Washington earthquakes

M1.8 earthquake 14 km W of Brinnon, Washington

A magnitude 1.8 earthquake struck 14 km W of Brinnon, Washington on Mon, Dec 24, 1984, 9:18 PM PST (05:18 UTC), 45 km (28 mi) below the surface.

A larger quake followed: M3.3 8 km N of Quilcene, Washington. This one was a foreshock.

Brinnon 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
1.8 (md), micro
Local time
UTC
1984-12-25 05:18:55 UTC
Depth
45.1 km (28.0 mi), shallow
Epicenter
47.685° N, 123.094° 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 1.0 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
81°
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: 28 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.20 km SW of Bainbridge Island, Washington · 15241 days ago · 25 km deep · 43 km away
  2. 1.73 km NW of Wilderness Rim, Washington · 15240 days ago · 24 km deep · 100 km away
  3. 1.74 km SW of Des Moines, Washington · 15239 days ago · 15 km deep · 65 km away
  4. 1.74 km ENE of Bonney Lake, Washington · 15238 days ago · 6 km deep · 91 km away
  5. 2.32 km ENE of City of Sammamish, Washington · 15237 days ago · 6 km deep · 81 km away
  6. 1.86 km ESE of Carnation, Washington · 15237 days ago · 12 km deep · 95 km away
  7. 2.58 km NNE of Lake Marcel-Stillwater, Washington · 15236 days ago · 0 km deep · 93 km away
  8. 3.38 km N of Quilcene, Washington · 15235 days ago · 21 km deep · 29 km away
  9. 2.48 km NNE of Lake Marcel-Stillwater, Washington · 15235 days ago · 1 km deep · 93 km away
  10. 1.921 km NNW of Hoodsport, Washington · 15234 days ago · 45 km deep · 17 km away
  11. 1.73 km E of Hobart, Washington · 15228 days ago · 3 km deep · 92 km away
  12. 1.74 km NNE of Bangor Trident Base, Washington · 15225 days ago · 17 km deep · 31 km away
  13. 2.65 km SW of Woodway, Washington · 15223 days ago · 18 km deep · 50 km away
  14. 2.25 km SW of Woodway, Washington · 15223 days ago · 18 km deep · 50 km away
  15. 1.65 km E of Lake Bosworth, Washington · 15222 days ago · -1 km deep · 98 km away
  16. 1.93 km E of Granite Falls, Washington · 15220 days ago · -1 km deep · 98 km away
  17. 1.55 km S of Lake Roesiger, Washington · 15214 days ago · -1 km deep · 91 km away
  18. 1.60 km WNW of Everett, Washington · 15214 days ago · 18 km deep · 74 km away
  19. 1.916 km W of Port Angeles, Washington · 15213 days ago · 44 km deep · 66 km away
  20. 1.77 km NE of Quilcene, Washington · 15213 days ago · 46 km deep · 30 km away
  21. 1.81 km SE of Maplewood, Washington · 15208 days ago · 46 km deep · 53 km away
  22. 2.03 km WSW of North Bend, Washington · 15207 days ago · 18 km deep · 98 km away
  23. 1.93 km WSW of Lake Marcel-Stillwater, Washington · 15207 days ago · 10 km deep · 85 km away
  24. 2.59 km WNW of Shelton, Washington · 15205 days ago · 14 km deep · 51 km away
  25. 1.55 km W of Wilderness Rim, Washington · 15200 days ago · 25 km deep · 97 km away
  26. 1.64 km N of Bryant, Washington · 15196 days ago · 14 km deep · 96 km away
  27. 1.85 km SW of Wilderness Rim, Washington · 15196 days ago · 18 km deep · 100 km away
  28. 1.84 km NNE of East Renton Highlands, Washington · 15194 days ago · 15 km deep · 77 km away

Before

  1. 1.74 km NNW of Bryant, Washington · 15253 days ago · 12 km deep · 94 km away
  2. 2.20 km N of Woodway, Washington · 15257 days ago · 22 km deep · 55 km away
  3. 1.82 km SE of Shoreline, Washington · 15260 days ago · 18 km deep · 58 km away
  4. 1.62 km ENE of Clyde Hill, Washington · 15260 days ago · 24 km deep · 68 km away
  5. 1.533 km N of Amanda Park, Washington · 15260 days ago · 21 km deep · 60 km away
  6. 3.25 km W of Home, Washington · 15260 days ago · 46 km deep · 50 km away
  7. 1.50 km NW of Carnation, Washington · 15261 days ago · 12 km deep · 88 km away
  8. 1.91 km NNE of Crocker, Washington · 15261 days ago · 7 km deep · 100 km away
  9. 1.51 km W of Southworth, Washington · 15268 days ago · 22 km deep · 47 km away
  10. 2.72 km E of Kirkland, Washington · 15277 days ago · 23 km deep · 68 km away
  11. 2.26 km SW of Wilderness Rim, Washington · 15278 days ago · 17 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10183988. Read Mon, Sep 28, 2026, 5:32 PM UTC.