California earthquakes

M1.6 earthquake 19 km W of Volta, California

A magnitude 1.6 earthquake struck 19 km W of Volta, California on Wed, Oct 24, 1979, 12:22 PM PDT (19:22 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M2.6 8 km ENE of Morgan Hill, 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
1.6 (md), micro
Local time
UTC
1979-10-24 19:22:29 UTC
Depth
4.0 km (2.5 mi), shallow
Epicenter
37.106° N, 121.144° 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 3.7 km horizontally, 7.2 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
242°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 181 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.53 km S of Fairview, California · 17126 days ago · 3 km deep · 99 km away
  2. 1.621 km NE of Soledad, California · 17126 days ago · 2 km deep · 63 km away
  3. 2.68 km ENE of Morgan Hill, California · 17126 days ago · 3 km deep · 38 km away
  4. 2.19 km ENE of Gilroy, California · 17125 days ago · 8 km deep · 30 km away
  5. 1.724 km NE of Greenfield, California · 17125 days ago · 1 km deep · 71 km away
  6. 1.59 km NE of Gilroy, California · 17124 days ago · 6 km deep · 32 km away
  7. 1.98 km NE of Gilroy, California · 17124 days ago · 7 km deep · 32 km away
  8. 1.529 km SE of Tres Pinos, California · 17124 days ago · 10 km deep · 55 km away
  9. 1.610 km E of Gilroy, California · 17124 days ago · 8 km deep · 30 km away
  10. 1.811 km ESE of Livermore, California · 17124 days ago · 8 km deep · 73 km away
  11. 1.87 km E of East Foothills, California · 17123 days ago · 8 km deep · 61 km away
  12. 1.69 km ENE of Gilroy, California · 17123 days ago · 8 km deep · 30 km away
  13. 2.111 km ESE of Sunol, California · 17123 days ago · 8 km deep · 74 km away
  14. 1.88 km ENE of Gilroy, California · 17123 days ago · 5 km deep · 31 km away
  15. 2.14 km SW of Gilroy, California · 17122 days ago · 1 km deep · 43 km away
  16. 2.124 km ENE of Greenfield, California · 17122 days ago · 5 km deep · 79 km away
  17. 1.922 km NNE of Soledad, California · 17122 days ago · 1 km deep · 57 km away
  18. 1.62 km N of Hollister, California · 17122 days ago · 8 km deep · 34 km away
  19. 2.32 km WNW of San Martin, California · 17122 days ago · 1 km deep · 44 km away
  20. 2.39 km N of Hollister, California · 17122 days ago · 8 km deep · 30 km away
  21. 2.43 km ESE of Lexington Hills, California · 17120 days ago · 13 km deep · 71 km away
  22. 2.28 km ENE of San Martin, California · 17120 days ago · 6 km deep · 33 km away
  23. 2.022 km NE of Soledad, California · 17120 days ago · 8 km deep · 62 km away
  24. 1.522 km ENE of Soledad, California · 17120 days ago · 2 km deep · 63 km away
  25. 3.02 km SW of San Juan Bautista, California · 17120 days ago · 5 km deep · 48 km away
  26. 2.02 km SW of San Juan Bautista, California · 17119 days ago · 6 km deep · 48 km away
  27. 1.77 km NE of Gilroy, California · 17119 days ago · 5 km deep · 32 km away
  28. 1.723 km NNE of San Lucas, California · 17119 days ago · 4 km deep · 91 km away
  29. 1.98 km SSW of Tres Pinos, California · 17119 days ago · 3 km deep · 47 km away
  30. 1.98 km SSW of Tres Pinos, California · 17119 days ago · 3 km deep · 47 km away
  31. 1.88 km E of Gilroy, California · 17119 days ago · 6 km deep · 31 km away
  32. 1.623 km NNE of San Lucas, California · 17118 days ago · 6 km deep · 91 km away
  33. 2.121 km E of East Foothills, California · 17118 days ago · 3 km deep · 47 km away
  34. 1.68 km NE of San Martin, California · 17118 days ago · 8 km deep · 34 km away
  35. 2.241 km W of Three Rocks, California · 17118 days ago · 3 km deep · 66 km away
  36. 2.521 km NNE of Soledad, California · 17117 days ago · 8 km deep · 57 km away
  37. 1.822 km NE of Hollister, California · 17116 days ago · 4 km deep · 14 km away
  38. 1.813 km N of Morgan Hill, California · 17116 days ago · 4 km deep · 46 km away
  39. 1.60 km NNW of Hollister, California · 17116 days ago · 3 km deep · 36 km away
  40. 2.521 km NE of Soledad, California · 17116 days ago · 3 km deep · 62 km away
  41. 2.55 km SW of Tres Pinos, California · 17115 days ago · 8 km deep · 44 km away
  42. 3.19 km NE of San Juan Bautista, California · 17115 days ago · 6 km deep · 36 km away
  43. 1.923 km ENE of Soledad, California · 17115 days ago · 1 km deep · 64 km away
  44. 3.65 km ENE of Chowchilla, California · 17114 days ago · 33 km deep · 84 km away
  45. 2.95 km SSW of Gilroy, California · 17114 days ago · 3 km deep · 43 km away
  46. 1.73 km E of Cambrian Park, California · 17114 days ago · 4 km deep · 68 km away
  47. 2.49 km ENE of Gilroy, California · 17113 days ago · 9 km deep · 30 km away
  48. 2.04 km NNE of East Foothills, California · 17113 days ago · 1 km deep · 67 km away
  49. 2.024 km NE of King City, California · 17113 days ago · 1 km deep · 81 km away
  50. 3.316 km ENE of East Foothills, California · 17113 days ago · 5 km deep · 56 km away
  51. 2.49 km NE of San Juan Bautista, California · 17112 days ago · 6 km deep · 36 km away
  52. 1.85 km SSE of San Juan Bautista, California · 17112 days ago · 7 km deep · 47 km away
  53. 1.711 km ENE of San Martin, California · 17112 days ago · 4 km deep · 32 km away
  54. 1.713 km NNE of Day Valley, California · 17112 days ago · 3 km deep · 60 km away
  55. 1.78 km N of Hollister, California · 17112 days ago · 8 km deep · 30 km away
  56. 2.512 km ESE of Gilroy, California · 17111 days ago · 8 km deep · 29 km away
  57. 2.112 km ESE of Gilroy, California · 17111 days ago · 5 km deep · 30 km away
  58. 2.27 km E of Gilroy, California · 17111 days ago · 5 km deep · 32 km away
  59. 2.15 km ENE of Hollister, California · 17111 days ago · 7 km deep · 31 km away
  60. 1.75 km E of East Foothills, California · 17111 days ago · 2 km deep · 62 km away

The first 60 of 181.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1048474. Read Tue, Sep 22, 2026, 9:36 AM UTC.