Washington earthquakes

M1.7 earthquake 4 km S of La Conner, Washington

A magnitude 1.7 earthquake struck 4 km S of La Conner, Washington on Mon, Sep 5, 2005, 2:15 AM PDT (09:15 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M2.9 4 km WSW of Quilcene, 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
1.7 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2005-09-05 09:15:33 UTC
Depth
18.1 km (11.2 mi), shallow
Epicenter
48.353° N, 122.488° 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 1.4 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
76°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 1.82 km ENE of Granite Falls, Washington · 7696 days ago · -1 km deep · 50 km away
  2. 1.72 km SW of Erlands Point-Kitsap Lake, Washington · 7692 days ago · 19 km deep · 88 km away
  3. 2.94 km WSW of Quilcene, Washington · 7690 days ago · 49 km deep · 69 km away
  4. 1.57 km WSW of Carlsborg, Washington · 7689 days ago · 44 km deep · 65 km away
  5. 1.520 km NE of North Saanich, Canada · 7682 days ago · 49 km deep · 70 km away
  6. 1.89 km E of Deming, Washington · 7670 days ago · 12 km deep · 60 km away
  7. 2.36 km S of Kendall, Washington · 7648 days ago · 0 km deep · 62 km away
  8. 1.56 km S of Kendall, Washington · 7646 days ago · 1 km deep · 63 km away
  9. 2.47 km SSW of Seabeck, Washington · 7642 days ago · 21 km deep · 91 km away

Before

  1. 1.73 km SSE of Kingsgate, Washington · 7703 days ago · 2 km deep · 76 km away
  2. 2.02 km ENE of Granite Falls, Washington · 7704 days ago · -1 km deep · 50 km away
  3. 2.17 km ENE of Quilcene, Washington · 7705 days ago · 22 km deep · 60 km away
  4. 2.56 km WSW of Darrington, Washington · 7707 days ago · 8 km deep · 62 km away
  5. 1.65 km ENE of Anacortes, Washington · 7707 days ago · 16 km deep · 21 km away
  6. 2.16 km NE of Duvall, Washington · 7708 days ago · 20 km deep · 77 km away
  7. 2.17 km ENE of Lake Roesiger, WA · 7712 days ago · 12 km deep · 60 km away
  8. 2.13 km S of Geneva, Washington · 7716 days ago · 15 km deep · 41 km away
  9. 1.55 km SW of Coupeville, Washington · 7724 days ago · 16 km deep · 27 km away
  10. 2.217 km ESE of Glacier, Washington · 7724 days ago · 34 km deep · 74 km away
  11. 1.70 km SSW of Oso, Washington · 7726 days ago · 13 km deep · 42 km away
  12. 1.59 km NNW of Orcas, Washington · 7727 days ago · 14 km deep · 52 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10674863. Read Sat, Oct 3, 2026, 4:11 AM UTC.