Washington earthquakes

M1.8 earthquake 2 km NNE of Carnation, Washington

A magnitude 1.8 earthquake struck 2 km NNE of Carnation, Washington on Wed, Oct 12, 1977, 1:51 AM PDT (08:51 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M3.3 6 km E of Sedro-Woolley, Washington. This one was a foreshock.

Carnation 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
1.8 (md), micro
Local time
UTC
1977-10-12 08:51:18 UTC
Depth
22.1 km (13.8 mi), shallow
Epicenter
47.668° N, 121.895° 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 0.4 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
131°
Stations used
10

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 13 in the 30 days before it.

After

  1. 3.36 km E of Sedro-Woolley, Washington · 17876 days ago · 4 km deep · 94 km away
  2. 1.62 km NW of White Center, Washington · 17874 days ago · 19 km deep · 39 km away
  3. 1.625 km ENE of Ashford, Washington · 17871 days ago · 0 km deep · 92 km away
  4. 2.10 km E of Riverton, Washington · 17871 days ago · 22 km deep · 36 km away
  5. 2.42 km NNE of Coupeville, Washington · 17867 days ago · 22 km deep · 86 km away
  6. 2.1Washington · 17861 days ago · 7 km deep · 14 km away
  7. 2.18 km NE of Duvall, Washington · 17861 days ago · 16 km deep · 14 km away
  8. 1.62 km W of Burley, Washington · 17853 days ago · 21 km deep · 65 km away
  9. 1.61 km N of Esperance, Washington · 17852 days ago · 6 km deep · 38 km away
  10. 1.92 km SSE of Three Lakes, Washington · 17846 days ago · 8 km deep · 30 km away
  11. 2.32 km WNW of La Conner, Washington · 17845 days ago · 22 km deep · 94 km away
  12. 1.91 km NE of Maple Heights-Lake Desire, Washington · 17833 days ago · 16 km deep · 28 km away
  13. 2.124 km N of Packwood, Washington · 17830 days ago · 5 km deep · 95 km away
  14. 1.821 km SE of Carbonado, Washington · 17827 days ago · 17 km deep · 78 km away
  15. 1.70 km NNW of Clyde Hill, Washington · 17821 days ago · 21 km deep · 25 km away
  16. 2.11 km WNW of Indianola, Washington · 17819 days ago · 18 km deep · 50 km away

Before

  1. 1.54 km E of Echo Lake, Washington · 17880 days ago · 19 km deep · 15 km away
  2. 1.81 km E of Enetai, Washington · 17881 days ago · 20 km deep · 52 km away
  3. 1.63 km NW of Suquamish, Washington · 17881 days ago · 21 km deep · 53 km away
  4. 1.64 km WNW of Mercer Island, Washington · 17886 days ago · 38 km deep · 29 km away
  5. 1.56 km SSW of Hansville, Washington · 17888 days ago · 15 km deep · 57 km away
  6. 1.914 km E of Wilkeson, Washington · 17889 days ago · 7 km deep · 64 km away
  7. 1.915 km NNE of Ashford, Washington · 17894 days ago · 4 km deep · 87 km away
  8. 3.06 km SW of Lyman, Washington · 17894 days ago · 6 km deep · 93 km away
  9. 1.96 km E of Arlington Heights, Washington · 17895 days ago · 18 km deep · 58 km away
  10. 1.63 km NE of Bonney Lake, Washington · 17897 days ago · 15 km deep · 56 km away
  11. 1.74 km NE of North Bend, Washington · 17898 days ago · -1 km deep · 20 km away
  12. 2.27 km W of Coupeville, Washington · 17905 days ago · 18 km deep · 90 km away
  13. 1.56 km ESE of Lake Marcel-Stillwater, Washington · 17906 days ago · 16 km deep · 5 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10844898. Read Tue, Sep 22, 2026, 2:56 PM UTC.