Washington earthquakes

M1.7 earthquake 38 km NNE of Amboy, Washington

A magnitude 1.7 earthquake struck 38 km NNE of Amboy, Washington on Mon, Jul 23, 1984, 8:13 AM PDT (15:13 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M3.1 12 km S of Morton, Washington. This one was a foreshock.

Amboy 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
1.7 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1984-07-23 15:13:43 UTC
Depth
-0.6 km (-0.4 mi), shallow
Epicenter
46.203° N, 122.188° 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 0.4 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
115°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 84 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 2.038 km NNE of Amboy, Washington · 15410 days ago · -1 km deep · 0 km away
  2. 2.238 km NNE of Amboy, Washington · 15410 days ago · -1 km deep · 0 km away
  3. 2.038 km NNE of Amboy, Washington · 15410 days ago · -1 km deep · 0 km away
  4. 1.82 km NW of Hockinson, Washington · 15408 days ago · 15 km deep · 55 km away
  5. 2.238 km NNE of Amboy, Washington · 15408 days ago · -1 km deep · 0 km away
  6. 2.437 km NE of Amboy, Washington · 15408 days ago · -1 km deep · 2 km away
  7. 1.638 km NNE of Amboy, Washington · 15408 days ago · -1 km deep · 0 km away
  8. 1.837 km NNE of Amboy, Washington · 15406 days ago · -1 km deep · 0 km away
  9. 1.734 km NE of Amboy, Washington · 15404 days ago · 8 km deep · 5 km away
  10. 1.72 km NE of Brush Prairie, Washington · 15404 days ago · 15 km deep · 57 km away
  11. 1.638 km NNE of Amboy, Washington · 15404 days ago · -1 km deep · 0 km away
  12. 2.237 km NNE of Amboy, Washington · 15403 days ago · -1 km deep · 1 km away
  13. 1.838 km NNE of Amboy, Washington · 15403 days ago · -1 km deep · 0 km away
  14. 1.938 km NNE of Amboy, Washington · 15402 days ago · -1 km deep · 0 km away
  15. 1.513 km NW of Amboy, Washington · 15401 days ago · 10 km deep · 40 km away
  16. 3.112 km S of Morton, Washington · 15397 days ago · 10 km deep · 28 km away
  17. 1.738 km NNE of Amboy, Washington · 15394 days ago · -1 km deep · 0 km away
  18. 1.7Washington · 15392 days ago · 15 km deep · 44 km away
  19. 2.138 km NNE of Amboy, Washington · 15390 days ago · -1 km deep · 0 km away
  20. 2.138 km NNE of Amboy, Washington · 15390 days ago · -1 km deep · 0 km away
  21. 1.838 km NNE of Amboy, Washington · 15390 days ago · -2 km deep · 0 km away
  22. 1.838 km NNE of Amboy, Washington · 15389 days ago · -1 km deep · 0 km away
  23. 1.838 km NNE of Amboy, Washington · 15386 days ago · -1 km deep · 0 km away
  24. 2.337 km NNE of Amboy, Washington · 15386 days ago · -1 km deep · 0 km away
  25. 1.738 km NNE of Amboy, Washington · 15386 days ago · -2 km deep · 1 km away
  26. 2.038 km NNE of Amboy, Washington · 15384 days ago · -2 km deep · 0 km away
  27. 1.938 km NE of Amboy, Washington · 15380 days ago · -2 km deep · 2 km away
  28. 1.538 km NNE of Amboy, Washington · 15379 days ago · -2 km deep · 0 km away
  29. 2.337 km NNE of Amboy, Washington · 15378 days ago · -1 km deep · 0 km away
  30. 2.037 km NNE of Amboy, Washington · 15378 days ago · -1 km deep · 0 km away
  31. 2.22 km ENE of Brush Prairie, Washington · 15378 days ago · 15 km deep · 58 km away
  32. 1.938 km NNE of Amboy, Washington · 15376 days ago · -1 km deep · 0 km away
  33. 2.338 km NNE of Amboy, Washington · 15375 days ago · -1 km deep · 0 km away
  34. 1.638 km NNE of Amboy, Washington · 15374 days ago · -1 km deep · 1 km away
  35. 1.838 km NNE of Amboy, Washington · 15372 days ago · -2 km deep · 0 km away
  36. 1.538 km NNE of Amboy, Washington · 15372 days ago · -1 km deep · 1 km away
  37. 1.638 km NNE of Amboy, Washington · 15372 days ago · -1 km deep · 0 km away
  38. 2.438 km NNE of Amboy, Washington · 15372 days ago · -1 km deep · 0 km away
  39. 1.838 km NNE of Amboy, Washington · 15372 days ago · -1 km deep · 0 km away
  40. 1.720 km S of Morton, Washington · 15372 days ago · 8 km deep · 20 km away
  41. 2.338 km NNE of Amboy, Washington · 15372 days ago · -1 km deep · 0 km away
  42. 2.438 km NNE of Amboy, Washington · 15372 days ago · -2 km deep · 0 km away
  43. 1.938 km NNE of Amboy, Washington · 15371 days ago · -1 km deep · 1 km away
  44. 1.638 km NNE of Amboy, Washington · 15370 days ago · -1 km deep · 0 km away
  45. 2.038 km NNE of Amboy, Washington · 15370 days ago · -1 km deep · 0 km away
  46. 1.538 km NNE of Amboy, Washington · 15369 days ago · -2 km deep · 1 km away
  47. 1.51 km SSE of Ridgefield, Washington · 15369 days ago · 10 km deep · 61 km away
  48. 1.638 km NNE of Amboy, Washington · 15369 days ago · -2 km deep · 0 km away
  49. 1.538 km NNE of Amboy, Washington · 15368 days ago · 0 km deep · 1 km away
  50. 1.538 km NNE of Amboy, Washington · 15368 days ago · -1 km deep · 0 km away
  51. 2.238 km NNE of Amboy, Washington · 15368 days ago · -1 km deep · 0 km away
  52. 1.638 km NNE of Amboy, Washington · 15368 days ago · -2 km deep · 0 km away
  53. 1.9Washington · 15367 days ago · -1 km deep · 1 km away
  54. 1.638 km NNE of Amboy, Washington · 15367 days ago · -1 km deep · 1 km away
  55. 1.938 km NNE of Amboy, Washington · 15367 days ago · -1 km deep · 0 km away
  56. 2.138 km NNE of Amboy, Washington · 15367 days ago · -1 km deep · 0 km away
  57. 1.538 km NNE of Amboy, Washington · 15366 days ago · -1 km deep · 0 km away
  58. 1.538 km NNE of Amboy, Washington · 15365 days ago · -2 km deep · 0 km away
  59. 1.838 km NNE of Amboy, Washington · 15365 days ago · 0 km deep · 0 km away
  60. 2.538 km NNE of Amboy, Washington · 15364 days ago · -2 km deep · 1 km away

The first 60 of 84.

Before

  1. 1.838 km NNE of Amboy, Washington · 15413 days ago · -1 km deep · 0 km away
  2. 2.538 km NNE of Amboy, Washington · 15414 days ago · -1 km deep · 0 km away
  3. 1.937 km NNE of Amboy, Washington · 15415 days ago · 1 km deep · 1 km away
  4. 2.814 km S of Morton, Washington · 15418 days ago · 14 km deep · 26 km away
  5. 1.711 km SSW of Pe Ell, Washington · 15421 days ago · -1 km deep · 94 km away
  6. 2.16 km NE of Packwood, Washington · 15421 days ago · 5 km deep · 67 km away
  7. 1.837 km NNE of Amboy, Washington · 15425 days ago · 0 km deep · 0 km away
  8. 2.038 km NNE of Amboy, Washington · 15427 days ago · -2 km deep · 0 km away
  9. 1.616 km NNE of Onalaska, Washington · 15430 days ago · -1 km deep · 64 km away
  10. 1.524 km ESE of Packwood, Washington · 15431 days ago · 4 km deep · 73 km away
  11. 1.538 km NNE of Amboy, Washington · 15437 days ago · -1 km deep · 0 km away
  12. 1.53 km SSW of Orting, Washington · 15438 days ago · 0 km deep · 96 km away
  13. 1.838 km NNE of Amboy, Washington · 15439 days ago · -1 km deep · 0 km away
  14. 2.438 km NNE of Amboy, Washington · 15439 days ago · 0 km deep · 0 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10177883. Read Thu, Oct 1, 2026, 9:22 PM UTC.