Washington earthquakes

M2.9 earthquake 1 km SE of Allyn, Washington

A magnitude 2.9 earthquake struck 1 km SE of Allyn, Washington on Sun, Aug 31, 1986, 11:31 AM PDT (18:31 UTC), 27 km (16 mi) below the surface.

Allyn 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
1986-08-31 18:31:59 UTC
Depth
26.5 km (16.5 mi), shallow
Epicenter
47.374° N, 122.810° 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, 0.9 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
28°
Stations used
51

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.4Washington-British Columbia border region · 14626 days ago · 48 km deep · 100 km away
  2. 2.3Puget Sound region, Washington · 14625 days ago · 13 km deep · 62 km away
  3. 2.02 km W of Fox Island, Washington · 14616 days ago · 26 km deep · 18 km away
  4. 1.81 km NNE of Riverton, Washington · 14602 days ago · 25 km deep · 41 km away
  5. 1.72 km E of Kirkland, Washington · 14601 days ago · 14 km deep · 59 km away
  6. 1.83 km NW of Wauna, Washington · 14591 days ago · 25 km deep · 10 km away
  7. 1.51 km S of Erlands Point-Kitsap Lake, Washington · 14579 days ago · 15 km deep · 24 km away
  8. 1.87 km NNW of Pe Ell, Washington · 14577 days ago · 15 km deep · 92 km away
  9. 1.85 km ENE of Southworth, Washington · 14575 days ago · 14 km deep · 33 km away

Before

  1. 2.822 km WSW of Skokomish, Washington · 14632 days ago · 40 km deep · 49 km away
  2. 1.73 km SSE of Klahanie, Washington · 14632 days ago · 19 km deep · 64 km away
  3. 2.5Olympic Peninsula, Washington · 14635 days ago · 40 km deep · 50 km away
  4. 2.810 km NE of Ashford, Washington · 14635 days ago · 11 km deep · 89 km away
  5. 1.68 km S of Rainier, Washington · 14636 days ago · 7 km deep · 64 km away
  6. 2.11 km N of Bothell West, Washington · 14636 days ago · 20 km deep · 65 km away
  7. 2.07 km NE of Ashford, Washington · 14636 days ago · 4 km deep · 91 km away
  8. 2.38 km NNW of Onalaska, Washington · 14639 days ago · 57 km deep · 81 km away
  9. 1.54 km NW of Brinnon, Washington · 14649 days ago · 46 km deep · 38 km away
  10. 1.63 km WSW of Lake Marcel-Stillwater, Washington · 14654 days ago · 18 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10213328. Read Tue, Sep 22, 2026, 6:32 AM UTC.