California earthquakes

M1.9 earthquake 3 km E of Berkeley, California

A magnitude 1.9 earthquake struck 3 km E of Berkeley, California on Sun, May 4, 1975, 8:08 AM PDT (15:08 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.6 2 km WSW of Portola Valley, 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
1975-05-04 15:08:34 UTC
Depth
10.1 km (6.3 mi), shallow
Epicenter
37.873° N, 122.238° 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, 0.4 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
48°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 96 in the 60 days after this one and 24 in the 30 days before it.

After

  1. 1.83 km E of Berkeley, California · 18776 days ago · 10 km deep · 1 km away
  2. 2.27 km ESE of East Foothills, California · 18776 days ago · 1 km deep · 72 km away
  3. 2.01 km SSE of Knightsen, California · 18773 days ago · 13 km deep · 51 km away
  4. 2.9Northern California · 18773 days ago · 14 km deep · 87 km away
  5. 2.94 km N of Windsor, California · 18773 days ago · 6 km deep · 94 km away
  6. 2.321 km ENE of East Foothills, California · 18770 days ago · 6 km deep · 72 km away
  7. 1.821 km ENE of East Foothills, California · 18770 days ago · 6 km deep · 72 km away
  8. 1.96 km NE of East Foothills, California · 18768 days ago · 6 km deep · 65 km away
  9. 2.64 km E of East Foothills, California · 18768 days ago · 3 km deep · 69 km away
  10. 2.17 km S of Sunol, California · 18767 days ago · 8 km deep · 49 km away
  11. 1.618 km NE of East Foothills, California · 18767 days ago · 7 km deep · 64 km away
  12. 2.32 km N of Kensington, California · 18764 days ago · 9 km deep · 8 km away
  13. 1.53 km ESE of Berkeley, California · 18764 days ago · 13 km deep · 2 km away
  14. 2.410 km ESE of East Foothills, California · 18764 days ago · 8 km deep · 75 km away
  15. 3.010 km ESE of East Foothills, California · 18764 days ago · 8 km deep · 75 km away
  16. 2.49 km ENE of Morgan Hill, California · 18763 days ago · 5 km deep · 100 km away
  17. 1.721 km SE of Livermore, California · 18763 days ago · 3 km deep · 67 km away
  18. 2.411 km N of Morgan Hill, California · 18762 days ago · 6 km deep · 88 km away
  19. 1.814 km NE of East Foothills, California · 18761 days ago · 7 km deep · 63 km away
  20. 2.116 km E of Seven Trees, California · 18761 days ago · 6 km deep · 83 km away
  21. 1.83 km ESE of Piedmont, California · 18759 days ago · 7 km deep · 7 km away
  22. 1.96 km E of Santa Rosa, California · 18758 days ago · 9 km deep · 72 km away
  23. 2.36 km ENE of Santa Rosa, California · 18757 days ago · 10 km deep · 74 km away
  24. 1.54 km SSE of Sunol, California · 18757 days ago · 14 km deep · 48 km away
  25. 1.76 km S of Sunol, California · 18757 days ago · 6 km deep · 49 km away
  26. 2.57 km S of Livermore, California · 18755 days ago · 8 km deep · 50 km away
  27. 2.63 km SE of Pittsburg, California · 18754 days ago · 17 km deep · 37 km away
  28. 2.51 km NE of Hayward, California · 18753 days ago · 5 km deep · 26 km away
  29. 3.01 km W of Concord, California · 18752 days ago · 13 km deep · 21 km away
  30. 3.07 km NE of Blackhawk, California · 18751 days ago · 8 km deep · 35 km away
  31. 1.91 km W of Concord, California · 18749 days ago · 13 km deep · 21 km away
  32. 2.99 km ENE of Milpitas, California · 18749 days ago · 7 km deep · 58 km away
  33. 2.32 km SE of Knightsen, California · 18749 days ago · 5 km deep · 52 km away
  34. 2.014 km E of Seven Trees, California · 18748 days ago · 2 km deep · 81 km away
  35. 1.81 km NNW of Kensington, California · 18747 days ago · 6 km deep · 7 km away
  36. 3.211 km WNW of Calistoga, California · 18746 days ago · 8 km deep · 93 km away
  37. 3.18 km ENE of Morgan Hill, California · 18744 days ago · 4 km deep · 98 km away
  38. 1.87 km NNE of Castro Valley, California · 18743 days ago · 12 km deep · 19 km away
  39. 2.59 km N of Pittsburg, California · 18742 days ago · 20 km deep · 40 km away
  40. 2.110 km ESE of Black Point-Green Point, California · 18742 days ago · 10 km deep · 28 km away
  41. 3.12 km SE of Knightsen, California · 18740 days ago · 15 km deep · 52 km away
  42. 1.81 km WNW of Concord, California · 18740 days ago · 14 km deep · 21 km away
  43. 2.313 km N of Morgan Hill, California · 18739 days ago · 5 km deep · 87 km away
  44. 2.011 km ESE of Middletown, California · 18739 days ago · 7 km deep · 94 km away
  45. 1.611 km ESE of East Foothills, California · 18738 days ago · 6 km deep · 76 km away
  46. 2.219 km ENE of East Foothills, California · 18738 days ago · 5 km deep · 75 km away
  47. 2.54 km S of Loyola, California · 18738 days ago · 7 km deep · 64 km away
  48. 1.62 km SE of Clyde, California · 18737 days ago · 20 km deep · 25 km away
  49. 2.54 km W of Broadmoor, California · 18737 days ago · 7 km deep · 34 km away
  50. 2.514 km E of Seven Trees, California · 18737 days ago · 3 km deep · 82 km away
  51. 1.83 km NNW of Larkfield-Wikiup, California · 18735 days ago · 4 km deep · 88 km away
  52. 1.81 km N of Concord, California · 18734 days ago · 18 km deep · 22 km away
  53. 1.8Northern California · 18734 days ago · 9 km deep · 55 km away
  54. 1.7Northern California · 18734 days ago · 12 km deep · 32 km away
  55. 2.00 km WSW of Alamo, California · 18733 days ago · 9 km deep · 18 km away
  56. 1.910 km SW of Brentwood, California · 18732 days ago · 19 km deep · 41 km away
  57. 3.52 km NE of Pittsburg, California · 18732 days ago · 18 km deep · 38 km away
  58. 2.32 km NW of Orinda, California · 18732 days ago · 6 km deep · 4 km away
  59. 1.65 km NNE of Morgan Hill, California · 18732 days ago · 4 km deep · 95 km away
  60. 1.52 km ESE of Concord, California · 18731 days ago · 18 km deep · 23 km away

The first 60 of 96.

Before

  1. 2.32 km SSE of Diablo, California · 18777 days ago · 15 km deep · 26 km away
  2. 2.514 km E of Seven Trees, California · 18777 days ago · 2 km deep · 81 km away
  3. 2.44 km NNW of Morgan Hill, California · 18779 days ago · 7 km deep · 93 km away
  4. 1.84 km SW of Communications Hill, California · 18779 days ago · 5 km deep · 75 km away
  5. 2.49 km SSW of Calistoga, California · 18781 days ago · 6 km deep · 76 km away
  6. 2.110 km ENE of Milpitas, California · 18781 days ago · 6 km deep · 58 km away
  7. 1.5Northern California · 18783 days ago · 2 km deep · 56 km away
  8. 2.715 km N of Morgan Hill, California · 18783 days ago · 6 km deep · 85 km away
  9. 1.912 km ESE of East Foothills, CA · 18784 days ago · 4 km deep · 76 km away
  10. 2.19 km ESE of Lexington Hills, California · 18784 days ago · 10 km deep · 89 km away
  11. 1.810 km ESE of Seven Trees, California · 18786 days ago · 5 km deep · 81 km away
  12. 2.810 km N of East Foothills, California · 18788 days ago · 4 km deep · 59 km away
  13. 2.915 km E of Seven Trees, California · 18791 days ago · 6 km deep · 83 km away
  14. 2.09 km SSW of Calistoga, California · 18792 days ago · 6 km deep · 76 km away
  15. 3.32 km N of Kensington, California · 18792 days ago · 9 km deep · 8 km away
  16. 1.97 km ENE of Morgan Hill, California · 18793 days ago · 4 km deep · 98 km away
  17. 2.47 km ENE of Morgan Hill, California · 18794 days ago · 4 km deep · 98 km away
  18. 1.89 km SSE of Half Moon Bay, California · 18794 days ago · 7 km deep · 56 km away
  19. 1.617 km NE of East Foothills, California · 18795 days ago · 8 km deep · 65 km away
  20. 1.715 km E of Seven Trees, California · 18797 days ago · 5 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1023749. Read Tue, Sep 29, 2026, 11:24 AM UTC.