Washington earthquakes

M1.6 earthquake 5 km NNW of Maplewood, Washington

A magnitude 1.6 earthquake struck 5 km NNW of Maplewood, Washington on Mon, Sep 9, 1985, 10:46 AM PDT (17:46 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M2.5 2 km SW of Des Moines, Washington. This one was a foreshock.

Maplewood 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), micro
Local time
UTC
1985-09-09 17:46:09 UTC
Depth
17.1 km (10.6 mi), shallow
Epicenter
47.446° N, 122.577° 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, 0.6 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
73°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.52 km SW of Des Moines, Washington · 14988 days ago · 14 km deep · 19 km away
  2. 1.52 km SW of Des Moines, Washington · 14987 days ago · 15 km deep · 19 km away
  3. 2.37 km SSE of Carbonado, Washington · 14986 days ago · 14 km deep · 64 km away
  4. 2.526 km SE of Neilton, Washington · 14986 days ago · 1 km deep · 78 km away
  5. 1.812 km W of Greenwater, Washington · 14984 days ago · 14 km deep · 65 km away
  6. 3.04 km WSW of Des Moines, Washington · 14983 days ago · 19 km deep · 16 km away
  7. 1.85 km E of Hobart, Washington · 14981 days ago · 10 km deep · 51 km away
  8. 1.51 km NNW of Freeland, Washington · 14978 days ago · 18 km deep · 64 km away
  9. 2.03 km SSE of Issaquah, Washington · 14977 days ago · -1 km deep · 42 km away
  10. 2.63 km NW of Redmond, Washington · 14974 days ago · 8 km deep · 43 km away
  11. 1.53 km S of Monroe, Washington · 14972 days ago · -1 km deep · 62 km away
  12. 2.23 km S of Issaquah, Washington · 14972 days ago · 0 km deep · 42 km away
  13. 1.82 km WNW of Navy Yard City, Washington · 14971 days ago · 13 km deep · 15 km away
  14. 2.43 km NW of Burien, Washington · 14969 days ago · 23 km deep · 16 km away
  15. 2.02 km NW of Burien, Washington · 14969 days ago · 22 km deep · 16 km away
  16. 2.117 km ESE of Carbonado, Washington · 14967 days ago · 16 km deep · 73 km away
  17. 1.5Washington · 14964 days ago · -1 km deep · 90 km away
  18. 2.87 km N of Quilcene, Washington · 14961 days ago · 20 km deep · 54 km away
  19. 2.07 km WNW of Gorst, Washington · 14957 days ago · 21 km deep · 20 km away
  20. 1.94 km E of Granite Falls, Washington · 14954 days ago · -1 km deep · 87 km away
  21. 2.70 km ENE of Riverbend, Washington · 14952 days ago · 15 km deep · 63 km away
  22. 2.69 km W of Belfair, Washington · 14950 days ago · 15 km deep · 29 km away
  23. 2.33 km ENE of Oak Harbor, Washington · 14944 days ago · 21 km deep · 96 km away
  24. 1.810 km ESE of Ashford, Washington · 14942 days ago · 2 km deep · 96 km away
  25. 1.62 km ENE of Keyport, Washington · 14941 days ago · 16 km deep · 30 km away
  26. 1.84 km WSW of Wilderness Rim, Washington · 14940 days ago · 15 km deep · 57 km away
  27. 2.62 km ESE of Silverdale, Washington · 14933 days ago · 20 km deep · 22 km away
  28. 2.013 km NNW of Morton, Washington · 14932 days ago · 17 km deep · 89 km away
  29. 1.58 km NW of Greenwater, Washington · 14931 days ago · -1 km deep · 69 km away
  30. 2.51 km NNE of Klahanie, Washington · 14930 days ago · 6 km deep · 46 km away
  31. 2.313 km NE of Ashford, Washington · 14930 days ago · 7 km deep · 82 km away

Before

  1. 1.813 km ESE of Ashford, Washington · 14993 days ago · -1 km deep · 97 km away
  2. 2.32 km ENE of Keyport, Washington · 14995 days ago · 19 km deep · 30 km away
  3. 1.81 km NNE of Port Townsend, Washington · 14997 days ago · 20 km deep · 77 km away
  4. 1.51 km ESE of Keyport, Washington · 14997 days ago · 23 km deep · 28 km away
  5. 1.54 km N of Seattle, Washington · 15005 days ago · 21 km deep · 28 km away
  6. 1.83 km NNW of Seabeck, Washington · 15006 days ago · 50 km deep · 32 km away
  7. 1.612 km ESE of Enumclaw, Washington · 15009 days ago · 1 km deep · 64 km away
  8. 1.61 km NW of Lake Roesiger, Washington · 15011 days ago · 12 km deep · 77 km away
  9. 1.72 km SSE of Crocker, Washington · 15014 days ago · 0 km deep · 56 km away
  10. 1.58 km SSE of Greenwater, Washington · 15016 days ago · 0 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10193193. Read Tue, Sep 22, 2026, 3:13 PM UTC.