Washington earthquakes

M1.7 earthquake 0 km E of Port Townsend, Washington

A magnitude 1.7 earthquake struck 0 km E of Port Townsend, Washington on Sat, Feb 26, 1983, 4:11 PM PST (00:11 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M2.2 5 km N of Startup, Washington. This one was a foreshock.

Port Townsend 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
1.7 (md), micro
Local time
UTC
1983-02-27 00:11:35 UTC
Depth
18.8 km (11.7 mi), shallow
Epicenter
48.117° N, 122.751° 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 0.1 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.14
Depth from
Operator assigned
Station coverage gap
121°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 46 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 2.25 km N of Startup, Washington · 15913 days ago · 5 km deep · 78 km away
  2. 1.52 km ESE of Lake Cavanaugh, Washington · 15912 days ago · -1 km deep · 60 km away
  3. 2.92 km W of Fall City, Washington · 15909 days ago · 2 km deep · 87 km away
  4. 1.917 km NE of May Creek, Washington · 15909 days ago · 6 km deep · 92 km away
  5. 1.95 km NNW of Friday Harbor, Washington · 15907 days ago · 52 km deep · 56 km away
  6. 1.87 km SE of Deming, Washington · 15906 days ago · -1 km deep · 87 km away
  7. 1.65 km N of North Sultan, Washington · 15906 days ago · 12 km deep · 73 km away
  8. 2.04 km NNW of Fall City, Washington · 15903 days ago · 12 km deep · 85 km away
  9. 1.81 km WNW of City of Sammamish, Washington · 15902 days ago · 6 km deep · 77 km away
  10. 2.013 km E of Verlot, Washington · 15901 days ago · 4 km deep · 86 km away
  11. 2.53 km NNW of Gorst, Washington · 15901 days ago · -1 km deep · 63 km away
  12. 2.22 km E of Mount Vernon, Washington · 15901 days ago · 14 km deep · 48 km away
  13. 2.34 km ESE of Cathcart, Washington · 15900 days ago · 17 km deep · 62 km away
  14. 2.01 km ESE of Clyde Hill, Washington · 15896 days ago · 24 km deep · 68 km away
  15. 2.35 km WNW of Meadowdale, Washington · 15894 days ago · 15 km deep · 38 km away
  16. 2.11 km S of Lake Marcel-Stillwater, Washington · 15888 days ago · 12 km deep · 79 km away
  17. 2.25 km WNW of Orcas, Washington · 15887 days ago · 15 km deep · 59 km away
  18. 1.76 km SW of Hansville, Washington · 15885 days ago · 18 km deep · 28 km away
  19. 2.33 km WNW of La Conner, Washington · 15884 days ago · 18 km deep · 35 km away
  20. 1.61 km N of Ames Lake, Washington · 15882 days ago · 69 km deep · 79 km away
  21. 2.710 km NNE of Snoqualmie, Washington · 15879 days ago · 12 km deep · 93 km away
  22. 1.80 km E of Clyde Hill, Washington · 15878 days ago · 23 km deep · 67 km away
  23. 1.71 km S of Bay View, Washington · 15878 days ago · 16 km deep · 44 km away
  24. 1.93 km NW of Rockport, Washington · 15877 days ago · -1 km deep · 94 km away
  25. 1.76 km SW of Hansville, Washington · 15876 days ago · 16 km deep · 28 km away
  26. 1.97 km NE of North Bend, Washington · 15875 days ago · -1 km deep · 99 km away
  27. 2.715 km NW of Port Townsend, Washington · 15875 days ago · 42 km deep · 16 km away
  28. 1.82 km NNW of Lake Roesiger, Washington · 15874 days ago · 3 km deep · 61 km away
  29. 1.76 km NE of Lofall, Washington · 15874 days ago · 21 km deep · 31 km away
  30. 1.95 km S of Monroe, Washington · 15874 days ago · -1 km deep · 67 km away
  31. 1.71 km S of Lakeland North, Washington · 15873 days ago · 1 km deep · 95 km away
  32. 1.76 km S of Anacortes, Washington · 15872 days ago · 24 km deep · 39 km away
  33. 1.74 km SW of Seattle, Washington · 15871 days ago · 24 km deep · 66 km away
  34. 1.51 km WSW of Woodway, Washington · 15868 days ago · 18 km deep · 45 km away
  35. 1.810 km S of Darrington, Washington · 15865 days ago · 7 km deep · 85 km away
  36. 1.719 km NW of Orcas, Washington · 15864 days ago · 56 km deep · 74 km away
  37. 2.18 km WSW of White Rock, Canada · 15862 days ago · 15 km deep · 97 km away
  38. 1.94 km NE of Camano, Washington · 15861 days ago · 22 km deep · 21 km away
  39. 1.60 km NNE of Bothell West, Washington · 15860 days ago · 24 km deep · 51 km away
  40. 2.23 km S of Bay View, Washington · 15860 days ago · 11 km deep · 42 km away
  41. 2.012 km S of Glacier, Washington · 15859 days ago · -1 km deep · 96 km away
  42. 1.81 km NW of Silver Firs, Washington · 15858 days ago · 22 km deep · 51 km away
  43. 2.55 km NNE of Lake McMurray, Washington · 15856 days ago · 17 km deep · 49 km away
  44. 1.85 km NE of Lake McMurray, Washington · 15856 days ago · 15 km deep · 50 km away
  45. 1.74 km N of Quilcene, Washington · 15854 days ago · 5 km deep · 30 km away
  46. 2.79 km W of Gorst, Washington · 15854 days ago · 20 km deep · 64 km away

Before

  1. 1.63 km NW of White Center, Washington · 15916 days ago · 17 km deep · 69 km away
  2. 2.11 km NW of Lake Roesiger, Washington · 15917 days ago · 15 km deep · 62 km away
  3. 2.00 km WNW of Lake Roesiger, Washington · 15918 days ago · 14 km deep · 62 km away
  4. 2.016 km WSW of Quilcene, Washington · 15919 days ago · 44 km deep · 46 km away
  5. 1.85 km SW of Erlands Point-Kitsap Lake, Washington · 15919 days ago · -1 km deep · 62 km away
  6. 1.73 km ENE of Granite Falls, Washington · 15920 days ago · -1 km deep · 61 km away
  7. 2.427 km NW of Hoodsport, Washington · 15921 days ago · 41 km deep · 81 km away
  8. 1.74 km W of Vashon, Washington · 15925 days ago · 50 km deep · 76 km away
  9. 1.716 km NE of May Creek, Washington · 15929 days ago · 7 km deep · 92 km away
  10. 1.93 km ENE of Snoqualmie, Washington · 15931 days ago · 16 km deep · 96 km away
  11. 2.01 km SW of Port Orchard, Washington · 15934 days ago · 21 km deep · 65 km away
  12. 1.51 km WSW of Echo Lake, Washington · 15935 days ago · 21 km deep · 64 km away
  13. 1.64 km SSW of Des Moines, Washington · 15939 days ago · 13 km deep · 89 km away
  14. 1.74 km S of Seattle, Washington · 15939 days ago · 17 km deep · 69 km away
  15. 1.913 km ENE of Verlot, Washington · 15940 days ago · 8 km deep · 85 km away
  16. 1.87 km E of Oak Harbor, Washington · 15940 days ago · 18 km deep · 25 km away
  17. 1.75 km ENE of Snoqualmie, Washington · 15941 days ago · 13 km deep · 98 km away
  18. 1.70 km ENE of Clyde Hill, Washington · 15942 days ago · 24 km deep · 67 km away
  19. 1.55 km SW of Clinton, Washington · 15942 days ago · 26 km deep · 33 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10153448. Read Tue, Sep 22, 2026, 10:30 PM UTC.