Washington earthquakes

M1.6 earthquake 8 km SE of Bucoda, Washington

A magnitude 1.6 earthquake struck 8 km SE of Bucoda, Washington on Mon, Nov 11, 1991, 4:25 AM PST (12:25 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M2.4 24 km ENE of Ashford, Washington. This one was a foreshock.

Bucoda 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
1.6 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1991-11-11 12:25:05 UTC
Depth
21.2 km (13.2 mi), shallow
Epicenter
46.734° N, 122.803° 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 0.8 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
87°
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: 28 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 1.62 km WSW of McChord Air Force Base, Washington · 12744 days ago · 50 km deep · 48 km away
  2. 2.02 km ESE of Des Moines, Washington · 12741 days ago · 12 km deep · 83 km away
  3. 1.719 km ENE of Ashford, Washington · 12739 days ago · -1 km deep · 78 km away
  4. 1.523 km ENE of Ashford, Washington · 12736 days ago · -2 km deep · 80 km away
  5. 1.723 km ENE of Ashford, Washington · 12736 days ago · -2 km deep · 81 km away
  6. 1.623 km ENE of Ashford, Washington · 12736 days ago · -2 km deep · 81 km away
  7. 2.022 km SW of Packwood, Washington · 12733 days ago · 9 km deep · 81 km away
  8. 1.613 km SW of Chehalis, Washington · 12730 days ago · 44 km deep · 28 km away
  9. 1.524 km ENE of Ashford, Washington · 12727 days ago · -2 km deep · 81 km away
  10. 1.727 km ENE of Ashford, Washington · 12726 days ago · -2 km deep · 84 km away
  11. 1.722 km NE of Ashford, Washington · 12720 days ago · -1 km deep · 78 km away
  12. 1.829 km SSE of Mossyrock, Washington · 12716 days ago · 6 km deep · 60 km away
  13. 1.814 km NE of Ashford, Washington · 12712 days ago · 3 km deep · 70 km away
  14. 1.724 km ENE of Ashford, Washington · 12712 days ago · -2 km deep · 82 km away
  15. 2.16 km W of Mineral, Washington · 12708 days ago · 14 km deep · 41 km away
  16. 1.94 km ESE of Belfair, Washington · 12708 days ago · 2 km deep · 78 km away
  17. 1.738 km NNE of Amboy, Washington · 12706 days ago · 2 km deep · 75 km away
  18. 1.626 km ENE of Ashford, Washington · 12705 days ago · -2 km deep · 84 km away
  19. 1.66 km N of Belfair, Washington · 12705 days ago · 16 km deep · 86 km away
  20. 1.57 km N of Belfair, Washington · 12705 days ago · 1 km deep · 87 km away
  21. 1.938 km SSE of Morton, Washington · 12702 days ago · 10 km deep · 79 km away
  22. 1.96 km NNW of Tokeland, Washington · 12701 days ago · 33 km deep · 92 km away
  23. 2.19 km NE of Ashford, Washington · 12700 days ago · 10 km deep · 67 km away
  24. 1.728 km N of Packwood, Washington · 12698 days ago · -2 km deep · 87 km away
  25. 2.424 km ENE of Ashford, Washington · 12698 days ago · -2 km deep · 81 km away
  26. 1.838 km SSE of Morton, Washington · 12694 days ago · 10 km deep · 79 km away
  27. 1.938 km SSE of Morton, Washington · 12689 days ago · 10 km deep · 79 km away
  28. 1.523 km NE of Ashford, Washington · 12685 days ago · -2 km deep · 80 km away

Before

  1. 1.79 km SE of Bucoda, WA · 12744 days ago · 7 km deep · 1 km away
  2. 3.010 km SE of Bucoda, Washington · 12746 days ago · 14 km deep · 2 km away
  3. 2.79 km SE of Bucoda, Washington · 12746 days ago · 16 km deep · 2 km away
  4. 1.723 km ENE of Ashford, Washington · 12746 days ago · -2 km deep · 81 km away
  5. 1.69 km SE of Bucoda, Washington · 12746 days ago · 14 km deep · 3 km away
  6. 2.69 km SE of Bucoda, Washington · 12746 days ago · 7 km deep · 1 km away
  7. 1.816 km WSW of La Grande, Washington · 12748 days ago · 17 km deep · 23 km away
  8. 1.724 km ENE of Ashford, Washington · 12749 days ago · 4 km deep · 82 km away
  9. 1.522 km ENE of Ashford, Washington · 12751 days ago · -2 km deep · 80 km away
  10. 1.95 km E of Black Diamond, Washington · 12755 days ago · 2 km deep · 93 km away
  11. 1.924 km ENE of Ashford, Washington · 12760 days ago · -2 km deep · 81 km away
  12. 2.19 km SE of Bucoda, Washington · 12761 days ago · 21 km deep · 1 km away
  13. 3.414 km ENE of Aberdeen Gardens, Washington · 12761 days ago · 38 km deep · 76 km away
  14. 1.52 km NW of Maple Valley, Washington · 12767 days ago · 17 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10285993. Read Fri, Oct 2, 2026, 9:34 PM UTC.