Washington earthquakes

M2.4 earthquake 3 km NW of Burien, Washington

A magnitude 2.4 earthquake struck 3 km NW of Burien, Washington on Sat, Sep 28, 1985, 2:49 AM PDT (09:49 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M2.8 7 km N of Quilcene, 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
2.4 (md), micro
Local time
UTC
1985-09-28 09:49:57 UTC
Depth
23.1 km (14.4 mi), shallow
Epicenter
47.489° N, 122.379° 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 0.4 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
40°
Stations used
39

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 2.02 km NW of Burien, Washington · 14969 days ago · 22 km deep · 0 km away
  2. 1.83 km SSW of Swede Heaven, Washington · 14968 days ago · 2 km deep · 97 km away
  3. 2.117 km ESE of Carbonado, Washington · 14967 days ago · 16 km deep · 67 km away
  4. 1.5Washington · 14964 days ago · -1 km deep · 84 km away
  5. 2.87 km N of Quilcene, Washington · 14960 days ago · 20 km deep · 58 km away
  6. 2.07 km WNW of Gorst, Washington · 14957 days ago · 21 km deep · 32 km away
  7. 1.94 km E of Granite Falls, Washington · 14954 days ago · -1 km deep · 75 km away
  8. 2.70 km ENE of Riverbend, Washington · 14952 days ago · 15 km deep · 48 km away
  9. 2.69 km W of Belfair, Washington · 14950 days ago · 15 km deep · 44 km away
  10. 2.33 km ENE of Oak Harbor, Washington · 14944 days ago · 21 km deep · 93 km away
  11. 1.810 km ESE of Ashford, Washington · 14942 days ago · 2 km deep · 93 km away
  12. 1.62 km ENE of Keyport, Washington · 14941 days ago · 16 km deep · 29 km away
  13. 1.84 km WSW of Wilderness Rim, Washington · 14940 days ago · 15 km deep · 42 km away
  14. 2.62 km ESE of Silverdale, Washington · 14933 days ago · 20 km deep · 27 km away
  15. 2.013 km NNW of Morton, Washington · 14932 days ago · 17 km deep · 92 km away
  16. 2.23 km SW of Swede Heaven, Washington · 14932 days ago · 2 km deep · 97 km away
  17. 1.58 km NW of Greenwater, Washington · 14931 days ago · -1 km deep · 58 km away
  18. 2.51 km NNE of Klahanie, Washington · 14930 days ago · 6 km deep · 31 km away
  19. 2.313 km NE of Ashford, Washington · 14929 days ago · 7 km deep · 78 km away
  20. 2.726 km E of Neilton, Washington · 14921 days ago · 41 km deep · 87 km away
  21. 2.68 km ESE of Verlot, Washington · 14913 days ago · 5 km deep · 84 km away
  22. 2.37 km ESE of Riverbend, Washington · 14909 days ago · 11 km deep · 55 km away

Before

  1. 1.82 km WNW of Navy Yard City, Washington · 14971 days ago · 13 km deep · 25 km away
  2. 2.23 km S of Issaquah, Washington · 14972 days ago · 0 km deep · 27 km away
  3. 1.53 km S of Monroe, Washington · 14972 days ago · -1 km deep · 48 km away
  4. 2.63 km NW of Redmond, Washington · 14974 days ago · 8 km deep · 29 km away
  5. 2.03 km SSE of Issaquah, Washington · 14977 days ago · -1 km deep · 27 km away
  6. 1.51 km NNW of Freeland, Washington · 14977 days ago · 18 km deep · 60 km away
  7. 1.85 km E of Hobart, Washington · 14981 days ago · 10 km deep · 37 km away
  8. 3.04 km WSW of Des Moines, Washington · 14983 days ago · 19 km deep · 11 km away
  9. 1.812 km W of Greenwater, Washington · 14984 days ago · 14 km deep · 56 km away
  10. 2.526 km SE of Neilton, Washington · 14986 days ago · 1 km deep · 94 km away
  11. 2.37 km SSE of Carbonado, Washington · 14986 days ago · 14 km deep · 59 km away
  12. 1.52 km SW of Des Moines, Washington · 14987 days ago · 15 km deep · 12 km away
  13. 2.52 km SW of Des Moines, Washington · 14987 days ago · 14 km deep · 12 km away
  14. 1.65 km NNW of Maplewood, Washington · 14988 days ago · 17 km deep · 16 km away
  15. 1.813 km ESE of Ashford, Washington · 14992 days ago · -1 km deep · 94 km away
  16. 2.32 km ENE of Keyport, Washington · 14994 days ago · 19 km deep · 29 km away
  17. 1.81 km NNE of Port Townsend, Washington · 14997 days ago · 20 km deep · 76 km away
  18. 1.51 km ESE of Keyport, Washington · 14997 days ago · 23 km deep · 28 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10196443. Read Tue, Sep 22, 2026, 9:35 AM UTC.