Washington earthquakes

M3.2 earthquake 7 km NW of Concrete, Washington

A magnitude 3.2 earthquake struck 7 km NW of Concrete, Washington on Mon, Dec 3, 1984, 11:03 AM PST (19:03 UTC), -1 km (0 mi) below the surface.

Concrete 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
3.2 (md), minor
Local time
UTC
1984-12-03 19:03:21 UTC
Depth
-0.7 km (-0.4 mi), shallow
Epicenter
48.588° N, 121.808° 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 0.3 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
137°
Stations used
18

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 10 in the 30 days before it.

After

  1. 1.96 km NW of Concrete, Washington · 15260 days ago · 1 km deep · 0 km away
  2. 1.65 km NNW of Concrete, Washington · 15256 days ago · 3 km deep · 2 km away
  3. 2.043 km WNW of Winthrop, Washington · 15252 days ago · -1 km deep · 84 km away
  4. 1.66 km NNW of Concrete, Washington · 15252 days ago · 4 km deep · 1 km away
  5. 1.75 km N of Hamilton, Washington · 15252 days ago · 13 km deep · 13 km away
  6. 2.20 km N of Woodway, Washington · 15251 days ago · 22 km deep · 98 km away
  7. 2.97 km NW of Concrete, Washington · 15248 days ago · 2 km deep · 0 km away
  8. 1.74 km NNW of Bryant, Washington · 15246 days ago · 12 km deep · 45 km away
  9. 2.17 km NW of Concrete, Washington · 15240 days ago · 1 km deep · 0 km away
  10. 1.97 km NW of Concrete, Washington · 15238 days ago · 1 km deep · 0 km away
  11. 2.58 km NNE of Lake Marcel-Stillwater, Washington · 15230 days ago · 0 km deep · 92 km away
  12. 2.48 km NNE of Lake Marcel-Stillwater, Washington · 15229 days ago · 1 km deep · 92 km away
  13. 1.76 km WNW of Orcas, Washington · 15220 days ago · 19 km deep · 90 km away
  14. 2.53 km E of Edison, Washington · 15220 days ago · 14 km deep · 43 km away
  15. 1.65 km E of Lake Bosworth, Washington · 15215 days ago · -1 km deep · 60 km away
  16. 2.34 km E of Edison, Washington · 15214 days ago · 14 km deep · 42 km away
  17. 1.75 km ENE of Big Lake, Washington · 15214 days ago · 8 km deep · 32 km away
  18. 1.93 km E of Granite Falls, Washington · 15213 days ago · -1 km deep · 56 km away

Before

  1. 3.17 km NW of Concrete, Washington · 15269 days ago · -1 km deep · 1 km away
  2. 1.59 km NW of Orcas, Washington · 15279 days ago · 20 km deep · 89 km away
  3. 2.31 km ENE of Hamilton, Washington · 15281 days ago · -1 km deep · 14 km away
  4. 2.01 km N of Woods Creek, Washington · 15281 days ago · 16 km deep · 77 km away
  5. 1.73 km NE of Woods Creek, Washington · 15284 days ago · -1 km deep · 77 km away
  6. 2.74 km NNW of Bryant, Washington · 15285 days ago · 14 km deep · 45 km away
  7. 1.91 km E of Brier, Washington · 15292 days ago · 20 km deep · 95 km away
  8. 1.93 km N of Bryant, Washington · 15294 days ago · 15 km deep · 43 km away
  9. 1.710 km NNE of Hamilton, Washington · 15295 days ago · 12 km deep · 11 km away
  10. 1.54 km NE of Mukilteo, Washington · 15297 days ago · 2 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10180848 (also filed as usp00029rx). Read Tue, Sep 22, 2026, 9:39 AM UTC.