Washington earthquakes

M1.8 earthquake 1 km E of Maltby, Washington

A magnitude 1.8 earthquake struck 1 km E of Maltby, Washington on Wed, Aug 27, 2003, 6:42 AM PDT (13:42 UTC), 23 km (15 mi) below the surface.

A larger quake followed: M2.3 8 km NNE of North Sultan, Washington. This one was a foreshock.

Maltby 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
1.8 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2003-08-27 13:42:40 UTC
Depth
23.5 km (14.6 mi), shallow
Epicenter
47.807° N, 122.094° 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 0.7 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
43°
Stations used
34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 24 in the 30 days before it.

After

  1. 1.61 km NE of Skokomish, Washington · 8436 days ago · 43 km deep · 94 km away
  2. 2.38 km NNE of North Sultan, Washington · 8434 days ago · 11 km deep · 30 km away
  3. 1.952 km WNW of Granite Falls, Washington · 8430 days ago · -1 km deep · 95 km away
  4. 1.84 km N of Lake Marcel-Stillwater, Washington · 8422 days ago · 6 km deep · 16 km away
  5. 1.818 km ESE of Darrington, Washington · 8419 days ago · 9 km deep · 69 km away
  6. 1.618 km ESE of Darrington, Washington · 8419 days ago · 7 km deep · 67 km away
  7. 1.55 km NE of Anacortes, Washington · 8417 days ago · 12 km deep · 90 km away
  8. 2.06 km NE of Fall City, Washington · 8414 days ago · 17 km deep · 29 km away
  9. 2.214 km NE of Jamestown, Washington · 8413 days ago · 24 km deep · 78 km away
  10. 1.55 km WSW of Hansville, Washington · 8413 days ago · 21 km deep · 41 km away
  11. 1.78 km SW of Sultan, Washington · 8410 days ago · 9 km deep · 16 km away
  12. 2.13 km NE of Anacortes, Washington · 8408 days ago · 16 km deep · 89 km away
  13. 2.010 km NNW of Marblemount, Washington · 8407 days ago · 0 km deep · 98 km away
  14. 1.91 km WSW of Maple Valley, Washington · 8404 days ago · 8 km deep · 47 km away
  15. 1.61 km WNW of Maple Valley, Washington · 8403 days ago · 6 km deep · 46 km away
  16. 1.68 km NNW of Freeland, Washington · 8402 days ago · 57 km deep · 47 km away
  17. 1.61 km NNW of Gig Harbor, Washington · 8401 days ago · 29 km deep · 64 km away
  18. 1.911 km SE of Skykomish, Washington · 8399 days ago · 5 km deep · 65 km away
  19. 1.81 km NW of Maple Valley, Washington · 8398 days ago · 11 km deep · 45 km away
  20. 1.50 km ENE of Maple Valley, Washington · 8398 days ago · 9 km deep · 46 km away
  21. 1.62 km NE of Fall City, Washington · 8393 days ago · 7 km deep · 30 km away
  22. 1.71 km WSW of Mountlake Terrace, Washington · 8390 days ago · 18 km deep · 17 km away
  23. 1.510 km ESE of Riverbend, Washington · 8389 days ago · 12 km deep · 55 km away
  24. 1.65 km WSW of Belfair, Washington · 8388 days ago · 21 km deep · 73 km away
  25. 2.33 km S of Fall City, Washington · 8380 days ago · 18 km deep · 34 km away

Before

  1. 1.75 km WSW of Seabeck, Washington · 8441 days ago · 17 km deep · 63 km away
  2. 1.519 km NNE of Jamestown, Washington · 8442 days ago · 48 km deep · 88 km away
  3. 1.512 km WSW of Greenwater, Washington · 8442 days ago · 5 km deep · 78 km away
  4. 2.117 km N of Hoodsport, Washington · 8443 days ago · 44 km deep · 81 km away
  5. 1.911 km SSW of Darrington, Washington · 8446 days ago · 10 km deep · 51 km away
  6. 1.6Washington · 8447 days ago · 7 km deep · 81 km away
  7. 1.72 km SW of Port Hadlock-Irondale, Washington · 8449 days ago · 16 km deep · 58 km away
  8. 1.74 km SW of Port Hadlock-Irondale, Washington · 8450 days ago · 18 km deep · 58 km away
  9. 1.54 km SSE of Quilcene, Washington · 8450 days ago · 21 km deep · 57 km away
  10. 2.18 km NE of Lake Marcel-Stillwater, Washington · 8450 days ago · 6 km deep · 19 km away
  11. 1.910 km NNE of Snoqualmie, Washington · 8451 days ago · 12 km deep · 33 km away
  12. 1.95 km WSW of Swede Heaven, Washington · 8452 days ago · 3 km deep · 56 km away
  13. 1.51 km NNW of Lake Marcel-Stillwater, Washington · 8453 days ago · 27 km deep · 17 km away
  14. 2.14 km ENE of Belfair, Washington · 8454 days ago · 11 km deep · 63 km away
  15. 1.91 km SSE of Port Hadlock-Irondale, Washington · 8455 days ago · 16 km deep · 56 km away
  16. 1.92 km N of Lake Marcel-Stillwater, Washington · 8456 days ago · 28 km deep · 17 km away
  17. 1.51 km SSW of Oso, Washington · 8458 days ago · 11 km deep · 51 km away
  18. 1.63 km NNW of Big Lake, Washington · 8462 days ago · 7 km deep · 70 km away
  19. 1.51 km WNW of Lake Marcel-Stillwater, Washington · 8462 days ago · 25 km deep · 17 km away
  20. 2.1Washington · 8464 days ago · 26 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10594128. Read Sun, Oct 4, 2026, 4:34 PM UTC.