California earthquakes

M2.9 earthquake 21 km SSW of Volta, California

A magnitude 2.9 earthquake struck 21 km SSW of Volta, California on Wed, Jan 30, 1974, 4:46 AM PDT (11:46 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M4.3 8 km SW of Tres Pinos, 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
2.9 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1974-01-30 11:46:47 UTC
Depth
1.8 km (1.1 mi), shallow
Epicenter
36.918° N, 121.019° 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, 1.0 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
203°, poorly surrounded by stations
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 197 in the 60 days after this one and 179 in the 30 days before it.

After

  1. 2.714 km SSE of Tres Pinos, California · 19238 days ago · 5 km deep · 36 km away
  2. 1.521 km SSE of Tres Pinos, California · 19238 days ago · 5 km deep · 38 km away
  3. 2.022 km SSE of Tres Pinos, California · 19238 days ago · 2 km deep · 38 km away
  4. 2.32 km ENE of Tres Pinos, California · 19238 days ago · 6 km deep · 28 km away
  5. 1.75 km SSW of Gilroy, California · 19238 days ago · 5 km deep · 50 km away
  6. 2.44 km S of Gilroy, California · 19238 days ago · 6 km deep · 50 km away
  7. 1.828 km NE of Soledad, California · 19238 days ago · 9 km deep · 38 km away
  8. 3.55 km SSE of San Juan Bautista, California · 19237 days ago · 8 km deep · 47 km away
  9. 2.24 km SSE of San Juan Bautista, California · 19237 days ago · 7 km deep · 46 km away
  10. 3.22 km WSW of Hollister, California · 19237 days ago · 5 km deep · 38 km away
  11. 2.416 km SSE of Tres Pinos, California · 19237 days ago · 8 km deep · 37 km away
  12. 2.34 km S of San Juan Bautista, California · 19237 days ago · 7 km deep · 47 km away
  13. 2.024 km NE of Greenfield, California · 19236 days ago · 5 km deep · 49 km away
  14. 2.09 km ENE of Gilroy, California · 19236 days ago · 8 km deep · 42 km away
  15. 1.65 km SSE of San Juan Bautista, California · 19236 days ago · 5 km deep · 45 km away
  16. 1.86 km SE of Tres Pinos, California · 19236 days ago · 10 km deep · 28 km away
  17. 1.75 km WSW of Ridgemark, California · 19236 days ago · 8 km deep · 39 km away
  18. 3.024 km NE of Greenfield, California · 19235 days ago · 6 km deep · 50 km away
  19. 3.015 km SW of Volta, California · 19235 days ago · 1 km deep · 11 km away
  20. 1.96 km SW of Gilroy, California · 19235 days ago · 3 km deep · 55 km away
  21. 2.55 km WSW of Gilroy, California · 19235 days ago · 1 km deep · 54 km away
  22. 1.89 km NE of San Martin, California · 19235 days ago · 8 km deep · 52 km away
  23. 2.721 km NE of Soledad, California · 19235 days ago · 6 km deep · 43 km away
  24. 3.313 km ESE of East Foothills, California · 19235 days ago · 7 km deep · 74 km away
  25. 2.426 km NE of Greenfield, California · 19235 days ago · 8 km deep · 51 km away
  26. 1.618 km SSE of Tres Pinos, California · 19235 days ago · 4 km deep · 38 km away
  27. 2.123 km ENE of Soledad, California · 19234 days ago · 4 km deep · 46 km away
  28. 1.921 km NE of Soledad, California · 19234 days ago · 6 km deep · 43 km away
  29. 2.15 km WNW of San Juan Bautista, California · 19234 days ago · 6 km deep · 51 km away
  30. 3.54 km NE of Tres Pinos, California · 19234 days ago · 8 km deep · 26 km away
  31. 3.422 km NE of San Ardo, California · 19234 days ago · 3 km deep · 84 km away
  32. 3.321 km NE of Soledad, California · 19233 days ago · 6 km deep · 41 km away
  33. 1.621 km NE of Soledad, California · 19233 days ago · 6 km deep · 41 km away
  34. 1.910 km ENE of Hollister, California · 19233 days ago · 5 km deep · 25 km away
  35. 2.921 km NE of Soledad, California · 19233 days ago · 6 km deep · 42 km away
  36. 2.627 km NE of Greenfield, California · 19233 days ago · 4 km deep · 47 km away
  37. 2.125 km ENE of Soledad, California · 19233 days ago · 9 km deep · 43 km away
  38. 2.816 km SSE of Tres Pinos, California · 19232 days ago · 8 km deep · 36 km away
  39. 2.521 km NE of Soledad, California · 19232 days ago · 6 km deep · 42 km away
  40. 3.724 km NE of Greenfield, California · 19231 days ago · 6 km deep · 50 km away
  41. 1.73 km SSE of Day Valley, California · 19231 days ago · 13 km deep · 74 km away
  42. 3.022 km NE of Soledad, California · 19231 days ago · 4 km deep · 39 km away
  43. 3.433 km ENE of San Lucas, California · 19231 days ago · 9 km deep · 77 km away
  44. 1.85 km S of Gilroy, California · 19231 days ago · 5 km deep · 50 km away
  45. 2.023 km NE of King City, California · 19231 days ago · 3 km deep · 65 km away
  46. 2.423 km NE of Soledad, California · 19231 days ago · 8 km deep · 40 km away
  47. 2.85 km S of Gilroy, California · 19231 days ago · 6 km deep · 50 km away
  48. 1.62 km N of Hollister, California · 19231 days ago · 8 km deep · 34 km away
  49. 3.76 km SSE of Gilroy, California · 19230 days ago · 4 km deep · 47 km away
  50. 2.21 km ESE of Tres Pinos, California · 19230 days ago · 5 km deep · 29 km away
  51. 2.924 km NE of Greenfield, California · 19230 days ago · 5 km deep · 50 km away
  52. 2.323 km NE of King City, California · 19230 days ago · 3 km deep · 63 km away
  53. 2.06 km WSW of Gilroy, California · 19230 days ago · 4 km deep · 54 km away
  54. 2.45 km SSW of Gilroy, California · 19230 days ago · 6 km deep · 51 km away
  55. 2.522 km NE of San Lucas, California · 19230 days ago · 4 km deep · 71 km away
  56. 2.322 km NE of San Lucas, California · 19230 days ago · 5 km deep · 71 km away
  57. 3.37 km E of East Foothills, California · 19230 days ago · 9 km deep · 82 km away
  58. 1.721 km NE of Soledad, California · 19229 days ago · 6 km deep · 40 km away
  59. 2.521 km NE of Soledad, California · 19229 days ago · 5 km deep · 41 km away
  60. 3.124 km NE of Soledad, California · 19229 days ago · 9 km deep · 39 km away

The first 60 of 197.

Before

  1. 1.818 km SSE of Tres Pinos, California · 19239 days ago · 6 km deep · 37 km away
  2. 1.84 km E of Interlaken, California · 19239 days ago · 9 km deep · 60 km away
  3. 3.624 km NE of Greenfield, California · 19239 days ago · 5 km deep · 50 km away
  4. 2.124 km NE of Greenfield, California · 19239 days ago · 5 km deep · 50 km away
  5. 1.74 km SSW of Gilroy, California · 19239 days ago · 6 km deep · 50 km away
  6. 2.04 km SSW of Gilroy, California · 19240 days ago · 5 km deep · 50 km away
  7. 2.15 km SSW of Gilroy, California · 19240 days ago · 6 km deep · 51 km away
  8. 2.122 km ENE of San Lucas, California · 19240 days ago · 7 km deep · 79 km away
  9. 2.321 km SE of Tres Pinos, California · 19240 days ago · 9 km deep · 31 km away
  10. 2.524 km NE of Greenfield, California · 19240 days ago · 6 km deep · 50 km away
  11. 2.113 km SSW of La Selva Beach, California · 19240 days ago · 6 km deep · 83 km away
  12. 1.924 km NE of Greenfield, California · 19241 days ago · 6 km deep · 50 km away
  13. 3.323 km NE of Greenfield, California · 19241 days ago · 6 km deep · 50 km away
  14. 1.922 km NE of Soledad, California · 19241 days ago · -1 km deep · 42 km away
  15. 1.84 km E of San Juan Bautista, California · 19241 days ago · 7 km deep · 42 km away
  16. 2.414 km NNW of Big Sur, California · 19241 days ago · 17 km deep · 97 km away
  17. 2.126 km SE of Tres Pinos, California · 19241 days ago · 7 km deep · 35 km away
  18. 1.925 km NE of Greenfield, California · 19241 days ago · 8 km deep · 48 km away
  19. 2.04 km SSW of Gilroy, California · 19241 days ago · 5 km deep · 50 km away
  20. 2.68 km ENE of Morgan Hill, California · 19241 days ago · 3 km deep · 56 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1018585. Read Sat, Oct 3, 2026, 1:10 PM UTC.