Washington earthquakes

M1.8 earthquake 3 km E of Keyport, Washington

A magnitude 1.8 earthquake struck 3 km E of Keyport, Washington on Tue, Aug 12, 1975, 10:30 PM PDT (05:30 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M1.9 15 km SSW of Blyn, Washington. This one was a foreshock.

Keyport 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
1.8 (md), micro
Local time
UTC
1975-08-13 05:30:24 UTC
Depth
14.9 km (9.3 mi), shallow
Epicenter
47.706° N, 122.581° 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 0.7 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
88°
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 9 in the 30 days before it.

After

  1. 1.53 km NW of Chico, Washington · 18668 days ago · 8 km deep · 14 km away
  2. 1.74 km NW of Oso, Washington · 18668 days ago · 8 km deep · 79 km away
  3. 1.59 km SSW of Seabeck, Washington · 18665 days ago · 14 km deep · 28 km away
  4. 1.915 km SSW of Blyn, Washington · 18659 days ago · 39 km deep · 46 km away
  5. 2.42 km W of Fall City, Washington · 18659 days ago · 5 km deep · 52 km away
  6. 2.22 km N of Union Hill-Novelty Hill, Washington · 18658 days ago · 18 km deep · 41 km away
  7. 3.06 km N of Olympia, Washington · 18657 days ago · 43 km deep · 72 km away
  8. 2.04 km WSW of Snoqualmie, Washington · 18656 days ago · 22 km deep · 57 km away
  9. 2.36 km E of Marrowstone, Washington · 18656 days ago · 24 km deep · 38 km away
  10. 2.36 km SSE of Baring, Washington · 18655 days ago · 15 km deep · 84 km away
  11. 2.14 km NE of Carnation, Washington · 18655 days ago · 9 km deep · 53 km away
  12. 2.02 km SW of Snoqualmie, Washington · 18654 days ago · -1 km deep · 59 km away
  13. 1.613 km NNE of Greenwater, Washington · 18652 days ago · 16 km deep · 88 km away
  14. 2.53 km N of Kingston, Washington · 18651 days ago · 23 km deep · 15 km away
  15. 2.24 km SSW of Snoqualmie, Washington · 18648 days ago · 14 km deep · 60 km away
  16. 2.61 km WNW of Crocker, Washington · 18648 days ago · 7 km deep · 77 km away
  17. 2.81 km NNE of Ravensdale, Washington · 18647 days ago · -1 km deep · 59 km away
  18. 2.68 km W of Gorst, Washington · 18644 days ago · 21 km deep · 26 km away
  19. 2.61 km WNW of Mirrormont, Washington · 18642 days ago · 11 km deep · 50 km away
  20. 2.02 km SW of Lake Forest Park, Washington · 18641 days ago · 14 km deep · 21 km away
  21. 1.92 km WNW of Bryn Mawr-Skyway, Washington · 18640 days ago · 24 km deep · 32 km away
  22. 2.00 km NNE of Bellevue, Washington · 18640 days ago · 16 km deep · 30 km away
  23. 2.03 km WSW of Woodway, Washington · 18640 days ago · 11 km deep · 15 km away
  24. 1.83 km SSE of La Conner, Washington · 18638 days ago · -1 km deep · 73 km away
  25. 2.56 km WSW of Lake Cavanaugh, Washington · 18635 days ago · 3 km deep · 76 km away
  26. 1.98 km W of Snoqualmie Pass, Washington · 18634 days ago · 12 km deep · 88 km away
  27. 1.51 km NNW of Tukwila, Washington · 18634 days ago · 23 km deep · 34 km away
  28. 2.66 km WSW of Lake Cavanaugh, Washington · 18634 days ago · 7 km deep · 75 km away
  29. 2.06 km SW of Lake Cavanaugh, Washington · 18634 days ago · 11 km deep · 74 km away
  30. 1.96 km WSW of Lake Cavanaugh, Washington · 18633 days ago · 9 km deep · 75 km away
  31. 1.74 km NNE of Ravensdale, Washington · 18633 days ago · 7 km deep · 59 km away
  32. 1.91 km NW of Mill Creek, Washington · 18632 days ago · 24 km deep · 33 km away
  33. 2.16 km WSW of Lake Cavanaugh, Washington · 18629 days ago · 2 km deep · 75 km away
  34. 3.56 km SW of Clinton, Washington · 18625 days ago · 26 km deep · 29 km away
  35. 1.74 km ENE of Swede Heaven, Washington · 18623 days ago · -1 km deep · 94 km away
  36. 1.83 km WNW of Snoqualmie Pass, Washington · 18622 days ago · 4 km deep · 92 km away
  37. 2.56 km SE of Oak Harbor, Washington · 18622 days ago · 17 km deep · 60 km away
  38. 1.65 km SE of Oak Harbor, Washington · 18621 days ago · 17 km deep · 62 km away
  39. 2.112 km SE of Verlot, Washington · 18620 days ago · 5 km deep · 79 km away
  40. 1.83 km S of Orcas, Washington · 18620 days ago · 3 km deep · 100 km away
  41. 2.015 km ESE of Verlot, Washington · 18619 days ago · 19 km deep · 82 km away
  42. 3.47 km WNW of Anacortes, Washington · 18617 days ago · 8 km deep · 94 km away
  43. 1.92 km ESE of Tanner, Washington · 18615 days ago · 5 km deep · 70 km away
  44. 2.50 km NNE of Erlands Point-Kitsap Lake, Washington · 18613 days ago · 19 km deep · 15 km away
  45. 3.13 km SE of Lake Roesiger, Washington · 18613 days ago · 17 km deep · 58 km away
  46. 2.83 km SSE of Lake Roesiger, Washington · 18612 days ago · 13 km deep · 57 km away

Before

  1. 1.93 km E of Keyport, Washington · 18669 days ago · 14 km deep · 0 km away
  2. 1.87 km NE of Brinnon, Washington · 18669 days ago · 14 km deep · 19 km away
  3. 1.82 km ESE of Silverdale, Washington · 18676 days ago · 21 km deep · 10 km away
  4. 1.82 km NNE of Bay View, Washington · 18679 days ago · 24 km deep · 89 km away
  5. 3.42 km NE of Dash Point, Washington · 18688 days ago · 7 km deep · 43 km away
  6. 1.84 km SSE of Monroe, Washington · 18692 days ago · 12 km deep · 48 km away
  7. 2.22 km S of Startup, Washington · 18692 days ago · -1 km deep · 65 km away
  8. 1.92 km ENE of Dash Point, Washington · 18698 days ago · 8 km deep · 44 km away
  9. 3.42 km E of Dash Point, Washington · 18698 days ago · 7 km deep · 45 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10861443. Read Tue, Sep 22, 2026, 10:26 AM UTC.