Washington earthquakes

M1.5 earthquake 24 km ENE of Ashford, Washington

A magnitude 1.5 earthquake struck 24 km ENE of Ashford, Washington on Sun, Aug 30, 1981, 10:28 PM PDT (05:28 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M1.8 38 km NNE of Amboy, Washington. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.5 (md), micro
Local time
UTC
1981-08-31 05:28:46 UTC
Depth
-0.8 km (-0.5 mi), shallow
Epicenter
46.854° N, 121.748° 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 1.5 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
111°
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: 29 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 1.838 km NNE of Amboy, Washington · 16457 days ago · 0 km deep · 80 km away
  2. 1.638 km NNE of Amboy, Washington · 16456 days ago · 0 km deep · 80 km away
  3. 1.56 km S of Morton, Washington · 16456 days ago · 4 km deep · 57 km away
  4. 1.924 km S of Morton, Washington · 16455 days ago · 3 km deep · 68 km away
  5. 1.724 km S of Morton, Washington · 16455 days ago · 3 km deep · 68 km away
  6. 1.938 km NNE of Amboy, Washington · 16455 days ago · -1 km deep · 80 km away
  7. 1.638 km NNE of Amboy, Washington · 16453 days ago · 0 km deep · 80 km away
  8. 2.31 km SSE of Lakeland North, Washington · 16452 days ago · 7 km deep · 66 km away
  9. 1.637 km NNE of Amboy, Washington · 16451 days ago · -1 km deep · 81 km away
  10. 1.938 km NNE of Amboy, Washington · 16451 days ago · -1 km deep · 80 km away
  11. 1.521 km NE of Ashford, Washington · 16451 days ago · 6 km deep · 9 km away
  12. 2.024 km ESE of Packwood, Washington · 16448 days ago · 3 km deep · 47 km away
  13. 1.623 km ESE of Packwood, Washington · 16448 days ago · -1 km deep · 47 km away
  14. 2.423 km ESE of Packwood, Washington · 16448 days ago · -1 km deep · 46 km away
  15. 1.518 km NNE of Ashford, Washington · 16446 days ago · 9 km deep · 16 km away
  16. 1.62 km SSW of Parkland, Washington · 16443 days ago · 53 km deep · 62 km away
  17. 1.73 km ENE of Union Hill-Novelty Hill, Washington · 16433 days ago · -1 km deep · 94 km away
  18. 1.91 km S of Hobart, Washington · 16431 days ago · 1 km deep · 63 km away
  19. 1.82 km S of Mercer Island, Washington · 16429 days ago · 0 km deep · 85 km away
  20. 1.517 km NW of Trout Lake, Washington · 16429 days ago · 3 km deep · 81 km away
  21. 1.823 km S of Morton, Washington · 16429 days ago · 8 km deep · 68 km away
  22. 1.93 km ENE of Union Hill-Novelty Hill, Washington · 16426 days ago · 6 km deep · 95 km away
  23. 1.72 km SSE of Maplewood, Washington · 16422 days ago · 19 km deep · 84 km away
  24. 2.624 km ESE of Packwood, Washington · 16421 days ago · 3 km deep · 47 km away
  25. 1.66 km SSE of Thorp, Washington · 16418 days ago · 10 km deep · 86 km away
  26. 1.95 km SSE of Mineral, Washington · 16414 days ago · 19 km deep · 37 km away
  27. 1.625 km ESE of Packwood, Washington · 16408 days ago · 0 km deep · 45 km away
  28. 1.64 km SSE of Hobart, Washington · 16408 days ago · 9 km deep · 61 km away
  29. 1.638 km NNE of Amboy, Washington · 16405 days ago · 1 km deep · 80 km away

Before

  1. 1.637 km NNE of Amboy, Washington · 16459 days ago · 1 km deep · 80 km away
  2. 1.914 km NE of Snoqualmie, Washington · 16460 days ago · 4 km deep · 84 km away
  3. 2.12 km WNW of Home, Washington · 16462 days ago · 22 km deep · 92 km away
  4. 2.023 km ESE of Packwood, Washington · 16463 days ago · 5 km deep · 46 km away
  5. 1.525 km ENE of Ashford, Washington · 16464 days ago · 0 km deep · 1 km away
  6. 1.724 km ESE of Packwood, Washington · 16465 days ago · -1 km deep · 46 km away
  7. 3.422 km S of Morton, Washington · 16466 days ago · 7 km deep · 67 km away
  8. 1.522 km S of Morton, Washington · 16469 days ago · 7 km deep · 67 km away
  9. 2.321 km SSE of Packwood, Washington · 16471 days ago · 1 km deep · 50 km away
  10. 2.04 km SSW of Orting, Washington · 16472 days ago · 0 km deep · 42 km away
  11. 1.537 km NNE of Amboy, Washington · 16472 days ago · -1 km deep · 80 km away
  12. 1.522 km ESE of Packwood, Washington · 16476 days ago · 2 km deep · 45 km away
  13. 1.638 km NNE of Amboy, Washington · 16476 days ago · -1 km deep · 79 km away
  14. 1.923 km ENE of Ashford, Washington · 16476 days ago · -1 km deep · 0 km away
  15. 1.923 km ENE of Ashford, Washington · 16477 days ago · 0 km deep · 3 km away
  16. 1.737 km NNE of Amboy, Washington · 16477 days ago · -1 km deep · 80 km away
  17. 2.829 km ESE of Packwood, Washington · 16483 days ago · 3 km deep · 52 km away
  18. 1.821 km S of Morton, Washington · 16483 days ago · 14 km deep · 67 km away
  19. 1.930 km E of Packwood, Washington · 16484 days ago · 7 km deep · 46 km away
  20. 1.516 km NNE of Ashford, Washington · 16487 days ago · 8 km deep · 14 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10133693. Read Tue, Sep 22, 2026, 6:01 AM UTC.