Washington earthquakes

M2.1 earthquake 7 km NW of Lyman, Washington

A magnitude 2.1 earthquake struck 7 km NW of Lyman, Washington on Tue, Sep 27, 1983, 11:14 AM PDT (18:14 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M2.4 6 km ENE of Deming, 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
2.1 (md), micro
Local time
UTC
1983-09-27 18:14:42 UTC
Depth
18.6 km (11.6 mi), shallow
Epicenter
48.581° N, 122.127° 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
Operator assigned
Station coverage gap
124°
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: 30 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 1.54 km SE of Oak Bay, Canada · 15697 days ago · 40 km deep · 85 km away
  2. 2.46 km ENE of Deming, Washington · 15696 days ago · 1 km deep · 30 km away
  3. 2.16 km ENE of Deming, Washington · 15696 days ago · 2 km deep · 29 km away
  4. 2.37 km S of Kendall, Washington · 15695 days ago · 1 km deep · 30 km away
  5. 1.85 km E of Granite Falls, Washington · 15694 days ago · -1 km deep · 57 km away
  6. 1.92 km SW of Alger, Washington · 15694 days ago · 62 km deep · 17 km away
  7. 1.52 km NE of Woods Creek, Washington · 15692 days ago · 12 km deep · 78 km away
  8. 1.56 km W of Rockport, Washington · 15690 days ago · 1 km deep · 35 km away
  9. 2.29 km NNW of Lake Cavanaugh, Washington · 15688 days ago · -1 km deep · 19 km away
  10. 2.36 km WNW of Edison, Washington · 15687 days ago · 5 km deep · 28 km away
  11. 1.89 km ESE of Verlot, Washington · 15684 days ago · 3 km deep · 69 km away
  12. 1.712 km NNW of Concrete, Washington · 15684 days ago · -1 km deep · 23 km away
  13. 1.63 km S of Mount Vernon, Washington · 15682 days ago · 15 km deep · 26 km away
  14. 2.36 km WSW of Lake Cavanaugh, Washington · 15681 days ago · 11 km deep · 30 km away
  15. 2.48 km NW of Friday Harbor, Washington · 15680 days ago · 51 km deep · 72 km away
  16. 2.17 km WNW of Orcas, Washington · 15675 days ago · 15 km deep · 67 km away
  17. 1.56 km NNE of Orcas, Washington · 15675 days ago · 12 km deep · 58 km away
  18. 1.99 km WNW of Orcas, Washington · 15674 days ago · 10 km deep · 69 km away
  19. 2.28 km WNW of Orcas, Washington · 15674 days ago · 14 km deep · 68 km away
  20. 1.71 km NNE of Union Hill-Novelty Hill, Washington · 15667 days ago · 10 km deep · 100 km away
  21. 1.55 km SW of Hansville, Washington · 15667 days ago · 21 km deep · 85 km away
  22. 1.67 km WNW of Orcas, Washington · 15667 days ago · 16 km deep · 67 km away
  23. 2.45 km WSW of Lake Cavanaugh, Washington · 15666 days ago · 6 km deep · 30 km away
  24. 2.37 km WNW of Orcas, Washington · 15666 days ago · 18 km deep · 68 km away
  25. 1.87 km WNW of Orcas, Washington · 15665 days ago · 13 km deep · 67 km away
  26. 2.13 km ENE of May Creek, Washington · 15663 days ago · 10 km deep · 88 km away
  27. 1.8Washington · 15662 days ago · 24 km deep · 68 km away
  28. 2.07 km NE of Lofall, Washington · 15650 days ago · 19 km deep · 87 km away
  29. 1.55 km NNE of Bryant, Washington · 15647 days ago · 15 km deep · 34 km away
  30. 1.51 km SE of Coupeville, Washington · 15645 days ago · 20 km deep · 57 km away

Before

  1. 1.82 km E of Granite Falls, Washington · 15712 days ago · -1 km deep · 57 km away
  2. 1.91 km NNE of Lake Roesiger, Washington · 15714 days ago · 11 km deep · 67 km away
  3. 2.05 km W of Coupeville, Washington · 15716 days ago · 22 km deep · 61 km away
  4. 1.81 km WNW of Lake Roesiger, Washington · 15718 days ago · 13 km deep · 67 km away
  5. 2.29 km SSW of Everson, Washington · 15719 days ago · 12 km deep · 34 km away
  6. 2.65 km SSW of Hansville, Washington · 15724 days ago · 22 km deep · 86 km away
  7. 1.82 km W of Coupeville, Washington · 15724 days ago · 23 km deep · 60 km away
  8. 1.55 km W of Coupeville, Washington · 15725 days ago · 17 km deep · 62 km away
  9. 2.03 km NNE of Camano, Washington · 15727 days ago · 23 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10165073. Read Wed, Sep 23, 2026, 4:24 AM UTC.