Washington earthquakes

M1.5 earthquake 5 km N of Sedro-Woolley, Washington

A magnitude 1.5 earthquake struck 5 km N of Sedro-Woolley, Washington on Sat, Dec 3, 1983, 5:23 PM PST (01:23 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M1.8 0 km NNE of Ferndale, Washington. This one was a foreshock.

Sedro-Woolley forecastMore in Washington

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
1.5 (md), micro
Local time
UTC
1983-12-04 01:23:15 UTC
Depth
-0.7 km (-0.4 mi), shallow
Epicenter
48.553° N, 122.231° 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 0.6 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
192°, poorly surrounded by stations
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 1.80 km NNE of Ferndale, Washington · 15626 days ago · 19 km deep · 42 km away
  2. 1.54 km NE of Conway, Washington · 15625 days ago · 5 km deep · 21 km away
  3. 1.62 km SSW of Bay View, Washington · 15621 days ago · 18 km deep · 21 km away
  4. 1.61 km SW of Bay View, Washington · 15621 days ago · 16 km deep · 22 km away
  5. 1.84 km E of Granite Falls, Washington · 15619 days ago · -1 km deep · 57 km away
  6. 2.417 km NE of May Creek, Washington · 15610 days ago · 4 km deep · 82 km away
  7. 2.22 km NNE of Redmond, Washington · 15610 days ago · 15 km deep · 96 km away
  8. 1.75 km SW of Mount Vernon, Washington · 15610 days ago · 18 km deep · 22 km away
  9. 2.43 km ESE of Blaine, Washington · 15601 days ago · 19 km deep · 59 km away
  10. 1.69 km NNE of Lake Marcel-Stillwater, Washington · 15601 days ago · -1 km deep · 91 km away
  11. 2.02 km SW of Hamilton, Washington · 15600 days ago · -1 km deep · 17 km away
  12. 1.57 km SSE of Quilcene, Washington · 15599 days ago · 50 km deep · 99 km away
  13. 1.81 km WNW of Lake Forest Park, Washington · 15599 days ago · 16 km deep · 88 km away
  14. 1.54 km NE of Granite Falls, Washington · 15597 days ago · 12 km deep · 54 km away
  15. 2.38 km WNW of Friday Harbor, Washington · 15587 days ago · 51 km deep · 66 km away
  16. 2.16 km WSW of Swede Heaven, Washington · 15586 days ago · -1 km deep · 44 km away
  17. 1.65 km NNE of Lake Roesiger, Washington · 15580 days ago · 15 km deep · 64 km away
  18. 1.818 km ESE of Darrington, Washington · 15574 days ago · 10 km deep · 75 km away

Before

  1. 1.72 km N of Deming, Washington · 15635 days ago · 21 km deep · 33 km away
  2. 2.22 km NW of Deming, Washington · 15636 days ago · 1 km deep · 32 km away
  3. 2.3Washington · 15636 days ago · 19 km deep · 22 km away
  4. 2.17 km SSW of La Conner, Washington · 15637 days ago · 17 km deep · 33 km away
  5. 1.51 km NE of Quilcene, Washington · 15638 days ago · 4 km deep · 93 km away
  6. 1.67 km S of River Road, Washington · 15638 days ago · 0 km deep · 91 km away
  7. 1.98 km NNE of Lake Marcel-Stillwater, Washington · 15638 days ago · -1 km deep · 92 km away
  8. 2.210 km ENE of Verlot, Washington · 15638 days ago · 13 km deep · 64 km away
  9. 1.51 km SE of Coupeville, Washington · 15644 days ago · 20 km deep · 50 km away
  10. 1.55 km NNE of Bryant, Washington · 15646 days ago · 15 km deep · 32 km away
  11. 2.07 km NE of Lofall, Washington · 15650 days ago · 19 km deep · 82 km away
  12. 1.8Washington · 15661 days ago · 24 km deep · 60 km away
  13. 2.13 km ENE of May Creek, Washington · 15663 days ago · 10 km deep · 89 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10168638. Read Tue, Sep 22, 2026, 5:22 PM UTC.