Washington earthquakes

M1.9 earthquake 9 km ENE of Duvall, Washington

A magnitude 1.9 earthquake struck 9 km ENE of Duvall, Washington on Tue, Jul 27, 1999, 5:17 AM PDT (12:17 UTC), 4 km (3 mi) below the surface.

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

Duvall 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), micro
Local time
UTC
1999-07-27 12:17:50 UTC
Depth
4.4 km (2.7 mi), shallow
Epicenter
47.775° N, 121.865° 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 0.1 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.04
Depth from
Operator assigned
Station coverage gap
74°
Stations used
19

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 9 in the 30 days before it.

After

  1. 2.29 km ENE of Duvall, Washington · 9926 days ago · 4 km deep · 0 km away
  2. 1.616 km SE of Carbonado, Washington · 9918 days ago · 6 km deep · 88 km away
  3. 1.516 km SE of Carbonado, Washington · 9917 days ago · 7 km deep · 90 km away
  4. 1.95 km ENE of Bonney Lake, Washington · 9910 days ago · 8 km deep · 67 km away
  5. 3.120 km WSW of Brinnon, Washington · 9903 days ago · 46 km deep · 98 km away
  6. 2.03 km NNW of Port Townsend, Washington · 9900 days ago · 21 km deep · 80 km away
  7. 1.54 km E of Dash Point, Washington · 9900 days ago · 22 km deep · 64 km away
  8. 1.66 km SW of Lofall, Washington · 9897 days ago · 16 km deep · 64 km away
  9. 2.08 km NNE of Lake Marcel-Stillwater, Washington · 9897 days ago · 7 km deep · 2 km away
  10. 1.69 km NNE of Lake Marcel-Stillwater, Washington · 9895 days ago · 1 km deep · 2 km away
  11. 1.62 km WNW of Mirrormont, Washington · 9895 days ago · 17 km deep · 36 km away
  12. 2.9Olympic Peninsula, Washington · 9889 days ago · -1 km deep · 99 km away
  13. 1.88 km ENE of Duvall, Washington · 9888 days ago · 6 km deep · 1 km away
  14. 1.53 km S of Lake Roesiger, Washington · 9888 days ago · 11 km deep · 21 km away
  15. 1.88 km SSW of Sultan, Washington · 9887 days ago · 7 km deep · 2 km away
  16. 1.73 km S of Monroe, Washington · 9886 days ago · 2 km deep · 9 km away
  17. 2.23 km ESE of Indianola, Washington · 9878 days ago · 22 km deep · 46 km away
  18. 2.8Washington · 9871 days ago · 16 km deep · 20 km away
  19. 1.79 km NNE of Snoqualmie, Washington · 9871 days ago · 16 km deep · 20 km away
  20. 2.19 km NNE of Snoqualmie, Washington · 9871 days ago · 15 km deep · 20 km away

Before

  1. 1.83 km E of Yarrow Point, Washington · 9930 days ago · 21 km deep · 27 km away
  2. 1.75 km WSW of North Bend, Washington · 9930 days ago · 18 km deep · 32 km away
  3. 1.57 km SW of Rockport, Washington · 9936 days ago · 8 km deep · 75 km away
  4. 2.12 km WSW of Lochsloy, Washington · 9936 days ago · 0 km deep · 34 km away
  5. 1.51 km SSW of Pacific, Washington · 9936 days ago · 17 km deep · 65 km away
  6. 1.51 km SE of Brier, Washington · 9938 days ago · 19 km deep · 29 km away
  7. 1.59 km NNE of Lake Marcel-Stillwater, Washington · 9946 days ago · 7 km deep · 2 km away
  8. 1.99 km NNE of Lake Marcel-Stillwater, Washington · 9946 days ago · 5 km deep · 2 km away
  9. 3.15 km NNE of Dash Point, Washington · 9952 days ago · 27 km deep · 60 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10478738. Read Tue, Sep 29, 2026, 10:22 PM UTC.