Washington earthquakes

M2.3 earthquake 4 km SW of Brinnon, Washington

A magnitude 2.3 earthquake struck 4 km SW of Brinnon, Washington on Wed, Dec 4, 2002, 9:37 AM PST (17:37 UTC), 50 km (31 mi) below the surface.

A larger quake followed: M2.7 10 km SW of Friday Harbor, Washington. This one was a foreshock.

Brinnon 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
2.3 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2002-12-04 17:37:43 UTC
Depth
50.0 km (31.1 mi), shallow
Epicenter
47.650° N, 122.943° 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, 0.6 km in depth
Magnitude uncertainty
±0.02
Depth from
From location
Station coverage gap
38°
Stations used
55

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 2.22 km ESE of Port Angeles East, Washington · 8699 days ago · 9 km deep · 58 km away
  2. 1.59 km SW of Friday Harbor, Washington · 8694 days ago · 21 km deep · 93 km away
  3. 1.64 km ESE of Lake Marcel-Stillwater, Washington · 8693 days ago · 13 km deep · 81 km away
  4. 1.83 km S of Grapeview, Washington · 8685 days ago · 46 km deep · 40 km away
  5. 2.42 km SE of Port Angeles East, Washington · 8679 days ago · 9 km deep · 57 km away
  6. 1.82 km ESE of Kingston, Washington · 8679 days ago · 27 km deep · 39 km away
  7. 2.04 km NNW of White Center, Washington · 8677 days ago · 27 km deep · 44 km away
  8. 1.53 km NE of Cathcart, Washington · 8674 days ago · 27 km deep · 70 km away
  9. 1.73 km SSW of Rosedale, Washington · 8666 days ago · 26 km deep · 44 km away
  10. 2.11 km SSW of Ames Lake, Washington · 8665 days ago · 9 km deep · 73 km away
  11. 2.710 km SW of Friday Harbor, Washington · 8661 days ago · 21 km deep · 93 km away
  12. 2.52 km NNW of Fall City, Washington · 8660 days ago · 2 km deep · 78 km away
  13. 1.97 km SSE of Seabeck, Washington · 8658 days ago · 17 km deep · 13 km away
  14. 1.66 km N of Brinnon, Washington · 8658 days ago · 21 km deep · 11 km away
  15. 1.72 km N of Quilcene, Washington · 8653 days ago · 51 km deep · 22 km away
  16. 1.92 km E of Rosedale, Washington · 8650 days ago · 18 km deep · 43 km away
  17. 1.52 km SSE of Lake McMurray, Washington · 8647 days ago · 12 km deep · 90 km away
  18. 2.58 km NE of Lake Marcel-Stillwater, Washington · 8643 days ago · 0 km deep · 83 km away

Before

  1. 1.86 km ESE of Metchosin, Canada · 8707 days ago · 22 km deep · 89 km away
  2. 1.52 km NNW of Kingsgate, Washington · 8712 days ago · 19 km deep · 57 km away
  3. 1.64 km SW of Inglewood-Finn Hill, Washington · 8714 days ago · 24 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10570528. Read Thu, Oct 1, 2026, 3:24 AM UTC.