Washington earthquakes

M1.9 earthquake 13 km WSW of Brinnon, Washington

A magnitude 1.9 earthquake struck 13 km WSW of Brinnon, Washington on Tue, Aug 4, 1981, 1:34 AM PDT (08:34 UTC), 43 km (27 mi) below the surface.

A larger quake followed: M2.4 4 km NNE of Tracyton, 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
1.9 (md), micro
Local time
UTC
1981-08-04 08:34:12 UTC
Depth
43.2 km (26.9 mi), shallow
Epicenter
47.643° N, 123.063° 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 0.8 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
67°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 1.70 km NNE of Duvall, Washington · 16484 days ago · -1 km deep · 82 km away
  2. 2.44 km NNE of Tracyton, Washington · 16480 days ago · 22 km deep · 33 km away
  3. 2.04 km SSW of Orting, Washington · 16471 days ago · 0 km deep · 91 km away
  4. 1.9Washington-Oregon border region · 16469 days ago · 36 km deep · 95 km away
  5. 2.821 km ENE of Amanda Park, Washington · 16467 days ago · 40 km deep · 45 km away
  6. 2.12 km WNW of Home, Washington · 16462 days ago · 22 km deep · 45 km away
  7. 2.31 km SSE of Lakeland North, Washington · 16452 days ago · 7 km deep · 69 km away
  8. 2.44 km WSW of Chico, Washington · 16448 days ago · 13 km deep · 23 km away
  9. 1.62 km SSW of Parkland, Washington · 16443 days ago · 53 km deep · 73 km away
  10. 1.73 km ENE of Union Hill-Novelty Hill, Washington · 16432 days ago · -1 km deep · 81 km away
  11. 1.91 km S of Hobart, Washington · 16430 days ago · 1 km deep · 86 km away
  12. 1.82 km S of Mercer Island, Washington · 16429 days ago · 0 km deep · 64 km away
  13. 1.93 km ENE of Union Hill-Novelty Hill, Washington · 16425 days ago · 6 km deep · 80 km away

Before

  1. 1.93 km W of Fobes Hill, Washington · 16490 days ago · 14 km deep · 75 km away
  2. 1.68 km ESE of McKenna, Washington · 16491 days ago · 20 km deep · 93 km away
  3. 1.83 km NNE of Crocker, Washington · 16494 days ago · 2 km deep · 94 km away
  4. 2.320 km S of Port Angeles East, Washington · 16497 days ago · 44 km deep · 40 km away
  5. 1.95 km NW of Wauna, Washington · 16510 days ago · 23 km deep · 38 km away
  6. 1.87 km E of Carnation, Washington · 16513 days ago · 12 km deep · 94 km away
  7. 1.73 km W of Erlands Point-Kitsap Lake, Washington · 16513 days ago · 13 km deep · 24 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10124798. Read Mon, Sep 21, 2026, 9:00 PM UTC.