Washington earthquakes

M1.9 earthquake 13 km ENE of Ashford, Washington

A magnitude 1.9 earthquake struck 13 km ENE of Ashford, Washington on Tue, Aug 21, 1973, 9:33 PM PDT (04:33 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.7 12 km S of Morton, Washington. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.9 (md), micro
Local time
UTC
1973-08-22 04:33:08 UTC
Depth
7.9 km (4.9 mi), shallow
Epicenter
46.798° N, 121.866° 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 2.9 km horizontally, 2.1 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
96°
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: 63 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.712 km S of Morton, Washington · 19386 days ago · 11 km deep · 49 km away
  2. 1.70 km SW of Allyn, Washington · 19385 days ago · 22 km deep · 98 km away
  3. 1.61 km ESE of Clyde Hill, Washington · 19381 days ago · 25 km deep · 96 km away
  4. 1.66 km ESE of Bainbridge Island, Washington · 19380 days ago · -1 km deep · 100 km away
  5. 1.53 km W of Hunts Point, Washington · 19380 days ago · 2 km deep · 98 km away
  6. 1.54 km WSW of Seattle, Washington · 19380 days ago · -1 km deep · 96 km away
  7. 1.827 km NNE of Amboy, Washington · 19379 days ago · 10 km deep · 82 km away
  8. 1.52 km W of Seattle, Washington · 19379 days ago · 1 km deep · 98 km away
  9. 1.90 km ENE of Seattle, Washington · 19379 days ago · 1 km deep · 97 km away
  10. 1.83 km NNE of Seattle, Washington · 19378 days ago · -1 km deep · 100 km away
  11. 2.02 km WNW of Seattle, Washington · 19378 days ago · -1 km deep · 98 km away
  12. 1.63 km WNW of Seattle, Washington · 19377 days ago · -1 km deep · 99 km away
  13. 2.438 km NNE of Amboy, Washington · 19375 days ago · 8 km deep · 70 km away
  14. 1.95 km WSW of Seattle, Washington · 19375 days ago · 1 km deep · 97 km away
  15. 1.910 km NNW of Packwood, Washington · 19371 days ago · 2 km deep · 16 km away
  16. 1.99 km SSE of Mossyrock, Washington · 19369 days ago · 9 km deep · 57 km away
  17. 1.73 km ENE of Mirrormont, Washington · 19368 days ago · 23 km deep · 76 km away
  18. 1.62 km NNE of Dash Point, Washington · 19368 days ago · 4 km deep · 73 km away
  19. 2.212 km SSE of Mossyrock, Washington · 19366 days ago · 11 km deep · 59 km away
  20. 1.66 km WSW of Seattle, Washington · 19365 days ago · -1 km deep · 97 km away
  21. 1.54 km SW of Seattle, Washington · 19362 days ago · 0 km deep · 95 km away
  22. 2.29 km ENE of Snoqualmie, Washington · 19358 days ago · 81 km deep · 86 km away
  23. 2.214 km NNE of Ashford, Washington · 19356 days ago · 7 km deep · 11 km away
  24. 1.91 km ENE of Seattle, Washington · 19354 days ago · 0 km deep · 97 km away
  25. 2.40 km NE of Seattle, Washington · 19354 days ago · 0 km deep · 97 km away
  26. 2.80 km N of Seattle, Washington · 19353 days ago · -1 km deep · 97 km away
  27. 2.32 km ESE of Seattle, Washington · 19353 days ago · -1 km deep · 95 km away
  28. 2.00 km NNW of Seattle, Washington · 19353 days ago · 0 km deep · 97 km away
  29. 1.60 km E of Seattle, Washington · 19353 days ago · 1 km deep · 96 km away
  30. 1.71 km E of Seattle, Washington · 19353 days ago · 1 km deep · 96 km away
  31. 1.6Puget Sound region, Washington · 19353 days ago · -1 km deep · 96 km away
  32. 2.22 km N of Seattle, Washington · 19352 days ago · -1 km deep · 98 km away
  33. 1.70 km E of Seattle, Washington · 19352 days ago · -1 km deep · 96 km away
  34. 2.11 km SSE of Seattle, Washington · 19351 days ago · 1 km deep · 95 km away
  35. 1.73 km SW of Seattle, Washington · 19351 days ago · 0 km deep · 94 km away
  36. 1.70 km NE of Seattle, Washington · 19348 days ago · 1 km deep · 97 km away
  37. 1.616 km ESE of Ashford, Washington · 19347 days ago · 11 km deep · 11 km away
  38. 1.72 km W of Medina, Washington · 19345 days ago · 0 km deep · 96 km away
  39. 1.64 km WSW of Wilderness Rim, Washington · 19345 days ago · 18 km deep · 71 km away
  40. 2.00 km SW of Seattle, Washington · 19343 days ago · 1 km deep · 96 km away
  41. 1.91 km NNW of Seattle, Washington · 19343 days ago · -1 km deep · 98 km away
  42. 3.3Puget Sound region, Washington · 19343 days ago · 2 km deep · 97 km away
  43. 1.72 km SSW of Seattle, Washington · 19343 days ago · 0 km deep · 94 km away
  44. 1.9Puget Sound region, Washington · 19343 days ago · 1 km deep · 99 km away
  45. 2.81 km NW of Seattle, Washington · 19343 days ago · -1 km deep · 97 km away
  46. 2.43 km W of Medina, Washington · 19342 days ago · 2 km deep · 96 km away
  47. 2.52 km W of Medina, Washington · 19342 days ago · -1 km deep · 96 km away
  48. 1.71 km W of Medina, Washington · 19342 days ago · -1 km deep · 96 km away
  49. 1.82 km WNW of Medina, Washington · 19342 days ago · -1 km deep · 97 km away
  50. 1.80 km WNW of Medina, Washington · 19342 days ago · -1 km deep · 96 km away
  51. 1.64 km W of Medina, Washington · 19342 days ago · 0 km deep · 97 km away
  52. 2.82 km W of Medina, Washington · 19342 days ago · 4 km deep · 96 km away
  53. 1.71 km SW of Seattle, Washington · 19341 days ago · 1 km deep · 96 km away
  54. 2.31 km ESE of Seattle, Washington · 19341 days ago · 1 km deep · 95 km away
  55. 2.50 km NNW of Seattle, Washington · 19340 days ago · -1 km deep · 97 km away
  56. 1.70 km SE of Seattle, Washington · 19340 days ago · 1 km deep · 96 km away
  57. 2.81 km ENE of Seattle, Washington · 19338 days ago · 2 km deep · 97 km away
  58. 2.60 km ENE of Seattle, Washington · 19338 days ago · 1 km deep · 96 km away
  59. 1.85 km NNW of White Center, Washington · 19337 days ago · 0 km deep · 93 km away
  60. 1.65 km SW of Seattle, Washington · 19335 days ago · 1 km deep · 95 km away

The first 60 of 63.

Before

  1. 1.72 km NW of Ravensdale, Washington · 19391 days ago · 5 km deep · 65 km away
  2. 1.97 km NNE of Bonney Lake, Washington · 19400 days ago · 26 km deep · 53 km away
  3. 1.932 km E of Castle Rock, Washington · 19400 days ago · 19 km deep · 79 km away
  4. 1.75 km ENE of Sumner, Washington · 19400 days ago · 22 km deep · 53 km away
  5. 2.72 km SSE of Wilderness Rim, Washington · 19412 days ago · 15 km deep · 70 km away
  6. 1.91 km ESE of Buckley, Washington · 19416 days ago · -1 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10856773. Read Tue, Sep 22, 2026, 7:43 AM UTC.