California earthquakes

M1.6 earthquake 3 km ESE of Palermo, California

A magnitude 1.6 earthquake struck 3 km ESE of Palermo, California on Thu, Jun 4, 1981, 1:22 PM PDT (20:22 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.5 18 km WSW of Williams, 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
1.6 (ma), micro
Local time
UTC
1981-06-04 20:22:54 UTC
Depth
3.3 km (2.0 mi), shallow
Epicenter
39.426° N, 121.503° 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 0.5 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
183°, poorly surrounded by stations
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 39 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 2.4Northern California · 16552 days ago · 13 km deep · 90 km away
  2. 2.510 km SW of Spring Garden, California · 16551 days ago · -1 km deep · 70 km away
  3. 2.114 km NNW of Guinda, California · 16551 days ago · 8 km deep · 83 km away
  4. 2.14 km NNW of Dobbins, California · 16551 days ago · 22 km deep · 24 km away
  5. 2.213 km WNW of Cohasset, California · 16548 days ago · 15 km deep · 69 km away
  6. 1.81 km NNE of Clipper Mills, California · 16536 days ago · 7 km deep · 33 km away
  7. 3.518 km WSW of Williams, California · 16535 days ago · 12 km deep · 82 km away
  8. 2.421 km WSW of Williams, California · 16535 days ago · -1 km deep · 85 km away
  9. 2.84 km ESE of Palermo, California · 16535 days ago · 5 km deep · 2 km away
  10. 3.12 km NNW of Belden, California · 16535 days ago · 5 km deep · 70 km away
  11. 2.212 km WSW of Chester, California · 16533 days ago · 3 km deep · 92 km away
  12. 2.11 km SW of Stonyford, California · 16531 days ago · 7 km deep · 91 km away
  13. 3.45 km SE of Palermo, California · 16527 days ago · 7 km deep · 3 km away
  14. 1.84 km SE of Palermo, California · 16527 days ago · 5 km deep · 2 km away
  15. 1.94 km SE of Palermo, California · 16526 days ago · 7 km deep · 2 km away
  16. 2.13 km NW of Lake Almanor Country Club, California · 16526 days ago · 3 km deep · 98 km away
  17. 1.96 km W of Stonyford, California · 16524 days ago · 0 km deep · 96 km away
  18. 2.24 km W of Stonyford, California · 16524 days ago · 3 km deep · 94 km away
  19. 1.612 km WSW of Chester, California · 16518 days ago · 3 km deep · 96 km away
  20. 2.03 km ESE of Palermo, California · 16514 days ago · 4 km deep · 1 km away
  21. 2.54 km SE of Palermo, California · 16513 days ago · 7 km deep · 3 km away
  22. 1.50 km NW of Lake Almanor Country Club, California · 16512 days ago · 2 km deep · 97 km away
  23. 2.54 km SE of Palermo, California · 16512 days ago · 7 km deep · 3 km away
  24. 2.611 km NE of Nord, California · 16512 days ago · 21 km deep · 56 km away
  25. 1.825 km SSW of Kingvale, California · 16511 days ago · 9 km deep · 93 km away
  26. 2.3Northern California · 16510 days ago · 2 km deep · 18 km away
  27. 2.86 km NNW of Thermalito, California · 16509 days ago · 2 km deep · 18 km away
  28. 1.52 km ESE of Nord, California · 16507 days ago · 14 km deep · 53 km away
  29. 1.82 km NE of Canyondam, California · 16507 days ago · 2 km deep · 93 km away
  30. 2.0Northern California · 16507 days ago · 13 km deep · 98 km away
  31. 1.66 km NW of Plumas Eureka (historical), California · 16506 days ago · 1 km deep · 76 km away
  32. 1.93 km SW of East Shore, California · 16506 days ago · 1 km deep · 94 km away
  33. 2.75 km ESE of Chico, California · 16505 days ago · 19 km deep · 40 km away
  34. 2.56 km SSE of Dunnigan, California · 16503 days ago · 10 km deep · 76 km away
  35. 2.010 km W of Lake Almanor West, California · 16502 days ago · 3 km deep · 92 km away
  36. 1.94 km SE of Palermo, California · 16502 days ago · 6 km deep · 2 km away
  37. 2.14 km SSW of Whitehawk, California · 16501 days ago · 14 km deep · 84 km away
  38. 1.86 km WSW of Durham, California · 16495 days ago · 29 km deep · 37 km away
  39. 2.91 km ENE of Clipper Mills, California · 16495 days ago · 8 km deep · 33 km away

Before

  1. 2.015 km NNW of Guinda, California · 16555 days ago · 9 km deep · 82 km away
  2. 2.91 km SW of Clipper Mills, California · 16562 days ago · 14 km deep · 30 km away
  3. 1.72 km W of Nord, California · 16565 days ago · 20 km deep · 57 km away
  4. 2.013 km SW of Lake Almanor West, California · 16566 days ago · 8 km deep · 84 km away
  5. 1.912 km WSW of Chester, California · 16566 days ago · 1 km deep · 92 km away
  6. 2.50 km SSW of Clipper Mills, California · 16567 days ago · 12 km deep · 32 km away
  7. 1.71 km NNW of Lincoln, California · 16567 days ago · 6 km deep · 60 km away
  8. 2.53 km SW of Clipper Mills, California · 16571 days ago · 12 km deep · 29 km away
  9. 2.70 km WSW of Clipper Mills, California · 16573 days ago · 11 km deep · 31 km away
  10. 1.916 km WSW of Williams, California · 16576 days ago · 2 km deep · 80 km away
  11. 1.913 km WSW of Maxwell, California · 16578 days ago · -1 km deep · 75 km away
  12. 3.27 km SW of Artois, California · 16580 days ago · 19 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1064259. Read Wed, Sep 30, 2026, 12:52 AM UTC.