Washington earthquakes

M1.7 earthquake 23 km ENE of Ashford, Washington

A magnitude 1.7 earthquake struck 23 km ENE of Ashford, Washington on Sat, Nov 9, 1991, 5:50 PM PST (01:50 UTC), -2 km (-1 mi) below the surface.

A larger quake followed: M3.0 10 km SE of Bucoda, 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
1.7 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1991-11-10 01:50:07 UTC
Depth
-1.6 km (-1.0 mi), shallow
Epicenter
46.853° N, 121.754° 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, 0.2 km in depth
Magnitude uncertainty
±0.07
Depth from
Operator assigned
Station coverage gap
159°
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.79 km SE of Bucoda, Washington · 12745 days ago · 16 km deep · 79 km away
  2. 3.010 km SE of Bucoda, Washington · 12745 days ago · 14 km deep · 80 km away
  3. 1.79 km SE of Bucoda, WA · 12744 days ago · 7 km deep · 80 km away
  4. 1.68 km SE of Bucoda, Washington · 12744 days ago · 21 km deep · 81 km away
  5. 1.62 km WSW of McChord Air Force Base, Washington · 12743 days ago · 50 km deep · 66 km away
  6. 2.02 km ESE of Des Moines, Washington · 12740 days ago · 12 km deep · 72 km away
  7. 1.719 km ENE of Ashford, Washington · 12739 days ago · -1 km deep · 4 km away
  8. 1.523 km ENE of Ashford, Washington · 12736 days ago · -2 km deep · 2 km away
  9. 1.723 km ENE of Ashford, Washington · 12736 days ago · -2 km deep · 0 km away
  10. 1.623 km ENE of Ashford, Washington · 12735 days ago · -2 km deep · 1 km away
  11. 2.022 km SW of Packwood, Washington · 12733 days ago · 9 km deep · 47 km away
  12. 1.524 km ENE of Ashford, Washington · 12727 days ago · -2 km deep · 0 km away
  13. 1.727 km ENE of Ashford, Washington · 12725 days ago · -2 km deep · 4 km away
  14. 1.722 km NE of Ashford, Washington · 12720 days ago · -1 km deep · 5 km away
  15. 1.829 km SSE of Mossyrock, Washington · 12716 days ago · 6 km deep · 81 km away
  16. 1.814 km NE of Ashford, Washington · 12712 days ago · 3 km deep · 11 km away
  17. 1.724 km ENE of Ashford, Washington · 12711 days ago · -2 km deep · 1 km away
  18. 2.16 km W of Mineral, Washington · 12707 days ago · 14 km deep · 42 km away
  19. 1.738 km NNE of Amboy, Washington · 12705 days ago · 2 km deep · 80 km away
  20. 1.626 km ENE of Ashford, Washington · 12705 days ago · -2 km deep · 3 km away
  21. 1.938 km SSE of Morton, Washington · 12701 days ago · 10 km deep · 71 km away
  22. 2.19 km NE of Ashford, Washington · 12699 days ago · 10 km deep · 14 km away
  23. 1.728 km N of Packwood, Washington · 12698 days ago · -2 km deep · 6 km away
  24. 2.424 km ENE of Ashford, Washington · 12697 days ago · -2 km deep · 3 km away
  25. 1.838 km SSE of Morton, Washington · 12693 days ago · 10 km deep · 71 km away
  26. 1.92 km WSW of Ames Lake, Washington · 12689 days ago · 6 km deep · 88 km away
  27. 1.938 km SSE of Morton, Washington · 12688 days ago · 10 km deep · 71 km away
  28. 2.212 km N of Naches, Washington · 12688 days ago · 11 km deep · 80 km away

Before

  1. 1.69 km SE of Bucoda, Washington · 12745 days ago · 14 km deep · 78 km away
  2. 2.69 km SE of Bucoda, Washington · 12746 days ago · 7 km deep · 80 km away
  3. 1.816 km WSW of La Grande, Washington · 12747 days ago · 17 km deep · 58 km away
  4. 1.724 km ENE of Ashford, Washington · 12748 days ago · 4 km deep · 1 km away
  5. 1.522 km ENE of Ashford, Washington · 12751 days ago · -2 km deep · 1 km away
  6. 1.95 km E of Black Diamond, Washington · 12754 days ago · 2 km deep · 53 km away
  7. 1.924 km ENE of Ashford, Washington · 12760 days ago · -2 km deep · 3 km away
  8. 2.19 km SE of Bucoda, Washington · 12760 days ago · 21 km deep · 80 km away
  9. 1.52 km NW of Maple Valley, Washington · 12767 days ago · 17 km deep · 66 km away
  10. 2.27 km ENE of Snoqualmie, Washington · 12767 days ago · 13 km deep · 78 km away
  11. 2.422 km ENE of Ashford, Washington · 12774 days ago · -2 km deep · 1 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10285608. Read Fri, Oct 2, 2026, 6:36 AM UTC.