Washington earthquakes

M1.9 earthquake 32 km W of Brinnon, Washington

A magnitude 1.9 earthquake struck 32 km W of Brinnon, Washington on Thu, Jan 30, 1986, 1:36 PM PST (21:36 UTC), 41 km (25 mi) below the surface.

A larger quake followed: M2.3 8 km ESE of Forks, Washington. This one was a foreshock.

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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
1986-01-30 21:36:33 UTC
Depth
40.7 km (25.3 mi), shallow
Epicenter
47.688° N, 123.333° 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, 0.6 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
46°
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: 15 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 1.77 km ESE of Belfair, WA · 14844 days ago · 19 km deep · 54 km away
  2. 1.5Washington-Oregon border region · 14844 days ago · -1 km deep · 97 km away
  3. 2.38 km ESE of Forks, Washington · 14835 days ago · 0 km deep · 75 km away
  4. 1.83 km SW of Bainbridge Island, Washington · 14834 days ago · 19 km deep · 59 km away
  5. 2.03 km NNW of White Center, Washington · 14834 days ago · 21 km deep · 73 km away
  6. 2.10 km WNW of Normandy Park, Washington · 14826 days ago · 17 km deep · 79 km away
  7. 1.70 km NNE of Normandy Park, Washington · 14822 days ago · 18 km deep · 80 km away
  8. 1.74 km SW of Seattle, Washington · 14822 days ago · 7 km deep · 73 km away
  9. 2.03 km ESE of Key Center, Washington · 14808 days ago · 13 km deep · 62 km away
  10. 2.94 km NNE of Ruston, Washington · 14805 days ago · 7 km deep · 75 km away
  11. 1.813 km SE of Oak Bay, Canada · 14804 days ago · 49 km deep · 78 km away
  12. 1.9Washington · 14791 days ago · 21 km deep · 70 km away
  13. 1.63 km WNW of Picnic Point, Washington · 14790 days ago · 9 km deep · 76 km away
  14. 1.83 km ENE of East Renton Highlands, Washington · 14788 days ago · 0 km deep · 97 km away
  15. 2.40 km ESE of Clyde Hill, Washington · 14785 days ago · 24 km deep · 85 km away

Before

  1. 1.52 km WNW of East Hill-Meridian, Washington · 14852 days ago · 40 km deep · 90 km away
  2. 2.45 km SW of Hansville, Washington · 14855 days ago · 17 km deep · 58 km away
  3. 2.27 km NNW of Kingston, Washington · 14856 days ago · 49 km deep · 62 km away
  4. 1.90 km ENE of Clyde Hill, Washington · 14858 days ago · 24 km deep · 84 km away
  5. 1.73 km ESE of Indianola, Washington · 14861 days ago · 22 km deep · 64 km away
  6. 1.76 km W of Port Townsend, Washington · 14864 days ago · 50 km deep · 60 km away
  7. 1.99 km NNW of Belfair, Washington · 14866 days ago · 14 km deep · 40 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10202728. Read Tue, Sep 22, 2026, 3:55 PM UTC.