Washington earthquakes

M1.6 earthquake 5 km WSW of Belfair, Washington

A magnitude 1.6 earthquake struck 5 km WSW of Belfair, Washington on Fri, Oct 17, 2003, 9:16 AM PDT (16:16 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M2.4 2 km NW of Warm Beach, Washington. This one was a foreshock.

Belfair 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 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2003-10-17 16:16:42 UTC
Depth
20.7 km (12.9 mi), shallow
Epicenter
47.438° N, 122.895° 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, 0.8 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
133°
Stations used
25

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 14 in the 30 days before it.

After

  1. 2.33 km S of Fall City, Washington · 8377 days ago · 18 km deep · 76 km away
  2. 1.60 km SW of Navy Yard City, Washington · 8371 days ago · 17 km deep · 21 km away
  3. 1.711 km W of Coupeville, Washington · 8370 days ago · 15 km deep · 89 km away
  4. 2.04 km SW of Fall City, Washington · 8359 days ago · 21 km deep · 73 km away
  5. 1.85 km WSW of Lofall, Washington · 8358 days ago · 58 km deep · 42 km away
  6. 1.73 km SW of Clinton, Washington · 8357 days ago · 32 km deep · 69 km away
  7. 2.01 km S of Mirrormont, Washington · 8347 days ago · 19 km deep · 68 km away
  8. 2.42 km NW of Warm Beach, Washington · 8346 days ago · 34 km deep · 91 km away
  9. 1.514 km NNE of Ashford, Washington · 8342 days ago · 9 km deep · 97 km away
  10. 1.55 km NNE of Woods Creek, Washington · 8339 days ago · 15 km deep · 95 km away
  11. 1.813 km E of Wilkeson, Washington · 8336 days ago · 17 km deep · 85 km away
  12. 2.07 km ENE of Port Townsend, Washington · 8332 days ago · 24 km deep · 80 km away
  13. 2.12 km SSW of Black Diamond, Washington · 8328 days ago · 19 km deep · 68 km away

Before

  1. 1.510 km ESE of Riverbend, Washington · 8386 days ago · 12 km deep · 95 km away
  2. 1.71 km WSW of Mountlake Terrace, Washington · 8387 days ago · 18 km deep · 58 km away
  3. 1.62 km NE of Fall City, Washington · 8390 days ago · 7 km deep · 79 km away
  4. 1.50 km ENE of Maple Valley, Washington · 8395 days ago · 9 km deep · 65 km away
  5. 1.81 km NW of Maple Valley, Washington · 8395 days ago · 11 km deep · 63 km away
  6. 1.61 km NNW of Gig Harbor, Washington · 8399 days ago · 29 km deep · 25 km away
  7. 1.68 km NNW of Freeland, Washington · 8399 days ago · 57 km deep · 76 km away
  8. 1.61 km WNW of Maple Valley, Washington · 8400 days ago · 6 km deep · 62 km away
  9. 1.91 km WSW of Maple Valley, Washington · 8401 days ago · 8 km deep · 62 km away
  10. 1.78 km SW of Sultan, Washington · 8407 days ago · 9 km deep · 86 km away
  11. 1.55 km WSW of Hansville, Washington · 8410 days ago · 21 km deep · 55 km away
  12. 2.214 km NE of Jamestown, Washington · 8410 days ago · 24 km deep · 87 km away
  13. 2.06 km NE of Fall City, Washington · 8412 days ago · 17 km deep · 82 km away
  14. 1.5Washington · 8412 days ago · 18 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10600058. Read Thu, Oct 1, 2026, 7:14 PM UTC.