Washington earthquakes

M1.5 earthquake 4 km E of Echo Lake, Washington

A magnitude 1.5 earthquake struck 4 km E of Echo Lake, Washington on Sun, Oct 9, 1977, 8:14 PM PDT (03:14 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M1.8 2 km NNE of Carnation, Washington. This one was a foreshock.

Echo Lake 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
1.5 (md), micro
Local time
UTC
1977-10-10 03:14:21 UTC
Depth
19.2 km (11.9 mi), shallow
Epicenter
47.790° N, 121.984° 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 0.7 km horizontally, 0.9 km in depth
Depth from
From location
Station coverage gap
121°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 1.82 km NNE of Carnation, Washington · 17877 days ago · 22 km deep · 15 km away
  2. 3.36 km E of Sedro-Woolley, Washington · 17875 days ago · 4 km deep · 80 km away
  3. 1.62 km NW of White Center, Washington · 17873 days ago · 19 km deep · 41 km away
  4. 2.10 km E of Riverton, Washington · 17870 days ago · 22 km deep · 41 km away
  5. 2.42 km NNE of Coupeville, Washington · 17867 days ago · 22 km deep · 72 km away
  6. 2.1Washington · 17861 days ago · 7 km deep · 29 km away
  7. 2.18 km NE of Duvall, Washington · 17861 days ago · 16 km deep · 6 km away
  8. 1.62 km W of Burley, Washington · 17852 days ago · 21 km deep · 66 km away
  9. 1.61 km N of Esperance, Washington · 17852 days ago · 6 km deep · 28 km away
  10. 1.92 km SSE of Three Lakes, Washington · 17846 days ago · 8 km deep · 15 km away
  11. 2.32 km WNW of La Conner, Washington · 17845 days ago · 22 km deep · 78 km away
  12. 1.91 km NE of Maple Heights-Lake Desire, Washington · 17833 days ago · 16 km deep · 38 km away
  13. 1.821 km SE of Carbonado, Washington · 17827 days ago · 17 km deep · 93 km away
  14. 1.70 km NNW of Clyde Hill, Washington · 17821 days ago · 21 km deep · 25 km away

Before

  1. 1.81 km E of Enetai, Washington · 17880 days ago · 20 km deep · 50 km away
  2. 1.63 km NW of Suquamish, Washington · 17881 days ago · 21 km deep · 45 km away
  3. 1.76 km N of Anacortes, Washington · 17883 days ago · 18 km deep · 99 km away
  4. 1.64 km WNW of Mercer Island, Washington · 17885 days ago · 38 km deep · 31 km away
  5. 1.56 km SSW of Hansville, Washington · 17888 days ago · 15 km deep · 46 km away
  6. 1.914 km E of Wilkeson, Washington · 17889 days ago · 7 km deep · 78 km away
  7. 1.82 km S of Edison, Washington · 17893 days ago · 17 km deep · 90 km away
  8. 3.06 km SW of Lyman, Washington · 17894 days ago · 6 km deep · 79 km away
  9. 1.96 km E of Arlington Heights, Washington · 17894 days ago · 18 km deep · 45 km away
  10. 1.63 km NE of Bonney Lake, Washington · 17896 days ago · 15 km deep · 67 km away
  11. 1.74 km NE of North Bend, Washington · 17897 days ago · -1 km deep · 35 km away
  12. 2.27 km W of Coupeville, Washington · 17904 days ago · 18 km deep · 76 km away
  13. 1.56 km ESE of Lake Marcel-Stillwater, Washington · 17905 days ago · 16 km deep · 17 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10844878. Read Tue, Sep 22, 2026, 6:06 AM UTC.