California earthquakes

M2.6 earthquake 22 km W of Volta, California

A magnitude 2.6 earthquake struck 22 km W of Volta, California on Mon, Jun 30, 1975, 12:48 AM PDT (07:48 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.0 23 km NE of King City, 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
2.6 (md), micro
Local time
UTC
1975-06-30 07:48:09 UTC
Depth
3.4 km (2.1 mi), shallow
Epicenter
37.102° N, 121.178° 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, 1.1 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
157°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 179 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.018 km SSE of Tres Pinos, California · 18698 days ago · 10 km deep · 53 km away
  2. 2.124 km NNE of King City, California · 18698 days ago · 6 km deep · 79 km away
  3. 2.423 km NE of Soledad, California · 18697 days ago · 9 km deep · 59 km away
  4. 2.214 km E of Seven Trees, California · 18697 days ago · 1 km deep · 49 km away
  5. 3.023 km NE of King City, California · 18697 days ago · 5 km deep · 87 km away
  6. 1.66 km E of Sunol, California · 18697 days ago · 8 km deep · 78 km away
  7. 1.99 km SW of Ridgemark, California · 18696 days ago · 8 km deep · 46 km away
  8. 2.224 km NE of Greenfield, California · 18696 days ago · 0 km deep · 73 km away
  9. 4.18 km NW of Hollister, California · 18696 days ago · 8 km deep · 33 km away
  10. 2.824 km NE of Greenfield, California · 18696 days ago · 0 km deep · 73 km away
  11. 2.49 km ESE of East Foothills, California · 18696 days ago · 2 km deep · 55 km away
  12. 2.09 km NW of Hollister, California · 18696 days ago · 4 km deep · 34 km away
  13. 2.79 km WSW of Ridgemark, California · 18695 days ago · 6 km deep · 45 km away
  14. 2.624 km NE of King City, California · 18695 days ago · 3 km deep · 81 km away
  15. 2.813 km ESE of Alum Rock, California · 18695 days ago · 8 km deep · 51 km away
  16. 3.622 km NNE of Soledad, California · 18694 days ago · 3 km deep · 56 km away
  17. 2.79 km NW of Hollister, California · 18694 days ago · 7 km deep · 32 km away
  18. 2.027 km NE of Soledad, California · 18693 days ago · 7 km deep · 57 km away
  19. 2.87 km WSW of Gilroy, California · 18693 days ago · 4 km deep · 43 km away
  20. 2.49 km NW of Hollister, California · 18692 days ago · 6 km deep · 34 km away
  21. 3.523 km NNE of San Lucas, California · 18692 days ago · 4 km deep · 92 km away
  22. 1.5Central California · 18691 days ago · 4 km deep · 48 km away
  23. 2.06 km SSE of Tres Pinos, California · 18691 days ago · 2 km deep · 41 km away
  24. 2.314 km E of Seven Trees, California · 18691 days ago · 1 km deep · 49 km away
  25. 2.125 km ENE of Greenfield, California · 18690 days ago · 5 km deep · 76 km away
  26. 1.613 km S of Tres Pinos, California · 18690 days ago · 4 km deep · 49 km away
  27. 1.521 km NE of Soledad, California · 18690 days ago · 3 km deep · 59 km away
  28. 2.42 km W of San Juan Bautista, California · 18690 days ago · 6 km deep · 45 km away
  29. 1.85 km NE of Ridgemark, California · 18689 days ago · 6 km deep · 31 km away
  30. 3.35 km SSW of Gilroy, California · 18689 days ago · 5 km deep · 39 km away
  31. 2.725 km NE of Hollister, California · 18689 days ago · 2 km deep · 9 km away
  32. 2.112 km SE of Tres Pinos, California · 18689 days ago · 6 km deep · 43 km away
  33. 2.19 km NE of San Juan Bautista, California · 18689 days ago · 2 km deep · 34 km away
  34. 1.79 km NNE of Milpitas, California · 18689 days ago · 10 km deep · 75 km away
  35. 3.0Central California · 18688 days ago · 4 km deep · 39 km away
  36. 2.827 km SE of Tres Pinos, California · 18688 days ago · 6 km deep · 53 km away
  37. 2.210 km S of Tres Pinos, California · 18688 days ago · 7 km deep · 48 km away
  38. 3.118 km SSE of Tres Pinos, California · 18688 days ago · 6 km deep · 53 km away
  39. 2.218 km SSE of Tres Pinos, California · 18688 days ago · 7 km deep · 53 km away
  40. 2.34 km WSW of Gilroy, California · 18688 days ago · 7 km deep · 41 km away
  41. 2.421 km NE of Soledad, California · 18688 days ago · 6 km deep · 61 km away
  42. 1.58 km S of Livermore, California · 18687 days ago · 7 km deep · 76 km away
  43. 2.823 km ENE of Soledad, California · 18687 days ago · 7 km deep · 69 km away
  44. 2.09 km ENE of Tres Pinos, California · 18687 days ago · 7 km deep · 31 km away
  45. 1.934 km ENE of Soledad, California · 18686 days ago · 5 km deep · 64 km away
  46. 3.118 km SSE of Tres Pinos, California · 18685 days ago · 10 km deep · 53 km away
  47. 1.528 km ESE of Tres Pinos, California · 18685 days ago · 0 km deep · 43 km away
  48. 2.810 km NNW of Hollister, California · 18685 days ago · 2 km deep · 29 km away
  49. 2.323 km NE of King City, California · 18684 days ago · 7 km deep · 82 km away
  50. 2.51 km E of Ridgemark, California · 18684 days ago · 7 km deep · 36 km away
  51. 2.26 km NNE of Interlaken, California · 18683 days ago · 11 km deep · 49 km away
  52. 3.95 km SSE of San Juan Bautista, California · 18683 days ago · 5 km deep · 45 km away
  53. 3.09 km SSW of Tres Pinos, California · 18682 days ago · 3 km deep · 46 km away
  54. 2.97 km ENE of Gilroy, California · 18681 days ago · 7 km deep · 29 km away
  55. 3.53 km WSW of San Juan Bautista, California · 18680 days ago · 7 km deep · 46 km away
  56. 2.28 km NW of Hollister, California · 18679 days ago · 6 km deep · 34 km away
  57. 4.97 km SW of Three Rocks, California · 18679 days ago · 17 km deep · 98 km away
  58. 2.94 km S of Three Rocks, California · 18679 days ago · 12 km deep · 100 km away
  59. 3.63 km S of Three Rocks, California · 18679 days ago · 10 km deep · 99 km away
  60. 4.63 km SSW of Three Rocks, California · 18679 days ago · 11 km deep · 99 km away

The first 60 of 179.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1024594. Read Tue, Sep 22, 2026, 9:29 PM UTC.