Washington earthquakes

M1.5 earthquake 21 km NE of Ashford, Washington

A magnitude 1.5 earthquake struck 21 km NE of Ashford, Washington on Mon, Sep 7, 1981, 6:02 AM PDT (13:02 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.0 24 km ESE of Packwood, 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
1981-09-07 13:02:03 UTC
Depth
5.7 km (3.5 mi), shallow
Epicenter
46.897° N, 121.843° 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 1.1 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
200°, 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: 19 in the 60 days after this one and 27 in the 30 days before it.

After

  1. 2.024 km ESE of Packwood, Washington · 16448 days ago · 3 km deep · 55 km away
  2. 1.623 km ESE of Packwood, Washington · 16448 days ago · -1 km deep · 55 km away
  3. 2.423 km ESE of Packwood, Washington · 16448 days ago · -1 km deep · 55 km away
  4. 1.518 km NNE of Ashford, Washington · 16446 days ago · 9 km deep · 7 km away
  5. 1.62 km SSW of Parkland, Washington · 16443 days ago · 53 km deep · 53 km away
  6. 1.73 km ENE of Union Hill-Novelty Hill, Washington · 16433 days ago · -1 km deep · 88 km away
  7. 1.91 km S of Hobart, Washington · 16431 days ago · 1 km deep · 57 km away
  8. 1.82 km S of Mercer Island, Washington · 16429 days ago · 0 km deep · 78 km away
  9. 1.517 km NW of Trout Lake, Washington · 16429 days ago · 3 km deep · 87 km away
  10. 1.823 km S of Morton, Washington · 16429 days ago · 8 km deep · 69 km away
  11. 1.93 km ENE of Union Hill-Novelty Hill, Washington · 16426 days ago · 6 km deep · 89 km away
  12. 1.72 km SSE of Maplewood, Washington · 16422 days ago · 19 km deep · 76 km away
  13. 2.624 km ESE of Packwood, Washington · 16421 days ago · 3 km deep · 55 km away
  14. 1.66 km SSE of Thorp, Washington · 16418 days ago · 10 km deep · 92 km away
  15. 1.95 km SSE of Mineral, Washington · 16414 days ago · 19 km deep · 35 km away
  16. 1.625 km ESE of Packwood, Washington · 16408 days ago · 0 km deep · 54 km away
  17. 1.64 km SSE of Hobart, Washington · 16408 days ago · 9 km deep · 55 km away
  18. 1.638 km NNE of Amboy, Washington · 16405 days ago · 1 km deep · 81 km away
  19. 1.92 km WSW of Wilderness Rim, Washington · 16397 days ago · 18 km deep · 60 km away

Before

  1. 1.938 km NNE of Amboy, Washington · 16451 days ago · -1 km deep · 81 km away
  2. 1.637 km NNE of Amboy, Washington · 16451 days ago · -1 km deep · 82 km away
  3. 2.31 km SSE of Lakeland North, Washington · 16452 days ago · 7 km deep · 57 km away
  4. 1.638 km NNE of Amboy, Washington · 16453 days ago · 0 km deep · 81 km away
  5. 1.938 km NNE of Amboy, Washington · 16455 days ago · -1 km deep · 81 km away
  6. 1.724 km S of Morton, Washington · 16455 days ago · 3 km deep · 69 km away
  7. 1.924 km S of Morton, Washington · 16455 days ago · 3 km deep · 69 km away
  8. 1.56 km S of Morton, Washington · 16456 days ago · 4 km deep · 56 km away
  9. 1.638 km NNE of Amboy, Washington · 16456 days ago · 0 km deep · 82 km away
  10. 1.838 km NNE of Amboy, Washington · 16457 days ago · 0 km deep · 82 km away
  11. 1.524 km ENE of Ashford, Washington · 16458 days ago · -1 km deep · 9 km away
  12. 1.637 km NNE of Amboy, Washington · 16459 days ago · 1 km deep · 82 km away
  13. 1.914 km NE of Snoqualmie, Washington · 16460 days ago · 4 km deep · 80 km away
  14. 2.12 km WNW of Home, Washington · 16462 days ago · 22 km deep · 83 km away
  15. 2.023 km ESE of Packwood, Washington · 16463 days ago · 5 km deep · 54 km away
  16. 1.525 km ENE of Ashford, Washington · 16464 days ago · 0 km deep · 10 km away
  17. 1.724 km ESE of Packwood, Washington · 16465 days ago · -1 km deep · 54 km away
  18. 3.422 km S of Morton, Washington · 16466 days ago · 7 km deep · 67 km away
  19. 1.522 km S of Morton, Washington · 16469 days ago · 7 km deep · 67 km away
  20. 2.321 km SSE of Packwood, Washington · 16471 days ago · 1 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10115893. Read Tue, Sep 22, 2026, 6:03 AM UTC.