Washington earthquakes

M2.1 earthquake 3 km NE of Anacortes, Washington

A magnitude 2.1 earthquake struck 3 km NE of Anacortes, Washington on Sat, Sep 27, 2003, 5:44 PM PDT (00:44 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M2.5 8 km ESE of Oak Bay, Canada. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.1 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2003-09-28 00:44:00 UTC
Depth
15.6 km (9.7 mi), shallow
Epicenter
48.541° N, 122.583° 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
±0.05
Depth from
Operator assigned
Station coverage gap
76°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.010 km NNW of Marblemount, Washington · 8404 days ago · 0 km deep · 78 km away
  2. 1.68 km NNW of Freeland, Washington · 8399 days ago · 57 km deep · 51 km away
  3. 2.58 km ESE of Oak Bay, Canada · 8391 days ago · 44 km deep · 48 km away
  4. 1.71 km WSW of Mountlake Terrace, Washington · 8387 days ago · 18 km deep · 86 km away
  5. 1.932 km NNE of Marblemount, WA · 8371 days ago · -1 km deep · 95 km away
  6. 1.711 km W of Coupeville, Washington · 8370 days ago · 15 km deep · 38 km away
  7. 1.68 km SSW of Swede Heaven, Washington · 8361 days ago · 13 km deep · 70 km away
  8. 1.56 km ESE of Oso, Washington · 8358 days ago · 13 km deep · 63 km away
  9. 1.85 km WSW of Lofall, Washington · 8358 days ago · 58 km deep · 83 km away
  10. 1.73 km SW of Clinton, Washington · 8357 days ago · 32 km deep · 66 km away
  11. 1.86 km WSW of La Conner, Washington · 8351 days ago · 62 km deep · 19 km away
  12. 1.77 km NNW of Anacortes, Washington · 8350 days ago · 14 km deep · 6 km away
  13. 2.42 km NW of Warm Beach, Washington · 8345 days ago · 34 km deep · 42 km away

Before

  1. 1.78 km SW of Sultan, Washington · 8407 days ago · 9 km deep · 98 km away
  2. 1.55 km WSW of Hansville, Washington · 8410 days ago · 21 km deep · 72 km away
  3. 1.55 km SSE of Lynden, Washington · 8410 days ago · 16 km deep · 42 km away
  4. 2.214 km NE of Jamestown, Washington · 8410 days ago · 24 km deep · 44 km away
  5. 1.55 km NE of Anacortes, Washington · 8414 days ago · 12 km deep · 2 km away
  6. 1.618 km ESE of Darrington, Washington · 8416 days ago · 7 km deep · 97 km away
  7. 1.818 km ESE of Darrington, Washington · 8416 days ago · 9 km deep · 98 km away
  8. 2.38 km NNE of North Sultan, Washington · 8431 days ago · 11 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10609583. Read Thu, Oct 1, 2026, 4:51 PM UTC.