Washington earthquakes

M3.2 earthquake 7 km SW of Brinnon, Washington

A magnitude 3.2 earthquake struck 7 km SW of Brinnon, Washington on Sun, Aug 27, 1978, 7:17 PM PDT (02:17 UTC), 46 km (28 mi) below the surface.

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
3.2 (md), minor
Local time
UTC
1978-08-28 02:17:11 UTC
Depth
45.8 km (28.4 mi), shallow
Epicenter
47.624° N, 122.956° 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, 1.6 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
96°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 1.66 km NNE of Hoodsport, Washington · 17554 days ago · 2 km deep · 21 km away
  2. 2.16 km N of Kingston, Washington · 17551 days ago · 14 km deep · 43 km away
  3. 1.96 km W of Burley, Washington · 17548 days ago · 22 km deep · 29 km away
  4. 1.610 km NNE of Snoqualmie, Washington · 17541 days ago · -1 km deep · 90 km away
  5. 2.11 km NW of Federal Way, Washington · 17538 days ago · 14 km deep · 57 km away
  6. 2.030 km SE of Clallam Bay, Washington · 17527 days ago · 35 km deep · 90 km away
  7. 2.218 km NNW of Jamestown, Washington · 17526 days ago · 40 km deep · 75 km away
  8. 1.98 km ESE of Kapowsin, Washington · 17507 days ago · 1 km deep · 97 km away
  9. 1.62 km ENE of Dash Point, Washington · 17507 days ago · 24 km deep · 53 km away
  10. 1.61 km WSW of Auburn, Washington · 17507 days ago · 10 km deep · 64 km away

Before

  1. 3.613 km SSE of Oak Bay, Canada · 17562 days ago · 19 km deep · 82 km away
  2. 1.73 km NE of Southworth, Washington · 17572 days ago · 14 km deep · 38 km away
  3. 1.65 km W of Burley, Washington · 17573 days ago · 22 km deep · 29 km away
  4. 1.50 km WSW of North Bend, Washington · 17582 days ago · 19 km deep · 88 km away
  5. 1.54 km SW of Hansville, Washington · 17587 days ago · 12 km deep · 40 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10847788. Read Mon, Sep 21, 2026, 11:27 PM UTC.