Washington earthquakes

M2.4 earthquake 1 km NE of Shoreline, Washington

A magnitude 2.4 earthquake struck 1 km NE of Shoreline, Washington on Sat, Sep 15, 1973, 6:00 PM PDT (01:00 UTC), 23 km (15 mi) below the surface.

A larger quake followed: M2.8 0 km N of Seattle, Washington. This one was a foreshock.

Shoreline 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
2.4 (md), micro
Local time
UTC
1973-09-16 01:00:30 UTC
Depth
23.5 km (14.6 mi), shallow
Epicenter
47.768° N, 122.327° 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 0.0 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
99°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 72 in the 60 days after this one and 33 in the 30 days before it.

After

  1. 2.011 km SW of Seabeck, Washington · 19364 days ago · 9 km deep · 51 km away
  2. 1.54 km SW of Seattle, Washington · 19362 days ago · 0 km deep · 21 km away
  3. 2.29 km ENE of Snoqualmie, Washington · 19358 days ago · 81 km deep · 51 km away
  4. 1.91 km ENE of Seattle, Washington · 19354 days ago · 0 km deep · 18 km away
  5. 2.40 km NE of Seattle, Washington · 19354 days ago · 0 km deep · 18 km away
  6. 2.80 km N of Seattle, Washington · 19354 days ago · -1 km deep · 17 km away
  7. 2.32 km ESE of Seattle, Washington · 19353 days ago · -1 km deep · 19 km away
  8. 2.00 km NNW of Seattle, Washington · 19353 days ago · 0 km deep · 18 km away
  9. 1.60 km E of Seattle, Washington · 19353 days ago · 1 km deep · 18 km away
  10. 1.71 km E of Seattle, Washington · 19353 days ago · 1 km deep · 18 km away
  11. 1.6Puget Sound region, Washington · 19353 days ago · -1 km deep · 18 km away
  12. 2.22 km N of Seattle, Washington · 19352 days ago · -1 km deep · 16 km away
  13. 1.70 km E of Seattle, Washington · 19352 days ago · -1 km deep · 18 km away
  14. 2.11 km SSE of Seattle, Washington · 19351 days ago · 1 km deep · 20 km away
  15. 1.55 km SSW of Woodway, Washington · 19351 days ago · 16 km deep · 7 km away
  16. 1.67 km NNE of Port Ludlow, Washington · 19351 days ago · 4 km deep · 34 km away
  17. 1.73 km SW of Seattle, Washington · 19351 days ago · 0 km deep · 21 km away
  18. 1.710 km SSE of Port Angeles East, Washington · 19350 days ago · 46 km deep · 78 km away
  19. 1.61 km NNW of Hansville, Washington · 19349 days ago · 20 km deep · 25 km away
  20. 1.70 km NE of Seattle, Washington · 19348 days ago · 1 km deep · 18 km away
  21. 1.78 km SE of Oak Bay, Canada · 19347 days ago · 22 km deep · 97 km away
  22. 2.84 km N of Hansville, Washington · 19345 days ago · 23 km deep · 27 km away
  23. 1.72 km W of Medina, Washington · 19345 days ago · 0 km deep · 18 km away
  24. 1.64 km WSW of Wilderness Rim, Washington · 19345 days ago · 18 km deep · 52 km away
  25. 1.61 km ENE of Indianola, Washington · 19345 days ago · 13 km deep · 14 km away
  26. 2.00 km SW of Seattle, Washington · 19343 days ago · 1 km deep · 18 km away
  27. 1.91 km NNW of Seattle, Washington · 19343 days ago · -1 km deep · 17 km away
  28. 3.3Puget Sound region, Washington · 19343 days ago · 2 km deep · 18 km away
  29. 1.72 km SSW of Seattle, Washington · 19343 days ago · 0 km deep · 21 km away
  30. 1.54 km SE of Bainbridge Island, Washington · 19343 days ago · 3 km deep · 22 km away
  31. 1.9Puget Sound region, Washington · 19343 days ago · 1 km deep · 15 km away
  32. 2.81 km NW of Seattle, Washington · 19343 days ago · -1 km deep · 17 km away
  33. 2.43 km W of Medina, Washington · 19342 days ago · 2 km deep · 17 km away
  34. 2.52 km W of Medina, Washington · 19342 days ago · -1 km deep · 17 km away
  35. 1.71 km W of Medina, Washington · 19342 days ago · -1 km deep · 17 km away
  36. 1.82 km WNW of Medina, Washington · 19342 days ago · -1 km deep · 17 km away
  37. 1.80 km WNW of Medina, Washington · 19342 days ago · -1 km deep · 17 km away
  38. 1.64 km W of Medina, Washington · 19342 days ago · 0 km deep · 17 km away
  39. 2.82 km W of Medina, Washington · 19342 days ago · 4 km deep · 17 km away
  40. 1.71 km SW of Seattle, Washington · 19341 days ago · 1 km deep · 19 km away
  41. 2.31 km ESE of Seattle, Washington · 19341 days ago · 1 km deep · 19 km away
  42. 1.66 km SW of Woodway, Washington · 19340 days ago · 21 km deep · 9 km away
  43. 2.50 km NNW of Seattle, Washington · 19340 days ago · -1 km deep · 18 km away
  44. 1.56 km WNW of Shelton, Washington · 19340 days ago · 12 km deep · 87 km away
  45. 1.70 km SE of Seattle, Washington · 19340 days ago · 1 km deep · 18 km away
  46. 2.81 km ENE of Seattle, Washington · 19338 days ago · 2 km deep · 17 km away
  47. 2.60 km ENE of Seattle, Washington · 19338 days ago · 1 km deep · 18 km away
  48. 1.85 km NNW of White Center, Washington · 19337 days ago · 0 km deep · 23 km away
  49. 1.64 km S of Lake Cavanaugh, Washington · 19336 days ago · 13 km deep · 62 km away
  50. 1.65 km SW of Seattle, Washington · 19335 days ago · 1 km deep · 22 km away
  51. 1.63 km SE of Seattle, Washington · 19333 days ago · 1 km deep · 21 km away
  52. 1.57 km WNW of Gorst, Washington · 19331 days ago · 20 km deep · 42 km away
  53. 1.51 km SE of Seattle, Washington · 19331 days ago · -1 km deep · 19 km away
  54. 1.90 km NE of Seattle, Washington · 19331 days ago · 0 km deep · 17 km away
  55. 1.92 km NNE of Normandy Park, Washington · 19329 days ago · 19 km deep · 35 km away
  56. 1.50 km N of Seattle, Washington · 19327 days ago · 1 km deep · 18 km away
  57. 2.60 km NNE of Seattle, Washington · 19325 days ago · 0 km deep · 17 km away
  58. 1.76 km E of Issaquah, Washington · 19325 days ago · 10 km deep · 39 km away
  59. 2.10 km NNE of Seattle, Washington · 19320 days ago · 1 km deep · 18 km away
  60. 1.814 km E of Carnation, Washington · 19318 days ago · 8 km deep · 47 km away

The first 60 of 72.

Before

  1. 2.116 km W of Quilcene, Washington · 19365 days ago · 45 km deep · 58 km away
  2. 1.66 km WSW of Seattle, Washington · 19366 days ago · -1 km deep · 21 km away
  3. 1.55 km N of Marrowstone, Washington · 19366 days ago · 24 km deep · 45 km away
  4. 1.62 km NNE of Dash Point, Washington · 19368 days ago · 4 km deep · 48 km away
  5. 1.73 km ENE of Mirrormont, Washington · 19368 days ago · 23 km deep · 43 km away
  6. 1.91 km ESE of Enetai, Washington · 19372 days ago · 20 km deep · 28 km away
  7. 2.70 km ENE of Enetai, Washington · 19372 days ago · 20 km deep · 28 km away
  8. 1.81 km SE of Enetai, Washington · 19372 days ago · 20 km deep · 29 km away
  9. 2.80 km NNE of Enetai, Washington · 19372 days ago · 20 km deep · 28 km away
  10. 2.44 km NW of Swede Heaven, Washington · 19375 days ago · -1 km deep · 74 km away
  11. 1.95 km WSW of Seattle, Washington · 19375 days ago · 1 km deep · 21 km away
  12. 2.15 km ESE of Port Townsend, Washington · 19375 days ago · 59 km deep · 46 km away
  13. 3.727 km E of Darrington, Washington · 19376 days ago · 4 km deep · 97 km away
  14. 2.311 km SW of Concrete, Washington · 19376 days ago · 0 km deep · 84 km away
  15. 1.63 km WNW of Seattle, Washington · 19377 days ago · -1 km deep · 17 km away
  16. 2.02 km WNW of Seattle, Washington · 19378 days ago · -1 km deep · 18 km away
  17. 1.83 km NNE of Seattle, Washington · 19378 days ago · -1 km deep · 14 km away
  18. 2.012 km SE of Hamilton, Washington · 19378 days ago · -1 km deep · 81 km away
  19. 1.53 km NNW of Seattle, Washington · 19379 days ago · 0 km deep · 15 km away
  20. 1.90 km ENE of Seattle, Washington · 19379 days ago · 1 km deep · 18 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10857103. Read Tue, Sep 22, 2026, 9:16 AM UTC.