Washington earthquakes

M2.4 earthquake 8 km NNE of Marrowstone, Washington

A magnitude 2.4 earthquake struck 8 km NNE of Marrowstone, Washington on Tue, May 4, 1976, 6:08 PM PDT (01:08 UTC), 53 km (33 mi) below the surface.

A larger quake followed: M5.1 10 km ESE of Salt Spring Island, Canada. This one was a foreshock.

Marrowstone 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
2.4 (md), micro
Local time
UTC
1976-05-05 01:08:19 UTC
Depth
53.5 km (33.2 mi), shallow
Epicenter
48.119° N, 122.645° 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 0.9 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
74°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 2.414 km WNW of Orcas, Washington · 18402 days ago · 14 km deep · 68 km away
  2. 2.01 km S of Auburn, Washington · 18399 days ago · 21 km deep · 97 km away
  3. 1.63 km ENE of Union Hill-Novelty Hill, Washington · 18395 days ago · 24 km deep · 69 km away
  4. 5.110 km ESE of Salt Spring Island, Canada · 18391 days ago · 62 km deep · 92 km away
  5. 1.72 km SE of Maple Heights-Lake Desire, Washington · 18385 days ago · 20 km deep · 88 km away
  6. 1.92 km NE of Tracyton, Washington · 18374 days ago · 20 km deep · 55 km away
  7. 2.72 km SE of Canterwood, Washington · 18374 days ago · 16 km deep · 85 km away
  8. 2.28 km S of Concrete, Washington · 18372 days ago · 4 km deep · 78 km away
  9. 1.73 km S of Lake Forest Park, Washington · 18372 days ago · 24 km deep · 52 km away
  10. 2.112 km NE of May Creek, Washington · 18360 days ago · 3 km deep · 83 km away
  11. 2.11 km W of Lake McMurray, Washington · 18356 days ago · 7 km deep · 36 km away
  12. 1.610 km NE of May Creek, Washington · 18356 days ago · 3 km deep · 82 km away
  13. 1.66 km SSW of La Conner, Washington · 18354 days ago · 14 km deep · 25 km away

Before

  1. 2.16 km NW of Orcas, Washington · 18403 days ago · 17 km deep · 64 km away
  2. 1.51 km SE of Bainbridge Island, Washington · 18404 days ago · 22 km deep · 57 km away
  3. 1.53 km NE of Dash Point, Washington · 18404 days ago · 26 km deep · 88 km away
  4. 1.87 km ESE of Quilcene, Washington · 18407 days ago · 17 km deep · 37 km away
  5. 2.36 km WNW of Wauna, Washington · 18407 days ago · 22 km deep · 79 km away
  6. 1.70 km NNE of Algona, Washington · 18408 days ago · 5 km deep · 97 km away
  7. 1.61 km NE of Edmonds, Washington · 18409 days ago · 5 km deep · 39 km away
  8. 1.51 km E of Lake Roesiger, Washington · 18409 days ago · 0 km deep · 57 km away
  9. 1.68 km NNE of Snoqualmie, Washington · 18409 days ago · 4 km deep · 88 km away
  10. 1.61 km SSW of Mountlake Terrace, Washington · 18409 days ago · 23 km deep · 45 km away
  11. 2.01 km SE of Esperance, Washington · 18409 days ago · 19 km deep · 44 km away
  12. 1.96 km NW of Sedro-Woolley, Washington · 18409 days ago · -1 km deep · 55 km away
  13. 2.72 km SW of Mountlake Terrace, Washington · 18409 days ago · 27 km deep · 45 km away
  14. 1.76 km NW of Orcas, Washington · 18420 days ago · 15 km deep · 64 km away
  15. 1.67 km WSW of Camano, Washington · 18423 days ago · 28 km deep · 3 km away
  16. 1.62 km NE of Carnation, Washington · 18427 days ago · 9 km deep · 76 km away
  17. 1.85 km WNW of Wauna, Washington · 18430 days ago · 21 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10841318. Read Tue, Sep 22, 2026, 5:22 PM UTC.