Washington earthquakes

M2.9 earthquake 4 km NNE of Ruston, Washington

A magnitude 2.9 earthquake struck 4 km NNE of Ruston, Washington on Mon, Mar 10, 1986, 11:23 PM PST (07:23 UTC), 7 km (4 mi) below the surface.

Ruston 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
2.9 (md), micro
Local time
UTC
1986-03-11 07:23:21 UTC
Depth
6.6 km (4.1 mi), shallow
Epicenter
47.335° N, 122.488° 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 0.5 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
26°
Stations used
56

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 12 in the 30 days before it.

After

  1. 1.95 km SW of La Grande, Washington · 14806 days ago · -1 km deep · 60 km away
  2. 1.92 km SE of Buckley, Washington · 14797 days ago · 10 km deep · 42 km away
  3. 1.86 km SSW of Morton, Washington · 14797 days ago · 19 km deep · 93 km away
  4. 1.6Washington · 14795 days ago · 4 km deep · 98 km away
  5. 1.63 km WNW of Picnic Point, Washington · 14794 days ago · 9 km deep · 63 km away
  6. 1.77 km SSW of Snoqualmie Pass, Washington · 14794 days ago · 13 km deep · 78 km away
  7. 1.83 km ENE of East Renton Highlands, Washington · 14792 days ago · 0 km deep · 36 km away
  8. 2.24 km ENE of Carnation, Washington · 14791 days ago · 17 km deep · 59 km away
  9. 2.40 km ESE of Clyde Hill, Washington · 14790 days ago · 24 km deep · 39 km away
  10. 1.53 km WNW of Ashford, Washington · 14790 days ago · 25 km deep · 70 km away
  11. 2.04 km NNW of Woods Creek, Washington · 14782 days ago · 16 km deep · 77 km away
  12. 1.95 km ESE of Mossyrock, Washington · 14772 days ago · 18 km deep · 91 km away
  13. 1.623 km W of Cliffdell, Washington · 14764 days ago · 3 km deep · 95 km away
  14. 1.51 km WNW of North Bend, Washington · 14762 days ago · 16 km deep · 54 km away
  15. 2.36 km S of Hansville, Washington · 14756 days ago · 25 km deep · 58 km away
  16. 2.63 km NNW of Kingston, Washington · 14756 days ago · 25 km deep · 54 km away

Before

  1. 2.03 km ESE of Key Center, Washington · 14813 days ago · 13 km deep · 16 km away
  2. 1.74 km E of Lake Marcel-Stillwater, Washington · 14813 days ago · 17 km deep · 62 km away
  3. 2.04 km NE of Snoqualmie, Washington · 14817 days ago · 10 km deep · 59 km away
  4. 2.13 km SSE of Klahanie, Washington · 14818 days ago · 15 km deep · 44 km away
  5. 1.511 km SE of Greenwater, Washington · 14821 days ago · 6 km deep · 76 km away
  6. 1.74 km SW of Seattle, Washington · 14826 days ago · 7 km deep · 28 km away
  7. 1.70 km NNE of Normandy Park, Washington · 14827 days ago · 18 km deep · 16 km away
  8. 1.63 km E of Granite Falls, Washington · 14827 days ago · -1 km deep · 94 km away
  9. 2.10 km WNW of Normandy Park, Washington · 14831 days ago · 17 km deep · 16 km away
  10. 2.03 km NNW of White Center, Washington · 14839 days ago · 21 km deep · 25 km away
  11. 1.83 km SW of Bainbridge Island, Washington · 14839 days ago · 19 km deep · 30 km away
  12. 1.53 km N of Lake Marcel-Stillwater, Washington · 14840 days ago · 21 km deep · 60 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10203703 (also filed as usp0002rrm). Read Sun, Sep 27, 2026, 7:51 AM UTC.