Washington earthquakes

M2.2 earthquake 12 km W of Brinnon, Washington

A magnitude 2.2 earthquake struck 12 km W of Brinnon, Washington on Fri, Sep 24, 1976, 9:39 PM PDT (04:39 UTC), 44 km (28 mi) below the surface.

A larger quake followed: M2.4 2 km NE of Maple Valley, 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
2.2 (md), micro
Local time
UTC
1976-09-25 04:39:25 UTC
Depth
44.4 km (27.6 mi), shallow
Epicenter
47.683° N, 123.067° 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, 0.7 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
111°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.09 km NNW of Carlsborg, Washington · 18259 days ago · 43 km deep · 56 km away
  2. 2.12 km W of Eastmont, WA · 18253 days ago · 25 km deep · 69 km away
  3. 1.6Washington · 18251 days ago · 13 km deep · 98 km away
  4. 1.86 km W of Coupeville, Washington · 18250 days ago · 23 km deep · 63 km away
  5. 1.75 km ENE of Belfair, Washington · 18245 days ago · 19 km deep · 34 km away
  6. 2.42 km NE of Maple Valley, Washington · 18236 days ago · 13 km deep · 84 km away
  7. 1.61 km SE of Stanwood, Washington · 18235 days ago · 24 km deep · 81 km away
  8. 1.97 km ENE of Hobart, Washington · 18234 days ago · 22 km deep · 92 km away
  9. 1.91 km W of Hobart, Washington · 18234 days ago · 18 km deep · 86 km away
  10. 1.84 km S of Orting, Washington · 18234 days ago · -1 km deep · 95 km away
  11. 1.54 km WSW of Hansville, Washington · 18232 days ago · 9 km deep · 42 km away
  12. 1.83 km W of Eastmont, Washington · 18225 days ago · 28 km deep · 67 km away
  13. 1.67 km WSW of Verlot, Washington · 18222 days ago · -1 km deep · 99 km away
  14. 1.86 km SSW of Southworth, Washington · 18218 days ago · 23 km deep · 46 km away
  15. 1.61 km ENE of Riverton, Washington · 18207 days ago · 23 km deep · 63 km away
  16. 1.56 km S of La Conner, Washington · 18203 days ago · 18 km deep · 83 km away

Before

  1. 1.92 km SSW of Sultan, Washington · 18265 days ago · 14 km deep · 94 km away
  2. 1.7Puget Sound region, Washington · 18268 days ago · 18 km deep · 32 km away
  3. 1.63 km NNW of White Center, Washington · 18272 days ago · 12 km deep · 55 km away
  4. 2.15 km WSW of Coupeville, Washington · 18276 days ago · 26 km deep · 63 km away
  5. 4.52 km NNE of Union, Washington · 18276 days ago · 45 km deep · 34 km away
  6. 2.00 km SSE of Lake Marcel-Stillwater, Washington · 18280 days ago · 27 km deep · 87 km away
  7. 4.76 km WSW of Coupeville, Washington · 18282 days ago · 22 km deep · 61 km away
  8. 1.72 km NNW of Freeland, Washington · 18282 days ago · 24 km deep · 55 km away
  9. 1.65 km SSW of Fall City, Washington · 18283 days ago · 25 km deep · 87 km away
  10. 1.710 km W of Skokomish, Washington · 18289 days ago · 8 km deep · 43 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10842263. Read Tue, Sep 22, 2026, 2:45 PM UTC.