Washington earthquakes

M1.7 earthquake 3 km S of Lake Cavanaugh, Washington

A magnitude 1.7 earthquake struck 3 km S of Lake Cavanaugh, Washington on Thu, Apr 8, 1982, 3:41 PM PST (23:41 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.4 0 km NNE of Bainbridge Island, Washington. This one was a foreshock.

Arlington Heights 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
1.7 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1982-04-08 23:41:44 UTC
Depth
9.8 km (6.1 mi), shallow
Epicenter
48.292° N, 122.019° 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 1.6 km horizontally, 3.1 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
177°
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 27 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.44 km S of Mount Vernon, Washington · 16246 days ago · 15 km deep · 25 km away
  2. 2.62 km SSE of Mount Vernon, Washington · 16246 days ago · 19 km deep · 25 km away
  3. 2.14 km SW of Wilderness Rim, Washington · 16246 days ago · 19 km deep · 98 km away
  4. 3.40 km NNE of Bainbridge Island, Washington · 16241 days ago · 27 km deep · 82 km away
  5. 1.90 km N of Bainbridge Island, Washington · 16241 days ago · 27 km deep · 82 km away
  6. 2.11 km NNE of Bainbridge Island, Washington · 16241 days ago · 27 km deep · 82 km away
  7. 2.40 km ESE of Bainbridge Island, Washington · 16239 days ago · 22 km deep · 83 km away
  8. 2.04 km E of Hobart, Washington · 16235 days ago · 72 km deep · 97 km away
  9. 2.010 km N of Quilcene, Washington · 16234 days ago · 18 km deep · 77 km away
  10. 1.62 km SSW of Snoqualmie, Washington · 16224 days ago · 21 km deep · 89 km away
  11. 1.518 km S of Point Roberts, Washington · 16223 days ago · 74 km deep · 98 km away
  12. 1.6Washington · 16221 days ago · -1 km deep · 86 km away
  13. 1.84 km SSW of Clinton, Washington · 16220 days ago · 28 km deep · 47 km away
  14. 1.96 km NE of Tanner, Washington · 16218 days ago · 11 km deep · 91 km away
  15. 2.010 km SSE of Victoria, Canada · 16217 days ago · 39 km deep · 94 km away
  16. 1.84 km ESE of Wilderness Rim, Washington · 16205 days ago · 13 km deep · 99 km away
  17. 1.65 km N of White Center, Washington · 16200 days ago · 16 km deep · 85 km away
  18. 1.61 km SSE of Inglewood-Finn Hill, Washington · 16196 days ago · 22 km deep · 67 km away
  19. 1.81 km ENE of Mercer Island, Washington · 16196 days ago · 20 km deep · 81 km away
  20. 1.55 km NNW of Friday Harbor, Washington · 16192 days ago · 52 km deep · 82 km away
  21. 1.63 km NNW of Maple Valley, Washington · 16191 days ago · 23 km deep · 97 km away
  22. 1.64 km NNW of Skykomish, Washington · 16190 days ago · 4 km deep · 77 km away
  23. 2.84 km S of Cottage Lake, Washington · 16190 days ago · 1 km deep · 65 km away
  24. 3.03 km S of Cottage Lake, Washington · 16190 days ago · 6 km deep · 65 km away
  25. 1.82 km WSW of Cottage Lake, Washington · 16189 days ago · 16 km deep · 62 km away
  26. 2.73 km S of Cottage Lake, Washington · 16189 days ago · 7 km deep · 65 km away
  27. 1.92 km W of Manchester, Washington · 16188 days ago · 23 km deep · 92 km away

Before

  1. 1.52 km WSW of Monroe, Washington · 16247 days ago · 22 km deep · 49 km away
  2. 1.51 km SSE of Parkwood, Washington · 16256 days ago · 22 km deep · 96 km away
  3. 2.04 km S of Shoreline, Washington · 16260 days ago · 21 km deep · 69 km away
  4. 1.93 km ESE of Indianola, Washington · 16261 days ago · 20 km deep · 72 km away
  5. 1.95 km SSE of Concrete, Washington · 16264 days ago · -1 km deep · 32 km away
  6. 1.82 km S of Issaquah, Washington · 16266 days ago · -1 km deep · 87 km away
  7. 2.10 km ENE of Lake Marcel-Stillwater, Washington · 16272 days ago · 6 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10127523. Read Thu, Oct 1, 2026, 3:40 AM UTC.