Washington earthquakes

M2.3 earthquake 4 km ESE of La Conner, Washington

A magnitude 2.3 earthquake struck 4 km ESE of La Conner, Washington on Thu, May 31, 1973, 1:45 AM PDT (08:45 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.1 17 km NW of Orcas, 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
2.3 (md), micro
Local time
UTC
1973-05-31 08:45:30 UTC
Depth
11.3 km (7.0 mi), shallow
Epicenter
48.376° N, 122.440° 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 1.0 km horizontally, 2.5 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
158°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 1.93 km SSW of Concrete, Washington · 19471 days ago · -1 km deep · 52 km away
  2. 1.84 km SSE of Freeland, Washington · 19470 days ago · 54 km deep · 45 km away
  3. 1.93 km NE of Big Lake, Washington · 19469 days ago · 18 km deep · 18 km away
  4. 3.117 km NW of Orcas, Washington · 19466 days ago · 19 km deep · 62 km away
  5. 3.36 km ENE of Fall City, Washington · 19463 days ago · 5 km deep · 98 km away
  6. 1.53 km WSW of Hansville, Washington · 19461 days ago · -1 km deep · 53 km away
  7. 1.91 km SSE of Newcastle, Washington · 19461 days ago · -1 km deep · 97 km away
  8. 2.36 km SSE of Kendall, Washington · 19460 days ago · 10 km deep · 60 km away
  9. 1.63 km SW of Brinnon, Washington · 19455 days ago · 43 km deep · 88 km away
  10. 2.17 km WNW of Gorst, Washington · 19438 days ago · 21 km deep · 95 km away
  11. 1.72 km WSW of Medina, Washington · 19429 days ago · -1 km deep · 86 km away
  12. 2.65 km S of Sultan, Washington · 19421 days ago · 16 km deep · 78 km away
  13. 1.64 km SW of Hansville, Washington · 19421 days ago · 18 km deep · 56 km away
  14. 2.55 km SW of Darrington, Washington · 19419 days ago · -1 km deep · 61 km away
  15. 2.82 km ENE of Lochsloy, Washington · 19417 days ago · 43 km deep · 48 km away
  16. 1.50 km WSW of Oak Bay, Canada · 19417 days ago · 47 km deep · 65 km away
  17. 2.12 km N of Burlington, Washington · 19414 days ago · 11 km deep · 16 km away

Before

  1. 1.81 km E of Yarrow Point, Washington · 19477 days ago · -1 km deep · 83 km away
  2. 2.42 km E of Yarrow Point, Washington · 19477 days ago · -1 km deep · 84 km away
  3. 2.07 km ESE of Carnation, Washington · 19484 days ago · 6 km deep · 95 km away
  4. 1.83 km NE of Redmond, Washington · 19488 days ago · 15 km deep · 80 km away
  5. 2.213 km SSW of Gold Bar, Washington · 19489 days ago · 3 km deep · 88 km away
  6. 1.80 km ENE of White Center, Washington · 19490 days ago · 27 km deep · 95 km away
  7. 2.66 km SSW of Hansville, Washington · 19493 days ago · 21 km deep · 58 km away
  8. 1.97 km ESE of Quilcene, Washington · 19495 days ago · 15 km deep · 68 km away
  9. 1.711 km WNW of Ault Field, Washington · 19500 days ago · 23 km deep · 28 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10856293. Read Tue, Sep 22, 2026, 7:41 AM UTC.