Washington earthquakes

M1.7 earthquake 8 km SW of Sultan, Washington

A magnitude 1.7 earthquake struck 8 km SW of Sultan, Washington on Thu, Sep 25, 2003, 2:30 PM PDT (21:30 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M2.3 3 km S of Fall City, Washington. This one was a foreshock.

Sultan 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
2003-09-25 21:30:35 UTC
Depth
8.7 km (5.4 mi), shallow
Epicenter
47.796° N, 121.884° 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 0.0 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
63°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 24 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.13 km NE of Anacortes, Washington · 8404 days ago · 16 km deep · 98 km away
  2. 2.010 km NNW of Marblemount, Washington · 8403 days ago · 0 km deep · 94 km away
  3. 1.91 km WSW of Maple Valley, Washington · 8400 days ago · 8 km deep · 47 km away
  4. 1.61 km WNW of Maple Valley, Washington · 8399 days ago · 6 km deep · 46 km away
  5. 1.68 km NNW of Freeland, Washington · 8399 days ago · 57 km deep · 60 km away
  6. 1.61 km NNW of Gig Harbor, Washington · 8398 days ago · 29 km deep · 73 km away
  7. 1.911 km SE of Skykomish, Washington · 8396 days ago · 5 km deep · 50 km away
  8. 1.81 km NW of Maple Valley, Washington · 8394 days ago · 11 km deep · 46 km away
  9. 1.50 km ENE of Maple Valley, Washington · 8394 days ago · 9 km deep · 46 km away
  10. 1.62 km NE of Fall City, Washington · 8389 days ago · 7 km deep · 24 km away
  11. 1.71 km WSW of Mountlake Terrace, Washington · 8387 days ago · 18 km deep · 33 km away
  12. 1.510 km ESE of Riverbend, Washington · 8386 days ago · 12 km deep · 46 km away
  13. 1.65 km WSW of Belfair, Washington · 8385 days ago · 21 km deep · 86 km away
  14. 2.33 km S of Fall City, Washington · 8377 days ago · 18 km deep · 29 km away
  15. 1.60 km SW of Navy Yard City, Washington · 8371 days ago · 17 km deep · 65 km away
  16. 1.711 km W of Coupeville, Washington · 8370 days ago · 15 km deep · 86 km away
  17. 1.68 km SSW of Swede Heaven, Washington · 8361 days ago · 13 km deep · 47 km away
  18. 2.04 km SW of Fall City, Washington · 8359 days ago · 21 km deep · 29 km away
  19. 1.56 km ESE of Oso, Washington · 8358 days ago · 13 km deep · 50 km away
  20. 1.79 km S of Leavenworth, Washington · 8358 days ago · -1 km deep · 98 km away
  21. 1.85 km WSW of Lofall, Washington · 8357 days ago · 58 km deep · 63 km away
  22. 1.73 km SW of Clinton, Washington · 8357 days ago · 32 km deep · 42 km away
  23. 1.86 km WSW of La Conner, Washington · 8351 days ago · 62 km deep · 83 km away
  24. 2.01 km S of Mirrormont, Washington · 8347 days ago · 19 km deep · 40 km away

Before

  1. 1.55 km WSW of Hansville, Washington · 8410 days ago · 21 km deep · 56 km away
  2. 2.214 km NE of Jamestown, Washington · 8410 days ago · 24 km deep · 91 km away
  3. 2.06 km NE of Fall City, Washington · 8411 days ago · 17 km deep · 21 km away
  4. 1.55 km NE of Anacortes, Washington · 8414 days ago · 12 km deep · 98 km away
  5. 1.618 km ESE of Darrington, Washington · 8416 days ago · 7 km deep · 56 km away
  6. 1.818 km ESE of Darrington, Washington · 8416 days ago · 9 km deep · 58 km away
  7. 1.84 km N of Lake Marcel-Stillwater, Washington · 8419 days ago · 6 km deep · 7 km away
  8. 1.952 km WNW of Granite Falls, Washington · 8427 days ago · -1 km deep · 81 km away
  9. 2.38 km NNE of North Sultan, Washington · 8431 days ago · 11 km deep · 20 km away
  10. 1.936 km N of Leavenworth, Washington · 8436 days ago · 5 km deep · 89 km away
  11. 1.81 km E of Maltby, Washington · 8436 days ago · 23 km deep · 16 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10607128. Read Thu, Oct 1, 2026, 12:04 PM UTC.