Washington earthquakes

M1.8 earthquake 0 km S of Big Lake, Washington

A magnitude 1.8 earthquake struck 0 km S of Big Lake, Washington on Sat, Jan 18, 1986, 3:26 AM PST (11:26 UTC), 14 km (8 mi) below the surface.

A larger quake followed: M2.2 7 km NNW of Kingston, 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
1.8 (md), micro
Local time
UTC
1986-01-18 11:26:44 UTC
Depth
13.7 km (8.5 mi), shallow
Epicenter
48.403° N, 122.241° 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 1.0 km horizontally, 2.3 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
142°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 2.27 km NNW of Kingston, Washington · 14856 days ago · 49 km deep · 65 km away
  2. 2.45 km SW of Hansville, Washington · 14855 days ago · 17 km deep · 64 km away
  3. 1.55 km E of Granite Falls, Washington · 14855 days ago · -1 km deep · 43 km away
  4. 1.96 km ENE of Verlot, Washington · 14845 days ago · 14 km deep · 51 km away
  5. 1.511 km NNE of North Sultan, Washington · 14841 days ago · -1 km deep · 59 km away
  6. 1.920 km NNE of Concrete, Washington · 14840 days ago · -1 km deep · 54 km away
  7. 1.53 km N of Lake Marcel-Stillwater, Washington · 14835 days ago · 21 km deep · 79 km away
  8. 1.59 km NE of Lake Cavanaugh, Washington · 14834 days ago · -1 km deep · 22 km away
  9. 1.83 km SW of Bainbridge Island, Washington · 14834 days ago · 19 km deep · 92 km away
  10. 2.03 km NNW of White Center, Washington · 14834 days ago · 21 km deep · 96 km away
  11. 3.19 km NE of Lake Cavanaugh, Washington · 14834 days ago · 3 km deep · 22 km away
  12. 3.99 km NE of Lake Cavanaugh, Washington · 14834 days ago · -1 km deep · 22 km away
  13. 2.28 km NNE of Lake Cavanaugh, Washington · 14834 days ago · 1 km deep · 21 km away
  14. 1.79 km NNE of Lake Cavanaugh, Washington · 14834 days ago · 3 km deep · 21 km away
  15. 1.69 km NNE of Lake Cavanaugh, Washington · 14834 days ago · 2 km deep · 21 km away
  16. 1.69 km NE of Lake Cavanaugh, Washington · 14827 days ago · -1 km deep · 22 km away
  17. 1.63 km E of Granite Falls, Washington · 14823 days ago · -1 km deep · 42 km away
  18. 1.74 km SW of Seattle, Washington · 14822 days ago · 7 km deep · 92 km away
  19. 2.13 km SSE of Klahanie, Washington · 14814 days ago · 15 km deep · 97 km away
  20. 1.74 km E of Lake Marcel-Stillwater, Washington · 14809 days ago · 17 km deep · 84 km away
  21. 2.29 km NNW of Friday Harbor, Washington · 14807 days ago · 10 km deep · 66 km away
  22. 1.813 km SE of Oak Bay, Canada · 14804 days ago · 49 km deep · 67 km away

Before

  1. 1.90 km ENE of Clyde Hill, Washington · 14858 days ago · 24 km deep · 85 km away
  2. 1.84 km NW of Skykomish, Washington · 14861 days ago · -1 km deep · 97 km away
  3. 1.73 km ESE of Indianola, Washington · 14861 days ago · 22 km deep · 76 km away
  4. 2.87 km ESE of Verlot, Washington · 14863 days ago · 1 km deep · 56 km away
  5. 2.18 km ESE of Verlot, Washington · 14863 days ago · 4 km deep · 56 km away
  6. 1.76 km W of Port Townsend, Washington · 14864 days ago · 50 km deep · 55 km away
  7. 1.810 km S of Darrington, Washington · 14866 days ago · 8 km deep · 54 km away
  8. 2.33 km N of Hamilton, Washington · 14868 days ago · 1 km deep · 25 km away
  9. 1.78 km ESE of Verlot, Washington · 14870 days ago · 1 km deep · 56 km away
  10. 1.79 km E of Verlot, Washington · 14870 days ago · 3 km deep · 57 km away
  11. 2.31 km E of Mission, Canada · 14874 days ago · 15 km deep · 81 km away
  12. 1.64 km ESE of Cathcart, Washington · 14875 days ago · 0 km deep · 65 km away
  13. 1.50 km W of Oak Harbor, Washington · 14878 days ago · 25 km deep · 33 km away
  14. 1.72 km SW of Chico, Washington · 14881 days ago · 22 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10201728. Read Tue, Sep 22, 2026, 6:31 PM UTC.