California earthquakes

M1.7 earthquake 9 km E of Gilroy, California

A magnitude 1.7 earthquake struck 9 km E of Gilroy, California on Tue, Sep 24, 2002, 5:28 AM PDT (12:28 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.8 21 km NNE of Soledad, California. This one was a foreshock.

Gilroy 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
2002-09-24 12:28:12 UTC
Depth
4.2 km (2.6 mi), shallow
Epicenter
36.998° N, 121.460° 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 0.1 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
50°
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 163 in the 60 days after this one and 65 in the 30 days before it.

After

  1. 1.96 km NNE of Milpitas, California · 8777 days ago · 0 km deep · 65 km away
  2. 2.85 km SSW of Gilroy, California · 8776 days ago · 4 km deep · 12 km away
  3. 3.022 km NNE of Soledad, California · 8776 days ago · 8 km deep · 50 km away
  4. 3.821 km NNE of Soledad, California · 8776 days ago · 8 km deep · 51 km away · felt by 79
  5. 1.821 km NNE of Soledad, California · 8776 days ago · 7 km deep · 50 km away
  6. 1.721 km NNE of Soledad, California · 8776 days ago · 8 km deep · 50 km away
  7. 1.513 km N of Hollister, California · 8776 days ago · 8 km deep · 7 km away
  8. 3.311 km ESE of East Foothills, California · 8776 days ago · 8 km deep · 43 km away · felt by 136
  9. 1.69 km ESE of East Foothills, California · 8776 days ago · 8 km deep · 44 km away
  10. 1.811 km ESE of East Foothills, California · 8776 days ago · 7 km deep · 44 km away
  11. 2.210 km ESE of East Foothills, California · 8776 days ago · 7 km deep · 44 km away
  12. 2.410 km NNE of East Foothills, California · 8775 days ago · 4 km deep · 58 km away
  13. 1.64 km SSW of Gilroy, California · 8774 days ago · 6 km deep · 12 km away
  14. 1.818 km SSE of Tres Pinos, California · 8774 days ago · 6 km deep · 45 km away
  15. 1.819 km NNE of King City, California · 8774 days ago · 0 km deep · 80 km away
  16. 3.721 km NNE of Soledad, California · 8773 days ago · 9 km deep · 51 km away
  17. 3.42 km ENE of Byron, California · 8772 days ago · 4 km deep · 98 km away · felt by 163
  18. 2.23 km WSW of Byron, California · 8772 days ago · 1 km deep · 97 km away
  19. 2.43 km E of Byron, California · 8772 days ago · 4 km deep · 98 km away
  20. 2.13 km E of Byron, California · 8772 days ago · 4 km deep · 98 km away
  21. 1.60 km E of Byron, California · 8772 days ago · 4 km deep · 98 km away
  22. 2.16 km NE of Scotts Valley, California · 8772 days ago · 5 km deep · 47 km away
  23. 2.04 km SSW of Gilroy, California · 8772 days ago · 6 km deep · 12 km away
  24. 2.510 km NNE of East Foothills, California · 8772 days ago · 4 km deep · 58 km away
  25. 1.621 km NNE of Soledad, California · 8771 days ago · 7 km deep · 51 km away
  26. 1.820 km NNE of King City, California · 8769 days ago · 0 km deep · 80 km away
  27. 2.41 km E of Ridgemark, California · 8768 days ago · 6 km deep · 23 km away
  28. 1.623 km NE of King City, California · 8767 days ago · 3 km deep · 88 km away
  29. 1.624 km NE of Greenfield, California · 8766 days ago · 5 km deep · 70 km away
  30. 2.511 km N of Morgan Hill, California · 8766 days ago · 5 km deep · 31 km away
  31. 2.29 km SSE of Tres Pinos, California · 8765 days ago · 7 km deep · 36 km away
  32. 1.7Northern California · 8765 days ago · 2 km deep · 100 km away
  33. 1.524 km NE of Soledad, California · 8764 days ago · 2 km deep · 57 km away
  34. 3.01 km ENE of Aromas, California · 8763 days ago · 6 km deep · 18 km away
  35. 1.74 km NNE of Milpitas, California · 8763 days ago · 0 km deep · 64 km away
  36. 1.75 km NNE of Milpitas, California · 8763 days ago · 0 km deep · 65 km away
  37. 1.724 km NE of Soledad, California · 8763 days ago · 9 km deep · 56 km away
  38. 1.824 km NE of Soledad, California · 8762 days ago · 2 km deep · 57 km away
  39. 1.624 km NE of Soledad, California · 8762 days ago · 2 km deep · 57 km away
  40. 1.922 km NE of Soledad, California · 8762 days ago · 3 km deep · 59 km away
  41. 1.63 km W of San Juan Bautista, California · 8761 days ago · 5 km deep · 19 km away
  42. 1.632 km ENE of Soledad, California · 8761 days ago · 11 km deep · 60 km away
  43. 1.89 km NE of Milpitas, California · 8761 days ago · 7 km deep · 62 km away
  44. 2.39 km ENE of Milpitas, California · 8760 days ago · 7 km deep · 61 km away
  45. 1.79 km ENE of Milpitas, California · 8760 days ago · 7 km deep · 61 km away
  46. 1.66 km S of Blackhawk, California · 8760 days ago · 21 km deep · 94 km away
  47. 2.06 km WSW of Gilroy, California · 8759 days ago · 6 km deep · 15 km away
  48. 2.11 km WSW of Tres Pinos, California · 8759 days ago · 6 km deep · 26 km away
  49. 2.021 km WNW of Three Rocks, California · 8759 days ago · 6 km deep · 88 km away
  50. 1.78 km N of Day Valley, California · 8758 days ago · 3 km deep · 38 km away
  51. 1.56 km ESE of Fremont, California · 8758 days ago · 5 km deep · 72 km away
  52. 2.014 km SSE of Tres Pinos, California · 8758 days ago · 7 km deep · 41 km away
  53. 2.914 km SSE of Tres Pinos, California · 8758 days ago · 7 km deep · 41 km away
  54. 1.625 km SW of Los Banos, California · 8757 days ago · 5 km deep · 39 km away
  55. 1.719 km NNE of King City, California · 8757 days ago · 0 km deep · 79 km away
  56. 1.59 km SSW of Tres Pinos, California · 8757 days ago · 3 km deep · 33 km away
  57. 1.922 km NE of Soledad, California · 8757 days ago · 3 km deep · 53 km away
  58. 2.121 km NE of Soledad, California · 8756 days ago · 8 km deep · 59 km away
  59. 1.722 km NNE of Soledad, California · 8756 days ago · 4 km deep · 51 km away
  60. 1.519 km SSE of Tres Pinos, California · 8756 days ago · 10 km deep · 45 km away

The first 60 of 163.

Before

  1. 1.612 km S of Tres Pinos, California · 8778 days ago · 6 km deep · 38 km away
  2. 2.322 km NE of Soledad, California · 8778 days ago · 5 km deep · 52 km away
  3. 2.222 km NE of Soledad, California · 8778 days ago · 3 km deep · 60 km away
  4. 1.68 km SSW of Ridgemark, California · 8779 days ago · 6 km deep · 29 km away
  5. 1.78 km N of Boulder Creek, California · 8779 days ago · 11 km deep · 62 km away
  6. 2.314 km SSE of Tres Pinos, California · 8781 days ago · 5 km deep · 40 km away
  7. 1.721 km NE of Soledad, California · 8781 days ago · 3 km deep · 55 km away
  8. 1.821 km NE of Soledad, California · 8781 days ago · 3 km deep · 55 km away
  9. 1.521 km NE of Soledad, California · 8782 days ago · 7 km deep · 53 km away
  10. 2.422 km NNE of Soledad, California · 8783 days ago · 6 km deep · 49 km away
  11. 1.514 km SSW of Tracy, California · 8783 days ago · 12 km deep · 70 km away
  12. 1.75 km S of Gilroy, California · 8784 days ago · 6 km deep · 11 km away
  13. 1.84 km ESE of Interlaken, California · 8785 days ago · 11 km deep · 21 km away
  14. 1.710 km S of Tres Pinos, California · 8785 days ago · 7 km deep · 35 km away
  15. 2.415 km SSE of Tres Pinos, California · 8785 days ago · 8 km deep · 41 km away
  16. 2.915 km SSE of Tres Pinos, California · 8785 days ago · 8 km deep · 41 km away
  17. 2.44 km W of San Juan Bautista, California · 8785 days ago · 9 km deep · 20 km away
  18. 1.622 km NE of Soledad, California · 8785 days ago · 7 km deep · 56 km away
  19. 2.010 km S of Tres Pinos, California · 8787 days ago · 7 km deep · 35 km away
  20. 1.73 km NNW of Boulder Creek, California · 8788 days ago · 15 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc21246728. Read Mon, Oct 5, 2026, 12:56 PM UTC.