Washington earthquakes

M2.5 earthquake 23 km S of Morton, Washington

A magnitude 2.5 earthquake struck 23 km S of Morton, Washington on Tue, Jul 21, 1981, 12:54 PM PDT (19:54 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M3.4 22 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
2.5 (md), micro
Local time
UTC
1981-07-21 19:54:14 UTC
Depth
-1.2 km (-0.8 mi), shallow
Epicenter
46.351° N, 122.235° 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 0.0 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
39°
Stations used
40

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 45 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.920 km ENE of Yacolt, Washington · 16501 days ago · 7 km deep · 50 km away
  2. 1.721 km S of Morton, Washington · 16499 days ago · 10 km deep · 2 km away
  3. 1.7Washington · 16498 days ago · 11 km deep · 2 km away
  4. 1.83 km NNE of Crocker, Washington · 16497 days ago · 2 km deep · 85 km away
  5. 2.221 km S of Morton, Washington · 16496 days ago · 10 km deep · 2 km away
  6. 1.721 km S of Morton, Washington · 16496 days ago · 10 km deep · 2 km away
  7. 1.623 km ENE of Ashford, Washington · 16495 days ago · -1 km deep · 67 km away
  8. 1.68 km ESE of McKenna, Washington · 16493 days ago · 20 km deep · 65 km away
  9. 1.522 km S of Morton, Washington · 16493 days ago · 9 km deep · 1 km away
  10. 1.521 km ESE of Packwood, Washington · 16490 days ago · 6 km deep · 66 km away
  11. 1.516 km NNE of Ashford, Washington · 16490 days ago · 8 km deep · 65 km away
  12. 1.930 km E of Packwood, Washington · 16487 days ago · 7 km deep · 78 km away
  13. 1.821 km S of Morton, Washington · 16485 days ago · 14 km deep · 3 km away
  14. 2.829 km ESE of Packwood, Washington · 16485 days ago · 3 km deep · 71 km away
  15. 1.737 km NNE of Amboy, Washington · 16480 days ago · -1 km deep · 17 km away
  16. 1.923 km ENE of Ashford, Washington · 16479 days ago · 0 km deep · 68 km away
  17. 1.923 km ENE of Ashford, Washington · 16479 days ago · -1 km deep · 67 km away
  18. 1.638 km NNE of Amboy, Washington · 16478 days ago · -1 km deep · 16 km away
  19. 1.522 km ESE of Packwood, Washington · 16478 days ago · 2 km deep · 66 km away
  20. 1.537 km NNE of Amboy, Washington · 16474 days ago · -1 km deep · 17 km away
  21. 2.04 km SSW of Orting, Washington · 16474 days ago · 0 km deep · 79 km away
  22. 2.321 km SSE of Packwood, Washington · 16473 days ago · 1 km deep · 50 km away
  23. 1.67 km WSW of Felida, Washington · 16473 days ago · 21 km deep · 85 km away
  24. 1.522 km S of Morton, Washington · 16471 days ago · 7 km deep · 1 km away
  25. 3.422 km S of Morton, Washington · 16468 days ago · 7 km deep · 1 km away
  26. 1.724 km ESE of Packwood, Washington · 16467 days ago · -1 km deep · 68 km away
  27. 1.525 km ENE of Ashford, Washington · 16466 days ago · 0 km deep · 68 km away
  28. 2.023 km ESE of Packwood, Washington · 16465 days ago · 5 km deep · 68 km away
  29. 1.637 km NNE of Amboy, Washington · 16461 days ago · 1 km deep · 17 km away
  30. 1.524 km ENE of Ashford, Washington · 16460 days ago · -1 km deep · 67 km away
  31. 1.838 km NNE of Amboy, Washington · 16459 days ago · 0 km deep · 17 km away
  32. 1.638 km NNE of Amboy, Washington · 16459 days ago · 0 km deep · 17 km away
  33. 1.56 km S of Morton, Washington · 16458 days ago · 4 km deep · 17 km away
  34. 1.924 km S of Morton, Washington · 16458 days ago · 3 km deep · 2 km away
  35. 1.724 km S of Morton, Washington · 16457 days ago · 3 km deep · 2 km away
  36. 1.938 km NNE of Amboy, Washington · 16457 days ago · -1 km deep · 17 km away
  37. 1.638 km NNE of Amboy, Washington · 16455 days ago · 0 km deep · 17 km away
  38. 1.637 km NNE of Amboy, Washington · 16454 days ago · -1 km deep · 18 km away
  39. 1.938 km NNE of Amboy, Washington · 16454 days ago · -1 km deep · 17 km away
  40. 1.521 km NE of Ashford, Washington · 16453 days ago · 6 km deep · 68 km away
  41. 2.024 km ESE of Packwood, Washington · 16450 days ago · 3 km deep · 68 km away
  42. 1.623 km ESE of Packwood, Washington · 16450 days ago · -1 km deep · 67 km away
  43. 2.423 km ESE of Packwood, Washington · 16450 days ago · -1 km deep · 68 km away
  44. 1.518 km NNE of Ashford, Washington · 16448 days ago · 9 km deep · 67 km away
  45. 1.62 km SSW of Parkland, Washington · 16445 days ago · 53 km deep · 89 km away

Before

  1. 3.120 km S of Morton, Washington · 16511 days ago · 8 km deep · 2 km away
  2. 2.023 km ESE of Packwood, Washington · 16516 days ago · 5 km deep · 68 km away
  3. 2.223 km ESE of Packwood, Washington · 16519 days ago · 4 km deep · 68 km away
  4. 1.723 km ESE of Packwood, Washington · 16520 days ago · 3 km deep · 67 km away
  5. 2.223 km ESE of Packwood, Washington · 16520 days ago · 4 km deep · 68 km away
  6. 2.422 km ESE of Packwood, Washington · 16520 days ago · 5 km deep · 68 km away
  7. 2.223 km ESE of Packwood, Washington · 16520 days ago · 4 km deep · 68 km away
  8. 1.524 km ESE of Packwood, Washington · 16521 days ago · 4 km deep · 68 km away
  9. 2.622 km S of Morton, Washington · 16525 days ago · 9 km deep · 1 km away
  10. 1.521 km S of Morton, Washington · 16527 days ago · 7 km deep · 2 km away
  11. 1.924 km ESE of Packwood, Washington · 16527 days ago · 4 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10117753. Read Thu, Sep 24, 2026, 11:00 AM UTC.