Washington earthquakes

M1.9 earthquake 38 km NNE of Amboy, Washington

A magnitude 1.9 earthquake struck 38 km NNE of Amboy, Washington on Sun, Sep 6, 1981, 1:53 PM PDT (20:53 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M2.6 24 km ESE of Packwood, Washington. This one was a foreshock.

Amboy 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
1.9 (md), micro
Local time
UTC
1981-09-06 20:53:29 UTC
Depth
-0.9 km (-0.6 mi), shallow
Epicenter
46.203° N, 122.185° 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, 0.3 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
67°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 24 in the 30 days before it.

After

  1. 1.521 km NE of Ashford, Washington · 16456 days ago · 6 km deep · 81 km away
  2. 2.024 km ESE of Packwood, Washington · 16453 days ago · 3 km deep · 71 km away
  3. 1.623 km ESE of Packwood, Washington · 16453 days ago · -1 km deep · 70 km away
  4. 2.423 km ESE of Packwood, Washington · 16453 days ago · -1 km deep · 71 km away
  5. 1.518 km NNE of Ashford, Washington · 16451 days ago · 9 km deep · 82 km away
  6. 1.517 km NW of Trout Lake, Washington · 16435 days ago · 3 km deep · 41 km away
  7. 1.823 km S of Morton, Washington · 16434 days ago · 8 km deep · 16 km away
  8. 2.624 km ESE of Packwood, Washington · 16426 days ago · 3 km deep · 71 km away
  9. 1.95 km SSE of Mineral, Washington · 16419 days ago · 19 km deep · 52 km away
  10. 1.625 km ESE of Packwood, Washington · 16414 days ago · 0 km deep · 75 km away
  11. 1.638 km NNE of Amboy, Washington · 16410 days ago · 1 km deep · 2 km away
  12. 2.21 km NE of White Salmon, Washington · 16404 days ago · 3 km deep · 75 km away

Before

  1. 1.637 km NNE of Amboy, Washington · 16457 days ago · -1 km deep · 1 km away
  2. 1.638 km NNE of Amboy, Washington · 16458 days ago · 0 km deep · 0 km away
  3. 1.938 km NNE of Amboy, Washington · 16460 days ago · -1 km deep · 0 km away
  4. 1.724 km S of Morton, Washington · 16460 days ago · 3 km deep · 15 km away
  5. 1.924 km S of Morton, Washington · 16461 days ago · 3 km deep · 15 km away
  6. 1.56 km S of Morton, Washington · 16461 days ago · 4 km deep · 34 km away
  7. 1.638 km NNE of Amboy, Washington · 16462 days ago · 0 km deep · 1 km away
  8. 1.838 km NNE of Amboy, Washington · 16462 days ago · 0 km deep · 0 km away
  9. 1.524 km ENE of Ashford, Washington · 16463 days ago · -1 km deep · 80 km away
  10. 1.637 km NNE of Amboy, Washington · 16464 days ago · 1 km deep · 1 km away
  11. 2.023 km ESE of Packwood, Washington · 16468 days ago · 5 km deep · 71 km away
  12. 1.525 km ENE of Ashford, Washington · 16469 days ago · 0 km deep · 80 km away
  13. 1.724 km ESE of Packwood, Washington · 16470 days ago · -1 km deep · 71 km away
  14. 3.422 km S of Morton, Washington · 16471 days ago · 7 km deep · 18 km away
  15. 1.522 km S of Morton, Washington · 16474 days ago · 7 km deep · 18 km away
  16. 1.67 km WSW of Felida, Washington · 16476 days ago · 21 km deep · 74 km away
  17. 2.321 km SSE of Packwood, Washington · 16476 days ago · 1 km deep · 52 km away
  18. 2.04 km SSW of Orting, Washington · 16477 days ago · 0 km deep · 95 km away
  19. 1.537 km NNE of Amboy, Washington · 16477 days ago · -1 km deep · 1 km away
  20. 1.522 km ESE of Packwood, Washington · 16481 days ago · 2 km deep · 69 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10115533. Read Sun, Sep 27, 2026, 10:36 AM UTC.