Washington earthquakes

M1.7 earthquake 22 km S of Morton, Washington

A magnitude 1.7 earthquake struck 22 km S of Morton, Washington on Sun, Feb 15, 1981, 6:56 PM PST (02:56 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.3 25 km S of Morton, 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
1.7 (md), micro
Local time
UTC
1981-02-16 02:56:13 UTC
Depth
9.7 km (6.0 mi), shallow
Epicenter
46.353° N, 122.242° 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 0.4 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
44°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 89 in the 60 days after this one and 90 in the 30 days before it.

After

  1. 1.621 km S of Morton, Washington · 16654 days ago · 10 km deep · 1 km away
  2. 2.325 km S of Morton, Washington · 16654 days ago · 10 km deep · 3 km away
  3. 3.125 km S of Morton, Washington · 16654 days ago · 6 km deep · 3 km away
  4. 2.221 km S of Morton, Washington · 16653 days ago · 8 km deep · 1 km away
  5. 2.423 km S of Morton, Washington · 16653 days ago · 7 km deep · 1 km away
  6. 2.221 km S of Morton, Washington · 16652 days ago · 7 km deep · 2 km away
  7. 1.623 km S of Morton, Washington · 16651 days ago · 5 km deep · 1 km away
  8. 1.822 km S of Morton, Washington · 16651 days ago · 8 km deep · 0 km away
  9. 1.925 km S of Morton, Washington · 16651 days ago · 9 km deep · 2 km away
  10. 2.224 km S of Morton, Washington · 16651 days ago · 7 km deep · 2 km away
  11. 1.923 km S of Morton, Washington · 16651 days ago · 8 km deep · 1 km away
  12. 2.223 km S of Morton, Washington · 16650 days ago · 7 km deep · 1 km away
  13. 1.7Washington · 16650 days ago · 12 km deep · 1 km away
  14. 2.122 km S of Morton, Washington · 16650 days ago · 8 km deep · 0 km away
  15. 2.424 km S of Morton, Washington · 16649 days ago · 7 km deep · 2 km away
  16. 2.122 km S of Morton, Washington · 16649 days ago · 7 km deep · 1 km away
  17. 1.523 km S of Morton, Washington · 16649 days ago · 10 km deep · 1 km away
  18. 2.324 km S of Morton, Washington · 16649 days ago · 8 km deep · 2 km away
  19. 2.524 km S of Morton, Washington · 16648 days ago · 8 km deep · 1 km away
  20. 2.121 km S of Morton, Washington · 16648 days ago · 8 km deep · 2 km away
  21. 1.919 km S of Morton, Washington · 16648 days ago · 10 km deep · 4 km away
  22. 1.924 km S of Morton, Washington · 16648 days ago · 9 km deep · 1 km away
  23. 1.824 km S of Morton, Washington · 16647 days ago · 9 km deep · 1 km away
  24. 2.124 km S of Morton, Washington · 16647 days ago · 9 km deep · 2 km away
  25. 1.722 km S of Morton, Washington · 16646 days ago · 9 km deep · 1 km away
  26. 2.022 km S of Morton, Washington · 16643 days ago · 7 km deep · 0 km away
  27. 2.018 km S of Morton, Washington · 16643 days ago · 4 km deep · 5 km away
  28. 2.123 km S of Morton, Washington · 16642 days ago · 6 km deep · 1 km away
  29. 1.722 km S of Morton, Washington · 16642 days ago · 8 km deep · 0 km away
  30. 2.523 km S of Morton, Washington · 16641 days ago · 6 km deep · 1 km away
  31. 1.823 km S of Morton, Washington · 16641 days ago · 6 km deep · 0 km away
  32. 1.521 km S of Morton, Washington · 16641 days ago · 10 km deep · 2 km away
  33. 1.823 km S of Morton, Washington · 16640 days ago · 7 km deep · 1 km away
  34. 2.123 km S of Morton, Washington · 16640 days ago · 6 km deep · 1 km away
  35. 1.822 km S of Morton, Washington · 16639 days ago · 11 km deep · 0 km away
  36. 1.624 km S of Morton, Washington · 16638 days ago · 7 km deep · 2 km away
  37. 1.721 km S of Morton, Washington · 16638 days ago · 8 km deep · 1 km away
  38. 1.523 km S of Morton, Washington · 16636 days ago · 8 km deep · 1 km away
  39. 1.921 km S of Morton, Washington · 16635 days ago · 8 km deep · 1 km away
  40. 2.121 km S of Morton, Washington · 16632 days ago · 8 km deep · 1 km away
  41. 2.220 km S of Morton, Washington · 16629 days ago · 6 km deep · 3 km away
  42. 2.022 km S of Morton, Washington · 16629 days ago · 10 km deep · 0 km away
  43. 2.026 km S of Morton, Washington · 16625 days ago · 13 km deep · 3 km away
  44. 2.122 km S of Morton, Washington · 16621 days ago · 11 km deep · 1 km away
  45. 1.838 km NE of Amboy, Washington · 16621 days ago · 7 km deep · 24 km away
  46. 1.734 km NNE of Amboy, Washington · 16614 days ago · 1 km deep · 20 km away
  47. 1.825 km S of Morton, Washington · 16613 days ago · 7 km deep · 2 km away
  48. 1.824 km S of Morton, Washington · 16613 days ago · 11 km deep · 2 km away
  49. 2.735 km SSE of Morton, Washington · 16612 days ago · -1 km deep · 12 km away
  50. 1.537 km SSE of Morton, Washington · 16610 days ago · -1 km deep · 15 km away
  51. 1.637 km S of Morton, Washington · 16605 days ago · 1 km deep · 15 km away
  52. 2.237 km NNE of Amboy, Washington · 16604 days ago · -2 km deep · 17 km away
  53. 1.9Washington · 16603 days ago · 1 km deep · 18 km away
  54. 2.438 km NNE of Amboy, Washington · 16602 days ago · 0 km deep · 17 km away
  55. 1.638 km NNE of Amboy, Washington · 16601 days ago · -1 km deep · 16 km away
  56. 1.922 km S of Morton, Washington · 16601 days ago · 10 km deep · 1 km away
  57. 2.122 km S of Morton, Washington · 16601 days ago · 11 km deep · 1 km away
  58. 1.637 km NNE of Amboy, Washington · 16601 days ago · -1 km deep · 18 km away
  59. 2.039 km S of Morton, Washington · 16601 days ago · -1 km deep · 16 km away
  60. 1.737 km NE of Amboy, Washington · 16600 days ago · -1 km deep · 20 km away

The first 60 of 89.

Before

  1. 2.925 km S of Morton, Washington · 16654 days ago · 9 km deep · 3 km away
  2. 1.83 km ESE of Vancouver, Washington · 16654 days ago · 9 km deep · 86 km away
  3. 1.62 km ESE of Vancouver, Washington · 16654 days ago · 14 km deep · 85 km away
  4. 2.421 km S of Morton, Washington · 16654 days ago · 7 km deep · 1 km away
  5. 1.522 km S of Morton, Washington · 16654 days ago · 7 km deep · 0 km away
  6. 1.822 km S of Morton, Washington · 16654 days ago · 8 km deep · 0 km away
  7. 2.622 km S of Morton, Washington · 16654 days ago · 9 km deep · 1 km away
  8. 1.524 km S of Morton, Washington · 16654 days ago · 6 km deep · 1 km away
  9. 1.721 km S of Morton, Washington · 16654 days ago · 8 km deep · 2 km away
  10. 1.621 km S of Morton, Washington · 16654 days ago · 8 km deep · 2 km away
  11. 1.924 km S of Morton, Washington · 16654 days ago · 9 km deep · 2 km away
  12. 1.821 km S of Morton, Washington · 16655 days ago · 8 km deep · 1 km away
  13. 1.721 km S of Morton, Washington · 16655 days ago · 7 km deep · 1 km away
  14. 1.522 km S of Morton, Washington · 16655 days ago · 10 km deep · 0 km away
  15. 1.525 km S of Morton, Washington · 16655 days ago · 9 km deep · 2 km away
  16. 1.822 km S of Morton, Washington · 16655 days ago · 8 km deep · 1 km away
  17. 1.925 km S of Morton, Washington · 16655 days ago · 8 km deep · 3 km away
  18. 3.824 km S of Morton, Washington · 16655 days ago · 7 km deep · 2 km away
  19. 2.225 km S of Morton, Washington · 16655 days ago · 8 km deep · 2 km away
  20. 2.323 km S of Morton, Washington · 16655 days ago · 7 km deep · 0 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10108593. Read Mon, Sep 21, 2026, 10:00 PM UTC.