Washington earthquakes

M2.1 earthquake 0 km WNW of Normandy Park, Washington

A magnitude 2.1 earthquake struck 0 km WNW of Normandy Park, Washington on Mon, Feb 17, 1986, 8:47 PM PST (04:47 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M2.9 4 km NNE of Ruston, Washington. This one was a foreshock.

Normandy Park 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
2.1 (md), micro
Local time
UTC
1986-02-18 04:47:45 UTC
Depth
17.4 km (10.8 mi), shallow
Epicenter
47.437° N, 122.344° 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 0.3 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
39°
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 1.63 km E of Granite Falls, Washington · 14822 days ago · -1 km deep · 79 km away
  2. 1.70 km NNE of Normandy Park, Washington · 14822 days ago · 18 km deep · 0 km away
  3. 1.74 km SW of Seattle, Washington · 14821 days ago · 7 km deep · 16 km away
  4. 1.511 km SE of Greenwater, Washington · 14816 days ago · 6 km deep · 72 km away
  5. 2.13 km SSE of Klahanie, Washington · 14813 days ago · 15 km deep · 29 km away
  6. 2.04 km NE of Snoqualmie, Washington · 14812 days ago · 10 km deep · 45 km away
  7. 1.74 km E of Lake Marcel-Stillwater, Washington · 14808 days ago · 17 km deep · 47 km away
  8. 2.03 km ESE of Key Center, Washington · 14808 days ago · 13 km deep · 30 km away
  9. 2.94 km NNE of Ruston, Washington · 14805 days ago · 7 km deep · 16 km away
  10. 1.95 km SW of La Grande, Washington · 14802 days ago · -1 km deep · 71 km away
  11. 1.92 km SE of Buckley, Washington · 14792 days ago · 10 km deep · 41 km away
  12. 1.9Washington · 14790 days ago · 21 km deep · 93 km away
  13. 1.63 km WNW of Picnic Point, Washington · 14789 days ago · 9 km deep · 51 km away
  14. 1.77 km SSW of Snoqualmie Pass, Washington · 14789 days ago · 13 km deep · 68 km away
  15. 1.83 km ENE of East Renton Highlands, Washington · 14787 days ago · 0 km deep · 22 km away
  16. 2.24 km ENE of Carnation, Washington · 14786 days ago · 17 km deep · 44 km away
  17. 2.40 km ESE of Clyde Hill, Washington · 14785 days ago · 24 km deep · 24 km away
  18. 1.53 km WNW of Ashford, Washington · 14785 days ago · 25 km deep · 77 km away
  19. 2.04 km NNW of Woods Creek, Washington · 14778 days ago · 16 km deep · 62 km away

Before

  1. 2.03 km NNW of White Center, Washington · 14834 days ago · 21 km deep · 13 km away
  2. 1.83 km SW of Bainbridge Island, Washington · 14834 days ago · 19 km deep · 24 km away
  3. 1.53 km N of Lake Marcel-Stillwater, Washington · 14835 days ago · 21 km deep · 45 km away
  4. 2.112 km ESE of Tanner, Washington · 14836 days ago · 10 km deep · 57 km away
  5. 1.511 km NNE of North Sultan, Washington · 14840 days ago · -1 km deep · 74 km away
  6. 2.45 km ESE of Black Diamond, Washington · 14841 days ago · 12 km deep · 35 km away
  7. 1.5Washington-Oregon border region · 14843 days ago · -1 km deep · 93 km away
  8. 1.77 km ESE of Belfair, WA · 14844 days ago · 19 km deep · 29 km away
  9. 1.96 km ENE of Verlot, Washington · 14844 days ago · 14 km deep · 89 km away
  10. 1.932 km W of Brinnon, Washington · 14844 days ago · 41 km deep · 79 km away
  11. 1.52 km WNW of East Hill-Meridian, Washington · 14852 days ago · 40 km deep · 11 km away
  12. 1.55 km E of Granite Falls, Washington · 14854 days ago · -1 km deep · 80 km away
  13. 1.68 km NE of Tanner, Washington · 14854 days ago · -1 km deep · 52 km away
  14. 2.45 km SW of Hansville, Washington · 14855 days ago · 17 km deep · 53 km away
  15. 2.27 km NNW of Kingston, Washington · 14856 days ago · 49 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10203018. Read Tue, Sep 22, 2026, 8:22 AM UTC.