Washington earthquakes

M1.6 earthquake 8 km NNE of Sedro-Woolley, Washington

A magnitude 1.6 earthquake struck 8 km NNE of Sedro-Woolley, Washington on Wed, Oct 8, 2025, 7:54 AM PDT (14:54 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M2.7 10 km SE of Salt Spring Island, Canada. This one was a foreshock.

Sedro-Woolley 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
1.6 (ML, local (Richter)), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2025-10-08 14:54:54 UTC
Depth
8.5 km (5.3 mi), shallow
Epicenter
48.570° N, 122.188° 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 0.3 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
68°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 1.74 km W of Mount Vernon, Washington · 355 days ago · 10 km deep · 22 km away
  2. 2.710 km SE of Salt Spring Island, Canada · 347 days ago · 12 km deep · 90 km away · felt by 105
  3. 1.93 km NE of Quilcene, Washington · 344 days ago · 50 km deep · 95 km away
  4. 1.51 km NE of Esperance, Washington · 344 days ago · 24 km deep · 86 km away
  5. 2.23 km SW of Port Ludlow, Washington · 338 days ago · 9 km deep · 84 km away
  6. 1.64 km W of Mount Vernon, Washington · 334 days ago · 10 km deep · 22 km away
  7. 1.54 km WSW of Concrete, Washington · 332 days ago · 5 km deep · 28 km away
  8. 2.35 km SSE of Esquimalt, Canada · 327 days ago · 26 km deep · 91 km away · felt by 2
  9. 1.73 km NNW of Warm Beach, Washington · 320 days ago · 19 km deep · 43 km away
  10. 1.83 km SE of Quilcene, Washington · 319 days ago · 22 km deep · 99 km away
  11. 1.50 km W of Snohomish, Washington · 317 days ago · 24 km deep · 73 km away · felt by 1
  12. 1.97 km S of La Conner, Washington · 310 days ago · 23 km deep · 36 km away
  13. 1.92 km NE of La Conner, Washington · 306 days ago · 20 km deep · 28 km away
  14. 2.12 km NE of La Conner, Washington · 306 days ago · 20 km deep · 28 km away
  15. 2.12 km NNE of La Conner, Washington · 306 days ago · 20 km deep · 28 km away
  16. 1.89 km WNW of White Rock, Canada · 306 days ago · 19 km deep · 75 km away
  17. 2.22 km NNE of La Conner, Washington · 306 days ago · 20 km deep · 28 km away · felt by 1
  18. 1.71 km SE of Shoreline, Washington · 304 days ago · 29 km deep · 92 km away
  19. 2.04 km WNW of Edison, Washington · 301 days ago · 16 km deep · 23 km away
  20. 2.14 km SE of Mount Vernon, Washington · 301 days ago · 18 km deep · 22 km away · felt by 1

Before

  1. 1.76 km SW of Saanichton, Canada · 360 days ago · 26 km deep · 94 km away
  2. 2.15 km WNW of Lynden, Washington · 363 days ago · 17 km deep · 51 km away · felt by 10
  3. 1.710 km N of Jamestown, Washington · 368 days ago · 17 km deep · 76 km away · felt by 1
  4. 1.88 km SSW of Birch Bay, Washington · 375 days ago · 17 km deep · 55 km away
  5. 2.16 km WNW of Coupeville, Washington · 376 days ago · 23 km deep · 56 km away
  6. 2.97 km ENE of Marrowstone, Washington · 382 days ago · 54 km deep · 63 km away · felt by 71
  7. 1.810 km S of Point Roberts, Washington · 383 days ago · 15 km deep · 74 km away
  8. 2.312 km NNE of Maple Ridge, Canada · 389 days ago · 12 km deep · 87 km away · felt by 95
  9. 1.68 km SW of Chilliwack, Canada · 389 days ago · 10 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw62190887. Read Sat, Oct 3, 2026, 12:03 AM UTC.