California earthquakes

M3.4 earthquake 22 km ENE of Soledad, California

A magnitude 3.4 earthquake struck 22 km ENE of Soledad, California on Thu, Aug 21, 1975, 4:00 AM PDT (11:00 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M4.8 14 km NW of Parkfield, California. This one was a foreshock.

Soledad 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
3.4 (Md, duration), minor
Magnitude from
Northern California Seismic System
Local time
UTC
1975-08-21 11:00:53 UTC
Depth
2.9 km (1.8 mi), shallow
Epicenter
36.533° N, 121.116° 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 0.2 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.57
Depth from
From location
Station coverage gap
60°
Stations used
32

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 158 in the 30 days before it.

After

  1. 4.37 km S of Three Rocks, California · 18670 days ago · 16 km deep · 67 km away
  2. 1.920 km ESE of Tres Pinos, California · 18670 days ago · 0 km deep · 21 km away
  3. 2.421 km NE of Soledad, California · 18670 days ago · 2 km deep · 3 km away
  4. 2.59 km NW of Hollister, California · 18670 days ago · 3 km deep · 53 km away
  5. 2.97 km NE of San Juan Bautista, California · 18669 days ago · 5 km deep · 52 km away
  6. 2.921 km NE of Soledad, California · 18669 days ago · 6 km deep · 4 km away
  7. 2.525 km ENE of San Ardo, California · 18669 days ago · 8 km deep · 64 km away
  8. 2.623 km NE of King City, California · 18669 days ago · 3 km deep · 25 km away
  9. 2.36 km E of Interlaken, California · 18669 days ago · 11 km deep · 68 km away
  10. 3.19 km NNW of Hollister, California · 18669 days ago · 7 km deep · 53 km away
  11. 2.228 km NE of Soledad, California · 18668 days ago · 8 km deep · 7 km away
  12. 2.521 km NE of Soledad, California · 18668 days ago · 2 km deep · 3 km away
  13. 2.2Central California · 18668 days ago · 2 km deep · 2 km away
  14. 3.2Near the coast of Central California · 18667 days ago · 8 km deep · 79 km away
  15. 1.727 km SE of Tres Pinos, California · 18667 days ago · 7 km deep · 8 km away
  16. 2.9Central California · 18667 days ago · 4 km deep · 75 km away
  17. 3.518 km NW of Parkfield, California · 18667 days ago · 5 km deep · 75 km away
  18. 3.517 km NW of Parkfield, California · 18667 days ago · 4 km deep · 76 km away
  19. 3.523 km NE of San Ardo, California · 18667 days ago · 7 km deep · 49 km away
  20. 2.3Central California · 18667 days ago · 9 km deep · 2 km away
  21. 2.36 km WSW of Gilroy, California · 18666 days ago · 5 km deep · 68 km away
  22. 2.523 km ENE of Soledad, California · 18666 days ago · 4 km deep · 3 km away
  23. 2.923 km ENE of Soledad, California · 18666 days ago · 4 km deep · 4 km away
  24. 3.84 km SSW of Gilroy, California · 18666 days ago · 2 km deep · 65 km away
  25. 3.413 km S of Tres Pinos, California · 18666 days ago · 4 km deep · 22 km away
  26. 2.424 km NE of Soledad, California · 18666 days ago · 10 km deep · 4 km away
  27. 2.57 km NE of Aromas, California · 18666 days ago · 5 km deep · 61 km away
  28. 3.523 km NE of King City, California · 18665 days ago · 8 km deep · 23 km away
  29. 3.36 km NE of Corralitos, California · 18665 days ago · 11 km deep · 78 km away
  30. 2.721 km NNE of San Ardo, California · 18665 days ago · 6 km deep · 49 km away
  31. 2.822 km ENE of Soledad, California · 18665 days ago · 10 km deep · 1 km away
  32. 4.117 km SSE of Tres Pinos, California · 18665 days ago · 4 km deep · 18 km away
  33. 2.911 km SSE of Tres Pinos, California · 18664 days ago · 4 km deep · 23 km away
  34. 3.129 km ENE of Soledad, California · 18664 days ago · 6 km deep · 7 km away
  35. 1.99 km ENE of Morgan Hill, California · 18664 days ago · 5 km deep · 80 km away
  36. 2.49 km NW of Hollister, California · 18663 days ago · 5 km deep · 53 km away
  37. 2.06 km NNW of Hollister, California · 18663 days ago · 7 km deep · 50 km away
  38. 2.326 km NE of Soledad, California · 18663 days ago · 7 km deep · 7 km away
  39. 2.222 km NE of San Lucas, California · 18663 days ago · 7 km deep · 38 km away
  40. 2.27 km ENE of Gilroy, California · 18663 days ago · 9 km deep · 65 km away
  41. 3.93 km SW of Three Rocks, California · 18663 days ago · 13 km deep · 63 km away
  42. 3.72 km S of Three Rocks, California · 18663 days ago · 4 km deep · 65 km away
  43. 4.83 km SSW of Three Rocks, California · 18663 days ago · 11 km deep · 63 km away
  44. 2.530 km ENE of Soledad, California · 18662 days ago · 7 km deep · 9 km away
  45. 1.619 km SSE of Tres Pinos, California · 18662 days ago · 9 km deep · 15 km away
  46. 3.03 km SSW of Three Rocks, California · 18662 days ago · 8 km deep · 63 km away
  47. 2.49 km NW of Hollister, California · 18662 days ago · 4 km deep · 53 km away
  48. 2.59 km NW of Hollister, California · 18662 days ago · 5 km deep · 53 km away
  49. 3.923 km ENE of San Lucas, California · 18661 days ago · 5 km deep · 44 km away
  50. 1.713 km ESE of Seven Trees, California · 18661 days ago · 2 km deep · 95 km away
  51. 2.017 km SSE of Tres Pinos, California · 18661 days ago · 4 km deep · 17 km away
  52. 2.624 km SE of Tres Pinos, California · 18661 days ago · 4 km deep · 11 km away
  53. 3.521 km NE of Soledad, California · 18661 days ago · 5 km deep · 2 km away
  54. 2.48 km NE of San Juan Bautista, California · 18661 days ago · 5 km deep · 52 km away
  55. 2.522 km ENE of Soledad, California · 18660 days ago · 3 km deep · 3 km away
  56. 2.38 km ENE of Gilroy, California · 18660 days ago · 5 km deep · 66 km away
  57. 2.622 km NE of King City, California · 18660 days ago · 6 km deep · 28 km away
  58. 2.521 km NNE of Soledad, California · 18660 days ago · 7 km deep · 10 km away
  59. 2.39 km NW of Hollister, California · 18659 days ago · 5 km deep · 53 km away
  60. 2.821 km NE of Soledad, California · 18659 days ago · 5 km deep · 2 km away

The first 60 of 193.

Before

  1. 2.24 km NE of Tres Pinos, California · 18671 days ago · 8 km deep · 36 km away
  2. 2.721 km NE of Soledad, California · 18671 days ago · 2 km deep · 3 km away
  3. 2.219 km WNW of Lockwood, California · 18671 days ago · 5 km deep · 56 km away
  4. 2.021 km NE of Soledad, California · 18671 days ago · 8 km deep · 8 km away
  5. 2.05 km SSW of Tres Pinos, California · 18671 days ago · 8 km deep · 31 km away
  6. 2.310 km NNW of Big Sur, California · 18671 days ago · 8 km deep · 67 km away
  7. 1.731 km SE of Tres Pinos, California · 18671 days ago · 2 km deep · 12 km away
  8. 2.621 km NE of Soledad, California · 18672 days ago · 2 km deep · 3 km away
  9. 1.824 km ESE of Tres Pinos, California · 18672 days ago · 4 km deep · 20 km away
  10. 2.123 km ENE of Soledad, California · 18672 days ago · 1 km deep · 3 km away
  11. 3.225 km ENE of Greenfield, California · 18673 days ago · 1 km deep · 14 km away
  12. 2.422 km ENE of San Ardo, California · 18673 days ago · 3 km deep · 63 km away
  13. 3.516 km NW of Parkfield, California · 18674 days ago · 4 km deep · 77 km away
  14. 3.75 km SW of Three Rocks, California · 18674 days ago · 16 km deep · 62 km away
  15. 2.335 km ENE of Soledad, California · 18674 days ago · 6 km deep · 14 km away
  16. 2.52 km WSW of San Juan Bautista, California · 18674 days ago · 8 km deep · 53 km away
  17. 2.321 km NNE of Soledad, California · 18674 days ago · 4 km deep · 9 km away
  18. 4.16 km S of Three Rocks, California · 18675 days ago · 16 km deep · 66 km away
  19. 2.69 km NW of Hollister, California · 18675 days ago · 6 km deep · 53 km away
  20. 2.221 km NE of Soledad, California · 18675 days ago · 5 km deep · 7 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1025856. Read Fri, Oct 2, 2026, 10:40 PM UTC.