California earthquakes

M2.4 earthquake 18 km SW of Volta, California

A magnitude 2.4 earthquake struck 18 km SW of Volta, California on Tue, Feb 4, 1975, 12:51 AM PST (08:51 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M4.2 10 km NNW of Hollister, 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
2.4 (md), micro
Local time
UTC
1975-02-04 08:51:09 UTC
Depth
1.6 km (1.0 mi), shallow
Epicenter
36.974° N, 121.066° 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, 1.8 km in depth
Magnitude uncertainty
±0.54
Depth from
From location
Station coverage gap
134°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 189 in the 60 days after this one and 108 in the 30 days before it.

After

  1. 2.98 km NE of Interlaken, California · 18865 days ago · 10 km deep · 53 km away
  2. 3.325 km NE of Soledad, California · 18865 days ago · 10 km deep · 45 km away
  3. 1.93 km SE of Tres Pinos, California · 18865 days ago · 8 km deep · 30 km away
  4. 2.710 km NNW of Hollister, California · 18865 days ago · 2 km deep · 36 km away
  5. 2.826 km NE of Soledad, California · 18865 days ago · 8 km deep · 44 km away
  6. 2.922 km ENE of Soledad, California · 18864 days ago · 5 km deep · 52 km away
  7. 3.424 km NE of Greenfield, California · 18864 days ago · 5 km deep · 56 km away
  8. 2.011 km SE of Sunol, California · 18864 days ago · 6 km deep · 89 km away
  9. 2.224 km ENE of Greenfield, California · 18864 days ago · 6 km deep · 63 km away
  10. 2.47 km E of East Foothills, California · 18864 days ago · 7 km deep · 75 km away
  11. 2.011 km S of Tres Pinos, California · 18864 days ago · 3 km deep · 39 km away
  12. 3.98 km NW of Hollister, California · 18863 days ago · 6 km deep · 37 km away
  13. 4.05 km WNW of San Juan Bautista, California · 18863 days ago · 7 km deep · 49 km away
  14. 2.723 km ENE of Soledad, California · 18863 days ago · 6 km deep · 54 km away
  15. 2.79 km NW of Hollister, California · 18863 days ago · 6 km deep · 37 km away
  16. 3.18 km NW of Hollister, California · 18863 days ago · 7 km deep · 37 km away
  17. 2.99 km NE of San Juan Bautista, California · 18863 days ago · 8 km deep · 37 km away
  18. 2.69 km NE of San Juan Bautista, California · 18863 days ago · 6 km deep · 37 km away
  19. 1.618 km SSE of Tres Pinos, California · 18863 days ago · 8 km deep · 41 km away
  20. 2.79 km NW of Hollister, California · 18863 days ago · 5 km deep · 36 km away
  21. 3.524 km NE of Greenfield, California · 18863 days ago · 6 km deep · 57 km away
  22. 1.723 km ENE of San Lucas, California · 18863 days ago · 8 km deep · 88 km away
  23. 2.25 km SW of Gilroy, California · 18862 days ago · 4 km deep · 49 km away
  24. 2.727 km NE of Soledad, California · 18862 days ago · 7 km deep · 41 km away
  25. 1.910 km S of Tres Pinos, California · 18862 days ago · 9 km deep · 40 km away
  26. 2.79 km ENE of Morgan Hill, California · 18862 days ago · 6 km deep · 48 km away
  27. 2.926 km NE of King City, California · 18861 days ago · 2 km deep · 66 km away
  28. 3.79 km NW of Hollister, California · 18860 days ago · 4 km deep · 37 km away
  29. 2.29 km NNW of Hollister, California · 18860 days ago · 3 km deep · 35 km away
  30. 2.38 km NE of San Juan Bautista, California · 18860 days ago · 7 km deep · 37 km away
  31. 2.523 km ENE of Soledad, California · 18859 days ago · 3 km deep · 52 km away
  32. 3.021 km NE of Soledad, California · 18859 days ago · 4 km deep · 47 km away
  33. 1.820 km NW of Diablo Grande, California · 18858 days ago · 2 km deep · 70 km away
  34. 2.49 km NW of Hollister, California · 18858 days ago · 3 km deep · 36 km away
  35. 2.321 km NE of Soledad, California · 18857 days ago · 5 km deep · 45 km away
  36. 2.324 km NE of Greenfield, California · 18857 days ago · 8 km deep · 56 km away
  37. 2.55 km SE of Tres Pinos, California · 18857 days ago · 8 km deep · 30 km away
  38. 2.928 km NE of Soledad, California · 18857 days ago · 9 km deep · 43 km away
  39. 2.812 km S of Tres Pinos, California · 18857 days ago · 4 km deep · 39 km away
  40. 2.421 km NE of Soledad, California · 18857 days ago · 6 km deep · 46 km away
  41. 2.49 km NW of Hollister, California · 18857 days ago · 6 km deep · 36 km away
  42. 2.98 km NE of San Juan Bautista, California · 18857 days ago · 5 km deep · 38 km away
  43. 3.08 km NW of Hollister, California · 18857 days ago · 5 km deep · 36 km away
  44. 2.824 km ENE of Greenfield, California · 18856 days ago · 5 km deep · 63 km away
  45. 2.219 km NE of Soledad, California · 18856 days ago · 2 km deep · 49 km away
  46. 1.623 km ENE of East Foothills, California · 18856 days ago · 1 km deep · 70 km away
  47. 2.522 km ENE of Soledad, California · 18856 days ago · 4 km deep · 51 km away
  48. 2.731 km ENE of Soledad, California · 18855 days ago · 8 km deep · 45 km away
  49. 3.12 km SW of San Juan Bautista, California · 18855 days ago · 6 km deep · 47 km away
  50. 1.922 km ENE of Soledad, California · 18854 days ago · 2 km deep · 50 km away
  51. 3.222 km ENE of Soledad, California · 18854 days ago · 4 km deep · 51 km away
  52. 2.89 km NW of Hollister, California · 18854 days ago · 5 km deep · 37 km away
  53. 1.816 km E of Seven Trees, California · 18854 days ago · 6 km deep · 63 km away
  54. 2.224 km ENE of Soledad, California · 18854 days ago · 3 km deep · 53 km away
  55. 2.55 km WSW of Gilroy, California · 18853 days ago · 7 km deep · 50 km away
  56. 2.54 km WNW of San Juan Bautista, California · 18853 days ago · 5 km deep · 48 km away
  57. 1.519 km SSE of Livermore, California · 18853 days ago · 5 km deep · 81 km away
  58. 2.121 km NE of Soledad, California · 18853 days ago · 8 km deep · 48 km away
  59. 2.922 km ENE of Soledad, California · 18853 days ago · 4 km deep · 52 km away
  60. 2.48 km NW of Hollister, California · 18853 days ago · 5 km deep · 37 km away

The first 60 of 189.

Before

  1. 2.99 km NE of San Juan Bautista, California · 18866 days ago · 6 km deep · 37 km away
  2. 2.624 km NE of Greenfield, California · 18866 days ago · 4 km deep · 55 km away
  3. 3.422 km NNE of Soledad, California · 18867 days ago · 4 km deep · 44 km away
  4. 3.124 km NE of Greenfield, California · 18867 days ago · 4 km deep · 56 km away
  5. 2.78 km NW of Hollister, California · 18867 days ago · 6 km deep · 37 km away
  6. 1.710 km S of Tres Pinos, California · 18869 days ago · 16 km deep · 39 km away
  7. 2.522 km NNE of Soledad, California · 18870 days ago · 6 km deep · 44 km away
  8. 2.225 km ENE of Greenfield, California · 18870 days ago · 1 km deep · 59 km away
  9. 2.124 km NE of Greenfield, California · 18870 days ago · 3 km deep · 56 km away
  10. 2.530 km ENE of Soledad, California · 18870 days ago · 8 km deep · 45 km away
  11. 2.09 km NE of San Juan Bautista, California · 18871 days ago · 3 km deep · 37 km away
  12. 2.08 km NE of San Juan Bautista, California · 18871 days ago · 5 km deep · 38 km away
  13. 2.69 km NNW of Hollister, California · 18871 days ago · 2 km deep · 35 km away
  14. 2.09 km NW of Hollister, California · 18872 days ago · 5 km deep · 37 km away
  15. 1.617 km ESE of Livermore, California · 18872 days ago · 7 km deep · 84 km away
  16. 2.68 km NW of Hollister, California · 18872 days ago · 5 km deep · 36 km away
  17. 3.13 km W of San Juan Bautista, California · 18872 days ago · 4 km deep · 47 km away
  18. 3.08 km NE of San Juan Bautista, California · 18872 days ago · 5 km deep · 37 km away
  19. 3.09 km NW of Hollister, California · 18872 days ago · 3 km deep · 36 km away
  20. 1.84 km NNW of Aromas, California · 18872 days ago · 10 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1022748. Read Wed, Sep 30, 2026, 7:41 AM UTC.