Washington earthquakes

M1.5 earthquake 1 km SE of Brier, Washington

A magnitude 1.5 earthquake struck 1 km SE of Brier, Washington on Thu, Jul 15, 1999, 10:36 AM PDT (17:36 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M3.1 20 km WSW of Brinnon, Washington. This one was a foreshock.

Brier 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
1.5 (md), micro
Local time
UTC
1999-07-15 17:36:03 UTC
Depth
19.1 km (11.9 mi), shallow
Epicenter
47.775° N, 122.258° 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
±0.03
Depth from
Operator assigned
Station coverage gap
82°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.51 km SSW of Pacific, Washington · 9935 days ago · 17 km deep · 58 km away
  2. 2.12 km WSW of Lochsloy, Washington · 9935 days ago · 0 km deep · 33 km away
  3. 1.57 km SW of Rockport, Washington · 9935 days ago · 8 km deep · 86 km away
  4. 1.75 km WSW of North Bend, Washington · 9929 days ago · 18 km deep · 44 km away
  5. 1.83 km E of Yarrow Point, Washington · 9929 days ago · 21 km deep · 16 km away
  6. 1.99 km ENE of Duvall, Washington · 9926 days ago · 4 km deep · 29 km away
  7. 2.29 km ENE of Duvall, Washington · 9926 days ago · 4 km deep · 29 km away
  8. 1.616 km SE of Carbonado, Washington · 9917 days ago · 6 km deep · 92 km away
  9. 1.516 km SE of Carbonado, Washington · 9917 days ago · 7 km deep · 93 km away
  10. 1.95 km ENE of Bonney Lake, Washington · 9909 days ago · 8 km deep · 64 km away
  11. 3.120 km WSW of Brinnon, Washington · 9903 days ago · 46 km deep · 69 km away
  12. 2.03 km NNW of Port Townsend, Washington · 9899 days ago · 21 km deep · 57 km away
  13. 1.54 km E of Dash Point, Washington · 9899 days ago · 22 km deep · 52 km away
  14. 1.66 km SW of Lofall, Washington · 9897 days ago · 16 km deep · 35 km away
  15. 2.08 km NNE of Lake Marcel-Stillwater, Washington · 9896 days ago · 7 km deep · 30 km away
  16. 1.69 km NNE of Lake Marcel-Stillwater, Washington · 9894 days ago · 1 km deep · 31 km away
  17. 1.62 km WNW of Mirrormont, Washington · 9894 days ago · 17 km deep · 38 km away
  18. 2.9Olympic Peninsula, Washington · 9888 days ago · -1 km deep · 72 km away
  19. 1.88 km ENE of Duvall, Washington · 9888 days ago · 6 km deep · 29 km away
  20. 1.53 km S of Lake Roesiger, Washington · 9888 days ago · 11 km deep · 31 km away
  21. 1.88 km SSW of Sultan, Washington · 9886 days ago · 7 km deep · 29 km away
  22. 2.85 km SSW of Shelton, Washington · 9885 days ago · 46 km deep · 94 km away
  23. 1.73 km S of Monroe, Washington · 9885 days ago · 2 km deep · 22 km away

Before

  1. 1.59 km NNE of Lake Marcel-Stillwater, Washington · 9945 days ago · 7 km deep · 31 km away
  2. 1.99 km NNE of Lake Marcel-Stillwater, Washington · 9945 days ago · 5 km deep · 31 km away
  3. 3.15 km NNE of Dash Point, Washington · 9951 days ago · 27 km deep · 46 km away
  4. 2.25 km W of Lake Cavanaugh, Washington · 9956 days ago · 7 km deep · 62 km away
  5. 1.89 km W of Ault Field, Washington · 9963 days ago · 23 km deep · 75 km away
  6. 1.78 km W of Ault Field, Washington · 9963 days ago · 22 km deep · 74 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10475228. Read Tue, Sep 29, 2026, 2:28 AM UTC.