California earthquakes

M2.3 earthquake 18 km WSW of Volta, California

A magnitude 2.3 earthquake struck 18 km WSW of Volta, California on Tue, Mar 16, 1976, 10:51 AM PST (18:51 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.3 Central 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
2.3 (md), micro
Local time
UTC
1976-03-16 18:51:03 UTC
Depth
7.0 km (4.3 mi), shallow
Epicenter
37.034° N, 121.116° 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 0.4 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.25
Depth from
From location
Station coverage gap
124°
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 180 in the 60 days after this one and 137 in the 30 days before it.

After

  1. 1.61 km ESE of Tres Pinos, California · 18458 days ago · 7 km deep · 32 km away
  2. 2.5Central California · 18458 days ago · 10 km deep · 52 km away
  3. 1.78 km NE of Gilroy, California · 18458 days ago · 7 km deep · 35 km away
  4. 1.58 km SE of Sunol, California · 18458 days ago · 9 km deep · 84 km away
  5. 2.225 km ENE of Greenfield, California · 18458 days ago · 2 km deep · 66 km away
  6. 4.3Central California · 18458 days ago · 7 km deep · 24 km away
  7. 1.916 km E of Tres Pinos, California · 18458 days ago · 6 km deep · 24 km away
  8. 1.916 km E of Tres Pinos, California · 18458 days ago · 7 km deep · 24 km away
  9. 2.316 km E of Tres Pinos, California · 18457 days ago · 6 km deep · 24 km away
  10. 2.317 km E of Tres Pinos, California · 18457 days ago · 5 km deep · 24 km away
  11. 2.716 km E of Tres Pinos, California · 18457 days ago · 6 km deep · 24 km away
  12. 1.716 km E of Tres Pinos, California · 18457 days ago · 4 km deep · 24 km away
  13. 1.726 km WNW of Diablo Grande, California · 18457 days ago · 5 km deep · 64 km away
  14. 2.825 km NE of King City, California · 18457 days ago · 4 km deep · 79 km away
  15. 1.917 km E of Tres Pinos, California · 18457 days ago · 5 km deep · 25 km away
  16. 3.117 km E of Tres Pinos, California · 18457 days ago · 4 km deep · 25 km away
  17. 1.87 km E of East Foothills, California · 18457 days ago · 6 km deep · 67 km away
  18. 2.56 km NNE of San Martin, California · 18456 days ago · 5 km deep · 42 km away
  19. 2.724 km NE of Greenfield, California · 18456 days ago · 5 km deep · 63 km away
  20. 2.95 km SW of King City, California · 18456 days ago · 6 km deep · 96 km away
  21. 2.015 km NE of East Foothills, California · 18455 days ago · 5 km deep · 71 km away
  22. 2.7Central California · 18455 days ago · 4 km deep · 77 km away
  23. 3.528 km W of Three Rocks, California · 18454 days ago · 8 km deep · 66 km away
  24. 3.229 km W of Three Rocks, California · 18454 days ago · 9 km deep · 65 km away
  25. 3.17 km S of Sunol, California · 18454 days ago · 9 km deep · 87 km away
  26. 2.07 km S of Sunol, California · 18454 days ago · 8 km deep · 88 km away
  27. 2.29 km ESE of Livermore, California · 18454 days ago · 5 km deep · 84 km away
  28. 2.77 km WSW of Ridgemark, California · 18453 days ago · 8 km deep · 40 km away
  29. 3.57 km WSW of Ridgemark, California · 18453 days ago · 9 km deep · 40 km away
  30. 2.415 km NW of Pacific Grove, California · 18453 days ago · 11 km deep · 89 km away
  31. 1.6Central California · 18453 days ago · 3 km deep · 41 km away
  32. 1.6Central California · 18452 days ago · 2 km deep · 39 km away
  33. 2.413 km SSE of Tres Pinos, California · 18452 days ago · 4 km deep · 42 km away
  34. 1.7Northern California · 18451 days ago · 15 km deep · 80 km away
  35. 2.1Northern California · 18451 days ago · 6 km deep · 77 km away
  36. 2.57 km WSW of Ridgemark, California · 18451 days ago · 8 km deep · 40 km away
  37. 2.416 km NE of East Foothills, California · 18450 days ago · 8 km deep · 72 km away
  38. 2.48 km ENE of Gilroy, California · 18450 days ago · 4 km deep · 32 km away
  39. 1.526 km ESE of Tres Pinos, California · 18450 days ago · 0 km deep · 35 km away
  40. 1.816 km NE of East Foothills, California · 18450 days ago · 8 km deep · 72 km away
  41. 1.818 km NE of East Foothills, California · 18449 days ago · 3 km deep · 69 km away
  42. 1.66 km SE of San Juan Bautista, California · 18449 days ago · 9 km deep · 41 km away
  43. 1.96 km S of Sunol, California · 18449 days ago · 7 km deep · 89 km away
  44. 2.67 km S of Sunol, California · 18449 days ago · 6 km deep · 89 km away
  45. 2.77 km S of Sunol, California · 18449 days ago · 7 km deep · 89 km away
  46. 2.416 km NE of East Foothills, California · 18449 days ago · 8 km deep · 72 km away
  47. 2.110 km NE of Tres Pinos, California · 18449 days ago · 6 km deep · 23 km away
  48. 1.522 km ENE of Soledad, California · 18449 days ago · 4 km deep · 57 km away
  49. 1.57 km SSW of Tres Pinos, California · 18448 days ago · 4 km deep · 40 km away
  50. 1.722 km ENE of Soledad, California · 18448 days ago · 4 km deep · 58 km away
  51. 1.910 km NNW of Hollister, California · 18446 days ago · 4 km deep · 33 km away
  52. 1.99 km NW of Hollister, California · 18446 days ago · 3 km deep · 34 km away
  53. 2.016 km NE of East Foothills, California · 18446 days ago · 7 km deep · 72 km away
  54. 2.68 km ENE of Morgan Hill, California · 18446 days ago · 3 km deep · 42 km away
  55. 1.711 km N of Morgan Hill, CA · 18446 days ago · 7 km deep · 52 km away
  56. 2.810 km NW of Hollister, California · 18445 days ago · 4 km deep · 34 km away
  57. 2.221 km NE of Soledad, California · 18445 days ago · 8 km deep · 55 km away
  58. 2.0Central California · 18444 days ago · 7 km deep · 42 km away
  59. 2.422 km NE of Greenfield, California · 18444 days ago · 0 km deep · 66 km away
  60. 2.0Central California · 18444 days ago · 7 km deep · 75 km away

The first 60 of 180.

Before

  1. 2.0Northern California · 18458 days ago · 7 km deep · 89 km away
  2. 2.126 km NE of San Lucas, California · 18458 days ago · 8 km deep · 89 km away
  3. 2.724 km NE of Greenfield, California · 18458 days ago · 2 km deep · 63 km away
  4. 1.924 km ENE of Soledad, California · 18458 days ago · 5 km deep · 60 km away
  5. 2.224 km ENE of Soledad, California · 18458 days ago · 5 km deep · 60 km away
  6. 3.5Central California · 18458 days ago · 5 km deep · 60 km away
  7. 2.026 km ENE of East Foothills, California · 18458 days ago · 3 km deep · 64 km away
  8. 2.626 km WNW of Diablo Grande, California · 18458 days ago · 5 km deep · 64 km away
  9. 2.224 km ENE of Soledad, California · 18459 days ago · 5 km deep · 60 km away
  10. 2.821 km NE of Soledad, California · 18459 days ago · 6 km deep · 55 km away
  11. 2.524 km ENE of Soledad, California · 18459 days ago · 5 km deep · 60 km away
  12. 2.925 km NE of San Lucas, California · 18459 days ago · 7 km deep · 88 km away
  13. 2.510 km NW of Hollister, California · 18459 days ago · 3 km deep · 33 km away
  14. 2.024 km ENE of Soledad, California · 18459 days ago · 5 km deep · 60 km away
  15. 1.527 km ENE of Soledad, California · 18460 days ago · 6 km deep · 54 km away
  16. 2.727 km ENE of Soledad, California · 18460 days ago · 7 km deep · 54 km away
  17. 1.67 km NE of East Foothills, California · 18460 days ago · 9 km deep · 73 km away
  18. 2.224 km NE of Soledad, CA · 18460 days ago · 9 km deep · 49 km away
  19. 2.325 km ENE of Soledad, California · 18460 days ago · 8 km deep · 55 km away
  20. 1.9Central California · 18460 days ago · 4 km deep · 35 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1029145. Read Mon, Sep 28, 2026, 6:32 PM UTC.