Washington earthquakes

M1.6 earthquake 2 km SE of Alger, Washington

A magnitude 1.6 earthquake struck 2 km SE of Alger, Washington on Tue, Sep 3, 2002, 6:38 AM PDT (13:38 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M4.1 9 km SW of Friday Harbor, Washington. This one was a foreshock.

Sedro-Woolley 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
1.6 (md), micro
Local time
UTC
2002-09-03 13:38:01 UTC
Depth
14.3 km (8.9 mi), shallow
Epicenter
48.605° N, 122.317° 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, 0.1 km in depth
Magnitude uncertainty
±0.03
Depth from
Operator assigned
Station coverage gap
66°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 34 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 1.59 km NNE of Port Angeles East, Washington · 8793 days ago · 41 km deep · 87 km away
  2. 2.39 km NNE of Hamilton, Washington · 8783 days ago · -1 km deep · 26 km away
  3. 1.510 km N of Hamilton, Washington · 8783 days ago · 3 km deep · 26 km away
  4. 2.39 km N of Hamilton, Washington · 8783 days ago · -1 km deep · 25 km away
  5. 1.71 km SSE of Lyman, Washington · 8780 days ago · -1 km deep · 22 km away
  6. 1.516 km NNE of Ganges, Canada · 8776 days ago · 10 km deep · 91 km away
  7. 4.19 km SW of Friday Harbor, Washington · 8776 days ago · 23 km deep · 61 km away · felt by 294
  8. 2.50 km ENE of Lyman, Washington · 8776 days ago · -1 km deep · 21 km away
  9. 1.99 km WSW of Friday Harbor, Washington · 8776 days ago · 21 km deep · 60 km away
  10. 1.99 km WSW of Friday Harbor, Washington · 8775 days ago · 21 km deep · 61 km away
  11. 1.79 km WSW of Friday Harbor, Washington · 8775 days ago · 21 km deep · 61 km away
  12. 1.59 km SW of Friday Harbor, Washington · 8775 days ago · 20 km deep · 60 km away
  13. 2.49 km N of Hamilton, Washington · 8772 days ago · -1 km deep · 26 km away
  14. 2.610 km NNE of Hamilton, Washington · 8772 days ago · -1 km deep · 27 km away
  15. 2.47 km S of Sultan, Washington · 8772 days ago · 7 km deep · 98 km away
  16. 1.59 km N of Hamilton, Washington · 8772 days ago · 3 km deep · 25 km away
  17. 2.19 km NNE of Hamilton, Washington · 8772 days ago · 4 km deep · 26 km away
  18. 2.910 km SW of Friday Harbor, Washington · 8771 days ago · 23 km deep · 62 km away
  19. 1.95 km SE of Birch Bay, Washington · 8770 days ago · 18 km deep · 41 km away
  20. 1.51 km SSW of Monroe, Washington · 8769 days ago · 1 km deep · 89 km away
  21. 1.613 km SSE of Port Angeles East, Washington · 8766 days ago · 45 km deep · 99 km away
  22. 2.712 km NE of Mission, Canada · 8765 days ago · 1 km deep · 68 km away
  23. 1.713 km ENE of Mission, Canada · 8765 days ago · 10 km deep · 66 km away
  24. 2.15 km W of Edison, Washington · 8764 days ago · 15 km deep · 16 km away
  25. 1.75 km WSW of Edison, Washington · 8761 days ago · 0 km deep · 16 km away
  26. 1.510 km ESE of Friday Harbor, Washington · 8761 days ago · 0 km deep · 43 km away
  27. 2.25 km SW of Clinton, Washington · 8756 days ago · 31 km deep · 73 km away
  28. 1.70 km ESE of Mountlake Terrace, Washington · 8756 days ago · 22 km deep · 91 km away
  29. 2.09 km NNE of Quilcene, Washington · 8753 days ago · 20 km deep · 87 km away
  30. 1.52 km W of Edmonds, Washington · 8739 days ago · 19 km deep · 88 km away
  31. 1.98 km SSW of Anacortes, WA · 8739 days ago · 21 km deep · 31 km away
  32. 1.610 km NNW of Ault Field, WA · 8737 days ago · 22 km deep · 36 km away
  33. 2.29 km NNW of Ault Field, Washington · 8736 days ago · 22 km deep · 36 km away
  34. 2.410 km ESE of Friday Harbor, Washington · 8736 days ago · 0 km deep · 43 km away

Before

  1. 1.85 km E of North Stanwood, Washington · 8796 days ago · 0 km deep · 39 km away
  2. 1.93 km ENE of Granite Falls, Washington · 8804 days ago · -1 km deep · 64 km away
  3. 1.84 km NE of Edison, Washington · 8816 days ago · 12 km deep · 6 km away
  4. 1.85 km SSW of Sultan, Washington · 8816 days ago · 17 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10559213. Read Wed, Sep 30, 2026, 11:47 PM UTC.