Washington earthquakes

M1.7 earthquake Washington

A magnitude 1.7 earthquake struck in Washington on Fri, Aug 10, 1984, 8:31 AM PDT (15:31 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M1.8 Puget Sound region, Washington. This one was a foreshock.

Morton forecastMore in Washington

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
1.7 (md), micro
Local time
UTC
1984-08-10 15:31:43 UTC
Depth
14.6 km (9.1 mi), shallow
Epicenter
46.590° N, 122.100° 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 0.3 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
54°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 77 in the 60 days after this one and 28 in the 30 days before it.

After

  1. 1.8Puget Sound region, Washington · 15384 days ago · 18 km deep · 96 km away
  2. 2.138 km NNE of Amboy, Washington · 15383 days ago · -1 km deep · 44 km away
  3. 2.138 km NNE of Amboy, Washington · 15382 days ago · -1 km deep · 44 km away
  4. 1.838 km NNE of Amboy, Washington · 15382 days ago · -2 km deep · 43 km away
  5. 1.838 km NNE of Amboy, Washington · 15381 days ago · -1 km deep · 44 km away
  6. 1.75 km NW of Dash Point, Washington · 15381 days ago · 8 km deep · 89 km away
  7. 1.838 km NNE of Amboy, Washington · 15379 days ago · -1 km deep · 43 km away
  8. 2.337 km NNE of Amboy, Washington · 15378 days ago · -1 km deep · 44 km away
  9. 1.738 km NNE of Amboy, Washington · 15378 days ago · -2 km deep · 43 km away
  10. 2.038 km NNE of Amboy, Washington · 15376 days ago · -2 km deep · 43 km away
  11. 1.72 km SW of Wilderness Rim, Washington · 15376 days ago · 19 km deep · 97 km away
  12. 1.811 km ESE of Black Diamond, Washington · 15376 days ago · 12 km deep · 77 km away
  13. 1.53 km SW of Wilderness Rim, Washington · 15373 days ago · 17 km deep · 95 km away
  14. 1.938 km NE of Amboy, Washington · 15372 days ago · -2 km deep · 45 km away
  15. 1.538 km NNE of Amboy, Washington · 15371 days ago · -2 km deep · 43 km away
  16. 2.337 km NNE of Amboy, Washington · 15371 days ago · -1 km deep · 44 km away
  17. 2.037 km NNE of Amboy, Washington · 15370 days ago · -1 km deep · 44 km away
  18. 1.93 km SSW of Vashon, Washington · 15369 days ago · 19 km deep · 97 km away
  19. 1.938 km NNE of Amboy, Washington · 15368 days ago · -1 km deep · 44 km away
  20. 2.338 km NNE of Amboy, Washington · 15367 days ago · -1 km deep · 44 km away
  21. 1.638 km NNE of Amboy, Washington · 15366 days ago · -1 km deep · 43 km away
  22. 1.838 km NNE of Amboy, Washington · 15364 days ago · -2 km deep · 43 km away
  23. 1.538 km NNE of Amboy, Washington · 15364 days ago · -1 km deep · 43 km away
  24. 1.638 km NNE of Amboy, Washington · 15364 days ago · -1 km deep · 44 km away
  25. 2.438 km NNE of Amboy, Washington · 15364 days ago · -1 km deep · 44 km away
  26. 1.838 km NNE of Amboy, Washington · 15364 days ago · -1 km deep · 43 km away
  27. 1.720 km S of Morton, Washington · 15364 days ago · 8 km deep · 26 km away
  28. 2.338 km NNE of Amboy, Washington · 15364 days ago · -1 km deep · 44 km away
  29. 2.438 km NNE of Amboy, Washington · 15364 days ago · -2 km deep · 43 km away
  30. 1.938 km NNE of Amboy, Washington · 15363 days ago · -1 km deep · 43 km away
  31. 1.638 km NNE of Amboy, Washington · 15362 days ago · -1 km deep · 44 km away
  32. 2.038 km NNE of Amboy, Washington · 15362 days ago · -1 km deep · 44 km away
  33. 1.538 km NNE of Amboy, Washington · 15361 days ago · -2 km deep · 43 km away
  34. 1.638 km NNE of Amboy, Washington · 15361 days ago · -2 km deep · 44 km away
  35. 1.538 km NNE of Amboy, Washington · 15361 days ago · 0 km deep · 43 km away
  36. 1.538 km NNE of Amboy, Washington · 15361 days ago · -1 km deep · 44 km away
  37. 2.238 km NNE of Amboy, Washington · 15360 days ago · -1 km deep · 44 km away
  38. 1.638 km NNE of Amboy, Washington · 15360 days ago · -2 km deep · 43 km away
  39. 1.9Washington · 15360 days ago · -1 km deep · 43 km away
  40. 1.638 km NNE of Amboy, Washington · 15360 days ago · -1 km deep · 43 km away
  41. 1.938 km NNE of Amboy, Washington · 15359 days ago · -1 km deep · 44 km away
  42. 1.812 km WNW of Greenwater, Washington · 15359 days ago · 16 km deep · 72 km away
  43. 2.138 km NNE of Amboy, Washington · 15359 days ago · -1 km deep · 44 km away
  44. 1.538 km NNE of Amboy, Washington · 15359 days ago · -1 km deep · 44 km away
  45. 1.538 km NNE of Amboy, Washington · 15358 days ago · -2 km deep · 43 km away
  46. 1.838 km NNE of Amboy, Washington · 15357 days ago · 0 km deep · 44 km away
  47. 2.538 km NNE of Amboy, Washington · 15357 days ago · -2 km deep · 43 km away
  48. 1.738 km NNE of Amboy, Washington · 15356 days ago · -2 km deep · 44 km away
  49. 1.838 km NNE of Amboy, Washington · 15356 days ago · -2 km deep · 44 km away
  50. 1.738 km NNE of Amboy, Washington · 15355 days ago · -1 km deep · 43 km away
  51. 1.838 km NNE of Amboy, Washington · 15355 days ago · -2 km deep · 43 km away
  52. 1.837 km NNE of Amboy, Washington · 15355 days ago · 0 km deep · 44 km away
  53. 1.838 km NNE of Amboy, Washington · 15355 days ago · -2 km deep · 43 km away
  54. 1.538 km NNE of Amboy, Washington · 15355 days ago · -1 km deep · 43 km away
  55. 1.738 km NNE of Amboy, Washington · 15355 days ago · -1 km deep · 43 km away
  56. 1.538 km NNE of Amboy, Washington · 15355 days ago · -1 km deep · 43 km away
  57. 1.838 km NNE of Amboy, Washington · 15355 days ago · -1 km deep · 44 km away
  58. 1.738 km NNE of Amboy, Washington · 15354 days ago · -2 km deep · 43 km away
  59. 1.838 km NNE of Amboy, Washington · 15354 days ago · -2 km deep · 43 km away
  60. 1.838 km NNE of Amboy, Washington · 15354 days ago · -1 km deep · 43 km away

The first 60 of 77.

Before

  1. 1.738 km NNE of Amboy, Washington · 15386 days ago · -1 km deep · 44 km away
  2. 1.92 km NW of Lakeland South, Washington · 15387 days ago · 9 km deep · 80 km away
  3. 3.112 km S of Morton, Washington · 15389 days ago · 10 km deep · 20 km away
  4. 1.513 km NW of Amboy, Washington · 15394 days ago · 10 km deep · 78 km away
  5. 1.938 km NNE of Amboy, Washington · 15394 days ago · -1 km deep · 43 km away
  6. 1.838 km NNE of Amboy, Washington · 15395 days ago · -1 km deep · 44 km away
  7. 2.237 km NNE of Amboy, Washington · 15395 days ago · -1 km deep · 44 km away
  8. 1.638 km NNE of Amboy, Washington · 15396 days ago · -1 km deep · 44 km away
  9. 1.72 km NE of Brush Prairie, Washington · 15396 days ago · 15 km deep · 99 km away
  10. 1.734 km NE of Amboy, Washington · 15396 days ago · 8 km deep · 49 km away
  11. 1.837 km NNE of Amboy, Washington · 15398 days ago · -1 km deep · 44 km away
  12. 1.638 km NNE of Amboy, Washington · 15400 days ago · -1 km deep · 43 km away
  13. 2.437 km NE of Amboy, Washington · 15400 days ago · -1 km deep · 45 km away
  14. 2.238 km NNE of Amboy, Washington · 15400 days ago · -1 km deep · 43 km away
  15. 1.82 km NW of Hockinson, Washington · 15401 days ago · 15 km deep · 98 km away
  16. 2.038 km NNE of Amboy, Washington · 15402 days ago · -1 km deep · 43 km away
  17. 2.238 km NNE of Amboy, Washington · 15402 days ago · -1 km deep · 43 km away
  18. 2.038 km NNE of Amboy, Washington · 15403 days ago · -1 km deep · 44 km away
  19. 1.738 km NNE of Amboy, Washington · 15403 days ago · -1 km deep · 44 km away
  20. 2.16 km S of Wilderness Rim, Washington · 15403 days ago · 18 km deep · 92 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10178863. Read Thu, Sep 24, 2026, 4:03 AM UTC.