Washington earthquakes

M2.1 earthquake 2 km ESE of Quilcene, Washington

A magnitude 2.1 earthquake struck 2 km ESE of Quilcene, Washington on Tue, Sep 11, 1979, 7:55 AM PDT (14:55 UTC), 48 km (30 mi) below the surface.

A larger quake followed: M2.4 0 km WSW of Tulalip Bay, 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
2.1 (md), micro
Local time
UTC
1979-09-11 14:55:14 UTC
Depth
47.9 km (29.8 mi), shallow
Epicenter
47.809° N, 122.841° 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 0.7 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
86°
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: 10 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.62 km NNE of Klahanie, Washington · 17184 days ago · 4 km deep · 68 km away
  2. 1.52 km E of Belfair, Washington · 17181 days ago · -1 km deep · 40 km away
  3. 2.16 km SW of Clinton, Washington · 17168 days ago · 25 km deep · 34 km away
  4. 2.123 km NNW of Hoodsport, Washington · 17162 days ago · 45 km deep · 38 km away
  5. 1.51 km W of Chico, Washington · 17157 days ago · 25 km deep · 23 km away
  6. 1.53 km S of Kingston, Washington · 17157 days ago · 53 km deep · 26 km away
  7. 1.610 km S of Metchosin, Canada · 17143 days ago · 39 km deep · 75 km away
  8. 2.40 km WSW of Tulalip Bay, Washington · 17137 days ago · 29 km deep · 46 km away
  9. 1.62 km N of Hansville, Washington · 17128 days ago · 43 km deep · 26 km away
  10. 1.63 km ENE of Manchester, Washington · 17127 days ago · 3 km deep · 37 km away

Before

  1. 2.02 km ESE of Belfair, Washington · 17189 days ago · 1 km deep · 41 km away
  2. 1.92 km E of Issaquah, Washington · 17191 days ago · 3 km deep · 70 km away
  3. 1.6Washington · 17191 days ago · 3 km deep · 71 km away
  4. 2.12 km E of Issaquah, Washington · 17192 days ago · 3 km deep · 71 km away
  5. 1.612 km NE of Snoqualmie, Washington · 17193 days ago · 13 km deep · 86 km away
  6. 2.76 km N of Jamestown, Washington · 17214 days ago · 50 km deep · 45 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10850663. Read Wed, Sep 30, 2026, 10:54 AM UTC.