Washington earthquakes

M1.8 earthquake 21 km S of Morton, Washington

A magnitude 1.8 earthquake struck 21 km S of Morton, Washington on Sat, Feb 14, 1981, 9:59 PM PST (05:59 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M1.9 24 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
1.8 (md), micro
Local time
UTC
1981-02-15 05:59:12 UTC
Depth
8.0 km (4.9 mi), shallow
Epicenter
46.363° N, 122.245° 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 0.3 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
50°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 101 in the 60 days after this one and 78 in the 30 days before it.

After

  1. 1.924 km S of Morton, Washington · 16655 days ago · 9 km deep · 3 km away
  2. 1.621 km S of Morton, Washington · 16655 days ago · 8 km deep · 0 km away
  3. 1.721 km S of Morton, Washington · 16655 days ago · 8 km deep · 1 km away
  4. 1.524 km S of Morton, Washington · 16655 days ago · 6 km deep · 3 km away
  5. 2.622 km S of Morton, Washington · 16655 days ago · 9 km deep · 1 km away
  6. 1.822 km S of Morton, Washington · 16655 days ago · 8 km deep · 1 km away
  7. 1.522 km S of Morton, Washington · 16655 days ago · 7 km deep · 1 km away
  8. 2.421 km S of Morton, Washington · 16655 days ago · 7 km deep · 0 km away
  9. 1.62 km ESE of Vancouver, Washington · 16655 days ago · 14 km deep · 86 km away
  10. 1.83 km ESE of Vancouver, Washington · 16655 days ago · 9 km deep · 87 km away
  11. 2.925 km S of Morton, Washington · 16655 days ago · 9 km deep · 4 km away
  12. 1.722 km S of Morton, Washington · 16655 days ago · 10 km deep · 1 km away
  13. 1.621 km S of Morton, Washington · 16655 days ago · 10 km deep · 0 km away
  14. 2.325 km S of Morton, Washington · 16654 days ago · 10 km deep · 4 km away
  15. 3.125 km S of Morton, Washington · 16654 days ago · 6 km deep · 4 km away
  16. 2.221 km S of Morton, Washington · 16654 days ago · 8 km deep · 0 km away
  17. 2.423 km S of Morton, Washington · 16654 days ago · 7 km deep · 2 km away
  18. 2.221 km S of Morton, Washington · 16653 days ago · 7 km deep · 1 km away
  19. 1.623 km S of Morton, Washington · 16652 days ago · 5 km deep · 2 km away
  20. 1.822 km S of Morton, Washington · 16652 days ago · 8 km deep · 1 km away
  21. 1.925 km S of Morton, Washington · 16652 days ago · 9 km deep · 3 km away
  22. 2.224 km S of Morton, Washington · 16652 days ago · 7 km deep · 3 km away
  23. 1.923 km S of Morton, Washington · 16651 days ago · 8 km deep · 2 km away
  24. 2.223 km S of Morton, Washington · 16651 days ago · 7 km deep · 2 km away
  25. 1.7Washington · 16651 days ago · 12 km deep · 3 km away
  26. 2.122 km S of Morton, Washington · 16651 days ago · 8 km deep · 1 km away
  27. 2.424 km S of Morton, Washington · 16650 days ago · 7 km deep · 3 km away
  28. 2.122 km S of Morton, Washington · 16650 days ago · 7 km deep · 1 km away
  29. 1.523 km S of Morton, Washington · 16650 days ago · 10 km deep · 2 km away
  30. 2.324 km S of Morton, Washington · 16650 days ago · 8 km deep · 3 km away
  31. 2.524 km S of Morton, Washington · 16649 days ago · 8 km deep · 2 km away
  32. 2.121 km S of Morton, Washington · 16649 days ago · 8 km deep · 0 km away
  33. 1.919 km S of Morton, Washington · 16649 days ago · 10 km deep · 3 km away
  34. 1.924 km S of Morton, Washington · 16648 days ago · 9 km deep · 2 km away
  35. 1.824 km S of Morton, Washington · 16648 days ago · 9 km deep · 3 km away
  36. 2.124 km S of Morton, Washington · 16648 days ago · 9 km deep · 3 km away
  37. 1.722 km S of Morton, Washington · 16647 days ago · 9 km deep · 1 km away
  38. 2.022 km S of Morton, Washington · 16644 days ago · 7 km deep · 1 km away
  39. 2.018 km S of Morton, Washington · 16644 days ago · 4 km deep · 4 km away
  40. 2.123 km S of Morton, Washington · 16643 days ago · 6 km deep · 2 km away
  41. 1.722 km S of Morton, Washington · 16643 days ago · 8 km deep · 1 km away
  42. 2.523 km S of Morton, Washington · 16642 days ago · 6 km deep · 2 km away
  43. 1.823 km S of Morton, Washington · 16642 days ago · 6 km deep · 1 km away
  44. 1.521 km S of Morton, Washington · 16641 days ago · 10 km deep · 1 km away
  45. 1.823 km S of Morton, Washington · 16640 days ago · 7 km deep · 2 km away
  46. 2.123 km S of Morton, Washington · 16640 days ago · 6 km deep · 2 km away
  47. 1.822 km S of Morton, Washington · 16640 days ago · 11 km deep · 1 km away
  48. 1.624 km S of Morton, Washington · 16639 days ago · 7 km deep · 3 km away
  49. 1.721 km S of Morton, Washington · 16638 days ago · 8 km deep · 0 km away
  50. 1.523 km S of Morton, Washington · 16637 days ago · 8 km deep · 2 km away
  51. 1.921 km S of Morton, Washington · 16636 days ago · 8 km deep · 0 km away
  52. 2.121 km S of Morton, Washington · 16633 days ago · 8 km deep · 0 km away
  53. 2.220 km S of Morton, Washington · 16630 days ago · 6 km deep · 2 km away
  54. 2.022 km S of Morton, Washington · 16630 days ago · 10 km deep · 1 km away
  55. 2.026 km S of Morton, Washington · 16625 days ago · 13 km deep · 5 km away
  56. 2.122 km S of Morton, Washington · 16622 days ago · 11 km deep · 1 km away
  57. 1.838 km NE of Amboy, Washington · 16621 days ago · 7 km deep · 25 km away
  58. 1.734 km NNE of Amboy, Washington · 16615 days ago · 1 km deep · 21 km away
  59. 1.825 km S of Morton, Washington · 16614 days ago · 7 km deep · 3 km away
  60. 1.824 km S of Morton, Washington · 16614 days ago · 11 km deep · 3 km away

The first 60 of 101.

Before

  1. 1.721 km S of Morton, Washington · 16655 days ago · 7 km deep · 0 km away
  2. 1.522 km S of Morton, Washington · 16656 days ago · 10 km deep · 1 km away
  3. 1.525 km S of Morton, Washington · 16656 days ago · 9 km deep · 4 km away
  4. 1.822 km S of Morton, Washington · 16656 days ago · 8 km deep · 0 km away
  5. 1.925 km S of Morton, Washington · 16656 days ago · 8 km deep · 4 km away
  6. 3.824 km S of Morton, Washington · 16656 days ago · 7 km deep · 3 km away
  7. 2.225 km S of Morton, Washington · 16656 days ago · 8 km deep · 3 km away
  8. 2.323 km S of Morton, Washington · 16656 days ago · 7 km deep · 1 km away
  9. 3.023 km S of Morton, Washington · 16656 days ago · 9 km deep · 2 km away
  10. 2.021 km S of Morton, Washington · 16656 days ago · 8 km deep · 0 km away
  11. 2.122 km S of Morton, Washington · 16656 days ago · 7 km deep · 1 km away
  12. 2.1Washington · 16656 days ago · 8 km deep · 3 km away
  13. 1.924 km S of Morton, Washington · 16656 days ago · 7 km deep · 2 km away
  14. 1.722 km S of Morton, Washington · 16656 days ago · 9 km deep · 0 km away
  15. 3.0Washington · 16656 days ago · 7 km deep · 3 km away
  16. 1.724 km S of Morton, Washington · 16656 days ago · 7 km deep · 2 km away
  17. 2.025 km S of Morton, Washington · 16656 days ago · 10 km deep · 3 km away
  18. 1.522 km S of Morton, Washington · 16656 days ago · 8 km deep · 1 km away
  19. 1.622 km S of Morton, Washington · 16656 days ago · 10 km deep · 1 km away
  20. 2.822 km S of Morton, Washington · 16656 days ago · 8 km deep · 1 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10106888. Read Tue, Sep 22, 2026, 3:49 PM UTC.