Washington earthquakes

M2.2 earthquake 5 km SSE of Seabeck, Washington

A magnitude 2.2 earthquake struck 5 km SSE of Seabeck, Washington on Wed, Jul 13, 1977, 11:45 AM PDT (18:45 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M3.7 5 km NW of Port Hadlock-Irondale, Washington. This one was a foreshock.

Seabeck 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
2.2 (md), micro
Local time
UTC
1977-07-13 18:45:36 UTC
Depth
11.5 km (7.2 mi), shallow
Epicenter
47.596° N, 122.789° 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 0.6 km horizontally, 0.8 km in depth
Depth from
From location
Station coverage gap
143°
Stations used
12

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 16 in the 30 days before it.

After

  1. 1.711 km SE of Carbonado, Washington · 17975 days ago · 5 km deep · 91 km away
  2. 3.34 km N of Duvall, Washington · 17973 days ago · 23 km deep · 64 km away
  3. 2.34 km SW of Orting, Washington · 17970 days ago · 0 km deep · 72 km away
  4. 1.92 km ESE of Belfair, Washington · 17970 days ago · -1 km deep · 17 km away
  5. 1.53 km ESE of Fall City, Washington · 17968 days ago · 19 km deep · 71 km away
  6. 2.52 km WNW of Clearview, Washington · 17968 days ago · 55 km deep · 55 km away
  7. 1.73 km WSW of Rosedale, Washington · 17968 days ago · 19 km deep · 32 km away
  8. 2.02 km W of Artondale, Washington · 17966 days ago · 20 km deep · 34 km away
  9. 1.80 km WNW of Normandy Park, Washington · 17964 days ago · 16 km deep · 38 km away
  10. 3.75 km NW of Port Hadlock-Irondale, Washington · 17963 days ago · 53 km deep · 52 km away
  11. 2.02 km NNE of Duvall, Washington · 17957 days ago · 19 km deep · 64 km away
  12. 1.65 km S of Gorst, Washington · 17956 days ago · 22 km deep · 15 km away
  13. 2.13 km SSW of Redmond, Washington · 17954 days ago · 0 km deep · 49 km away
  14. 2.70 km W of Alderwood Manor, Washington · 17953 days ago · 14 km deep · 45 km away
  15. 1.51 km NNE of Lynnwood, Washington · 17952 days ago · 2 km deep · 45 km away
  16. 1.74 km NE of Kingston, Washington · 17950 days ago · 18 km deep · 36 km away
  17. 1.55 km NNW of Port Townsend, Washington · 17948 days ago · 20 km deep · 63 km away
  18. 1.52 km NNE of Bonney Lake, Washington · 17947 days ago · 12 km deep · 64 km away
  19. 1.71 km WNW of Mountlake Terrace, Washington · 17944 days ago · 14 km deep · 41 km away
  20. 1.75 km NNW of Belfair, Washington · 17944 days ago · 22 km deep · 12 km away
  21. 2.43 km S of Woods Creek, Washington · 17940 days ago · 2 km deep · 72 km away
  22. 2.05 km N of Arlington Heights, Washington · 17938 days ago · 0 km deep · 90 km away
  23. 2.36 km SE of Marrowstone, Washington · 17937 days ago · 21 km deep · 47 km away
  24. 1.917 km SE of Carbonado, Washington · 17933 days ago · 9 km deep · 97 km away
  25. 1.52 km NW of Snoqualmie, Washington · 17930 days ago · 25 km deep · 71 km away
  26. 1.72 km ENE of Union Hill-Novelty Hill, Washington · 17924 days ago · 23 km deep · 61 km away
  27. 1.74 km NW of Federal Way, Washington · 17921 days ago · 22 km deep · 43 km away
  28. 3.46 km SSE of Bucoda, Washington · 17919 days ago · 6 km deep · 94 km away

Before

  1. 2.710 km NE of Snoqualmie, Washington · 17976 days ago · 7 km deep · 80 km away
  2. 1.56 km NNE of Duvall, Washington · 17977 days ago · 24 km deep · 66 km away
  3. 1.910 km WSW of Porter, Washington · 17987 days ago · 0 km deep · 92 km away
  4. 2.10 km SSE of Bryant, Washington · 17988 days ago · 0 km deep · 85 km away
  5. 1.71 km NNE of Bonney Lake, Washington · 17994 days ago · 14 km deep · 64 km away
  6. 2.011 km WSW of Porter, Washington · 17996 days ago · 0 km deep · 93 km away
  7. 1.56 km WNW of Belfair, Washington · 17996 days ago · 18 km deep · 16 km away
  8. 1.83 km NNE of Bonney Lake, Washington · 17996 days ago · 7 km deep · 64 km away
  9. 1.52 km W of Mercer Island, Washington · 17996 days ago · 0 km deep · 40 km away
  10. 1.510 km NW of Belfair, Washington · 17999 days ago · 24 km deep · 13 km away
  11. 2.13 km N of Bonney Lake, Washington · 17999 days ago · 2 km deep · 63 km away
  12. 2.318 km ESE of Carbonado, Washington · 17999 days ago · -1 km deep · 98 km away
  13. 2.81 km NNW of Wauna, Washington · 18000 days ago · 44 km deep · 25 km away
  14. 2.04 km WNW of Northwest Stanwood, Washington · 18001 days ago · 21 km deep · 81 km away
  15. 4.04 km N of Bangor Trident Base, Washington · 18002 days ago · 19 km deep · 19 km away
  16. 1.80 km N of Normandy Park, Washington · 18005 days ago · 18 km deep · 38 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10844078. Read Tue, Sep 29, 2026, 11:33 PM UTC.