Washington earthquakes

M1.5 earthquake 5 km W of Lyman, Washington

A magnitude 1.5 earthquake struck 5 km W of Lyman, Washington on Sun, Jul 5, 1987, 6:32 PM PDT (01:32 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M1.7 4 km E of Maple Falls, Washington. This one was a foreshock.

Sedro-Woolley 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
1.5 (md), micro
Local time
UTC
1987-07-06 01:32:54 UTC
Depth
-0.9 km (-0.5 mi), shallow
Epicenter
48.529° N, 122.141° 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 0.1 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
103°
Stations used
11

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 12 in the 30 days before it.

After

  1. 1.54 km SSW of Big Lake, Washington · 14308 days ago · 18 km deep · 21 km away
  2. 1.74 km E of Maple Falls, Washington · 14302 days ago · 0 km deep · 45 km away
  3. 1.61 km ESE of Lake Marcel-Stillwater, Washington · 14293 days ago · 0 km deep · 95 km away
  4. 1.55 km NNE of Duvall, Washington · 14293 days ago · 23 km deep · 84 km away
  5. 2.71 km N of Port Townsend, Washington · 14292 days ago · 22 km deep · 64 km away
  6. 2.06 km SW of Geneva, Washington · 14292 days ago · 12 km deep · 30 km away
  7. 1.55 km SSW of Geneva, Washington · 14291 days ago · 12 km deep · 29 km away
  8. 1.76 km SSW of Geneva, Washington · 14290 days ago · 12 km deep · 29 km away
  9. 1.715 km ESE of Oak Bay, Canada · 14278 days ago · 5 km deep · 73 km away
  10. 1.72 km SSW of Birch Bay, Washington · 14277 days ago · 13 km deep · 61 km away
  11. 1.65 km NNW of Orcas, Washington · 14276 days ago · 18 km deep · 62 km away
  12. 1.631 km NNW of Chilliwack, Canada · 14276 days ago · -1 km deep · 100 km away
  13. 2.02 km WSW of Birch Bay, Washington · 14270 days ago · 15 km deep · 63 km away
  14. 1.96 km SSE of Concrete, Washington · 14269 days ago · 2 km deep · 32 km away

Before

  1. 2.45 km ESE of Oak Harbor, Washington · 14324 days ago · 25 km deep · 42 km away
  2. 2.26 km WSW of Peaceful Valley, Washington · 14329 days ago · 16 km deep · 43 km away
  3. 2.48 km W of Port Townsend, Washington · 14330 days ago · 45 km deep · 71 km away
  4. 1.911 km SSW of Port Hadlock-Irondale, Washington · 14331 days ago · 50 km deep · 83 km away
  5. 2.72 km E of Edmonds, Washington · 14333 days ago · 15 km deep · 81 km away
  6. 1.77 km S of Bellingham, Washington · 14336 days ago · -1 km deep · 32 km away
  7. 1.5Washington · 14337 days ago · 3 km deep · 60 km away
  8. 1.66 km WNW of Orcas, Washington · 14337 days ago · 16 km deep · 66 km away
  9. 1.51 km SE of Edison, Washington · 14342 days ago · 23 km deep · 21 km away
  10. 2.06 km NE of Duvall, Washington · 14343 days ago · 20 km deep · 85 km away
  11. 1.87 km S of Kendall, Washington · 14349 days ago · 13 km deep · 36 km away
  12. 1.910 km WSW of Friday Harbor, Washington · 14349 days ago · 33 km deep · 74 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10219343. Read Tue, Sep 22, 2026, 4:15 PM UTC.