Washington earthquakes

M1.6 earthquake 20 km W of Quilcene, Washington

A magnitude 1.6 earthquake struck 20 km W of Quilcene, Washington on Thu, Sep 25, 1980, 2:39 AM PDT (09:39 UTC), 42 km (26 mi) below the surface.

A larger quake followed: M3.0 11 km S of Friday Harbor, Washington. This one was a foreshock.

Quilcene 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
1980-09-25 09:39:36 UTC
Depth
42.0 km (26.1 mi), shallow
Epicenter
47.858° N, 123.144° 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 1.2 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
115°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.72 km WSW of Big Lake, Washington · 16799 days ago · 15 km deep · 88 km away
  2. 2.32 km WSW of Big Lake, Washington · 16799 days ago · 15 km deep · 88 km away
  3. 2.82 km E of Cottage Lake, Washington · 16799 days ago · 8 km deep · 83 km away
  4. 2.72 km W of Big Lake, Washington · 16795 days ago · 15 km deep · 88 km away
  5. 1.84 km NE of Maplewood, Washington · 16792 days ago · 45 km deep · 67 km away
  6. 3.011 km S of Friday Harbor, Washington · 16791 days ago · 25 km deep · 64 km away
  7. 1.70 km N of Federal Way, Washington · 16784 days ago · 8 km deep · 86 km away
  8. 1.82 km ESE of Dash Point, Washington · 16768 days ago · 13 km deep · 83 km away
  9. 2.920 km WNW of Quilcene, Washington · 16762 days ago · 45 km deep · 0 km away
  10. 2.84 km SSW of Fall City, Washington · 16745 days ago · 7 km deep · 99 km away

Before

  1. 1.75 km SSW of Lake McMurray, Washington · 16807 days ago · 0 km deep · 80 km away
  2. 1.74 km NW of North Sultan, Washington · 16808 days ago · 1 km deep · 97 km away
  3. 3.53 km NNW of North Sultan, Washington · 16808 days ago · 3 km deep · 99 km away
  4. 3.83 km NNW of North Sultan, Washington · 16809 days ago · 4 km deep · 99 km away
  5. 2.821 km NW of Hoodsport, Washington · 16823 days ago · 45 km deep · 41 km away
  6. 2.12 km NNW of Warm Beach, Washington · 16827 days ago · 29 km deep · 68 km away
  7. 1.84 km WSW of Shoreline, Washington · 16829 days ago · 20 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10088618. Read Mon, Sep 28, 2026, 9:59 AM UTC.