California earthquakes

M1.6 earthquake 3 km S of Sunol, California

A magnitude 1.6 earthquake struck 3 km S of Sunol, California on Tue, Jul 16, 2002, 12:43 AM PDT (07:43 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.1 15 km E of Seven Trees, California. This one was a foreshock.

Sunol forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2002-07-16 07:43:48 UTC
Depth
7.5 km (4.7 mi), shallow
Epicenter
37.563° N, 121.881° 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, 0.2 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
45°
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: 119 in the 60 days after this one and 45 in the 30 days before it.

After

  1. 1.76 km NNE of East Foothills, California · 8847 days ago · 6 km deep · 16 km away
  2. 1.63 km N of East Foothills, California · 8847 days ago · 1 km deep · 17 km away
  3. 2.37 km ENE of Gilroy, California · 8846 days ago · 8 km deep · 68 km away
  4. 3.115 km E of Seven Trees, California · 8846 days ago · 6 km deep · 36 km away
  5. 1.715 km E of Seven Trees, California · 8846 days ago · 6 km deep · 36 km away
  6. 2.44 km ESE of Sunol, California · 8845 days ago · 5 km deep · 3 km away
  7. 1.810 km WSW of Ridgemark, California · 8845 days ago · 6 km deep · 96 km away
  8. 1.64 km ENE of La Honda, California · 8845 days ago · 0 km deep · 40 km away
  9. 1.85 km SSW of Gilroy, California · 8844 days ago · 4 km deep · 71 km away
  10. 1.616 km N of Morgan Hill, California · 8843 days ago · 6 km deep · 38 km away
  11. 2.73 km N of East Foothills, California · 8843 days ago · 2 km deep · 17 km away
  12. 2.43 km N of East Foothills, California · 8843 days ago · 0 km deep · 18 km away
  13. 1.87 km ENE of Gilroy, California · 8843 days ago · 7 km deep · 68 km away
  14. 1.69 km S of Antioch, California · 8842 days ago · 18 km deep · 40 km away
  15. 2.58 km ENE of San Martin, California · 8842 days ago · 8 km deep · 58 km away
  16. 1.91 km NE of Montara, California · 8842 days ago · 5 km deep · 55 km away
  17. 1.61 km NE of Montara, California · 8842 days ago · 5 km deep · 55 km away
  18. 2.73 km N of East Foothills, California · 8842 days ago · 2 km deep · 17 km away
  19. 2.93 km N of East Foothills, California · 8842 days ago · 0 km deep · 18 km away
  20. 1.66 km WSW of Gilroy, California · 8842 days ago · 5 km deep · 67 km away
  21. 1.98 km SE of San Juan Bautista, California · 8841 days ago · 3 km deep · 93 km away
  22. 2.05 km NNE of Milpitas, California · 8840 days ago · 0 km deep · 10 km away
  23. 2.10 km E of Concord, California · 8840 days ago · 13 km deep · 48 km away
  24. 1.77 km NE of San Juan Bautista, California · 8840 days ago · 9 km deep · 82 km away
  25. 1.74 km S of Gilroy, California · 8840 days ago · 0 km deep · 72 km away
  26. 2.04 km SSW of Gilroy, California · 8839 days ago · 7 km deep · 71 km away
  27. 1.52 km NE of San Ramon, California · 8838 days ago · 7 km deep · 26 km away
  28. 1.72 km NE of San Ramon, California · 8837 days ago · 8 km deep · 26 km away
  29. 1.94 km SE of Piedmont, California · 8837 days ago · 12 km deep · 38 km away
  30. 1.63 km NNW of Hollister, California · 8837 days ago · 8 km deep · 87 km away
  31. 1.72 km W of Ridgemark, California · 8837 days ago · 6 km deep · 94 km away
  32. 1.77 km E of East Foothills, California · 8837 days ago · 5 km deep · 25 km away
  33. 1.81 km NE of San Ramon, California · 8837 days ago · 7 km deep · 26 km away
  34. 1.91 km NE of San Ramon, California · 8837 days ago · 7 km deep · 26 km away
  35. 1.71 km NE of San Ramon, California · 8837 days ago · 7 km deep · 26 km away
  36. 1.92 km NE of San Ramon, California · 8836 days ago · 7 km deep · 26 km away
  37. 1.72 km NE of San Ramon, California · 8836 days ago · 8 km deep · 26 km away
  38. 1.72 km NE of San Ramon, California · 8836 days ago · 7 km deep · 26 km away
  39. 1.62 km NE of San Ramon, California · 8836 days ago · 7 km deep · 26 km away
  40. 1.5Northern California · 8836 days ago · 6 km deep · 26 km away
  41. 2.22 km E of Aromas, California · 8836 days ago · 7 km deep · 79 km away
  42. 1.75 km WSW of Broadmoor, California · 8836 days ago · 7 km deep · 59 km away
  43. 1.79 km ESE of Livermore, California · 8835 days ago · 1 km deep · 22 km away
  44. 1.57 km NE of San Juan Bautista, California · 8835 days ago · 9 km deep · 82 km away
  45. 1.65 km ESE of San Ramon, California · 8834 days ago · 7 km deep · 22 km away
  46. 1.73 km NNE of Day Valley, California · 8834 days ago · 15 km deep · 56 km away
  47. 1.71 km E of Aromas, California · 8834 days ago · 8 km deep · 79 km away
  48. 2.71 km ESE of Aromas, California · 8832 days ago · 8 km deep · 79 km away
  49. 1.67 km E of East Foothills, California · 8832 days ago · 6 km deep · 25 km away
  50. 1.54 km WSW of Highlands-Baywood Park, California · 8832 days ago · 2 km deep · 46 km away
  51. 1.92 km ESE of Aromas, California · 8831 days ago · 8 km deep · 79 km away
  52. 2.06 km NNE of Milpitas, California · 8830 days ago · 0 km deep · 10 km away
  53. 1.61 km NE of Pacifica, California · 8829 days ago · 7 km deep · 52 km away
  54. 2.13 km SSE of San Juan Bautista, California · 8829 days ago · 4 km deep · 88 km away
  55. 2.42 km SW of San Juan Bautista, California · 8827 days ago · 7 km deep · 86 km away
  56. 1.615 km E of Seven Trees, California · 8826 days ago · 2 km deep · 36 km away
  57. 1.74 km S of Diablo Grande, California · 8826 days ago · 7 km deep · 58 km away
  58. 1.97 km E of East Foothills, California · 8826 days ago · 7 km deep · 25 km away
  59. 1.93 km N of East Foothills, California · 8824 days ago · 1 km deep · 18 km away
  60. 1.75 km E of Alameda, California · 8819 days ago · 11 km deep · 37 km away

The first 60 of 119.

Before

  1. 1.96 km E of East Foothills, California · 8848 days ago · 4 km deep · 22 km away
  2. 1.63 km N of East Foothills, California · 8848 days ago · 1 km deep · 17 km away
  3. 2.03 km N of East Foothills, California · 8848 days ago · 1 km deep · 17 km away
  4. 1.88 km N of East Foothills, California · 8848 days ago · 6 km deep · 13 km away
  5. 1.83 km N of East Foothills, California · 8848 days ago · 0 km deep · 18 km away
  6. 1.72 km W of Ridgemark, California · 8849 days ago · 7 km deep · 94 km away
  7. 1.86 km SSW of Yountville, California · 8849 days ago · 8 km deep · 98 km away
  8. 2.315 km NE of East Foothills, California · 8850 days ago · 4 km deep · 20 km away
  9. 1.84 km WSW of Millbrae, California · 8850 days ago · 6 km deep · 49 km away
  10. 1.72 km W of Ridgemark, California · 8850 days ago · 6 km deep · 94 km away
  11. 1.92 km W of Lexington Hills, California · 8851 days ago · 12 km deep · 46 km away
  12. 1.96 km NNE of Milpitas, California · 8851 days ago · 0 km deep · 10 km away
  13. 1.910 km NNW of Hollister, California · 8852 days ago · 1 km deep · 79 km away
  14. 2.58 km ENE of San Martin, California · 8852 days ago · 7 km deep · 59 km away
  15. 2.28 km ENE of San Martin, California · 8853 days ago · 8 km deep · 58 km away
  16. 1.911 km NNE of Morgan Hill, California · 8853 days ago · 0 km deep · 43 km away
  17. 2.710 km NNW of Hollister, California · 8855 days ago · 2 km deep · 79 km away
  18. 1.78 km NNE of Milpitas, California · 8855 days ago · 3 km deep · 8 km away
  19. 1.814 km N of Morgan Hill, California · 8855 days ago · 6 km deep · 40 km away
  20. 1.52 km WSW of Ridgemark, California · 8855 days ago · 7 km deep · 95 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc21235623. Read Mon, Oct 5, 2026, 12:59 PM UTC.