California earthquakes

M1.6 earthquake 1 km SW of Weed, California

A magnitude 1.6 earthquake struck 1 km SW of Weed, California on Fri, Dec 16, 1983, 1:07 PM PST (21:07 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.3 10 km NNE of French Gulch, California. This one was a foreshock.

Weed forecastMore in California

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
1983-12-16 21:07:51 UTC
Depth
3.5 km (2.2 mi), shallow
Epicenter
41.415° N, 122.398° 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 3.3 km horizontally, 36.2 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
178°
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.310 km NNE of French Gulch, California · 15615 days ago · 19 km deep · 72 km away
  2. 2.17 km W of Big Bend, California · 15603 days ago · 13 km deep · 54 km away
  3. 1.73 km NE of Lewiston, California · 15599 days ago · 14 km deep · 83 km away
  4. 1.831 km NNW of McArthur, California · 15599 days ago · 3 km deep · 71 km away
  5. 1.85 km N of Lakehead, California · 15595 days ago · 4 km deep · 52 km away
  6. 1.616 km WNW of Round Mountain, California · 15595 days ago · 15 km deep · 67 km away
  7. 1.910 km SE of Dunsmuir, California · 15592 days ago · 4 km deep · 36 km away
  8. 1.99 km NW of Montgomery Creek, California · 15591 days ago · 4 km deep · 65 km away
  9. 1.913 km N of Shingletown, California · 15584 days ago · 12 km deep · 99 km away
  10. 1.97 km WNW of Central Valley (historical), California · 15583 days ago · 26 km deep · 80 km away
  11. 1.66 km NNE of Millville, California · 15583 days ago · 4 km deep · 92 km away
  12. 3.029 km NNE of Willow Creek, California · 15576 days ago · 40 km deep · 97 km away
  13. 2.412 km NNW of Cassel, California · 15576 days ago · 12 km deep · 79 km away
  14. 1.67 km W of Burney, California · 15566 days ago · 3 km deep · 81 km away

Before

  1. 2.113 km NW of Cassel, California · 15623 days ago · 4 km deep · 77 km away
  2. 3.440 km W of Coffee Creek, California · 15626 days ago · 40 km deep · 73 km away
  3. 1.717 km W of Round Mountain, California · 15628 days ago · 15 km deep · 71 km away
  4. 2.85 km N of French Gulch, California · 15634 days ago · 14 km deep · 76 km away
  5. 1.615 km NNW of Coffee Creek, California · 15638 days ago · 3 km deep · 40 km away
  6. 2.114 km SE of McCloud, California · 15639 days ago · 10 km deep · 43 km away
  7. 1.915 km SE of McCloud, California · 15639 days ago · 9 km deep · 43 km away
  8. 1.67 km ENE of Lakehead, California · 15640 days ago · 4 km deep · 53 km away
  9. 2.817 km ENE of Mountain Gate, California · 15641 days ago · 17 km deep · 71 km away
  10. 1.917 km W of Round Mountain, California · 15641 days ago · 14 km deep · 70 km away
  11. 2.917 km W of Round Mountain, California · 15641 days ago · 16 km deep · 71 km away
  12. 3.417 km ENE of Mountain Gate, California · 15641 days ago · 17 km deep · 72 km away
  13. 2.26 km WNW of Lakehead, California · 15650 days ago · 3 km deep · 55 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1108560. Read Tue, Sep 22, 2026, 11:24 AM UTC.