California earthquakes

M1.7 earthquake 18 km NW of Parkfield, California

A magnitude 1.7 earthquake struck 18 km NW of Parkfield, California on Fri, May 2, 1975, 4:57 AM PDT (11:57 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M4.1 21 km NNE of Soledad, 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
1.7 (md), micro
Local time
UTC
1975-05-02 11:57:34 UTC
Depth
3.8 km (2.4 mi), shallow
Epicenter
36.012° N, 120.591° 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 0.9 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.02
Depth from
From location
Station coverage gap
150°
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: 198 in the 60 days after this one and 94 in the 30 days before it.

After

  1. 3.611 km NW of Parkfield, California · 18779 days ago · 12 km deep · 8 km away
  2. 2.621 km NNE of Soledad, California · 18779 days ago · 6 km deep · 85 km away
  3. 3.619 km NW of Parkfield, California · 18779 days ago · 6 km deep · 4 km away
  4. 2.920 km NW of Parkfield, California · 18779 days ago · 4 km deep · 2 km away
  5. 2.511 km NW of Parkfield, California · 18778 days ago · 12 km deep · 7 km away
  6. 2.623 km NE of San Lucas, California · 18778 days ago · 6 km deep · 32 km away
  7. 3.420 km NW of Parkfield, California · 18778 days ago · 8 km deep · 2 km away
  8. 3.512 km SW of Soledad, California · 18777 days ago · 6 km deep · 83 km away
  9. 3.423 km NE of King City, California · 18777 days ago · 6 km deep · 52 km away
  10. 1.622 km NE of Soledad, California · 18777 days ago · 3 km deep · 76 km away
  11. 2.510 km NW of Parkfield, California · 18777 days ago · 11 km deep · 8 km away
  12. 2.520 km NW of Parkfield, California · 18777 days ago · 4 km deep · 1 km away
  13. 3.38 km S of Parkfield, California · 18776 days ago · 0 km deep · 25 km away
  14. 1.711 km NW of Parkfield, California · 18776 days ago · 11 km deep · 7 km away
  15. 2.423 km ENE of Soledad, CA · 18775 days ago · 5 km deep · 71 km away
  16. 2.123 km NE of Soledad, California · 18775 days ago · 3 km deep · 75 km away
  17. 2.323 km ENE of San Lucas, California · 18775 days ago · 5 km deep · 30 km away
  18. 1.623 km ENE of Soledad, California · 18775 days ago · 5 km deep · 70 km away
  19. 1.923 km ENE of Soledad, California · 18775 days ago · 3 km deep · 69 km away
  20. 2.421 km NE of Soledad, California · 18775 days ago · 3 km deep · 77 km away
  21. 2.2Central California · 18775 days ago · 2 km deep · 78 km away
  22. 2.623 km NE of Soledad, California · 18774 days ago · 9 km deep · 77 km away
  23. 2.824 km NE of Soledad, California · 18774 days ago · 12 km deep · 79 km away
  24. 1.823 km NE of Soledad, California · 18774 days ago · 8 km deep · 78 km away
  25. 2.924 km NE of Soledad, California · 18774 days ago · 9 km deep · 78 km away
  26. 1.6Central California · 18774 days ago · 8 km deep · 76 km away
  27. 2.724 km NE of Greenfield, California · 18774 days ago · 7 km deep · 66 km away
  28. 2.723 km ENE of Soledad, California · 18773 days ago · 5 km deep · 71 km away
  29. 2.524 km NE of Greenfield, California · 18772 days ago · 5 km deep · 66 km away
  30. 2.318 km NW of Parkfield, California · 18772 days ago · 3 km deep · 1 km away
  31. 1.925 km NE of Soledad, California · 18772 days ago · 8 km deep · 80 km away
  32. 3.424 km NE of Greenfield, California · 18772 days ago · 5 km deep · 67 km away
  33. 2.334 km NE of San Lucas, California · 18771 days ago · 10 km deep · 37 km away
  34. 2.823 km NE of Greenfield, California · 18770 days ago · 2 km deep · 65 km away
  35. 2.916 km SSE of Tres Pinos, California · 18770 days ago · 4 km deep · 93 km away
  36. 3.923 km NE of Soledad, California · 18770 days ago · 9 km deep · 78 km away
  37. 2.82 km ESE of San Ardo, California · 18770 days ago · 10 km deep · 26 km away
  38. 2.524 km ENE of Soledad, California · 18770 days ago · 3 km deep · 69 km away
  39. 2.31 km SE of San Ardo, California · 18770 days ago · 6 km deep · 27 km away
  40. 2.323 km SSE of Tres Pinos, California · 18769 days ago · 7 km deep · 85 km away
  41. 2.115 km SE of Tres Pinos, California · 18769 days ago · 8 km deep · 94 km away
  42. 3.223 km NW of Parkfield, California · 18768 days ago · 7 km deep · 5 km away
  43. 2.323 km NW of Parkfield, California · 18768 days ago · 6 km deep · 5 km away
  44. 2.523 km ENE of Soledad, California · 18768 days ago · 4 km deep · 71 km away
  45. 1.923 km ENE of Soledad, California · 18768 days ago · 3 km deep · 71 km away
  46. 2.630 km ENE of Soledad, California · 18767 days ago · 7 km deep · 74 km away
  47. 2.330 km ENE of Soledad, California · 18767 days ago · 6 km deep · 74 km away
  48. 2.623 km NW of Parkfield, California · 18767 days ago · 6 km deep · 5 km away
  49. 2.222 km NE of Soledad, California · 18767 days ago · 5 km deep · 76 km away
  50. 2.66 km NW of Parkfield, California · 18767 days ago · 5 km deep · 12 km away
  51. 2.121 km NE of Soledad, California · 18767 days ago · 6 km deep · 76 km away
  52. 2.921 km NE of Soledad, California · 18766 days ago · 1 km deep · 80 km away
  53. 4.028 km NE of Soledad, California · 18765 days ago · 11 km deep · 78 km away
  54. 2.627 km NE of Soledad, California · 18765 days ago · 10 km deep · 79 km away
  55. 4.121 km NNE of Soledad, California · 18765 days ago · 9 km deep · 85 km away
  56. 1.827 km NE of Soledad, California · 18765 days ago · 11 km deep · 79 km away
  57. 2.322 km ENE of Soledad, California · 18764 days ago · 8 km deep · 71 km away
  58. 2.527 km NE of Soledad, California · 18764 days ago · 11 km deep · 77 km away
  59. 3.023 km ENE of San Lucas, California · 18764 days ago · 5 km deep · 30 km away
  60. 2.628 km ENE of Soledad, California · 18764 days ago · 11 km deep · 74 km away

The first 60 of 198.

Before

  1. 2.525 km NE of San Lucas, California · 18779 days ago · 4 km deep · 34 km away
  2. 2.924 km ENE of Greenfield, California · 18779 days ago · 6 km deep · 60 km away
  3. 2.122 km NE of Soledad, California · 18779 days ago · 4 km deep · 76 km away
  4. 2.12 km SE of San Ardo, California · 18779 days ago · 13 km deep · 26 km away
  5. 2.111 km NW of Parkfield, California · 18780 days ago · 11 km deep · 7 km away
  6. 3.111 km NW of Parkfield, California · 18780 days ago · 11 km deep · 8 km away
  7. 2.522 km ENE of San Lucas, California · 18781 days ago · 7 km deep · 31 km away
  8. 2.821 km NE of Soledad, California · 18782 days ago · 2 km deep · 80 km away
  9. 3.020 km NW of Parkfield, California · 18782 days ago · 9 km deep · 2 km away
  10. 2.924 km NE of Greenfield, California · 18782 days ago · 2 km deep · 65 km away
  11. 3.024 km NE of Greenfield, California · 18783 days ago · 2 km deep · 66 km away
  12. 3.0Central California · 18783 days ago · 6 km deep · 5 km away
  13. 3.0Central California · 18783 days ago · 3 km deep · 76 km away
  14. 2.924 km NE of Greenfield, California · 18784 days ago · 1 km deep · 65 km away
  15. 1.820 km NW of Parkfield, California · 18784 days ago · 7 km deep · 2 km away
  16. 2.624 km ENE of Greenfield, California · 18785 days ago · 0 km deep · 59 km away
  17. 2.422 km NE of Soledad, California · 18785 days ago · 4 km deep · 76 km away
  18. 3.4Central California · 18785 days ago · 0 km deep · 60 km away
  19. 3.220 km ENE of San Lucas, California · 18786 days ago · 4 km deep · 31 km away
  20. 2.326 km NE of Soledad, California · 18786 days ago · 7 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1023721. Read Wed, Sep 30, 2026, 2:59 PM UTC.