California earthquakes

M2.1 earthquake 9 km NW of Volta, California

A magnitude 2.1 earthquake struck 9 km NW of Volta, California on Wed, May 14, 1975, 12:45 AM PDT (07:45 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M4.3 7 km SSE of Gustine, California. This one was a foreshock.

Gustine forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.1 (md), micro
Local time
UTC
1975-05-14 07:45:14 UTC
Depth
2.2 km (1.4 mi), shallow
Epicenter
37.152° N, 121.013° 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 1.2 km horizontally, 7.8 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
201°, poorly surrounded by stations
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 193 in the 60 days after this one and 143 in the 30 days before it.

After

  1. 2.222 km NE of Soledad, California · 18766 days ago · 5 km deep · 68 km away
  2. 2.121 km NE of Soledad, California · 18765 days ago · 6 km deep · 69 km away
  3. 3.04 km ESE of Interlaken, California · 18765 days ago · 12 km deep · 64 km away
  4. 1.79 km NE of San Juan Bautista, California · 18765 days ago · 4 km deep · 49 km away
  5. 2.49 km NW of Hollister, California · 18765 days ago · 4 km deep · 49 km away
  6. 2.921 km NE of Soledad, California · 18765 days ago · 1 km deep · 67 km away
  7. 3.34 km W of San Juan Bautista, California · 18765 days ago · 9 km deep · 61 km away
  8. 4.028 km NE of Soledad, California · 18764 days ago · 11 km deep · 63 km away
  9. 2.627 km NE of Soledad, California · 18764 days ago · 10 km deep · 63 km away
  10. 4.121 km NNE of Soledad, California · 18764 days ago · 9 km deep · 64 km away
  11. 2.410 km ESE of East Foothills, California · 18763 days ago · 8 km deep · 65 km away
  12. 3.010 km ESE of East Foothills, California · 18763 days ago · 8 km deep · 65 km away
  13. 1.827 km NE of Soledad, California · 18763 days ago · 11 km deep · 63 km away
  14. 2.49 km ENE of Morgan Hill, California · 18763 days ago · 5 km deep · 48 km away
  15. 1.721 km SE of Livermore, California · 18763 days ago · 3 km deep · 68 km away
  16. 2.322 km ENE of Soledad, California · 18763 days ago · 8 km deep · 72 km away
  17. 2.527 km NE of Soledad, California · 18762 days ago · 11 km deep · 64 km away
  18. 2.628 km ENE of Soledad, California · 18762 days ago · 11 km deep · 66 km away
  19. 3.324 km ENE of Soledad, California · 18762 days ago · 3 km deep · 73 km away
  20. 2.421 km ESE of Tres Pinos, California · 18762 days ago · 0 km deep · 49 km away
  21. 2.427 km NE of Soledad, California · 18762 days ago · 10 km deep · 63 km away
  22. 2.411 km N of Morgan Hill, California · 18762 days ago · 6 km deep · 58 km away
  23. 1.814 km NE of East Foothills, California · 18761 days ago · 7 km deep · 73 km away
  24. 3.17 km SSE of Gustine, California · 18761 days ago · 0 km deep · 7 km away
  25. 2.116 km E of Seven Trees, California · 18761 days ago · 6 km deep · 59 km away
  26. 1.816 km SSE of Tres Pinos, California · 18760 days ago · 5 km deep · 60 km away
  27. 1.727 km ENE of Soledad, California · 18760 days ago · 8 km deep · 66 km away
  28. 2.97 km NNE of Interlaken, California · 18760 days ago · 10 km deep · 64 km away
  29. 3.06 km NE of Hollister, California · 18760 days ago · 4 km deep · 42 km away
  30. 2.411 km E of Gilroy, California · 18759 days ago · 4 km deep · 42 km away
  31. 2.45 km S of Gilroy, California · 18759 days ago · 6 km deep · 54 km away
  32. 3.58 km NE of San Juan Bautista, California · 18758 days ago · 5 km deep · 49 km away
  33. 1.88 km NW of Hollister, California · 18758 days ago · 3 km deep · 49 km away
  34. 3.921 km NNE of Soledad, California · 18758 days ago · 7 km deep · 65 km away
  35. 2.010 km ESE of Gilroy, California · 18757 days ago · 3 km deep · 44 km away
  36. 3.314 km SSE of Tres Pinos, California · 18757 days ago · 3 km deep · 59 km away
  37. 1.79 km SW of San Martin, California · 18757 days ago · 8 km deep · 60 km away
  38. 1.54 km SSE of Sunol, California · 18757 days ago · 14 km deep · 88 km away
  39. 1.76 km S of Sunol, California · 18757 days ago · 6 km deep · 88 km away
  40. 2.716 km SE of Tres Pinos, California · 18757 days ago · 11 km deep · 51 km away
  41. 1.921 km NE of Soledad, California · 18756 days ago · 8 km deep · 68 km away
  42. 3.321 km NE of Soledad, California · 18756 days ago · 6 km deep · 68 km away
  43. 2.624 km NE of Greenfield, California · 18756 days ago · 5 km deep · 77 km away
  44. 2.39 km NW of Hollister, California · 18755 days ago · 3 km deep · 47 km away
  45. 4.37 km SSE of Gustine, California · 18755 days ago · 1 km deep · 6 km away
  46. 2.57 km S of Livermore, California · 18755 days ago · 8 km deep · 85 km away
  47. 3.021 km NE of Soledad, California · 18754 days ago · 2 km deep · 67 km away
  48. 2.719 km SSW of Los Banos, California · 18754 days ago · 2 km deep · 30 km away
  49. 3.29 km NW of Hollister, California · 18754 days ago · 6 km deep · 49 km away
  50. 2.49 km NW of Hollister, California · 18754 days ago · 4 km deep · 49 km away
  51. 3.78 km SSW of Tres Pinos, California · 18754 days ago · 3 km deep · 57 km away
  52. 2.39 km NE of San Juan Bautista, California · 18753 days ago · 3 km deep · 49 km away
  53. 1.525 km SE of Tres Pinos, California · 18753 days ago · 7 km deep · 61 km away
  54. 3.65 km SSW of Gilroy, California · 18753 days ago · 7 km deep · 56 km away
  55. 2.25 km SSW of Gilroy, California · 18752 days ago · 7 km deep · 56 km away
  56. 1.77 km NE of Interlaken, California · 18752 days ago · 2 km deep · 61 km away
  57. 2.736 km NE of San Lucas, California · 18752 days ago · 9 km deep · 87 km away
  58. 1.815 km SSE of Tres Pinos, California · 18751 days ago · 5 km deep · 59 km away
  59. 3.624 km NE of Greenfield, California · 18751 days ago · 7 km deep · 75 km away
  60. 3.021 km NE of Soledad, California · 18751 days ago · 2 km deep · 67 km away

The first 60 of 193.

Before

  1. 2.330 km ENE of Soledad, California · 18766 days ago · 6 km deep · 64 km away
  2. 2.630 km ENE of Soledad, California · 18766 days ago · 7 km deep · 65 km away
  3. 1.923 km ENE of Soledad, California · 18767 days ago · 3 km deep · 72 km away
  4. 1.618 km NE of East Foothills, California · 18767 days ago · 7 km deep · 70 km away
  5. 2.523 km ENE of Soledad, California · 18767 days ago · 4 km deep · 72 km away
  6. 2.17 km S of Sunol, California · 18767 days ago · 8 km deep · 88 km away
  7. 2.64 km E of East Foothills, California · 18768 days ago · 3 km deep · 71 km away
  8. 2.115 km SE of Tres Pinos, California · 18768 days ago · 8 km deep · 51 km away
  9. 2.323 km SSE of Tres Pinos, California · 18768 days ago · 7 km deep · 62 km away
  10. 2.524 km ENE of Soledad, California · 18768 days ago · 3 km deep · 73 km away
  11. 1.96 km NE of East Foothills, California · 18768 days ago · 6 km deep · 73 km away
  12. 3.923 km NE of Soledad, California · 18768 days ago · 9 km deep · 66 km away
  13. 2.916 km SSE of Tres Pinos, California · 18769 days ago · 4 km deep · 60 km away
  14. 2.410 km S of Tres Pinos, California · 18769 days ago · 4 km deep · 58 km away
  15. 2.823 km NE of Greenfield, California · 18769 days ago · 2 km deep · 76 km away
  16. 3.45 km S of Gilroy, California · 18769 days ago · 7 km deep · 54 km away
  17. 2.29 km NW of Hollister, California · 18769 days ago · 5 km deep · 49 km away
  18. 2.37 km WSW of Ridgemark, California · 18769 days ago · 6 km deep · 56 km away
  19. 2.334 km NE of San Lucas, California · 18770 days ago · 10 km deep · 96 km away
  20. 1.821 km ENE of East Foothills, California · 18770 days ago · 6 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1023866. Read Tue, Sep 29, 2026, 7:24 AM UTC.