 km away
  57. 1.522 km S of Morton, Washington · 16654 days ago · 7 km deep · 24 km away
  58. 2.421 km S of Morton, Washington · 16654 days ago · 7 km deep · 24 km away
  59. 1.62 km ESE of Vancouver, Washington · 16654 days ago · 14 km deep · 63 km away
  60. 1.83 km ESE of Vancouver, Washington · 16654 days ago · 9 km deep · 63 km away

The first 60 of 113.

Before

  1. 2.342 km NE of Amboy, Washington · 16664 days ago · 6 km deep · 16 km away
  2. 2.637 km NNE of Amboy, Washington · 16664 days ago · -1 km deep · 9 km away
  3. 2.638 km NNE of Amboy, Washington · 16664 days ago · -1 km deep · 9 km away
  4. 2.738 km NNE of Amboy, Washington · 16664 days ago · -1 km deep · 10 km away
  5. 2.637 km SSE of Morton, Washington · 16664 days ago · 0 km deep · 19 km away
  6. 2.337 km S of Morton, Washington · 16664 days ago · -1 km deep · 11 km away
  7. 2.738 km S of Morton, Washington · 16664 days ago · -1 km deep · 10 km away
  8. 2.9Washington · 16664 days ago · -1 km deep · 11 km away
  9. 2.738 km NNE of Amboy, Washington · 16664 days ago · -1 km deep · 9 km away
  10. 3.0Washington · 16664 days ago · 1 km deep · 9 km away
  11. 2.935 km NNE of Amboy, Washington · 16664 days ago · 0 km deep · 6 km away
  12. 2.938 km S of Morton, Washington · 16664 days ago · -1 km deep · 11 km away
  13. 2.540 km SSE of Morton, Washington · 16664 days ago · -1 km deep · 13 km away
  14. 2.2Washington · 16665 days ago · -1 km deep · 8 km away
  15. 2.437 km S of Morton, Washington · 16665 days ago · 0 km deep · 11 km away
  16. 2.9Washington · 16665 days ago · 0 km deep · 10 km away
  17. 2.137 km NNE of Amboy, Washington · 16665 days ago · 1 km deep · 8 km away
  18. 2.130 km SSE of Morton, Washington · 16665 days ago · 20 km deep · 21 km away
  19. 2.738 km NNE of Amboy, Washington · 16665 days ago · 1 km deep · 9 km away
  20. 1.737 km S of Morton, Washington · 16665 days ago · -1 km deep · 12 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10097408. Read Mon, Sep 21, 2026, 11:23 AM UTC.