Washington earthquakes

M1.7 earthquake 1 km SSE of Lyman, Washington

A magnitude 1.7 earthquake struck 1 km SSE of Lyman, Washington on Mon, Sep 16, 2002, 2:54 PM PDT (21:54 UTC), -1 km (-1 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
1.7 (md), micro
Local time
UTC
2002-09-16 21:54:01 UTC
Depth
-0.9 km (-0.6 mi), shallow
Epicenter
48.516° N, 122.052° 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
98°
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: 28 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.19 km SW of Friday Harbor, Washington · 8776 days ago · 23 km deep · 79 km away · felt by 294
  2. 2.50 km ENE of Lyman, Washington · 8776 days ago · -1 km deep · 1 km away
  3. 1.99 km WSW of Friday Harbor, Washington · 8776 days ago · 21 km deep · 79 km away
  4. 1.99 km WSW of Friday Harbor, Washington · 8775 days ago · 21 km deep · 80 km away
  5. 1.79 km WSW of Friday Harbor, Washington · 8775 days ago · 21 km deep · 79 km away
  6. 1.59 km SW of Friday Harbor, Washington · 8775 days ago · 20 km deep · 78 km away
  7. 2.49 km N of Hamilton, Washington · 8772 days ago · -1 km deep · 12 km away
  8. 2.610 km NNE of Hamilton, Washington · 8772 days ago · -1 km deep · 13 km away
  9. 2.47 km S of Sultan, Washington · 8772 days ago · 7 km deep · 82 km away
  10. 1.59 km N of Hamilton, Washington · 8772 days ago · 3 km deep · 11 km away
  11. 2.19 km NNE of Hamilton, Washington · 8771 days ago · 4 km deep · 12 km away
  12. 2.910 km SW of Friday Harbor, Washington · 8771 days ago · 23 km deep · 80 km away
  13. 1.95 km SE of Birch Bay, Washington · 8770 days ago · 18 km deep · 62 km away
  14. 1.51 km SSW of Monroe, Washington · 8769 days ago · 1 km deep · 75 km away
  15. 2.712 km NE of Mission, Canada · 8765 days ago · 1 km deep · 78 km away
  16. 1.713 km ENE of Mission, Canada · 8765 days ago · 10 km deep · 75 km away
  17. 2.15 km W of Edison, Washington · 8764 days ago · 15 km deep · 35 km away
  18. 1.75 km WSW of Edison, Washington · 8761 days ago · 0 km deep · 34 km away
  19. 1.510 km ESE of Friday Harbor, Washington · 8761 days ago · 0 km deep · 61 km away
  20. 2.25 km SW of Clinton, Washington · 8756 days ago · 31 km deep · 68 km away
  21. 1.70 km ESE of Mountlake Terrace, Washington · 8756 days ago · 22 km deep · 83 km away
  22. 2.09 km NNE of Quilcene, Washington · 8753 days ago · 20 km deep · 89 km away
  23. 1.52 km W of Edmonds, Washington · 8739 days ago · 19 km deep · 82 km away
  24. 1.98 km SSW of Anacortes, WA · 8739 days ago · 21 km deep · 45 km away
  25. 1.610 km NNW of Ault Field, WA · 8737 days ago · 22 km deep · 50 km away
  26. 2.29 km NNW of Ault Field, Washington · 8736 days ago · 22 km deep · 51 km away
  27. 2.410 km ESE of Friday Harbor, Washington · 8735 days ago · 0 km deep · 61 km away
  28. 3.12 km WSW of Camano, Washington · 8732 days ago · 27 km deep · 55 km away

Before

  1. 2.39 km N of Hamilton, Washington · 8783 days ago · -1 km deep · 11 km away
  2. 1.510 km N of Hamilton, Washington · 8783 days ago · 3 km deep · 13 km away
  3. 2.39 km NNE of Hamilton, Washington · 8783 days ago · -1 km deep · 12 km away
  4. 1.62 km SE of Alger, Washington · 8793 days ago · 14 km deep · 22 km away
  5. 1.85 km E of North Stanwood, Washington · 8796 days ago · 0 km deep · 33 km away
  6. 1.93 km ENE of Granite Falls, Washington · 8804 days ago · -1 km deep · 48 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10564153. Read Wed, Sep 30, 2026, 9:37 PM UTC.