Washington earthquakes

M1.8 earthquake 5 km SW of Lake Cavanaugh, Washington

A magnitude 1.8 earthquake struck 5 km SW of Lake Cavanaugh, Washington on Fri, Jan 30, 1976, 10:49 PM PST (06:49 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M3.5 2 km E of Conway, Washington. This one was a foreshock.

Bryant 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, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1976-01-31 06:49:49 UTC
Depth
13.1 km (8.1 mi), shallow
Epicenter
48.291° 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, 1.0 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
120°
Stations used
9

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 15 in the 30 days before it.

After

  1. 3.52 km E of Conway, Washington · 18506 days ago · 15 km deep · 18 km away
  2. 1.52 km W of Fall City, Washington · 18497 days ago · 16 km deep · 81 km away
  3. 2.14 km NNE of Covington, Washington · 18495 days ago · 18 km deep · 100 km away
  4. 1.84 km NNE of Aldergrove East, Canada · 18487 days ago · 3 km deep · 93 km away
  5. 2.53 km W of Monroe, Washington · 18484 days ago · 24 km deep · 49 km away
  6. 1.811 km ENE of Snoqualmie, Washington · 18482 days ago · 10 km deep · 84 km away
  7. 1.83 km SW of Lake Forest Park, Washington · 18478 days ago · 22 km deep · 64 km away
  8. 1.7Washington · 18477 days ago · 13 km deep · 13 km away
  9. 1.813 km NNE of Snoqualmie, Washington · 18475 days ago · 11 km deep · 78 km away
  10. 1.52 km SSE of Erlands Point-Kitsap Lake, Washington · 18472 days ago · 18 km deep · 92 km away
  11. 2.05 km W of Orcas, Washington · 18467 days ago · 10 km deep · 77 km away
  12. 1.94 km NE of Alger, Washington · 18463 days ago · 13 km deep · 43 km away
  13. 1.50 km NE of Lynnwood, Washington · 18461 days ago · 18 km deep · 54 km away
  14. 1.516 km NE of Snoqualmie, Washington · 18459 days ago · 9 km deep · 78 km away

Before

  1. 1.76 km SE of Port Ludlow, Washington · 18507 days ago · 14 km deep · 61 km away
  2. 1.71 km SW of Union Hill-Novelty Hill, Washington · 18509 days ago · 8 km deep · 69 km away
  3. 2.91 km NNE of Silver Firs, Washington · 18510 days ago · 14 km deep · 47 km away
  4. 1.97 km E of Verlot, Washington · 18513 days ago · -1 km deep · 37 km away
  5. 1.93 km WSW of Anacortes, Washington · 18518 days ago · 13 km deep · 49 km away
  6. 2.16 km WSW of Lake Cavanaugh, Washington · 18525 days ago · 4 km deep · 2 km away
  7. 2.45 km SW of Lake Cavanaugh, Washington · 18525 days ago · 9 km deep · 1 km away
  8. 2.311 km SE of Blyn, Washington · 18530 days ago · 48 km deep · 73 km away
  9. 1.714 km SE of Verlot, Washington · 18530 days ago · 3 km deep · 46 km away
  10. 1.62 km SW of Poulsbo, Washington · 18530 days ago · 16 km deep · 78 km away
  11. 1.815 km ESE of Verlot, Washington · 18531 days ago · 6 km deep · 46 km away
  12. 3.33 km SE of Bethel, Washington · 18532 days ago · 42 km deep · 99 km away
  13. 2.11 km NNE of Bellevue, Washington · 18533 days ago · 26 km deep · 75 km away
  14. 1.92 km SE of Shoreline, Washington · 18533 days ago · 18 km deep · 64 km away
  15. 1.61 km WSW of Roosevelt, Washington · 18533 days ago · 14 km deep · 45 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10840633. Read Thu, Oct 1, 2026, 9:40 AM UTC.