Washington earthquakes

M1.8 earthquake 23 km ENE of Ashford, Washington

A magnitude 1.8 earthquake struck 23 km ENE of Ashford, Washington on Thu, Sep 10, 1992, 4:28 AM PDT (11:28 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M3.5 12 km N of Naches, 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
1.8 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1992-09-10 11:28:24 UTC
Depth
-1.1 km (-0.7 mi), shallow
Epicenter
46.836° N, 121.743° 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 0.9 km horizontally, 0.0 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
182°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 1.627 km S of Greenwater, Washington · 12440 days ago · -2 km deep · 9 km away
  2. 1.68 km ENE of Ravensdale, Washington · 12431 days ago · 3 km deep · 61 km away
  3. 1.68 km E of McKenna, Washington · 12431 days ago · 23 km deep · 55 km away
  4. 1.512 km N of Naches, Washington · 12422 days ago · 14 km deep · 82 km away
  5. 1.811 km NE of Packwood, Washington · 12418 days ago · 5 km deep · 21 km away
  6. 1.622 km ENE of Ashford, Washington · 12418 days ago · -2 km deep · 2 km away
  7. 1.726 km ENE of Ashford, Washington · 12416 days ago · -2 km deep · 3 km away
  8. 1.65 km E of Black Diamond, Washington · 12413 days ago · -2 km deep · 55 km away
  9. 1.523 km ENE of Ashford, Washington · 12410 days ago · -2 km deep · 1 km away
  10. 3.512 km N of Naches, Washington · 12395 days ago · -1 km deep · 78 km away
  11. 2.57 km W of Packwood, Washington · 12394 days ago · 8 km deep · 26 km away
  12. 1.514 km N of Naches, Washington · 12391 days ago · 2 km deep · 80 km away
  13. 1.528 km ENE of Ashford, Washington · 12389 days ago · -2 km deep · 5 km away

Before

  1. 1.629 km S of Greenwater, Washington · 12440 days ago · 0 km deep · 8 km away
  2. 2.023 km NE of Ashford, Washington · 12445 days ago · -2 km deep · 5 km away
  3. 1.511 km NE of Ashford, Washington · 12445 days ago · 11 km deep · 15 km away
  4. 1.712 km NE of Ashford, Washington · 12445 days ago · 11 km deep · 15 km away
  5. 2.10 km NW of Carnation, Washington · 12445 days ago · 8 km deep · 92 km away
  6. 1.729 km N of Packwood, Washington · 12447 days ago · -1 km deep · 7 km away
  7. 2.334 km NNE of Amboy, WA · 12449 days ago · -2 km deep · 82 km away
  8. 2.3Washington · 12449 days ago · 17 km deep · 59 km away
  9. 1.525 km ENE of Ashford, Washington · 12451 days ago · -2 km deep · 4 km away
  10. 2.422 km ESE of Packwood, Washington · 12455 days ago · -2 km deep · 42 km away
  11. 1.619 km ENE of Ashford, Washington · 12461 days ago · -2 km deep · 5 km away
  12. 1.638 km NNE of Amboy, Washington · 12461 days ago · -1 km deep · 78 km away
  13. 1.937 km NNE of Amboy, Washington · 12462 days ago · 0 km deep · 79 km away
  14. 1.836 km NNE of Amboy, Washington · 12464 days ago · 1 km deep · 79 km away
  15. 2.424 km ENE of Ashford, Washington · 12464 days ago · -2 km deep · 2 km away
  16. 2.837 km NNE of Amboy, Washington · 12465 days ago · -1 km deep · 79 km away
  17. 1.538 km NNE of Amboy, Washington · 12465 days ago · 1 km deep · 78 km away
  18. 2.124 km ENE of Ashford, Washington · 12466 days ago · -2 km deep · 4 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10295253. Read Fri, Oct 2, 2026, 8:55 PM UTC.