Washington earthquakes

M1.6 earthquake 3 km E of La Conner, Washington

A magnitude 1.6 earthquake struck 3 km E of La Conner, Washington on Sun, Feb 22, 2004, 10:23 AM PST (18:23 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.8 3 km SW of Clear Lake, 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
1.6 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2004-02-22 18:23:40 UTC
Depth
-0.3 km (-0.2 mi), shallow
Epicenter
48.384° N, 122.444° 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
±0.04
Depth from
Operator assigned
Station coverage gap
60°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.611 km N of Jamestown, Washington · 8252 days ago · 26 km deep · 49 km away
  2. 1.57 km W of Aldergrove, Canada · 8251 days ago · 21 km deep · 75 km away
  3. 1.75 km SW of Aldergrove, Canada · 8249 days ago · 19 km deep · 71 km away
  4. 1.820 km W of Quilcene, Washington · 8242 days ago · 45 km deep · 82 km away
  5. 1.63 km SE of Oso, Washington · 8238 days ago · 13 km deep · 43 km away
  6. 2.52 km WSW of Orcas, Washington · 8234 days ago · 50 km deep · 45 km away
  7. 3.83 km SW of Clear Lake, Washington · 8234 days ago · 0 km deep · 15 km away · felt by 232
  8. 2.10 km NW of Big Lake, Washington · 8234 days ago · 0 km deep · 15 km away
  9. 2.25 km SW of Rockport, Washington · 8230 days ago · -1 km deep · 59 km away
  10. 1.87 km ESE of Cowichan Bay, Canada · 8229 days ago · 20 km deep · 87 km away
  11. 1.55 km ESE of Cowichan Bay, Canada · 8229 days ago · 13 km deep · 89 km away
  12. 1.63 km SW of Lake Marcel-Stillwater, Washington · 8218 days ago · 2 km deep · 87 km away
  13. 2.15 km SW of Woodway, Washington · 8215 days ago · 26 km deep · 68 km away
  14. 1.61 km SSW of Ames Lake, Washington · 8202 days ago · 4 km deep · 92 km away

Before

  1. 1.94 km ESE of Cathcart, Washington · 8267 days ago · 28 km deep · 69 km away
  2. 1.86 km W of Conway, Washington · 8268 days ago · 10 km deep · 4 km away
  3. 2.44 km ESE of La Conner, Washington · 8270 days ago · -1 km deep · 1 km away
  4. 1.621 km SSW of Blyn, Washington · 8271 days ago · 45 km deep · 79 km away
  5. 2.97 km S of Point Roberts, Washington · 8281 days ago · 21 km deep · 75 km away
  6. 1.89 km SSW of Sultan, Washington · 8284 days ago · 4 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10601853. Read Fri, Oct 2, 2026, 1:46 AM UTC.