Washington earthquakes

M3.1 earthquake 5 km NNE of Dash Point, Washington

A magnitude 3.1 earthquake struck 5 km NNE of Dash Point, Washington on Thu, Jul 1, 1999, 10:22 PM PDT (05:22 UTC), 27 km (17 mi) below the surface.

A larger quake followed: M5.8 8 km N of Satsop, Washington. This one was a foreshock.

Dash 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
3.1 (md), minor
Local time
UTC
1999-07-02 05:22:19 UTC
Depth
27.0 km (16.8 mi), shallow
Epicenter
47.368° N, 122.399° W
Strongest shaking
III, weak shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated
III, weak shaking
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

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 0.5 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
26°
Stations used
57

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 1 in the 30 days before it.

After

  1. 5.88 km N of Satsop, Washington · 9945 days ago · 40 km deep · 87 km away
  2. 1.99 km NNE of Lake Marcel-Stillwater, Washington · 9940 days ago · 5 km deep · 60 km away
  3. 1.59 km NNE of Lake Marcel-Stillwater, Washington · 9940 days ago · 7 km deep · 60 km away
  4. 1.510 km NNE of Satsop, Washington · 9939 days ago · 39 km deep · 85 km away
  5. 2.16 km N of Satsop, Washington · 9939 days ago · 39 km deep · 88 km away
  6. 2.36 km NNE of Satsop, Washington · 9939 days ago · 39 km deep · 87 km away
  7. 1.51 km SE of Brier, Washington · 9933 days ago · 19 km deep · 46 km away
  8. 1.51 km SSW of Pacific, Washington · 9930 days ago · 17 km deep · 17 km away
  9. 2.12 km WSW of Lochsloy, Washington · 9930 days ago · 0 km deep · 79 km away
  10. 1.75 km WSW of North Bend, Washington · 9924 days ago · 18 km deep · 43 km away
  11. 1.83 km E of Yarrow Point, Washington · 9924 days ago · 21 km deep · 35 km away
  12. 1.99 km ENE of Duvall, Washington · 9921 days ago · 4 km deep · 60 km away
  13. 2.29 km ENE of Duvall, Washington · 9921 days ago · 4 km deep · 60 km away
  14. 1.616 km SE of Carbonado, Washington · 9912 days ago · 6 km deep · 58 km away
  15. 1.516 km SE of Carbonado, Washington · 9912 days ago · 7 km deep · 58 km away
  16. 1.77 km NNE of Satsop, Washington · 9906 days ago · 40 km deep · 87 km away
  17. 1.95 km ENE of Bonney Lake, Washington · 9904 days ago · 8 km deep · 28 km away
  18. 3.120 km WSW of Brinnon, Washington · 9898 days ago · 46 km deep · 64 km away
  19. 2.03 km NNW of Port Townsend, Washington · 9895 days ago · 21 km deep · 91 km away
  20. 1.54 km E of Dash Point, Washington · 9894 days ago · 22 km deep · 6 km away
  21. 1.731 km SSE of Greenwater, Washington · 9893 days ago · -1 km deep · 86 km away
  22. 1.66 km SW of Lofall, Washington · 9892 days ago · 16 km deep · 52 km away
  23. 2.08 km NNE of Lake Marcel-Stillwater, Washington · 9892 days ago · 7 km deep · 59 km away
  24. 1.69 km NNE of Lake Marcel-Stillwater, Washington · 9890 days ago · 1 km deep · 60 km away
  25. 1.62 km WNW of Mirrormont, Washington · 9889 days ago · 17 km deep · 30 km away

Before

  1. 1.64 km E of Dash Point, Washington · 9969 days ago · 24 km deep · 6 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10474143 (also filed as usp0009ax6). Read Thu, Sep 24, 2026, 9:50 AM UTC.