Washington earthquakes

M2.3 earthquake 2 km ENE of Keyport, Washington

A magnitude 2.3 earthquake struck 2 km ENE of Keyport, Washington on Mon, Sep 2, 1985, 7:52 PM PDT (02:52 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M2.5 2 km SW of Des Moines, 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
2.3 (md), micro
Local time
UTC
1985-09-03 02:52:29 UTC
Depth
19.3 km (12.0 mi), shallow
Epicenter
47.713° N, 122.585° 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 0.5 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
40°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 29 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.65 km NNW of Maplewood, Washington · 14988 days ago · 17 km deep · 30 km away
  2. 2.52 km SW of Des Moines, Washington · 14987 days ago · 14 km deep · 41 km away
  3. 1.52 km SW of Des Moines, Washington · 14987 days ago · 15 km deep · 40 km away
  4. 2.37 km SSE of Carbonado, Washington · 14986 days ago · 14 km deep · 89 km away
  5. 2.526 km SE of Neilton, Washington · 14986 days ago · 1 km deep · 90 km away
  6. 1.812 km W of Greenwater, Washington · 14984 days ago · 14 km deep · 84 km away
  7. 3.04 km WSW of Des Moines, Washington · 14983 days ago · 19 km deep · 39 km away
  8. 1.85 km E of Hobart, Washington · 14981 days ago · 10 km deep · 60 km away
  9. 2.21 km SSW of Mount Vernon, Washington · 14980 days ago · 16 km deep · 79 km away
  10. 1.51 km NNW of Freeland, Washington · 14977 days ago · 18 km deep · 34 km away
  11. 2.03 km SSE of Issaquah, Washington · 14977 days ago · -1 km deep · 49 km away
  12. 2.63 km NW of Redmond, Washington · 14974 days ago · 8 km deep · 33 km away
  13. 1.53 km S of Monroe, Washington · 14972 days ago · -1 km deep · 48 km away
  14. 2.23 km S of Issaquah, Washington · 14972 days ago · 0 km deep · 48 km away
  15. 1.516 km SE of Darrington, Washington · 14971 days ago · 9 km deep · 100 km away
  16. 1.82 km WNW of Navy Yard City, Washington · 14971 days ago · 13 km deep · 19 km away
  17. 2.43 km NW of Burien, Washington · 14969 days ago · 23 km deep · 29 km away
  18. 2.02 km NW of Burien, Washington · 14969 days ago · 22 km deep · 30 km away
  19. 1.6Washington · 14969 days ago · 27 km deep · 87 km away
  20. 1.83 km SSW of Swede Heaven, Washington · 14968 days ago · 2 km deep · 87 km away
  21. 2.117 km ESE of Carbonado, Washington · 14967 days ago · 16 km deep · 96 km away
  22. 2.87 km N of Quilcene, Washington · 14960 days ago · 20 km deep · 29 km away
  23. 2.07 km WNW of Gorst, Washington · 14957 days ago · 21 km deep · 25 km away
  24. 1.94 km E of Granite Falls, Washington · 14954 days ago · -1 km deep · 65 km away
  25. 2.70 km ENE of Riverbend, Washington · 14952 days ago · 15 km deep · 69 km away
  26. 2.69 km W of Belfair, Washington · 14950 days ago · 15 km deep · 41 km away
  27. 2.33 km ENE of Oak Harbor, Washington · 14944 days ago · 21 km deep · 66 km away
  28. 1.62 km ENE of Keyport, Washington · 14941 days ago · 16 km deep · 0 km away
  29. 1.84 km WSW of Wilderness Rim, Washington · 14940 days ago · 15 km deep · 65 km away

Before

  1. 1.81 km NNE of Port Townsend, Washington · 14997 days ago · 20 km deep · 48 km away
  2. 1.51 km ESE of Keyport, Washington · 14997 days ago · 23 km deep · 3 km away
  3. 1.55 km SSE of Edison, Washington · 15002 days ago · 15 km deep · 90 km away
  4. 1.54 km N of Seattle, Washington · 15004 days ago · 21 km deep · 20 km away
  5. 1.83 km NNW of Seabeck, Washington · 15006 days ago · 50 km deep · 20 km away
  6. 1.612 km ESE of Enumclaw, Washington · 15009 days ago · 1 km deep · 84 km away
  7. 1.61 km NW of Lake Roesiger, Washington · 15010 days ago · 12 km deep · 57 km away
  8. 1.72 km SSE of Crocker, Washington · 15014 days ago · 0 km deep · 81 km away
  9. 1.6Puget Sound region, Washington · 15020 days ago · 0 km deep · 83 km away
  10. 1.54 km SW of Swede Heaven, Washington · 15022 days ago · 4 km deep · 85 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10191973. Read Tue, Sep 22, 2026, 9:35 AM UTC.