Washington earthquakes

M1.6 earthquake 4 km WNW of Edmonds, Washington

A magnitude 1.6 earthquake struck 4 km WNW of Edmonds, Washington on Thu, Jan 15, 1987, 10:00 AM PST (18:00 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M1.8 4 km E of Brinnon, Washington. This one was a foreshock.

Edmonds 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), micro
Local time
UTC
1987-01-15 18:00:04 UTC
Depth
17.6 km (10.9 mi), shallow
Epicenter
47.821° N, 122.438° 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 0.6 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
49°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.50 km ENE of Esperance, Washington · 14491 days ago · 22 km deep · 7 km away
  2. 1.57 km SSE of Hamilton, Washington · 14488 days ago · 11 km deep · 81 km away
  3. 1.84 km E of Brinnon, Washington · 14462 days ago · 14 km deep · 34 km away
  4. 2.33 km S of Seattle, Washington · 14441 days ago · 12 km deep · 28 km away
  5. 1.61 km SSW of Mercer Island, Washington · 14441 days ago · 5 km deep · 33 km away

Before

  1. 2.75 km WNW of Edmonds, Washington · 14496 days ago · 19 km deep · 1 km away
  2. 2.02 km SE of Woods Creek, Washington · 14501 days ago · 18 km deep · 43 km away
  3. 1.88 km SE of Hamilton, Washington · 14507 days ago · 7 km deep · 81 km away
  4. 1.80 km NW of Issaquah, Washington · 14507 days ago · 16 km deep · 44 km away
  5. 2.49 km W of Gorst, Washington · 14510 days ago · 18 km deep · 43 km away
  6. 2.019 km SSE of Marblemount, Washington · 14513 days ago · 9 km deep · 99 km away
  7. 1.95 km NW of Orcas, Washington · 14515 days ago · 15 km deep · 99 km away
  8. 2.01 km W of Kingsgate, Washington · 14516 days ago · 15 km deep · 20 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10215348. Read Wed, Sep 23, 2026, 9:04 PM UTC.