Washington earthquakes

M1.6 earthquake 16 km SE of Carbonado, Washington

A magnitude 1.6 earthquake struck 16 km SE of Carbonado, Washington on Thu, Aug 5, 1999, 3:14 AM PDT (10:14 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.8 5 km SSW of Shelton, Washington. This one was a foreshock.

Carbonado 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
1999-08-05 10:14:25 UTC
Depth
6.2 km (3.8 mi), shallow
Epicenter
46.981° N, 121.894° 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
±0.07
Depth from
Operator assigned
Station coverage gap
75°
Stations used
29

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 9 in the 30 days before it.

After

  1. 1.516 km SE of Carbonado, Washington · 9920 days ago · 7 km deep · 1 km away
  2. 1.95 km ENE of Bonney Lake, Washington · 9913 days ago · 8 km deep · 30 km away
  3. 1.54 km E of Dash Point, Washington · 9903 days ago · 22 km deep · 52 km away
  4. 1.731 km SSE of Greenwater, Washington · 9901 days ago · -1 km deep · 31 km away
  5. 1.54 km NE of Cliffdell, Washington · 9901 days ago · -1 km deep · 66 km away
  6. 2.08 km NNE of Lake Marcel-Stillwater, Washington · 9900 days ago · 7 km deep · 87 km away
  7. 1.69 km NNE of Lake Marcel-Stillwater, Washington · 9898 days ago · 1 km deep · 87 km away
  8. 1.62 km WNW of Mirrormont, Washington · 9898 days ago · 17 km deep · 55 km away
  9. 1.88 km ENE of Duvall, Washington · 9891 days ago · 6 km deep · 88 km away
  10. 1.88 km SSW of Sultan, Washington · 9890 days ago · 7 km deep · 90 km away
  11. 2.85 km SSW of Shelton, Washington · 9889 days ago · 46 km deep · 95 km away
  12. 1.73 km S of Monroe, Washington · 9889 days ago · 2 km deep · 94 km away
  13. 1.628 km ENE of Ashford, Washington · 9888 days ago · -3 km deep · 20 km away
  14. 2.23 km ESE of Indianola, Washington · 9881 days ago · 22 km deep · 95 km away
  15. 1.625 km N of Packwood, Washington · 9878 days ago · -3 km deep · 27 km away
  16. 2.8Washington · 9874 days ago · 16 km deep · 70 km away
  17. 1.79 km NNE of Snoqualmie, Washington · 9874 days ago · 16 km deep · 70 km away
  18. 2.19 km NNE of Snoqualmie, Washington · 9874 days ago · 15 km deep · 70 km away
  19. 2.224 km ENE of Packwood, Washington · 9870 days ago · 5 km deep · 52 km away
  20. 2.01 km ENE of Bellevue, Washington · 9869 days ago · 6 km deep · 74 km away
  21. 1.727 km ENE of Ashford, Washington · 9864 days ago · -2 km deep · 20 km away
  22. 1.511 km E of Enumclaw, Washington · 9864 days ago · 2 km deep · 27 km away
  23. 2.512 km WSW of Packwood, Washington · 9861 days ago · 3 km deep · 49 km away

Before

  1. 2.29 km ENE of Duvall, Washington · 9929 days ago · 4 km deep · 88 km away
  2. 1.99 km ENE of Duvall, Washington · 9929 days ago · 4 km deep · 88 km away
  3. 1.633 km ESE of Packwood, Washington · 9931 days ago · 0 km deep · 75 km away
  4. 1.83 km E of Yarrow Point, Washington · 9933 days ago · 21 km deep · 77 km away
  5. 1.75 km WSW of North Bend, Washington · 9933 days ago · 18 km deep · 56 km away
  6. 1.51 km SSW of Pacific, Washington · 9939 days ago · 17 km deep · 40 km away
  7. 1.51 km SE of Brier, Washington · 9941 days ago · 19 km deep · 92 km away
  8. 1.59 km NNE of Lake Marcel-Stillwater, Washington · 9949 days ago · 7 km deep · 87 km away
  9. 1.99 km NNE of Lake Marcel-Stillwater, Washington · 9949 days ago · 5 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10478178. Read Fri, Oct 2, 2026, 10:14 PM UTC.