Washington earthquakes

M1.8 earthquake 3 km E of Yarrow Point, Washington

A magnitude 1.8 earthquake struck 3 km E of Yarrow Point, Washington on Fri, Jul 23, 1999, 8:44 PM PDT (03:44 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M1.9 9 km ENE of Duvall, Washington. This one was a foreshock.

Yarrow Point 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), micro
Local time
UTC
1999-07-24 03:44:56 UTC
Depth
20.7 km (12.9 mi), shallow
Epicenter
47.648° N, 122.169° 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 0.3 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
76°
Stations used
31

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 9 in the 30 days before it.

After

  1. 1.99 km ENE of Duvall, Washington · 9919 days ago · 4 km deep · 27 km away
  2. 2.29 km ENE of Duvall, Washington · 9919 days ago · 4 km deep · 27 km away
  3. 1.616 km SE of Carbonado, Washington · 9910 days ago · 6 km deep · 77 km away
  4. 1.516 km SE of Carbonado, Washington · 9910 days ago · 7 km deep · 78 km away
  5. 1.95 km ENE of Bonney Lake, Washington · 9903 days ago · 8 km deep · 50 km away
  6. 3.120 km WSW of Brinnon, Washington · 9896 days ago · 46 km deep · 74 km away
  7. 2.03 km NNW of Port Townsend, Washington · 9893 days ago · 21 km deep · 72 km away
  8. 1.54 km E of Dash Point, Washington · 9893 days ago · 22 km deep · 40 km away
  9. 1.731 km SSE of Greenwater, Washington · 9891 days ago · -1 km deep · 98 km away
  10. 1.66 km SW of Lofall, Washington · 9890 days ago · 16 km deep · 44 km away
  11. 2.08 km NNE of Lake Marcel-Stillwater, Washington · 9890 days ago · 7 km deep · 26 km away
  12. 1.69 km NNE of Lake Marcel-Stillwater, Washington · 9888 days ago · 1 km deep · 27 km away
  13. 1.62 km WNW of Mirrormont, Washington · 9888 days ago · 17 km deep · 23 km away
  14. 2.9Olympic Peninsula, Washington · 9882 days ago · -1 km deep · 74 km away
  15. 1.88 km ENE of Duvall, Washington · 9881 days ago · 6 km deep · 26 km away
  16. 1.53 km S of Lake Roesiger, Washington · 9881 days ago · 11 km deep · 38 km away
  17. 1.88 km SSW of Sultan, Washington · 9879 days ago · 7 km deep · 27 km away
  18. 2.85 km SSW of Shelton, Washington · 9879 days ago · 46 km deep · 89 km away
  19. 1.73 km S of Monroe, Washington · 9879 days ago · 2 km deep · 25 km away
  20. 1.628 km ENE of Ashford, Washington · 9878 days ago · -3 km deep · 94 km away
  21. 2.23 km ESE of Indianola, Washington · 9871 days ago · 22 km deep · 25 km away
  22. 1.625 km N of Packwood, Washington · 9868 days ago · -3 km deep · 100 km away
  23. 2.8Washington · 9864 days ago · 16 km deep · 31 km away
  24. 1.79 km NNE of Snoqualmie, Washington · 9864 days ago · 16 km deep · 30 km away
  25. 2.19 km NNE of Snoqualmie, Washington · 9864 days ago · 15 km deep · 30 km away

Before

  1. 1.75 km WSW of North Bend, Washington · 9923 days ago · 18 km deep · 30 km away
  2. 1.57 km SW of Rockport, Washington · 9929 days ago · 8 km deep · 95 km away
  3. 2.12 km WSW of Lochsloy, Washington · 9929 days ago · 0 km deep · 45 km away
  4. 1.51 km SSW of Pacific, Washington · 9929 days ago · 17 km deep · 45 km away
  5. 1.51 km SE of Brier, Washington · 9931 days ago · 19 km deep · 16 km away
  6. 1.59 km NNE of Lake Marcel-Stillwater, Washington · 9939 days ago · 7 km deep · 27 km away
  7. 1.99 km NNE of Lake Marcel-Stillwater, Washington · 9939 days ago · 5 km deep · 27 km away
  8. 3.15 km NNE of Dash Point, Washington · 9945 days ago · 27 km deep · 35 km away
  9. 2.25 km W of Lake Cavanaugh, Washington · 9950 days ago · 7 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10477493. Read Tue, Sep 22, 2026, 9:38 PM UTC.