Washington earthquakes

M1.9 earthquake 10 km NNE of Snoqualmie, Washington

A magnitude 1.9 earthquake struck 10 km NNE of Snoqualmie, Washington on Thu, Aug 14, 2003, 11:20 PM PDT (06:20 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M2.9 37 km W of Granite Falls, Washington. This one was a foreshock.

Snoqualmie 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
1.9 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2003-08-15 06:20:33 UTC
Depth
11.8 km (7.3 mi), shallow
Epicenter
47.617° N, 121.760° 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 0.6 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
30°
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 2.18 km NE of Lake Marcel-Stillwater, Washington · 8447 days ago · 6 km deep · 16 km away
  2. 1.54 km SSE of Quilcene, Washington · 8447 days ago · 21 km deep · 84 km away
  3. 1.74 km SW of Port Hadlock-Irondale, Washington · 8447 days ago · 18 km deep · 90 km away
  4. 1.72 km SW of Port Hadlock-Irondale, Washington · 8446 days ago · 16 km deep · 90 km away
  5. 1.911 km SSW of Darrington, Washington · 8443 days ago · 10 km deep · 61 km away
  6. 1.512 km WSW of Greenwater, Washington · 8439 days ago · 5 km deep · 54 km away
  7. 1.75 km WSW of Seabeck, Washington · 8438 days ago · 17 km deep · 85 km away
  8. 2.937 km W of Granite Falls, Washington · 8437 days ago · 5 km deep · 86 km away
  9. 1.81 km E of Maltby, Washington · 8436 days ago · 23 km deep · 33 km away
  10. 1.936 km N of Leavenworth, Washington · 8436 days ago · 5 km deep · 86 km away
  11. 2.38 km NNE of North Sultan, Washington · 8431 days ago · 11 km deep · 37 km away
  12. 1.952 km WNW of Granite Falls, Washington · 8427 days ago · -1 km deep · 82 km away
  13. 1.84 km N of Lake Marcel-Stillwater, Washington · 8419 days ago · 6 km deep · 17 km away
  14. 1.818 km ESE of Darrington, Washington · 8416 days ago · 9 km deep · 70 km away
  15. 1.618 km ESE of Darrington, Washington · 8416 days ago · 7 km deep · 68 km away
  16. 2.06 km NE of Fall City, Washington · 8411 days ago · 17 km deep · 5 km away
  17. 1.55 km WSW of Hansville, Washington · 8410 days ago · 21 km deep · 72 km away
  18. 1.78 km SW of Sultan, Washington · 8407 days ago · 9 km deep · 22 km away
  19. 1.91 km WSW of Maple Valley, Washington · 8400 days ago · 8 km deep · 34 km away
  20. 1.61 km WNW of Maple Valley, Washington · 8399 days ago · 6 km deep · 34 km away
  21. 1.68 km NNW of Freeland, Washington · 8399 days ago · 57 km deep · 80 km away
  22. 1.61 km NNW of Gig Harbor, Washington · 8398 days ago · 29 km deep · 70 km away
  23. 1.911 km SE of Skykomish, Washington · 8396 days ago · 5 km deep · 37 km away
  24. 1.81 km NW of Maple Valley, Washington · 8394 days ago · 11 km deep · 33 km away
  25. 1.50 km ENE of Maple Valley, Washington · 8394 days ago · 9 km deep · 32 km away
  26. 1.62 km NE of Fall City, Washington · 8389 days ago · 7 km deep · 9 km away

Before

  1. 1.823 km ENE of Ashford, Washington · 8449 days ago · -2 km deep · 83 km away
  2. 1.95 km WSW of Swede Heaven, Washington · 8449 days ago · 3 km deep · 73 km away
  3. 1.51 km NNW of Lake Marcel-Stillwater, Washington · 8450 days ago · 27 km deep · 16 km away
  4. 2.14 km ENE of Belfair, Washington · 8451 days ago · 11 km deep · 78 km away
  5. 1.91 km SSE of Port Hadlock-Irondale, Washington · 8451 days ago · 16 km deep · 89 km away
  6. 1.92 km N of Lake Marcel-Stillwater, Washington · 8453 days ago · 28 km deep · 16 km away
  7. 1.51 km SSW of Oso, Washington · 8455 days ago · 11 km deep · 73 km away
  8. 1.63 km NNW of Big Lake, Washington · 8459 days ago · 7 km deep · 98 km away
  9. 1.51 km WNW of Lake Marcel-Stillwater, Washington · 8459 days ago · 25 km deep · 16 km away
  10. 2.1Washington · 8461 days ago · 26 km deep · 97 km away
  11. 2.54 km SW of Clear Lake, Washington · 8461 days ago · 8 km deep · 99 km away
  12. 1.86 km SSE of Quilcene, Washington · 8464 days ago · 26 km deep · 82 km away
  13. 2.01 km E of Enetai, Washington · 8465 days ago · 24 km deep · 62 km away
  14. 1.65 km ENE of Carnation, Washington · 8467 days ago · 7 km deep · 9 km away
  15. 1.93 km SE of Klahanie, Washington · 8471 days ago · 17 km deep · 18 km away
  16. 2.23 km ESE of Freeland, Washington · 8476 days ago · 26 km deep · 69 km away
  17. 1.64 km NNE of Lake Roesiger, Washington · 8478 days ago · 13 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10591548. Read Thu, Oct 1, 2026, 12:05 PM UTC.