Washington earthquakes

M2.1 earthquake 15 km SW of Brinnon, Washington

A magnitude 2.1 earthquake struck 15 km SW of Brinnon, Washington on Fri, Dec 11, 1987, 12:50 PM PST (20:50 UTC), 44 km (27 mi) below the surface.

A larger quake followed: M2.7 3 km NNW of Victoria, Canada. 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
2.1 (md), micro
Local time
UTC
1987-12-11 20:50:12 UTC
Depth
43.5 km (27.0 mi), shallow
Epicenter
47.593° N, 123.052° 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 0.8 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
64°
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 1.81 km SSW of Navy Yard City, Washington · 14164 days ago · 22 km deep · 29 km away
  2. 2.73 km NNW of Victoria, Canada · 14157 days ago · 23 km deep · 100 km away
  3. 1.618 km NNW of Jamestown, Washington · 14152 days ago · 42 km deep · 77 km away
  4. 2.73 km WSW of Crocker, Washington · 14138 days ago · -1 km deep · 90 km away
  5. 2.24 km SE of Orting, Washington · 14137 days ago · 6 km deep · 89 km away
  6. 2.03 km SW of Crocker, Washington · 14137 days ago · 0 km deep · 91 km away
  7. 2.24 km SE of Orting, Washington · 14135 days ago · 5 km deep · 89 km away
  8. 1.9Puget Sound region, Washington · 14134 days ago · 18 km deep · 69 km away
  9. 2.95 km SW of Wilderness Rim, Washington · 14120 days ago · 19 km deep · 95 km away
  10. 1.61 km NW of Lake Marcel-Stillwater, Washington · 14115 days ago · 4 km deep · 85 km away
  11. 2.32 km SW of Monroe, Washington · 14114 days ago · 23 km deep · 84 km away
  12. 1.55 km WSW of Erlands Point-Kitsap Lake, Washington · 14111 days ago · 14 km deep · 21 km away
  13. 1.811 km SW of Malone, Washington · 14109 days ago · 12 km deep · 83 km away
  14. 2.2Washington · 14108 days ago · 17 km deep · 98 km away

Before

  1. 1.83 km WSW of Shoreline, Washington · 14181 days ago · 14 km deep · 53 km away
  2. 1.54 km E of Port Ludlow, Washington · 14181 days ago · 16 km deep · 48 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10227568. Read Wed, Sep 23, 2026, 4:24 AM UTC.