Washington earthquakes

M1.8 earthquake 3 km E of Hamilton, Washington

A magnitude 1.8 earthquake struck 3 km E of Hamilton, Washington on Fri, Nov 2, 1979, 7:22 AM PST (15:22 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.0 3 km SSE of Priest Point, Washington. This one was a foreshock.

Concrete 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
1.8 (md), micro
Local time
UTC
1979-11-02 15:22:11 UTC
Depth
3.3 km (2.0 mi), shallow
Epicenter
48.517° N, 121.938° 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 10.8 km horizontally, 31.2 km in depth
Magnitude uncertainty
±0.18
Depth from
Operator assigned
Station coverage gap
287°, poorly surrounded by stations
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 1.62 km N of Hansville, Washington · 17120 days ago · 43 km deep · 79 km away
  2. 2.03 km SSE of Priest Point, Washington · 17118 days ago · 22 km deep · 61 km away
  3. 1.54 km SSE of Woods Creek, Washington · 17117 days ago · 9 km deep · 76 km away
  4. 3.612 km NNW of Mission, Canada · 17113 days ago · 15 km deep · 86 km away
  5. 1.52 km ENE of Sammamish, Washington · 17108 days ago · 17 km deep · 97 km away
  6. 3.84 km E of Edison, Washington · 17102 days ago · 15 km deep · 34 km away
  7. 2.42 km SE of Edison, Washington · 17102 days ago · 8 km deep · 35 km away
  8. 1.63 km W of Alger, Washington · 17102 days ago · 17 km deep · 35 km away
  9. 3.53 km E of Edison, Washington · 17102 days ago · 12 km deep · 34 km away
  10. 1.64 km SE of Edison, Washington · 17102 days ago · 20 km deep · 35 km away
  11. 1.83 km ENE of Edison, Washington · 17102 days ago · 15 km deep · 34 km away
  12. 1.53 km ESE of Edison, Washington · 17101 days ago · 18 km deep · 35 km away
  13. 1.54 km WSW of Alger, Washington · 17101 days ago · 4 km deep · 35 km away
  14. 2.516 km SE of Friday Harbor, Washington · 17101 days ago · 54 km deep · 70 km away
  15. 2.16 km SE of Edison, Washington · 17100 days ago · 18 km deep · 34 km away
  16. 2.22 km E of Edison, Washington · 17094 days ago · 25 km deep · 35 km away
  17. 1.74 km ESE of Edison, Washington · 17082 days ago · 22 km deep · 34 km away
  18. 1.56 km NNW of Port Townsend, Washington · 17073 days ago · 21 km deep · 75 km away
  19. 1.54 km NNE of Lake Marcel-Stillwater, Washington · 17071 days ago · 10 km deep · 87 km away
  20. 1.81 km WNW of Oak Harbor, Washington · 17068 days ago · 33 km deep · 59 km away

Before

  1. 2.40 km WSW of Tulalip Bay, Washington · 17130 days ago · 29 km deep · 61 km away
  2. 2.51 km SW of Rockport, Washington · 17141 days ago · 0 km deep · 24 km away
  3. 1.53 km S of Kingston, Washington · 17149 days ago · 53 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10850963. Read Tue, Sep 22, 2026, 4:10 PM UTC.