Washington earthquakes

M1.7 earthquake 6 km SSW of Geneva, Washington

A magnitude 1.7 earthquake struck 6 km SSW of Geneva, Washington on Sat, Aug 8, 1987, 3:14 PM PDT (22:14 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M2.0 2 km WSW of Birch Bay, Washington. This one was a foreshock.

Geneva 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
1.7 (md), micro
Local time
UTC
1987-08-08 22:14:01 UTC
Depth
12.3 km (7.6 mi), shallow
Epicenter
48.696° N, 122.449° 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 1.3 km horizontally, 3.3 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
170°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 1.715 km ESE of Oak Bay, Canada · 14278 days ago · 5 km deep · 59 km away
  2. 1.72 km SSW of Birch Bay, Washington · 14277 days ago · 13 km deep · 32 km away
  3. 1.65 km NNW of Orcas, Washington · 14276 days ago · 18 km deep · 39 km away
  4. 1.631 km NNW of Chilliwack, Canada · 14276 days ago · -1 km deep · 84 km away
  5. 2.02 km WSW of Birch Bay, Washington · 14270 days ago · 15 km deep · 34 km away
  6. 1.96 km SSE of Concrete, Washington · 14269 days ago · 2 km deep · 59 km away
  7. 1.515 km E of North Saanich, Canada · 14259 days ago · 50 km deep · 56 km away
  8. 1.710 km NW of Marblemount, Washington · 14258 days ago · -1 km deep · 68 km away
  9. 1.79 km NNW of Marblemount, Washington · 14257 days ago · 0 km deep · 69 km away
  10. 1.816 km SE of Glacier, Washington · 14254 days ago · 25 km deep · 48 km away
  11. 3.04 km WSW of Langley, Canada · 14251 days ago · 1 km deep · 47 km away
  12. 2.34 km WSW of Langley, Canada · 14249 days ago · 4 km deep · 47 km away
  13. 2.82 km N of Port Townsend, Washington · 14247 days ago · 21 km deep · 66 km away
  14. 2.85 km NE of Blyn, Washington · 14247 days ago · 55 km deep · 80 km away
  15. 2.15 km NE of Kingston, Washington · 14242 days ago · 16 km deep · 96 km away

Before

  1. 1.55 km SSW of Geneva, Washington · 14291 days ago · 12 km deep · 1 km away
  2. 2.06 km SW of Geneva, Washington · 14292 days ago · 12 km deep · 1 km away
  3. 2.71 km N of Port Townsend, Washington · 14292 days ago · 22 km deep · 67 km away
  4. 1.74 km E of Maple Falls, Washington · 14302 days ago · 0 km deep · 40 km away
  5. 1.54 km SSW of Big Lake, Washington · 14308 days ago · 18 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10221963. Read Tue, Sep 22, 2026, 3:14 PM UTC.