California earthquakes

M1.6 earthquake 20 km WSW of Three Rocks, California

A magnitude 1.6 earthquake struck 20 km WSW of Three Rocks, California on Tue, Jul 2, 2002, 1:19 PM PDT (20:19 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M3.1 6 km NW of Parkfield, CA. 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, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2002-07-02 20:19:21 UTC
Depth
12.1 km (7.5 mi), shallow
Epicenter
36.433° N, 120.606° 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 0.6 km horizontally, 3.1 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
139°
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: 115 in the 60 days after this one and 118 in the 30 days before it.

After

  1. 1.716 km SSE of Tres Pinos, California · 8860 days ago · 5 km deep · 63 km away
  2. 2.024 km ENE of Soledad, California · 8859 days ago · 3 km deep · 42 km away
  3. 2.622 km NE of Soledad, California · 8858 days ago · 4 km deep · 54 km away
  4. 2.72 km SW of Huron, California · 8858 days ago · 7 km deep · 51 km away
  5. 1.912 km SW of Gonzales, California · 8857 days ago · 7 km deep · 85 km away
  6. 2.323 km WSW of Three Rocks, California · 8857 days ago · 15 km deep · 4 km away
  7. 2.621 km NE of Soledad, California · 8856 days ago · 2 km deep · 53 km away
  8. 1.57 km SE of Huron, California · 8856 days ago · 8 km deep · 59 km away
  9. 1.52 km WSW of Ridgemark, California · 8855 days ago · 7 km deep · 81 km away
  10. 2.221 km NE of Soledad, California · 8855 days ago · 2 km deep · 49 km away
  11. 2.710 km NNW of Hollister, California · 8854 days ago · 2 km deep · 93 km away
  12. 2.716 km SSE of Tres Pinos, California · 8854 days ago · 3 km deep · 64 km away
  13. 3.016 km SSE of Tres Pinos, California · 8854 days ago · 3 km deep · 64 km away
  14. 1.914 km WNW of Coalinga, California · 8853 days ago · 12 km deep · 29 km away
  15. 1.910 km NNW of Hollister, California · 8852 days ago · 1 km deep · 93 km away
  16. 1.723 km NNE of San Ardo, California · 8850 days ago · 7 km deep · 30 km away
  17. 1.72 km W of Ridgemark, California · 8850 days ago · 6 km deep · 82 km away
  18. 2.033 km WSW of Lockwood, California · 8849 days ago · 1 km deep · 97 km away
  19. 2.917 km NNW of Coalinga, California · 8848 days ago · 10 km deep · 24 km away
  20. 1.72 km W of Ridgemark, California · 8848 days ago · 7 km deep · 82 km away
  21. 1.923 km NNE of San Lucas, California · 8848 days ago · 3 km deep · 29 km away
  22. 1.725 km ENE of Soledad, California · 8848 days ago · 9 km deep · 45 km away
  23. 2.519 km SW of King City, California · 8847 days ago · 12 km deep · 72 km away
  24. 1.513 km W of Oak Shores, California · 8847 days ago · 6 km deep · 85 km away
  25. 2.622 km NE of Soledad, California · 8847 days ago · 3 km deep · 54 km away
  26. 2.117 km SSE of Tres Pinos, California · 8847 days ago · 6 km deep · 62 km away
  27. 1.78 km NNE of Cambria, California · 8847 days ago · 7 km deep · 98 km away
  28. 1.58 km W of Paso Robles, California · 8847 days ago · 11 km deep · 90 km away
  29. 1.89 km ESE of Huron, California · 8846 days ago · 8 km deep · 61 km away
  30. 2.325 km SE of Tres Pinos, California · 8846 days ago · 8 km deep · 50 km away
  31. 2.817 km SSE of Tres Pinos, California · 8846 days ago · 10 km deep · 62 km away
  32. 1.810 km WSW of Ridgemark, California · 8845 days ago · 6 km deep · 85 km away
  33. 1.822 km WSW of Three Rocks, California · 8844 days ago · 15 km deep · 4 km away
  34. 1.732 km WNW of Coalinga, California · 8844 days ago · 13 km deep · 19 km away
  35. 1.623 km W of Three Rocks, California · 8843 days ago · 9 km deep · 5 km away
  36. 1.721 km NE of Soledad, California · 8842 days ago · 5 km deep · 48 km away
  37. 1.823km SE of Kettleman City, California · 8841 days ago · 6 km deep · 97 km away
  38. 1.612 km SSE of Tres Pinos, California · 8841 days ago · 7 km deep · 67 km away
  39. 1.98 km SE of San Juan Bautista, California · 8841 days ago · 3 km deep · 87 km away
  40. 2.40 km ENE of Gonzales, California · 8841 days ago · 11 km deep · 75 km away
  41. 1.79 km NW of Parkfield, California · 8840 days ago · 5 km deep · 53 km away
  42. 1.77 km NE of San Juan Bautista, California · 8839 days ago · 9 km deep · 94 km away
  43. 1.921 km NNE of Soledad, California · 8839 days ago · 7 km deep · 55 km away
  44. 2.1Central California · 8839 days ago · 4 km deep · 48 km away
  45. 1.623 km ENE of Soledad, California · 8838 days ago · 4 km deep · 43 km away
  46. 2.05 km SSE of Kettleman City, California · 8838 days ago · 20 km deep · 80 km away
  47. 1.93 km ESE of Tres Pinos, California · 8837 days ago · 9 km deep · 72 km away
  48. 1.63 km NNW of Hollister, California · 8837 days ago · 8 km deep · 87 km away
  49. 1.72 km W of Ridgemark, California · 8837 days ago · 6 km deep · 82 km away
  50. 1.57 km NE of San Juan Bautista, California · 8835 days ago · 9 km deep · 94 km away
  51. 1.923 km NE of Soledad, California · 8834 days ago · 9 km deep · 48 km away
  52. 2.021 km NE of Soledad, California · 8834 days ago · 3 km deep · 51 km away
  53. 1.624 km WSW of Coalinga, California · 8833 days ago · 2 km deep · 40 km away
  54. 2.425 km NW of Parkfield, California · 8833 days ago · 2 km deep · 41 km away
  55. 1.812 km S of Tres Pinos, California · 8832 days ago · 2 km deep · 68 km away
  56. 3.124 km S of Kettleman City, California · 8832 days ago · 6 km deep · 90 km away
  57. 1.524 km S of Kettleman City, California · 8832 days ago · 1 km deep · 91 km away
  58. 1.724 km S of Kettleman City, California · 8831 days ago · 4 km deep · 91 km away
  59. 1.624 km NE of Soledad, California · 8831 days ago · 8 km deep · 48 km away
  60. 1.725 km ENE of San Ardo, California · 8831 days ago · 0 km deep · 41 km away

The first 60 of 115.

Before

  1. 1.639 km SSW of South Dos Palos, California · 8861 days ago · 8 km deep · 34 km away
  2. 1.916 km WNW of Lanare, California · 8861 days ago · -1 km deep · 46 km away
  3. 1.717 km SSE of Tres Pinos, California · 8861 days ago · 6 km deep · 63 km away
  4. 1.534 km SE of Big Sur, California · 8863 days ago · 10 km deep · 97 km away
  5. 3.135 km SE of Big Sur, California · 8863 days ago · 10 km deep · 98 km away
  6. 1.922 km NE of Soledad, California · 8863 days ago · 8 km deep · 48 km away
  7. 2.116 km NW of Parkfield, California · 8863 days ago · 5 km deep · 48 km away
  8. 2.028 km NW of Coalinga, California · 8863 days ago · 15 km deep · 15 km away
  9. 1.624 km ENE of Greenfield, California · 8864 days ago · 6 km deep · 36 km away
  10. 3.017 km SSE of Tres Pinos, California · 8864 days ago · 7 km deep · 63 km away
  11. 2.538 km W of Lockwood, California · 8864 days ago · 12 km deep · 96 km away
  12. 1.65 km W of San Ardo, California · 8865 days ago · 8 km deep · 57 km away
  13. 1.717 km SSE of Tres Pinos, California · 8865 days ago · 3 km deep · 63 km away
  14. 1.99 km SSW of Tres Pinos, California · 8865 days ago · 3 km deep · 73 km away
  15. 1.828 km NW of Coalinga, California · 8866 days ago · 12 km deep · 14 km away
  16. 2.037 km W of Lockwood, California · 8866 days ago · 4 km deep · 94 km away
  17. 1.624 km NE of Greenfield, California · 8866 days ago · 5 km deep · 37 km away
  18. 1.724 km NE of Greenfield, California · 8867 days ago · 5 km deep · 39 km away
  19. 2.25 km W of San Ardo, California · 8867 days ago · 9 km deep · 56 km away
  20. 2.017 km SSE of Tres Pinos, California · 8867 days ago · 6 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc21233342. Read Mon, Oct 5, 2026, 7:39 AM UTC.