Washington earthquakes

M1.8 earthquake 34 km NE of Amboy, Washington

A magnitude 1.8 earthquake struck 34 km NE of Amboy, Washington on Thu, Aug 6, 1992, 11:10 AM PDT (18:10 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.8 37 km NNE of Amboy, 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
1.8 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1992-08-06 18:10:24 UTC
Depth
-0.3 km (-0.2 mi), shallow
Epicenter
46.169° N, 122.199° 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 0.2 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.15
Depth from
Operator assigned
Station coverage gap
168°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 24 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 1.52 km SSW of Hockinson, Washington · 12472 days ago · 14 km deep · 55 km away
  2. 2.124 km ENE of Ashford, Washington · 12466 days ago · -2 km deep · 85 km away
  3. 1.538 km NNE of Amboy, Washington · 12466 days ago · 1 km deep · 4 km away
  4. 2.837 km NNE of Amboy, Washington · 12466 days ago · -1 km deep · 4 km away
  5. 2.424 km ENE of Ashford, Washington · 12465 days ago · -2 km deep · 84 km away
  6. 1.836 km NNE of Amboy, Washington · 12464 days ago · 1 km deep · 4 km away
  7. 1.937 km NNE of Amboy, Washington · 12462 days ago · 0 km deep · 4 km away
  8. 1.638 km NNE of Amboy, Washington · 12461 days ago · -1 km deep · 4 km away
  9. 1.619 km ENE of Ashford, Washington · 12461 days ago · -2 km deep · 79 km away
  10. 2.422 km ESE of Packwood, Washington · 12456 days ago · -2 km deep · 75 km away
  11. 1.525 km ENE of Ashford, Washington · 12452 days ago · -2 km deep · 86 km away
  12. 2.334 km NNE of Amboy, WA · 12449 days ago · -2 km deep · 2 km away
  13. 1.729 km N of Packwood, Washington · 12447 days ago · -1 km deep · 88 km away
  14. 1.712 km NE of Ashford, Washington · 12445 days ago · 11 km deep · 78 km away
  15. 1.511 km NE of Ashford, Washington · 12445 days ago · 11 km deep · 78 km away
  16. 2.023 km NE of Ashford, Washington · 12445 days ago · -2 km deep · 85 km away
  17. 1.629 km S of Greenwater, Washington · 12441 days ago · 0 km deep · 90 km away
  18. 1.823 km ENE of Ashford, Washington · 12441 days ago · -1 km deep · 82 km away
  19. 1.627 km S of Greenwater, Washington · 12441 days ago · -2 km deep · 91 km away
  20. 1.68 km E of McKenna, Washington · 12431 days ago · 23 km deep · 87 km away
  21. 2.310 km NNE of White Salmon, Washington · 12419 days ago · 6 km deep · 71 km away
  22. 1.811 km NE of Packwood, Washington · 12418 days ago · 5 km deep · 75 km away
  23. 1.622 km ENE of Ashford, Washington · 12418 days ago · -2 km deep · 82 km away
  24. 1.726 km ENE of Ashford, Washington · 12416 days ago · -2 km deep · 85 km away

Before

  1. 1.723 km ENE of Ashford, Washington · 12477 days ago · 4 km deep · 83 km away
  2. 1.524 km ENE of Ashford, Washington · 12479 days ago · -2 km deep · 85 km away
  3. 2.07 km SSE of Carbonado, Washington · 12484 days ago · 13 km deep · 96 km away
  4. 1.738 km NNE of Amboy, Washington · 12490 days ago · 1 km deep · 4 km away
  5. 1.723 km ENE of Ashford, Washington · 12505 days ago · -2 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10292628. Read Sat, Oct 3, 2026, 12:15 PM UTC.