Washington earthquakes

M1.6 earthquake 1 km WNW of Maple Valley, Washington

A magnitude 1.6 earthquake struck 1 km WNW of Maple Valley, Washington on Thu, Oct 2, 2003, 8:03 PM PDT (03:03 UTC), 6 km (3 mi) below the surface.

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

Maple Valley 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
2003-10-03 03:03:57 UTC
Depth
5.6 km (3.5 mi), shallow
Epicenter
47.397° N, 122.068° 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 0.4 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
89°
Stations used
23

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 7 in the 30 days before it.

After

  1. 1.68 km NNW of Freeland, Washington · 8399 days ago · 57 km deep · 85 km away
  2. 1.61 km NNW of Gig Harbor, Washington · 8399 days ago · 29 km deep · 40 km away
  3. 1.911 km SE of Skykomish, Washington · 8397 days ago · 5 km deep · 65 km away
  4. 1.710 km SSE of Mineral, Washington · 8395 days ago · 16 km deep · 85 km away
  5. 1.81 km NW of Maple Valley, Washington · 8395 days ago · 11 km deep · 1 km away
  6. 1.50 km ENE of Maple Valley, Washington · 8395 days ago · 9 km deep · 2 km away
  7. 1.62 km NE of Fall City, Washington · 8390 days ago · 7 km deep · 25 km away
  8. 1.71 km WSW of Mountlake Terrace, Washington · 8388 days ago · 18 km deep · 47 km away
  9. 1.510 km ESE of Riverbend, Washington · 8387 days ago · 12 km deep · 33 km away
  10. 1.65 km WSW of Belfair, Washington · 8386 days ago · 21 km deep · 62 km away
  11. 2.33 km S of Fall City, Washington · 8377 days ago · 18 km deep · 20 km away
  12. 1.60 km SW of Navy Yard City, Washington · 8372 days ago · 17 km deep · 48 km away
  13. 1.68 km SSW of Swede Heaven, Washington · 8362 days ago · 13 km deep · 93 km away
  14. 2.04 km SW of Fall City, Washington · 8360 days ago · 21 km deep · 19 km away
  15. 1.56 km ESE of Oso, Washington · 8359 days ago · 13 km deep · 95 km away
  16. 1.85 km WSW of Lofall, Washington · 8358 days ago · 58 km deep · 67 km away
  17. 1.73 km SW of Clinton, Washington · 8357 days ago · 32 km deep · 67 km away
  18. 2.01 km S of Mirrormont, Washington · 8348 days ago · 19 km deep · 8 km away
  19. 2.42 km NW of Warm Beach, Washington · 8346 days ago · 34 km deep · 91 km away
  20. 1.514 km NNE of Ashford, Washington · 8343 days ago · 9 km deep · 60 km away

Before

  1. 1.91 km WSW of Maple Valley, Washington · 8401 days ago · 8 km deep · 1 km away
  2. 1.78 km SW of Sultan, Washington · 8408 days ago · 9 km deep · 46 km away
  3. 1.55 km WSW of Hansville, Washington · 8410 days ago · 21 km deep · 69 km away
  4. 2.06 km NE of Fall City, Washington · 8412 days ago · 17 km deep · 30 km away
  5. 1.5Washington · 8413 days ago · 18 km deep · 77 km away
  6. 1.916 km WSW of Skokomish, Washington · 8416 days ago · 19 km deep · 99 km away
  7. 1.84 km N of Lake Marcel-Stillwater, Washington · 8420 days ago · 6 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10594478. Read Fri, Oct 2, 2026, 9:14 AM UTC.