Washington earthquakes

M1.5 earthquake 7 km N of Greenwater, Washington

A magnitude 1.5 earthquake struck 7 km N of Greenwater, Washington on Mon, Sep 18, 2006, 11:48 AM PDT (18:48 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.5 27 km NNE of Packwood, 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
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2006-09-18 18:48:51 UTC
Depth
11.4 km (7.1 mi), shallow
Epicenter
47.218° N, 121.633° 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, 0.3 km in depth
Magnitude uncertainty
±0.04
Depth from
Operator assigned
Station coverage gap
136°
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 48 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 2.18 km NNE of Lake Marcel-Stillwater, Washington · 7317 days ago · 3 km deep · 63 km away
  2. 2.15 km S of Cowiche, Washington · 7317 days ago · 0 km deep · 97 km away
  3. 1.92 km ESE of Fall City, Washington · 7317 days ago · 23 km deep · 41 km away
  4. 1.61 km SW of Fall City, Washington · 7314 days ago · 72 km deep · 43 km away
  5. 2.23 km SE of Dash Point, Washington · 7314 days ago · 29 km deep · 58 km away
  6. 1.76 km E of Mossyrock, Washington · 7313 days ago · 18 km deep · 97 km away
  7. 2.30 km W of Auburn, Washington · 7309 days ago · 20 km deep · 47 km away
  8. 1.90 km NW of Auburn, Washington · 7308 days ago · 21 km deep · 47 km away
  9. 2.511 km NNE of May Creek, Washington · 7306 days ago · 8 km deep · 81 km away
  10. 1.916 km S of Skykomish, Washington · 7306 days ago · 9 km deep · 42 km away
  11. 2.73 km ENE of Maplewood, Washington · 7305 days ago · 54 km deep · 70 km away
  12. 4.527 km NNE of Packwood, Washington · 7300 days ago · 2 km deep · 41 km away · felt by 1,294
  13. 2.527 km N of Packwood, Washington · 7300 days ago · 3 km deep · 41 km away
  14. 1.728 km NNE of Packwood, Washington · 7300 days ago · 4 km deep · 40 km away
  15. 2.828 km NNE of Packwood, Washington · 7300 days ago · 3 km deep · 41 km away
  16. 1.927 km NNE of Packwood, Washington · 7300 days ago · 3 km deep · 41 km away
  17. 1.627 km N of Packwood, Washington · 7300 days ago · 3 km deep · 41 km away
  18. 1.528 km NNE of Packwood, Washington · 7300 days ago · 3 km deep · 40 km away
  19. 1.727 km NNE of Packwood, Washington · 7299 days ago · 3 km deep · 41 km away
  20. 1.66 km NE of Snoqualmie, Washington · 7298 days ago · 10 km deep · 40 km away
  21. 1.628 km N of Packwood, Washington · 7298 days ago · 3 km deep · 40 km away
  22. 1.8Washington · 7297 days ago · 18 km deep · 98 km away
  23. 1.86 km SSE of Monroe, Washington · 7297 days ago · 23 km deep · 69 km away
  24. 1.627 km N of Packwood, Washington · 7296 days ago · 3 km deep · 41 km away
  25. 2.627 km NNE of Packwood, Washington · 7294 days ago · 4 km deep · 41 km away
  26. 2.727 km NNE of Packwood, Washington · 7294 days ago · 3 km deep · 41 km away
  27. 2.31 km ENE of Yarrow Point, Washington · 7293 days ago · 26 km deep · 64 km away
  28. 1.712 km ESE of Ashford, Washington · 7291 days ago · 3 km deep · 59 km away
  29. 1.63 km NW of Duvall, Washington · 7290 days ago · -1 km deep · 67 km away
  30. 1.727 km NNE of Packwood, Washington · 7287 days ago · 4 km deep · 41 km away
  31. 1.828 km N of Packwood, Washington · 7285 days ago · 4 km deep · 40 km away
  32. 2.52 km SSW of Erlands Point-Kitsap Lake, Washington · 7285 days ago · 22 km deep · 91 km away
  33. 2.44 km ENE of Lake Marcel-Stillwater, Washington · 7285 days ago · 20 km deep · 56 km away
  34. 1.927 km NNE of Packwood, Washington · 7281 days ago · -1 km deep · 41 km away
  35. 2.88 km NNE of Lake Marcel-Stillwater, Washington · 7279 days ago · 7 km deep · 63 km away
  36. 1.613 km SSE of Skykomish, Washington · 7277 days ago · 3 km deep · 51 km away
  37. 1.628 km NNE of Packwood, Washington · 7274 days ago · 5 km deep · 40 km away
  38. 1.824 km ENE of Ashford, Washington · 7273 days ago · -2 km deep · 41 km away
  39. 1.728 km N of Packwood, Washington · 7272 days ago · -2 km deep · 40 km away
  40. 2.028 km NNE of Packwood, Washington · 7272 days ago · -1 km deep · 40 km away
  41. 1.73 km S of Hobart, Washington · 7270 days ago · 15 km deep · 32 km away
  42. 1.628 km N of Packwood, Washington · 7268 days ago · 2 km deep · 40 km away
  43. 1.87 km NNE of Lake Marcel-Stillwater, Washington · 7268 days ago · 4 km deep · 63 km away
  44. 2.128 km N of Packwood, Washington · 7268 days ago · 4 km deep · 40 km away
  45. 1.528 km NNE of Packwood, Washington · 7265 days ago · -1 km deep · 40 km away
  46. 2.39 km ENE of Duvall, Washington · 7264 days ago · 1 km deep · 65 km away
  47. 2.027 km NNE of Packwood, Washington · 7262 days ago · -2 km deep · 45 km away
  48. 2.611 km NNE of Ashford, Washington · 7262 days ago · 5 km deep · 48 km away

Before

  1. 2.112 km WSW of Packwood, Washington · 7321 days ago · 2 km deep · 76 km away
  2. 1.817 km SSE of Carbonado, Washington · 7323 days ago · 11 km deep · 41 km away
  3. 1.518 km SSE of Carbonado, Washington · 7328 days ago · 4 km deep · 39 km away
  4. 2.14 km WSW of Wilderness Rim, Washington · 7330 days ago · 18 km deep · 27 km away
  5. 2.54 km E of Cathcart, Washington · 7333 days ago · 26 km deep · 77 km away
  6. 1.612 km NNE of Ashford, Washington · 7333 days ago · 6 km deep · 48 km away
  7. 1.726 km ENE of Ashford, Washington · 7337 days ago · -2 km deep · 41 km away
  8. 1.722 km ENE of Ashford, Washington · 7338 days ago · -2 km deep · 42 km away
  9. 1.70 km NE of Medina, Washington · 7339 days ago · 20 km deep · 63 km away
  10. 1.711 km NE of Ashford, Washington · 7341 days ago · 7 km deep · 48 km away
  11. 2.44 km E of Issaquah, Washington · 7342 days ago · 18 km deep · 44 km away
  12. 1.66 km E of Wilkeson, Washington · 7344 days ago · 15 km deep · 27 km away
  13. 1.72 km SW of Three Lakes, Washington · 7344 days ago · 30 km deep · 85 km away
  14. 1.94 km NNW of Seattle, Washington · 7345 days ago · 28 km deep · 72 km away
  15. 1.75 km NNE of Lake Marcel-Stillwater, Washington · 7345 days ago · 6 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10704113. Read Sat, Oct 3, 2026, 4:57 AM UTC.