Washington earthquakes

M2.2 earthquake 4 km SSW of La Conner, Washington

A magnitude 2.2 earthquake struck 4 km SSW of La Conner, Washington on Sun, Feb 12, 1978, 2:16 AM PST (10:16 UTC), 17 km (11 mi) below the surface.

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

La Conner 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
2.2 (md), micro
Local time
UTC
1978-02-12 10:16:12 UTC
Depth
17.4 km (10.8 mi), shallow
Epicenter
48.351° N, 122.528° 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 0.9 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
75°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.1Puget Sound region, Washington · 17739 days ago · 19 km deep · 96 km away
  2. 2.10 km NNW of Woodway, Washington · 17739 days ago · 11 km deep · 62 km away
  3. 1.67 km NNE of May Creek, Washington · 17738 days ago · 9 km deep · 82 km away
  4. 1.51 km WNW of Freeland, Washington · 17736 days ago · 50 km deep · 38 km away
  5. 1.61 km WNW of Larch Way, Washington · 17735 days ago · 13 km deep · 60 km away
  6. 1.82 km SW of Suquamish, Washington · 17734 days ago · 17 km deep · 71 km away
  7. 3.54 km NE of Blyn, Washington · 17732 days ago · 53 km deep · 46 km away
  8. 1.58 km ENE of Marrowstone, Washington · 17732 days ago · 54 km deep · 30 km away
  9. 1.50 km E of Inglewood-Finn Hill, Washington · 17731 days ago · 9 km deep · 74 km away
  10. 1.72 km W of La Conner, Washington · 17711 days ago · 22 km deep · 5 km away
  11. 2.110 km SE of Orcas, Washington · 17709 days ago · 56 km deep · 31 km away
  12. 2.95 km WSW of Coupeville, Washington · 17709 days ago · 21 km deep · 24 km away
  13. 2.211 km SSW of Seabeck, Washington · 17704 days ago · 16 km deep · 93 km away
  14. 1.510 km SSW of Index, Washington · 17703 days ago · 3 km deep · 96 km away
  15. 1.67 km ESE of Deming, Washington · 17698 days ago · 8 km deep · 58 km away

Before

  1. 1.78 km S of Swede Heaven, Washington · 17755 days ago · 8 km deep · 61 km away
  2. 3.127 km W of Quilcene, Washington · 17756 days ago · 41 km deep · 81 km away
  3. 2.08 km WNW of Gorst, Washington · 17757 days ago · 21 km deep · 91 km away
  4. 1.95 km SE of Klahanie, Washington · 17760 days ago · 19 km deep · 100 km away
  5. 2.36 km NNE of Lofall, Washington · 17771 days ago · 19 km deep · 55 km away
  6. 1.71 km NNE of Cathcart, Washington · 17778 days ago · 17 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10845823. Read Tue, Sep 22, 2026, 4:28 AM UTC.