Washington earthquakes

M2.6 earthquake 9 km SW of Chelan Falls, Washington

A magnitude 2.6 earthquake struck 9 km SW of Chelan Falls, Washington on Tue, Dec 4, 1979, 1:31 PM PST (21:31 UTC), 6 km (3 mi) below the surface.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.6 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1979-12-04 21:31:24 UTC
Depth
5.6 km (3.5 mi), shallow
Epicenter
47.741° N, 120.065° 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 0.3 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
61°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 30 in the 30 days before it.

After

  1. 1.83 km ENE of Royal City, Washington · 17100 days ago · 2 km deep · 99 km away
  2. 1.63 km ENE of Royal City, Washington · 17094 days ago · 0 km deep · 99 km away
  3. 1.99 km W of Entiat, Washington · 17091 days ago · -1 km deep · 21 km away
  4. 1.67 km SSE of Okanogan, Washington · 17089 days ago · 3 km deep · 74 km away
  5. 1.73 km NNE of Royal City, Washington · 17085 days ago · 0 km deep · 97 km away
  6. 1.83 km NNE of Royal City, Washington · 17085 days ago · 1 km deep · 97 km away
  7. 1.517 km ESE of Mansfield, Washington · 17085 days ago · 0 km deep · 49 km away
  8. 2.03 km NNE of Royal City, Washington · 17082 days ago · 0 km deep · 97 km away
  9. 1.72 km NNE of Royal City, Washington · 17082 days ago · 0 km deep · 97 km away
  10. 1.63 km NE of Royal City, Washington · 17082 days ago · 3 km deep · 97 km away
  11. 1.85 km N of Royal City, Washington · 17082 days ago · 0 km deep · 93 km away
  12. 1.73 km NNE of Royal City, Washington · 17082 days ago · 0 km deep · 96 km away
  13. 1.64 km NNE of Royal City, Washington · 17081 days ago · 1 km deep · 96 km away
  14. 1.73 km NNE of Royal City, Washington · 17081 days ago · 0 km deep · 96 km away
  15. 1.53 km NNE of Royal City, Washington · 17081 days ago · 0 km deep · 97 km away
  16. 2.62 km NNE of Chelan, Washington · 17076 days ago · -1 km deep · 14 km away
  17. 1.513 km SSW of Leavenworth, Washington · 17067 days ago · 1 km deep · 57 km away
  18. 2.11 km W of Skykomish, Washington · 17043 days ago · 0 km deep · 99 km away

Before

  1. 2.66 km ENE of Royal City, Washington · 17106 days ago · 0 km deep · 98 km away
  2. 1.615 km W of Entiat, Washington · 17107 days ago · 0 km deep · 28 km away
  3. 1.83 km NE of Royal City, Washington · 17112 days ago · 4 km deep · 98 km away
  4. 1.55 km NE of Royal City, Washington · 17113 days ago · 0 km deep · 96 km away
  5. 3.45 km NE of Royal City, Washington · 17113 days ago · 3 km deep · 97 km away
  6. 2.54 km NE of Royal City, Washington · 17113 days ago · 2 km deep · 97 km away
  7. 2.64 km NE of Royal City, Washington · 17115 days ago · 2 km deep · 98 km away
  8. 1.74 km NE of Royal City, Washington · 17116 days ago · 0 km deep · 98 km away
  9. 2.85 km ENE of Royal City, Washington · 17116 days ago · 1 km deep · 99 km away
  10. 1.56 km NE of Royal City, Washington · 17118 days ago · 0 km deep · 96 km away
  11. 1.54 km ENE of Royal City, Washington · 17118 days ago · 0 km deep · 98 km away
  12. 1.84 km NE of Royal City, Washington · 17119 days ago · 5 km deep · 98 km away
  13. 1.55 km NE of Royal City, Washington · 17120 days ago · 2 km deep · 96 km away
  14. 2.03 km ENE of Royal City, Washington · 17120 days ago · 5 km deep · 99 km away
  15. 2.04 km ENE of Royal City, Washington · 17120 days ago · 0 km deep · 99 km away
  16. 1.64 km NE of Royal City, Washington · 17120 days ago · 4 km deep · 98 km away
  17. 1.722 km E of Mansfield, Washington · 17120 days ago · 0 km deep · 55 km away
  18. 2.117 km ESE of Mansfield, Washington · 17120 days ago · 0 km deep · 49 km away
  19. 1.83 km ENE of Royal City, Washington · 17125 days ago · 3 km deep · 98 km away
  20. 1.73 km ENE of Royal City, Washington · 17125 days ago · 5 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10851448. Read Thu, Oct 1, 2026, 12:48 PM UTC.