California earthquakes

M2.7 earthquake 4 km SE of Palermo, California

A magnitude 2.7 earthquake struck 4 km SE of Palermo, California on Thu, Oct 30, 1975, 6:09 AM PST (14:09 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.8 4 km SE of Palermo, California. This one was a foreshock.

Palermo 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
2.7 (md), micro
Local time
UTC
1975-10-30 14:09:18 UTC
Depth
3.4 km (2.1 mi), shallow
Epicenter
39.406° N, 121.505° 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
±0.14
Depth from
From location
Station coverage gap
76°
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: 95 in the 60 days after this one and 83 in the 30 days before it.

After

  1. 2.5Northern California · 18590 days ago · 8 km deep · 8 km away
  2. 2.84 km SE of Palermo, California · 18590 days ago · 6 km deep · 1 km away
  3. 1.82 km SSE of South Oroville, California · 18590 days ago · 8 km deep · 8 km away
  4. 3.03 km ESE of Palermo, California · 18589 days ago · 2 km deep · 2 km away
  5. 1.96 km ESE of Oroville East, California · 18589 days ago · 15 km deep · 12 km away
  6. 1.74 km ESE of Palermo, California · 18588 days ago · 2 km deep · 3 km away
  7. 2.65 km SSE of Palermo, California · 18588 days ago · 4 km deep · 1 km away
  8. 1.64 km SE of Palermo, California · 18587 days ago · 5 km deep · 0 km away
  9. 3.04 km NW of Oroville East, California · 18587 days ago · 6 km deep · 15 km away
  10. 3.45 km SSE of Palermo, California · 18586 days ago · 4 km deep · 1 km away
  11. 3.45 km SSE of Palermo, California · 18586 days ago · 4 km deep · 1 km away
  12. 2.05 km SSE of Palermo, California · 18585 days ago · 4 km deep · 1 km away
  13. 2.72 km ENE of South Oroville, California · 18585 days ago · 7 km deep · 11 km away
  14. 2.21 km ENE of South Oroville, California · 18585 days ago · 6 km deep · 11 km away
  15. 2.71 km SW of South Oroville, California · 18585 days ago · 13 km deep · 11 km away
  16. 3.46 km SE of Palermo, California · 18585 days ago · 5 km deep · 2 km away
  17. 2.71 km ENE of South Oroville, California · 18584 days ago · 7 km deep · 11 km away
  18. 1.93 km ENE of Palermo, California · 18584 days ago · 3 km deep · 4 km away
  19. 2.43 km E of Palermo, California · 18584 days ago · 2 km deep · 4 km away
  20. 2.45 km ESE of Palermo, California · 18583 days ago · 2 km deep · 2 km away
  21. 2.94 km SSE of Palermo, California · 18582 days ago · 3 km deep · 1 km away
  22. 2.82 km SSW of Oroville East, California · 18582 days ago · 3 km deep · 10 km away
  23. 2.24 km SE of Palermo, California · 18581 days ago · 4 km deep · 0 km away
  24. 1.74 km SE of Palermo, California · 18580 days ago · 5 km deep · 0 km away
  25. 1.64 km SE of Palermo, California · 18580 days ago · 3 km deep · 0 km away
  26. 2.85 km SSE of Palermo, California · 18580 days ago · 4 km deep · 1 km away
  27. 2.44 km SW of Oroville East, California · 18579 days ago · 5 km deep · 8 km away
  28. 2.34 km SW of Oroville East, California · 18579 days ago · 5 km deep · 8 km away
  29. 2.20 km S of Palermo, California · 18579 days ago · 8 km deep · 4 km away
  30. 1.64 km NE of Palermo, California · 18579 days ago · 3 km deep · 6 km away
  31. 2.22 km E of Oroville, California · 18577 days ago · 8 km deep · 12 km away
  32. 2.73 km SSE of Palermo, California · 18577 days ago · 6 km deep · 2 km away
  33. 2.54 km NE of Palermo, California · 18576 days ago · 2 km deep · 6 km away
  34. 2.44 km SE of Palermo, California · 18576 days ago · 6 km deep · 1 km away
  35. 3.83 km ESE of Palermo, California · 18575 days ago · 7 km deep · 1 km away
  36. 3.04 km ESE of Palermo, California · 18575 days ago · 7 km deep · 2 km away
  37. 2.23 km ESE of Palermo, California · 18575 days ago · 6 km deep · 2 km away
  38. 2.63 km SSE of Palermo, California · 18574 days ago · 5 km deep · 2 km away
  39. 2.24 km SE of Palermo, California · 18574 days ago · 4 km deep · 0 km away
  40. 1.52 km SW of Oroville East, California · 18574 days ago · 4 km deep · 10 km away
  41. 1.56 km SSE of Palermo, California · 18573 days ago · 4 km deep · 2 km away
  42. 3.13 km SSE of Palermo, California · 18573 days ago · 5 km deep · 2 km away
  43. 2.33 km SW of Oroville East, California · 18572 days ago · 5 km deep · 9 km away
  44. 2.34 km SE of Palermo, California · 18572 days ago · 8 km deep · 1 km away
  45. 3.05 km S of Oroville East, California · 18571 days ago · 2 km deep · 7 km away
  46. 1.61 km ESE of Oroville, California · 18569 days ago · 9 km deep · 12 km away
  47. 2.44 km ESE of Palermo, California · 18569 days ago · 8 km deep · 2 km away
  48. 2.53 km SE of Palermo, California · 18569 days ago · 6 km deep · 1 km away
  49. 2.03 km E of Palermo, California · 18569 days ago · 2 km deep · 3 km away
  50. 1.82 km ESE of Palermo, California · 18567 days ago · 5 km deep · 2 km away
  51. 1.62 km N of Palermo, California · 18567 days ago · 7 km deep · 7 km away
  52. 2.23 km ESE of Palermo, California · 18567 days ago · 3 km deep · 2 km away
  53. 3.04 km SE of Palermo, California · 18567 days ago · 3 km deep · 0 km away
  54. 1.63 km SE of Palermo, California · 18566 days ago · 6 km deep · 1 km away
  55. 2.84 km SE of Palermo, California · 18566 days ago · 3 km deep · 0 km away
  56. 1.81 km S of Palermo, California · 18566 days ago · 8 km deep · 3 km away
  57. 2.14 km W of Bangor, California · 18564 days ago · 4 km deep · 4 km away
  58. 1.62 km NE of South Oroville, California · 18563 days ago · 6 km deep · 12 km away
  59. 3.24 km SE of Palermo, California · 18563 days ago · 3 km deep · 0 km away
  60. 2.51 km WSW of Oroville East, California · 18563 days ago · 4 km deep · 11 km away

The first 60 of 95.

Before

  1. 2.3Northern California · 18591 days ago · 5 km deep · 1 km away
  2. 2.44 km NE of Palermo, California · 18591 days ago · 5 km deep · 7 km away
  3. 2.82 km ENE of Oroville, California · 18593 days ago · 9 km deep · 13 km away
  4. 1.73 km WSW of Oroville East, California · 18593 days ago · 5 km deep · 10 km away
  5. 3.53 km WSW of Oroville East, California · 18593 days ago · 5 km deep · 10 km away
  6. 3.61 km WSW of Oroville East, California · 18593 days ago · 3 km deep · 11 km away
  7. 2.73 km SE of Palermo, California · 18595 days ago · 3 km deep · 1 km away
  8. 2.02 km ENE of Oroville, California · 18595 days ago · 9 km deep · 13 km away
  9. 1.65 km ESE of Palermo, California · 18597 days ago · 5 km deep · 3 km away
  10. 2.92 km SSE of South Oroville, California · 18597 days ago · 9 km deep · 8 km away
  11. 1.54 km SSE of Palermo, California · 18597 days ago · 3 km deep · 1 km away
  12. 2.14 km SSE of Palermo, California · 18598 days ago · 5 km deep · 1 km away
  13. 2.23 km SE of Palermo, California · 18598 days ago · 6 km deep · 1 km away
  14. 1.82 km SW of Oroville East, California · 18598 days ago · 4 km deep · 10 km away
  15. 2.02 km E of Oroville, California · 18598 days ago · 8 km deep · 13 km away
  16. 2.03 km SSW of Palermo, California · 18599 days ago · 11 km deep · 4 km away
  17. 2.6Northern California · 18599 days ago · 7 km deep · 2 km away
  18. 1.73 km SSE of Palermo, California · 18600 days ago · 5 km deep · 1 km away
  19. 2.22 km E of Oroville, California · 18600 days ago · 9 km deep · 12 km away
  20. 3.21 km E of Oroville, California · 18600 days ago · 9 km deep · 12 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1027246. Read Tue, Sep 22, 2026, 10:31 PM UTC.