California earthquakes

M2.3 earthquake 17 km W of Volta, California

A magnitude 2.3 earthquake struck 17 km W of Volta, California on Tue, Nov 29, 1983, 1:23 PM PST (21:23 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.1 2 km SSW of Ridgemark, 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
1983-11-29 21:23:26 UTC
Depth
0.1 km (0.0 mi), shallow
Epicenter
37.123° N, 121.118° 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 0.8 km horizontally, 11.3 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
173°
Stations used
47

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 115 in the 60 days after this one and 43 in the 30 days before it.

After

  1. 1.715 km E of Seven Trees, California · 15638 days ago · 2 km deep · 52 km away
  2. 1.62 km WSW of San Juan Bautista, California · 15636 days ago · 5 km deep · 51 km away
  3. 1.98 km NE of San Martin, California · 15636 days ago · 8 km deep · 37 km away
  4. 1.79 km SSW of Tres Pinos, California · 15635 days ago · 3 km deep · 50 km away
  5. 3.12 km SSW of Ridgemark, California · 15634 days ago · 3 km deep · 43 km away
  6. 1.612 km NW of Diablo Grande, California · 15632 days ago · 3 km deep · 46 km away
  7. 1.630 km NE of King City, California · 15632 days ago · 7 km deep · 81 km away
  8. 3.029 km ENE of Soledad, California · 15631 days ago · 5 km deep · 66 km away
  9. 1.822 km WNW of Diablo Grande, California · 15631 days ago · 5 km deep · 51 km away
  10. 3.1Central California · 15631 days ago · 5 km deep · 65 km away
  11. 1.96 km SSW of Fairmead, California · 15630 days ago · 6 km deep · 80 km away
  12. 2.611 km S of Tres Pinos, California · 15629 days ago · 5 km deep · 51 km away
  13. 2.99 km ESE of East Foothills, California · 15628 days ago · 7 km deep · 59 km away
  14. 2.410 km ESE of East Foothills, California · 15628 days ago · 8 km deep · 58 km away
  15. 2.310 km S of Tres Pinos, California · 15627 days ago · 4 km deep · 51 km away
  16. 1.910 km S of Tres Pinos, California · 15627 days ago · 5 km deep · 51 km away
  17. 2.110 km S of Tres Pinos, California · 15627 days ago · 5 km deep · 51 km away
  18. 2.010 km SSE of Livermore, California · 15627 days ago · 5 km deep · 75 km away
  19. 2.721 km SSE of Tres Pinos, California · 15626 days ago · 6 km deep · 57 km away
  20. 1.921 km SSE of Tres Pinos, California · 15626 days ago · 5 km deep · 57 km away
  21. 2.16 km E of East Foothills, California · 15625 days ago · 6 km deep · 63 km away
  22. 3.41 km ENE of Ridgemark, California · 15624 days ago · 5 km deep · 40 km away
  23. 2.02 km S of San Juan Bautista, California · 15624 days ago · 6 km deep · 51 km away
  24. 2.72 km S of San Juan Bautista, California · 15623 days ago · 6 km deep · 50 km away
  25. 1.721 km NE of Soledad, California · 15623 days ago · 4 km deep · 65 km away
  26. 2.121 km NE of Soledad, California · 15623 days ago · 6 km deep · 64 km away
  27. 2.4Central California · 15623 days ago · 7 km deep · 73 km away
  28. 2.424 km ENE of Soledad, California · 15621 days ago · 2 km deep · 70 km away
  29. 3.28 km ENE of Gilroy, California · 15621 days ago · 8 km deep · 33 km away
  30. 1.87 km WSW of Gilroy, California · 15620 days ago · 4 km deep · 49 km away
  31. 2.036 km SSW of South Dos Palos, California · 15620 days ago · 6 km deep · 56 km away
  32. 1.636 km SSW of South Dos Palos, California · 15620 days ago · 4 km deep · 56 km away
  33. 1.53 km ESE of Aromas, California · 15618 days ago · 6 km deep · 51 km away
  34. 1.95 km SSE of San Juan Bautista, California · 15617 days ago · 5 km deep · 50 km away
  35. 2.55 km SSE of San Juan Bautista, California · 15617 days ago · 5 km deep · 50 km away
  36. 1.924 km NE of Greenfield, California · 15616 days ago · 5 km deep · 74 km away
  37. 1.66 km ESE of Discovery Bay, California · 15615 days ago · 11 km deep · 93 km away
  38. 2.02 km ESE of Tres Pinos, California · 15615 days ago · 9 km deep · 41 km away
  39. 2.128 km E of Tres Pinos, California · 15614 days ago · 1 km deep · 41 km away
  40. 1.824 km ENE of Soledad, California · 15614 days ago · 3 km deep · 70 km away
  41. 1.88 km SE of San Juan Bautista, California · 15614 days ago · 4 km deep · 50 km away
  42. 1.73 km NNE of Interlaken, California · 15613 days ago · 11 km deep · 56 km away
  43. 1.511 km WSW of Byron, California · 15613 days ago · 19 km deep · 97 km away
  44. 1.72 km NNE of Union City, California · 15613 days ago · 4 km deep · 96 km away
  45. 2.023 km ENE of Soledad, California · 15612 days ago · 4 km deep · 69 km away
  46. 2.19 km NE of Gilroy, California · 15611 days ago · 8 km deep · 34 km away
  47. 2.29 km NE of Gilroy, California · 15610 days ago · 8 km deep · 33 km away
  48. 1.924 km NE of Greenfield, California · 15610 days ago · 2 km deep · 72 km away
  49. 2.724 km NE of Greenfield, California · 15610 days ago · 3 km deep · 72 km away
  50. 1.74 km SSW of Hollister, California · 15609 days ago · 6 km deep · 43 km away
  51. 1.921 km NE of Soledad, California · 15609 days ago · 4 km deep · 64 km away
  52. 2.721 km NE of Soledad, California · 15609 days ago · 5 km deep · 64 km away
  53. 2.216 km N of Morgan Hill, California · 15607 days ago · 5 km deep · 50 km away
  54. 1.634 km NE of San Lucas, California · 15607 days ago · 8 km deep · 96 km away
  55. 2.324 km ENE of Greenfield, California · 15607 days ago · 6 km deep · 79 km away
  56. 2.114 km SSE of Tres Pinos, California · 15606 days ago · 5 km deep · 53 km away
  57. 1.520 km SSW of Los Banos, California · 15606 days ago · 2 km deep · 33 km away
  58. 3.09 km NE of Gilroy, California · 15605 days ago · 6 km deep · 34 km away
  59. 2.522 km NNE of Soledad, California · 15604 days ago · 7 km deep · 59 km away
  60. 2.61 km WNW of Hollister, California · 15603 days ago · 5 km deep · 39 km away

The first 60 of 115.

Before

  1. 1.67 km SSE of Gilroy, California · 15639 days ago · 5 km deep · 42 km away
  2. 2.57 km SSE of Gilroy, California · 15639 days ago · 4 km deep · 42 km away
  3. 1.621 km NE of Soledad, California · 15640 days ago · 5 km deep · 62 km away
  4. 1.722 km NE of Morgan Hill, California · 15640 days ago · 2 km deep · 36 km away
  5. 2.421 km NE of Soledad, California · 15641 days ago · 5 km deep · 62 km away
  6. 2.821 km NE of Soledad, California · 15641 days ago · 6 km deep · 61 km away
  7. 2.05 km SSE of San Juan Bautista, California · 15641 days ago · 5 km deep · 50 km away
  8. 2.15 km NE of San Martin, California · 15644 days ago · 3 km deep · 40 km away
  9. 2.35 km NE of San Martin, California · 15644 days ago · 3 km deep · 40 km away
  10. 1.75 km NE of San Martin, California · 15644 days ago · 3 km deep · 40 km away
  11. 2.16 km WSW of Gilroy, California · 15645 days ago · 4 km deep · 49 km away
  12. 2.925 km ENE of Greenfield, California · 15646 days ago · 4 km deep · 79 km away
  13. 2.331 km ENE of Soledad, California · 15647 days ago · 7 km deep · 61 km away
  14. 1.927 km ENE of Soledad, California · 15648 days ago · 8 km deep · 66 km away
  15. 1.924 km NE of Greenfield, California · 15648 days ago · 5 km deep · 72 km away
  16. 2.128 km NE of Greenfield, California · 15648 days ago · 6 km deep · 69 km away
  17. 1.533 km W of Three Rocks, California · 15648 days ago · 11 km deep · 71 km away
  18. 3.05 km SW of Dublin, California · 15648 days ago · 11 km deep · 98 km away
  19. 1.725 km NE of King City, California · 15649 days ago · 1 km deep · 82 km away
  20. 1.612 km ENE of Hollister, California · 15650 days ago · 5 km deep · 27 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1107709. Read Tue, Sep 22, 2026, 11:28 PM UTC.