California earthquakes

M1.6 earthquake 2 km ENE of Berkeley, California

A magnitude 1.6 earthquake struck 2 km ENE of Berkeley, California on Fri, Oct 3, 1975, 6:32 PM PDT (01:32 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.3 13 km E of Angwin, 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 (md), micro
Local time
UTC
1975-10-04 01:32:44 UTC
Depth
9.1 km (5.6 mi), shallow
Epicenter
37.878° N, 122.242° 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 0.2 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
71°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 86 in the 60 days after this one and 40 in the 30 days before it.

After

  1. 3.03 km ENE of Berkeley, California · 18621 days ago · 10 km deep · 0 km away
  2. 2.212 km ESE of East Foothills, California · 18620 days ago · 4 km deep · 78 km away
  3. 2.16 km NE of Discovery Bay, California · 18620 days ago · 14 km deep · 61 km away
  4. 2.2Northern California · 18619 days ago · 6 km deep · 87 km away
  5. 2.43 km NE of Diablo, California · 18619 days ago · 6 km deep · 28 km away
  6. 1.72 km NE of Diablo, California · 18619 days ago · 6 km deep · 27 km away
  7. 2.13 km SW of Muir Beach, California · 18614 days ago · 11 km deep · 33 km away
  8. 2.04 km W of Deer Park, California · 18614 days ago · 8 km deep · 77 km away
  9. 1.92 km E of La Honda, California · 18613 days ago · 8 km deep · 62 km away
  10. 2.20 km E of Waldon, California · 18612 days ago · 13 km deep · 18 km away
  11. 1.619 km NNE of Morgan Hill, California · 18612 days ago · 7 km deep · 86 km away
  12. 1.63 km NE of Diablo, California · 18611 days ago · 5 km deep · 28 km away
  13. 2.44 km SW of Glen Ellen, California · 18611 days ago · 9 km deep · 59 km away
  14. 2.96 km NE of East Foothills, California · 18609 days ago · 6 km deep · 67 km away
  15. 2.63 km S of Fairview, California · 18608 days ago · 6 km deep · 31 km away
  16. 1.56 km NE of East Foothills, California · 18607 days ago · 7 km deep · 67 km away
  17. 1.89 km SE of Alum Rock, California · 18606 days ago · 4 km deep · 76 km away
  18. 1.83 km ENE of San Ramon, California · 18605 days ago · 10 km deep · 28 km away
  19. 2.713 km NNE of East Foothills, California · 18604 days ago · 7 km deep · 60 km away
  20. 2.313 km E of Angwin, California · 18602 days ago · 12 km deep · 75 km away
  21. 3.313 km E of Angwin, California · 18602 days ago · 11 km deep · 75 km away
  22. 2.214 km NNW of Moskowite Corner, California · 18602 days ago · 10 km deep · 76 km away
  23. 2.82 km S of Stanford, California · 18602 days ago · 6 km deep · 53 km away
  24. 1.93 km SE of Sunol, California · 18601 days ago · 10 km deep · 48 km away
  25. 2.411 km N of Morgan Hill, California · 18600 days ago · 6 km deep · 88 km away
  26. 1.74 km E of East Foothills, California · 18600 days ago · 1 km deep · 70 km away
  27. 1.811 km NNE of Morgan Hill, California · 18598 days ago · 1 km deep · 91 km away
  28. 1.61 km NE of Benicia, California · 18597 days ago · 7 km deep · 22 km away
  29. 2.53 km NE of Benicia, California · 18597 days ago · 10 km deep · 23 km away
  30. 2.37 km N of Pittsburg, California · 18597 days ago · 15 km deep · 38 km away
  31. 2.53 km ENE of Diablo, California · 18595 days ago · 7 km deep · 28 km away
  32. 2.02 km ENE of Diablo, California · 18595 days ago · 5 km deep · 28 km away
  33. 1.525 km SE of Livermore, California · 18595 days ago · 0 km deep · 72 km away
  34. 1.7Northern California · 18594 days ago · 4 km deep · 2 km away
  35. 1.92 km N of Blackhawk, California · 18594 days ago · 9 km deep · 30 km away
  36. 1.71 km NW of Larkfield-Wikiup, California · 18594 days ago · 0 km deep · 85 km away
  37. 2.07 km NNE of East Foothills, California · 18594 days ago · 10 km deep · 64 km away
  38. 2.17 km WNW of Broadmoor, California · 18591 days ago · 3 km deep · 33 km away
  39. 1.67 km NW of Livermore, California · 18591 days ago · 12 km deep · 40 km away
  40. 1.63 km ENE of Diablo, California · 18590 days ago · 3 km deep · 28 km away
  41. 1.520 km SSE of Livermore, California · 18589 days ago · 0 km deep · 65 km away
  42. 1.721 km NE of East Foothills, California · 18589 days ago · 3 km deep · 68 km away
  43. 2.02 km ENE of Berkeley, California · 18588 days ago · 10 km deep · 0 km away
  44. 2.43 km W of Livermore, California · 18588 days ago · 16 km deep · 44 km away
  45. 2.42 km NE of San Leandro, California · 18587 days ago · 4 km deep · 18 km away
  46. 2.314 km E of Seven Trees, California · 18587 days ago · 1 km deep · 83 km away
  47. 1.811 km NNE of Angwin, California · 18586 days ago · 6 km deep · 89 km away
  48. 2.35 km WSW of Rutherford, California · 18586 days ago · 11 km deep · 66 km away
  49. 1.510 km NE of Blackhawk, California · 18585 days ago · 10 km deep · 37 km away
  50. 1.612 km SSE of Livermore, California · 18584 days ago · 4 km deep · 57 km away
  51. 3.021 km NE of East Foothills, California · 18584 days ago · 4 km deep · 68 km away
  52. 2.512 km SE of Sunol, California · 18583 days ago · 7 km deep · 56 km away
  53. 2.215 km E of Seven Trees, California · 18583 days ago · 8 km deep · 82 km away
  54. 2.118 km NE of East Foothills, California · 18582 days ago · 9 km deep · 67 km away
  55. 1.86 km SE of Cambrian Park, California · 18582 days ago · 9 km deep · 81 km away
  56. 2.818 km NE of East Foothills, California · 18582 days ago · 9 km deep · 67 km away
  57. 2.57 km SSW of Livermore, California · 18581 days ago · 5 km deep · 49 km away
  58. 1.86 km SE of Lexington Hills, California · 18580 days ago · 12 km deep · 88 km away
  59. 1.67 km SE of Lexington Hills, California · 18578 days ago · 11 km deep · 88 km away
  60. 1.66 km ESE of Lexington Hills, California · 18578 days ago · 11 km deep · 88 km away

The first 60 of 86.

Before

  1. 2.02 km ENE of Berkeley, California · 18621 days ago · 8 km deep · 0 km away
  2. 3.53 km ENE of Berkeley, California · 18621 days ago · 10 km deep · 0 km away
  3. 1.917 km SE of Livermore, California · 18621 days ago · 4 km deep · 64 km away
  4. 1.92 km NE of Diablo, California · 18621 days ago · 2 km deep · 27 km away
  5. 3.32 km NE of Diablo, California · 18621 days ago · 7 km deep · 27 km away
  6. 1.62 km ENE of Diablo, California · 18622 days ago · 5 km deep · 28 km away
  7. 1.616 km NE of East Foothills, California · 18626 days ago · 6 km deep · 65 km away
  8. 1.521 km NE of East Foothills, California · 18630 days ago · 2 km deep · 68 km away
  9. 2.816 km NE of East Foothills, California · 18632 days ago · 6 km deep · 65 km away
  10. 2.79 km NNE of Morgan Hill, California · 18638 days ago · 4 km deep · 93 km away
  11. 2.37 km WSW of Glen Ellen, California · 18638 days ago · 0 km deep · 59 km away
  12. 1.618 km NE of East Foothills, California · 18639 days ago · 8 km deep · 66 km away
  13. 2.1Northern California · 18639 days ago · 0 km deep · 92 km away
  14. 1.82 km ENE of Diablo, California · 18639 days ago · 4 km deep · 27 km away
  15. 3.43 km NE of Diablo, California · 18639 days ago · 5 km deep · 28 km away
  16. 3.06 km E of East Foothills, California · 18643 days ago · 6 km deep · 70 km away
  17. 2.59 km ESE of Alum Rock, California · 18643 days ago · 3 km deep · 76 km away
  18. 2.116 km NE of East Foothills, California · 18643 days ago · 7 km deep · 65 km away
  19. 1.916 km WNW of Davenport, California · 18644 days ago · 5 km deep · 90 km away
  20. 1.93 km ENE of Diablo, California · 18645 days ago · 6 km deep · 28 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1026809. Read Sat, Sep 26, 2026, 8:18 PM UTC.