Washington earthquakes

M1.6 earthquake 5 km S of Gorst, Washington

A magnitude 1.6 earthquake struck 5 km S of Gorst, Washington on Tue, Aug 2, 1977, 3:51 AM PDT (10:51 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M2.1 3 km SSW of Redmond, Washington. This one was a foreshock.

Gorst forecastMore in Washington

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (md), micro
Local time
UTC
1977-08-02 10:51:37 UTC
Depth
22.5 km (14.0 mi), shallow
Epicenter
47.474° N, 122.716° 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, 0.6 km in depth
Depth from
From location
Station coverage gap
77°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 30 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 2.13 km SSW of Redmond, Washington · 17946 days ago · 0 km deep · 47 km away
  2. 2.70 km W of Alderwood Manor, Washington · 17945 days ago · 14 km deep · 50 km away
  3. 1.51 km NNE of Lynnwood, Washington · 17945 days ago · 2 km deep · 50 km away
  4. 1.55 km SE of Mineral, Washington · 17943 days ago · 19 km deep · 98 km away
  5. 1.74 km NE of Kingston, Washington · 17942 days ago · 18 km deep · 44 km away
  6. 1.55 km NNW of Port Townsend, Washington · 17940 days ago · 20 km deep · 76 km away
  7. 1.52 km NNE of Bonney Lake, Washington · 17939 days ago · 12 km deep · 51 km away
  8. 1.71 km WNW of Mountlake Terrace, Washington · 17937 days ago · 14 km deep · 46 km away
  9. 1.75 km NNW of Belfair, Washington · 17936 days ago · 22 km deep · 10 km away
  10. 2.43 km S of Woods Creek, Washington · 17932 days ago · 2 km deep · 74 km away
  11. 2.05 km N of Arlington Heights, Washington · 17931 days ago · 0 km deep · 99 km away
  12. 2.36 km SE of Marrowstone, Washington · 17930 days ago · 21 km deep · 60 km away
  13. 1.917 km SE of Carbonado, Washington · 17925 days ago · 9 km deep · 84 km away
  14. 1.717 km S of Skykomish, Washington · 17924 days ago · 3 km deep · 100 km away
  15. 1.515 km NNE of Ashford, Washington · 17924 days ago · 15 km deep · 88 km away
  16. 1.52 km NW of Snoqualmie, Washington · 17922 days ago · 25 km deep · 66 km away
  17. 1.72 km ENE of Union Hill-Novelty Hill, Washington · 17916 days ago · 23 km deep · 59 km away
  18. 1.74 km NW of Federal Way, Washington · 17914 days ago · 22 km deep · 31 km away
  19. 3.46 km SSE of Bucoda, Washington · 17912 days ago · 6 km deep · 81 km away
  20. 2.115 km NNE of Ashford, Washington · 17910 days ago · -1 km deep · 89 km away
  21. 1.56 km ESE of Lake Marcel-Stillwater, Washington · 17906 days ago · 16 km deep · 70 km away
  22. 2.27 km W of Coupeville, Washington · 17905 days ago · 18 km deep · 82 km away
  23. 2.06 km N of Mossyrock, Washington · 17902 days ago · 23 km deep · 100 km away
  24. 2.18 km NNE of Mossyrock, Washington · 17901 days ago · 20 km deep · 99 km away
  25. 1.74 km NE of North Bend, Washington · 17898 days ago · -1 km deep · 73 km away
  26. 1.63 km NE of Bonney Lake, Washington · 17897 days ago · 15 km deep · 52 km away
  27. 1.96 km E of Arlington Heights, Washington · 17895 days ago · 18 km deep · 97 km away
  28. 1.915 km NNE of Ashford, Washington · 17894 days ago · 4 km deep · 88 km away
  29. 1.914 km E of Wilkeson, Washington · 17889 days ago · 7 km deep · 78 km away
  30. 1.56 km SSW of Hansville, Washington · 17888 days ago · 15 km deep · 45 km away

Before

  1. 2.02 km NNE of Duvall, Washington · 17950 days ago · 19 km deep · 64 km away
  2. 2.013 km ENE of Ashford, Washington · 17950 days ago · 2 km deep · 96 km away
  3. 3.75 km NW of Port Hadlock-Irondale, Washington · 17956 days ago · 53 km deep · 66 km away
  4. 1.80 km WNW of Normandy Park, Washington · 17956 days ago · 16 km deep · 28 km away
  5. 2.02 km W of Artondale, Washington · 17958 days ago · 20 km deep · 20 km away
  6. 1.73 km WSW of Rosedale, Washington · 17960 days ago · 19 km deep · 17 km away
  7. 2.52 km WNW of Clearview, Washington · 17961 days ago · 55 km deep · 59 km away
  8. 1.53 km ESE of Fall City, Washington · 17961 days ago · 19 km deep · 66 km away
  9. 1.92 km ESE of Belfair, Washington · 17962 days ago · -1 km deep · 7 km away
  10. 2.34 km SW of Orting, Washington · 17963 days ago · 0 km deep · 58 km away
  11. 3.34 km N of Duvall, Washington · 17966 days ago · 23 km deep · 65 km away
  12. 1.711 km SE of Carbonado, Washington · 17968 days ago · 5 km deep · 77 km away
  13. 2.25 km SSE of Seabeck, Washington · 17968 days ago · 12 km deep · 15 km away
  14. 2.710 km NE of Snoqualmie, Washington · 17968 days ago · 7 km deep · 76 km away
  15. 1.56 km NNE of Duvall, Washington · 17970 days ago · 24 km deep · 67 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10844278. Read Tue, Sep 22, 2026, 3:57 PM UTC.