Washington earthquakes

M1.8 earthquake 2 km WNW of Echo Lake, Washington

A magnitude 1.8 earthquake struck 2 km WNW of Echo Lake, Washington on Thu, Dec 31, 1981, 5:56 AM PST (13:56 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M2.0 2 km SW of Cottage Lake, 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
1.8 (md), micro
Local time
UTC
1981-12-31 13:56:27 UTC
Depth
20.1 km (12.5 mi), shallow
Epicenter
47.791° N, 122.080° 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, 0.6 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
65°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.02 km SW of Cottage Lake, Washington · 16336 days ago · 15 km deep · 7 km away
  2. 2.918 km NNE of Index, Washington · 16336 days ago · 5 km deep · 48 km away
  3. 1.9Washington · 16335 days ago · -1 km deep · 13 km away
  4. 1.53 km NNW of Lake Marcel-Stillwater, Washington · 16335 days ago · 4 km deep · 13 km away
  5. 2.7Puget Sound region, Washington · 16335 days ago · 14 km deep · 56 km away
  6. 1.63 km ENE of Union Hill-Novelty Hill, Washington · 16332 days ago · -1 km deep · 13 km away
  7. 1.70 km NW of Normandy Park, Washington · 16332 days ago · 17 km deep · 44 km away
  8. 1.61 km SE of Bothell East, Washington · 16330 days ago · 20 km deep · 6 km away
  9. 2.72 km NE of Port Hadlock-Irondale, Washington · 16322 days ago · 55 km deep · 58 km away
  10. 1.66 km WSW of Lake Cavanaugh, Washington · 16322 days ago · 9 km deep · 58 km away
  11. 1.86 km ESE of Bethel, Washington · 16320 days ago · 35 km deep · 51 km away
  12. 1.53 km NE of North Bend, Washington · 16319 days ago · 12 km deep · 39 km away
  13. 1.61 km S of Normandy Park, Washington · 16317 days ago · 8 km deep · 46 km away
  14. 2.26 km W of Rockport, Washington · 16316 days ago · 1 km deep · 83 km away
  15. 2.06 km W of Rockport, Washington · 16316 days ago · 2 km deep · 83 km away
  16. 1.75 km W of Seattle, Washington · 16303 days ago · 21 km deep · 32 km away
  17. 2.13 km ESE of Three Lakes, Washington · 16299 days ago · 12 km deep · 18 km away
  18. 1.61 km WSW of Edmonds, Washington · 16299 days ago · 24 km deep · 23 km away
  19. 1.56 km W of Seattle, Washington · 16299 days ago · 23 km deep · 32 km away
  20. 1.74 km W of Wauna, Washington · 16295 days ago · 23 km deep · 65 km away
  21. 1.513 km ESE of Riverbend, Washington · 16292 days ago · 12 km deep · 56 km away
  22. 2.02 km WSW of Wilderness Rim, Washington · 16289 days ago · 18 km deep · 45 km away
  23. 1.53 km ENE of Union Hill-Novelty Hill, Washington · 16282 days ago · 0 km deep · 13 km away
  24. 2.15 km ESE of Lake Marcel-Stillwater, Washington · 16279 days ago · 13 km deep · 22 km away
  25. 1.50 km ESE of Clyde Hill, Washington · 16279 days ago · 23 km deep · 20 km away

Before

  1. 1.5Washington · 16340 days ago · 11 km deep · 58 km away
  2. 1.718 km NNE of Ashford, Washington · 16344 days ago · 9 km deep · 98 km away
  3. 1.61 km NW of Oak Harbor, Washington · 16359 days ago · 24 km deep · 71 km away
  4. 1.53 km W of Easton, Washington · 16361 days ago · 10 km deep · 89 km away
  5. 1.652 km WNW of Granite Falls, Washington · 16362 days ago · 0 km deep · 98 km away
  6. 1.91 km SE of Lake Stevens, Washington · 16364 days ago · 0 km deep · 24 km away
  7. 1.823 km NNW of Hoodsport, Washington · 16365 days ago · 46 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10124063. Read Wed, Sep 23, 2026, 7:24 AM UTC.