California earthquakes

M1.9 earthquake 2 km S of Lakehead, California

A magnitude 1.9 earthquake struck 2 km S of Lakehead, California on Thu, Jun 4, 1981, 2:40 PM PDT (21:40 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.5 7 km ESE of Burnt Ranch, California. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.9 (md), micro
Local time
UTC
1981-06-04 21:40:50 UTC
Depth
2.6 km (1.6 mi), shallow
Epicenter
40.883° N, 122.385° 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 7.1 km horizontally, 10.6 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
317°, poorly surrounded by stations
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.57 km ESE of Burnt Ranch, California · 16534 days ago · 5 km deep · 86 km away
  2. 2.07 km NNW of McArthur, California · 16532 days ago · 3 km deep · 83 km away
  3. 1.811 km W of Junction City, California · 16529 days ago · 14 km deep · 69 km away
  4. 1.818 km ENE of Shingletown, California · 16525 days ago · 8 km deep · 70 km away
  5. 1.97 km WSW of Junction City, California · 16524 days ago · 10 km deep · 66 km away
  6. 1.87 km E of Manton, California · 16524 days ago · 3 km deep · 72 km away
  7. 2.2Northern California · 16523 days ago · 4 km deep · 48 km away
  8. 2.6Northern California · 16521 days ago · 3 km deep · 64 km away
  9. 2.012 km WNW of Burney, California · 16518 days ago · 3 km deep · 49 km away
  10. 1.611 km SSW of Burnt Ranch, California · 16516 days ago · 30 km deep · 99 km away
  11. 1.916 km S of Round Mountain, California · 16515 days ago · 4 km deep · 47 km away
  12. 2.514 km NNE of Mineral, California · 16513 days ago · 2 km deep · 87 km away
  13. 2.915 km NNE of Mineral, California · 16513 days ago · 0 km deep · 88 km away
  14. 1.917 km SE of Etna, California · 16512 days ago · 3 km deep · 59 km away
  15. 1.915 km WSW of Gazelle, California · 16512 days ago · 2 km deep · 70 km away
  16. 1.716 km NE of Mineral, California · 16510 days ago · 1 km deep · 89 km away
  17. 2.16 km N of Hyampom, California · 16503 days ago · 14 km deep · 92 km away
  18. 2.913 km E of Bend, California · 16501 days ago · 24 km deep · 76 km away
  19. 1.8Northern California · 16500 days ago · 9 km deep · 54 km away
  20. 1.90 km SSE of Burnt Ranch, California · 16498 days ago · 34 km deep · 92 km away
  21. 2.27 km NE of Montgomery Creek, California · 16494 days ago · 7 km deep · 44 km away
  22. 1.92 km S of Lakehead, California · 16489 days ago · 4 km deep · 0 km away
  23. 1.830 km NNW of McArthur, California · 16487 days ago · 10 km deep · 80 km away

Before

  1. 2.27 km E of Hyampom, California · 16552 days ago · 4 km deep · 88 km away
  2. 1.84 km ESE of Manton, California · 16555 days ago · 22 km deep · 70 km away
  3. 1.613 km NNE of Mineral, California · 16561 days ago · 3 km deep · 85 km away
  4. 3.4Northern California · 16562 days ago · 41 km deep · 95 km away
  5. 2.313 km NNE of Mineral, California · 16563 days ago · 2 km deep · 84 km away
  6. 3.1Northern California · 16564 days ago · -1 km deep · 84 km away
  7. 1.733 km SW of Etna, California · 16567 days ago · 4 km deep · 82 km away
  8. 2.48 km NE of Mad River, California · 16567 days ago · 0 km deep · 98 km away
  9. 1.513 km NNE of Mineral, California · 16568 days ago · -1 km deep · 85 km away
  10. 1.617 km ENE of Shingletown, California · 16572 days ago · 1 km deep · 68 km away
  11. 2.29 km ESE of Hyampom, California · 16574 days ago · 21 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1064262. Read Tue, Sep 22, 2026, 9:39 PM UTC.