Washington earthquakes

M3.1 earthquake 27 km W of Quilcene, Washington

A magnitude 3.1 earthquake struck 27 km W of Quilcene, Washington on Fri, Feb 10, 1978, 6:09 AM PST (14:09 UTC), 41 km (26 mi) below the surface.

A larger quake followed: M3.5 4 km NE of Blyn, Washington. This one was a foreshock.

Quilcene 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
3.1 (md), minor
Local time
UTC
1978-02-10 14:09:16 UTC
Depth
41.1 km (25.5 mi), shallow
Epicenter
47.806° N, 123.245° 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 0.8 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
132°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 2.24 km SSW of La Conner, Washington · 17754 days ago · 17 km deep · 81 km away
  2. 2.1Puget Sound region, Washington · 17739 days ago · 19 km deep · 72 km away
  3. 2.10 km NNW of Woodway, Washington · 17739 days ago · 11 km deep · 64 km away
  4. 2.015 km ENE of Queets, WA · 17738 days ago · 34 km deep · 72 km away
  5. 1.51 km WNW of Freeland, Washington · 17736 days ago · 50 km deep · 57 km away
  6. 1.61 km WNW of Larch Way, Washington · 17735 days ago · 13 km deep · 73 km away
  7. 1.82 km SW of Suquamish, Washington · 17734 days ago · 17 km deep · 51 km away
  8. 3.54 km NE of Blyn, Washington · 17733 days ago · 53 km deep · 35 km away
  9. 1.58 km ENE of Marrowstone, Washington · 17732 days ago · 54 km deep · 58 km away
  10. 1.50 km E of Inglewood-Finn Hill, Washington · 17731 days ago · 9 km deep · 77 km away
  11. 4.85 km W of Burley, Washington · 17727 days ago · 22 km deep · 59 km away
  12. 1.53 km W of Burley, Washington · 17727 days ago · 22 km deep · 61 km away
  13. 1.85 km W of Burley, Washington · 17727 days ago · 22 km deep · 59 km away
  14. 2.25 km W of Burley, Washington · 17726 days ago · 21 km deep · 59 km away
  15. 1.74 km W of Burley, Washington · 17726 days ago · 21 km deep · 59 km away
  16. 1.54 km W of Burley, Washington · 17726 days ago · 25 km deep · 59 km away
  17. 1.72 km W of La Conner, Washington · 17711 days ago · 22 km deep · 84 km away
  18. 2.110 km SE of Orcas, Washington · 17709 days ago · 56 km deep · 85 km away
  19. 2.95 km WSW of Coupeville, Washington · 17709 days ago · 21 km deep · 57 km away
  20. 4.16 km W of Burley, Washington · 17707 days ago · 21 km deep · 59 km away
  21. 2.211 km SSW of Seabeck, Washington · 17704 days ago · 16 km deep · 38 km away
  22. 1.86 km WNW of Burley, Washington · 17701 days ago · 23 km deep · 57 km away
  23. 1.86 km W of Burley, Washington · 17701 days ago · 22 km deep · 58 km away

Before

  1. 2.08 km WNW of Gorst, Washington · 17757 days ago · 21 km deep · 43 km away
  2. 2.810 km WSW of Amanda Park, Washington · 17768 days ago · 38 km deep · 72 km away
  3. 2.010 km SSW of Shelton, Washington · 17771 days ago · 47 km deep · 76 km away
  4. 2.36 km NNE of Lofall, Washington · 17771 days ago · 19 km deep · 47 km away
  5. 1.71 km NNE of Cathcart, Washington · 17778 days ago · 17 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10845803. Read Tue, Sep 22, 2026, 7:23 AM UTC.