California earthquakes

M1.7 earthquake 5 km WSW of Ridgemark, California

A magnitude 1.7 earthquake struck 5 km WSW of Ridgemark, California on Thu, Jun 6, 2002, 7:39 AM PDT (14:39 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.4 Central California. This one was a foreshock.

Ridgemark 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2002-06-06 14:39:09 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
36.800° N, 121.425° 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, 0.7 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
54°
Stations used
36

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 175 in the 60 days after this one and 85 in the 30 days before it.

After

  1. 1.85 km NNE of Milpitas, California · 8887 days ago · 0 km deep · 85 km away
  2. 1.624 km NE of Greenfield, California · 8886 days ago · 7 km deep · 48 km away
  3. 1.921 km NE of Soledad, California · 8886 days ago · 2 km deep · 38 km away
  4. 3.222 km NE of Soledad, California · 8886 days ago · 2 km deep · 38 km away
  5. 2.322 km NE of Soledad, California · 8886 days ago · 2 km deep · 38 km away
  6. 1.813 km S of Tres Pinos, California · 8886 days ago · 4 km deep · 19 km away
  7. 1.86 km SSW of Gilroy, California · 8885 days ago · 5 km deep · 23 km away
  8. 2.012 km S of Tres Pinos, California · 8885 days ago · 5 km deep · 18 km away
  9. 2.823 km ENE of San Lucas, California · 8884 days ago · 8 km deep · 84 km away
  10. 1.817 km W of Diablo Grande, California · 8884 days ago · 8 km deep · 64 km away
  11. 1.68 km SSE of Davenport, California · 8884 days ago · 7 km deep · 67 km away
  12. 2.46 km SSE of Gilroy, California · 8884 days ago · 4 km deep · 20 km away
  13. 2.32 km NNW of Aromas, California · 8884 days ago · 11 km deep · 24 km away
  14. 1.621 km NE of Soledad, California · 8883 days ago · 2 km deep · 38 km away
  15. 1.512 km S of Tres Pinos, California · 8883 days ago · 4 km deep · 18 km away
  16. 2.225 km ENE of King City, California · 8883 days ago · 10 km deep · 71 km away
  17. 2.324 km ENE of Soledad, California · 8883 days ago · 3 km deep · 46 km away
  18. 2.721 km NE of Soledad, California · 8882 days ago · 2 km deep · 38 km away
  19. 1.721 km NE of Soledad, California · 8882 days ago · 2 km deep · 38 km away
  20. 1.721 km NE of Soledad, California · 8882 days ago · 2 km deep · 38 km away
  21. 2.922 km NE of Soledad, California · 8882 days ago · 2 km deep · 38 km away
  22. 1.65 km SSW of Gilroy, California · 8882 days ago · 6 km deep · 23 km away
  23. 2.722 km NE of Soledad, California · 8882 days ago · 2 km deep · 38 km away
  24. 2.04 km ESE of Aromas, California · 8882 days ago · 10 km deep · 17 km away
  25. 1.517 km SE of Tres Pinos, California · 8882 days ago · 8 km deep · 25 km away
  26. 1.87 km SSW of Ridgemark, California · 8882 days ago · 10 km deep · 5 km away
  27. 1.524 km NE of Greenfield, California · 8882 days ago · 6 km deep · 51 km away
  28. 1.69 km NNW of Hollister, California · 8881 days ago · 6 km deep · 15 km away
  29. 1.615 km E of Seven Trees, California · 8881 days ago · 6 km deep · 59 km away
  30. 2.123 km NE of Greenfield, California · 8880 days ago · 5 km deep · 51 km away
  31. 1.98 km NE of Morgan Hill, California · 8880 days ago · 3 km deep · 45 km away
  32. 1.96 km NNE of Milpitas, California · 8880 days ago · 0 km deep · 85 km away
  33. 2.37 km N of San Lucas, California · 8879 days ago · 15 km deep · 76 km away
  34. 2.022 km NE of Soledad, California · 8878 days ago · 3 km deep · 32 km away
  35. 2.322 km NE of Soledad, California · 8878 days ago · 3 km deep · 32 km away
  36. 2.03 km NW of San Juan Bautista, California · 8877 days ago · 7 km deep · 14 km away
  37. 1.65 km SW of Gilroy, California · 8876 days ago · 6 km deep · 25 km away
  38. 2.0Central California · 8876 days ago · 5 km deep · 36 km away
  39. 1.85 km SW of Tres Pinos, California · 8876 days ago · 9 km deep · 7 km away
  40. 1.55 km W of San Ardo, California · 8876 days ago · 8 km deep · 96 km away
  41. 1.913 km S of Tres Pinos, California · 8875 days ago · 4 km deep · 18 km away
  42. 3.023 km NNE of San Ardo, California · 8875 days ago · 8 km deep · 89 km away
  43. 2.023 km WNW of Del Monte Forest, California · 8875 days ago · 14 km deep · 71 km away
  44. 2.43 km WNW of San Juan Bautista, California · 8875 days ago · 5 km deep · 15 km away
  45. 2.124 km NE of Greenfield, California · 8875 days ago · 6 km deep · 50 km away
  46. 1.624 km NE of King City, California · 8874 days ago · 6 km deep · 62 km away
  47. 1.56 km NNE of East Foothills, California · 8874 days ago · 6 km deep · 77 km away
  48. 1.64 km SSE of Gilroy, California · 8874 days ago · 0 km deep · 22 km away
  49. 3.124 km ENE of Greenfield, California · 8874 days ago · 7 km deep · 55 km away
  50. 1.523 km ENE of Soledad, California · 8873 days ago · 4 km deep · 46 km away
  51. 2.017 km SSE of Tres Pinos, California · 8873 days ago · 6 km deep · 23 km away
  52. 1.95 km NNE of Milpitas, California · 8873 days ago · 0 km deep · 85 km away
  53. 2.522 km NNE of Soledad, California · 8873 days ago · 8 km deep · 30 km away
  54. 3.4Central California · 8872 days ago · 11 km deep · 88 km away
  55. 1.935 km SE of Big Sur, California · 8872 days ago · 11 km deep · 88 km away
  56. 2.030 km WNW of Coalinga, California · 8871 days ago · 11 km deep · 90 km away
  57. 1.834 km SE of Big Sur, California · 8871 days ago · 7 km deep · 87 km away
  58. 1.636 km SE of Big Sur, California · 8871 days ago · 5 km deep · 89 km away
  59. 1.58 km SW of Santa Cruz, California · 8869 days ago · 8 km deep · 60 km away
  60. 2.22 km WSW of Ridgemark, California · 8868 days ago · 7 km deep · 3 km away

The first 60 of 175.

Before

  1. 1.85 km SW of Gilroy, California · 8888 days ago · 6 km deep · 25 km away
  2. 1.723 km NE of Soledad, California · 8889 days ago · 2 km deep · 39 km away
  3. 1.729 km SSW of South Dos Palos, California · 8889 days ago · 0 km deep · 62 km away
  4. 2.017 km SSE of Tres Pinos, California · 8889 days ago · 4 km deep · 23 km away
  5. 1.82 km ENE of San Ardo, California · 8890 days ago · 10 km deep · 99 km away
  6. 1.727 km ESE of Tres Pinos, California · 8890 days ago · 4 km deep · 36 km away
  7. 2.020 km SSE of Tres Pinos, California · 8890 days ago · 5 km deep · 27 km away
  8. 1.629 km ESE of Tres Pinos, California · 8890 days ago · 0 km deep · 39 km away
  9. 2.47 km NE of Ridgemark, California · 8894 days ago · 5 km deep · 13 km away
  10. 2.222 km NE of Soledad, California · 8894 days ago · 1 km deep · 38 km away
  11. 2.95 km E of Interlaken, California · 8894 days ago · 6 km deep · 28 km away
  12. 2.48 km NE of Ridgemark, California · 8894 days ago · 5 km deep · 13 km away
  13. 1.613 km SW of Tres Pinos, California · 8894 days ago · 10 km deep · 12 km away
  14. 2.223 km NE of San Lucas, California · 8895 days ago · 5 km deep · 74 km away
  15. 1.714 km SW of Tres Pinos, California · 8895 days ago · 8 km deep · 12 km away
  16. 1.74 km SSE of Gilroy, California · 8895 days ago · 0 km deep · 22 km away
  17. 1.95 km SSW of Gilroy, California · 8895 days ago · 6 km deep · 24 km away
  18. 2.422 km NNE of Soledad, California · 8895 days ago · 2 km deep · 29 km away
  19. 2.45 km SSW of Gilroy, California · 8895 days ago · 6 km deep · 23 km away
  20. 1.57 km NE of Ridgemark, California · 8895 days ago · 5 km deep · 12 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc21229009. Read Mon, Oct 5, 2026, 12:56 PM UTC.