Washington earthquakes

M2.0 earthquake 12 km SE of Hamilton, Washington

A magnitude 2.0 earthquake struck 12 km SE of Hamilton, Washington on Sat, Sep 1, 1973, 3:29 PM PDT (22:29 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M2.3 11 km SW of Concrete, Washington. This one was a foreshock.

Concrete 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
2.0 (md), micro
Local time
UTC
1973-09-01 22:29:37 UTC
Depth
-0.9 km (-0.6 mi), shallow
Epicenter
48.435° N, 121.891° 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
177°
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: 60 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.83 km NNE of Seattle, Washington · 19378 days ago · -1 km deep · 94 km away
  2. 2.02 km WNW of Seattle, Washington · 19378 days ago · -1 km deep · 98 km away
  3. 1.63 km WNW of Seattle, Washington · 19377 days ago · -1 km deep · 98 km away
  4. 2.311 km SW of Concrete, Washington · 19376 days ago · 0 km deep · 4 km away
  5. 3.727 km E of Darrington, Washington · 19376 days ago · 4 km deep · 54 km away
  6. 2.15 km ESE of Port Townsend, Washington · 19375 days ago · 59 km deep · 69 km away
  7. 2.44 km NW of Swede Heaven, Washington · 19374 days ago · -1 km deep · 16 km away
  8. 1.85 km ESE of Nooksack, Washington · 19369 days ago · 15 km deep · 58 km away
  9. 2.45 km ESE of Nooksack, Washington · 19369 days ago · 21 km deep · 59 km away
  10. 1.98 km NW of Friday Harbor, Washington · 19369 days ago · 6 km deep · 90 km away
  11. 1.86 km NW of Friday Harbor, Washington · 19368 days ago · 5 km deep · 88 km away
  12. 1.55 km N of Marrowstone, Washington · 19366 days ago · 24 km deep · 69 km away
  13. 2.41 km NE of Shoreline, Washington · 19364 days ago · 23 km deep · 81 km away
  14. 2.34 km SW of Geneva, Washington · 19363 days ago · 24 km deep · 51 km away
  15. 2.29 km ENE of Snoqualmie, Washington · 19358 days ago · 81 km deep · 98 km away
  16. 1.91 km ENE of Seattle, Washington · 19354 days ago · 0 km deep · 97 km away
  17. 2.40 km NE of Seattle, Washington · 19354 days ago · 0 km deep · 98 km away
  18. 2.80 km N of Seattle, Washington · 19353 days ago · -1 km deep · 97 km away
  19. 2.32 km ESE of Seattle, Washington · 19353 days ago · -1 km deep · 98 km away
  20. 2.00 km NNW of Seattle, Washington · 19353 days ago · 0 km deep · 97 km away
  21. 1.60 km E of Seattle, Washington · 19353 days ago · 1 km deep · 98 km away
  22. 1.71 km E of Seattle, Washington · 19353 days ago · 1 km deep · 98 km away
  23. 1.6Puget Sound region, Washington · 19353 days ago · -1 km deep · 98 km away
  24. 2.22 km N of Seattle, Washington · 19352 days ago · -1 km deep · 96 km away
  25. 1.70 km E of Seattle, Washington · 19352 days ago · -1 km deep · 98 km away
  26. 2.11 km SSE of Seattle, Washington · 19351 days ago · 1 km deep · 99 km away
  27. 1.55 km SSW of Woodway, Washington · 19351 days ago · 16 km deep · 85 km away
  28. 1.67 km NNE of Port Ludlow, Washington · 19351 days ago · 4 km deep · 75 km away
  29. 1.61 km NNW of Hansville, Washington · 19349 days ago · 20 km deep · 75 km away
  30. 1.70 km NE of Seattle, Washington · 19348 days ago · 1 km deep · 97 km away
  31. 1.78 km SE of Oak Bay, Canada · 19347 days ago · 22 km deep · 99 km away
  32. 2.84 km N of Hansville, Washington · 19345 days ago · 23 km deep · 72 km away
  33. 1.72 km W of Medina, Washington · 19345 days ago · 0 km deep · 95 km away
  34. 1.61 km ENE of Indianola, Washington · 19345 days ago · 13 km deep · 89 km away
  35. 2.00 km SW of Seattle, Washington · 19343 days ago · 1 km deep · 98 km away
  36. 1.91 km NNW of Seattle, Washington · 19343 days ago · -1 km deep · 97 km away
  37. 3.3Puget Sound region, Washington · 19343 days ago · 2 km deep · 97 km away
  38. 1.9Puget Sound region, Washington · 19343 days ago · 1 km deep · 95 km away
  39. 2.81 km NW of Seattle, Washington · 19343 days ago · -1 km deep · 97 km away
  40. 2.43 km W of Medina, Washington · 19342 days ago · 2 km deep · 95 km away
  41. 2.52 km W of Medina, Washington · 19342 days ago · -1 km deep · 95 km away
  42. 1.71 km W of Medina, Washington · 19342 days ago · -1 km deep · 94 km away
  43. 1.82 km WNW of Medina, Washington · 19342 days ago · -1 km deep · 94 km away
  44. 1.80 km WNW of Medina, Washington · 19342 days ago · -1 km deep · 94 km away
  45. 1.64 km W of Medina, Washington · 19342 days ago · 0 km deep · 95 km away
  46. 2.82 km W of Medina, Washington · 19342 days ago · 4 km deep · 95 km away
  47. 1.71 km SW of Seattle, Washington · 19341 days ago · 1 km deep · 99 km away
  48. 2.31 km ESE of Seattle, Washington · 19341 days ago · 1 km deep · 98 km away
  49. 1.66 km SW of Woodway, Washington · 19340 days ago · 21 km deep · 86 km away
  50. 2.50 km NNW of Seattle, Washington · 19340 days ago · -1 km deep · 97 km away
  51. 1.70 km SE of Seattle, Washington · 19340 days ago · 1 km deep · 98 km away
  52. 2.81 km ENE of Seattle, Washington · 19338 days ago · 2 km deep · 97 km away
  53. 2.60 km ENE of Seattle, Washington · 19338 days ago · 1 km deep · 97 km away
  54. 1.64 km S of Lake Cavanaugh, Washington · 19336 days ago · 13 km deep · 19 km away
  55. 1.63 km SE of Seattle, Washington · 19333 days ago · 1 km deep · 99 km away
  56. 1.51 km SE of Seattle, Washington · 19331 days ago · -1 km deep · 98 km away
  57. 1.90 km NE of Seattle, Washington · 19331 days ago · 0 km deep · 97 km away
  58. 1.50 km N of Seattle, Washington · 19327 days ago · 1 km deep · 97 km away
  59. 2.60 km NNE of Seattle, Washington · 19325 days ago · 0 km deep · 97 km away
  60. 2.10 km NNE of Seattle, Washington · 19320 days ago · 1 km deep · 98 km away

Before

  1. 1.53 km NNW of Seattle, Washington · 19379 days ago · 0 km deep · 95 km away
  2. 1.90 km ENE of Seattle, Washington · 19379 days ago · 1 km deep · 97 km away
  3. 1.52 km W of Seattle, Washington · 19379 days ago · 1 km deep · 99 km away
  4. 1.53 km W of Hunts Point, Washington · 19380 days ago · 2 km deep · 93 km away
  5. 1.61 km ESE of Clyde Hill, Washington · 19381 days ago · 25 km deep · 93 km away
  6. 1.81 km ENE of Silver Firs, Washington · 19385 days ago · 23 km deep · 65 km away
  7. 1.70 km E of Mill Creek East, Washington · 19386 days ago · 16 km deep · 70 km away
  8. 1.90 km NW of Edmonds, Washington · 19392 days ago · 23 km deep · 78 km away
  9. 2.71 km NNE of Woods Creek, Washington · 19399 days ago · 12 km deep · 61 km away
  10. 1.511 km S of Darrington, Washington · 19404 days ago · 1 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10840218. Read Tue, Sep 22, 2026, 8:03 AM UTC.