California earthquakes

M2.6 earthquake 6 km ESE of Sunol, California

A magnitude 2.6 earthquake struck 6 km ESE of Sunol, California on Mon, May 9, 1983, 8:51 AM PDT (15:51 UTC), 10 km (7 mi) below the surface.

A larger quake followed: M3.8 3 km N of Ashland, 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.

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The earthquake

Magnitude
2.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1983-05-09 15:51:29 UTC
Depth
10.5 km (6.5 mi), shallow
Epicenter
37.581° N, 121.818° 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, 0.4 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
63°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 96 in the 60 days after this one and 51 in the 30 days before it.

After

  1. 1.63 km NNW of Hollister, California · 15851 days ago · 6 km deep · 85 km away
  2. 1.79 km NNW of Hollister, California · 15850 days ago · 4 km deep · 80 km away
  3. 2.13 km W of Orinda, California · 15849 days ago · 14 km deep · 48 km away
  4. 1.64 km SSW of Clayton, California · 15849 days ago · 11 km deep · 38 km away
  5. 2.310 km ESE of East Foothills, California · 15846 days ago · 8 km deep · 28 km away
  6. 2.17 km NE of Hollister, California · 15844 days ago · 6 km deep · 88 km away
  7. 1.67 km SE of Alum Rock, California · 15844 days ago · 8 km deep · 29 km away
  8. 3.66 km SE of Alum Rock, California · 15844 days ago · 8 km deep · 29 km away
  9. 1.86 km SE of Alum Rock, California · 15844 days ago · 8 km deep · 29 km away
  10. 1.68 km ENE of San Martin, California · 15842 days ago · 5 km deep · 59 km away
  11. 2.42 km N of Kensington, California · 15842 days ago · 10 km deep · 56 km away
  12. 2.24 km SSE of San Juan Bautista, California · 15842 days ago · 3 km deep · 90 km away
  13. 1.64 km SW of Ridgemark, California · 15840 days ago · 4 km deep · 96 km away
  14. 1.64 km E of Seven Trees, California · 15839 days ago · 3 km deep · 32 km away
  15. 1.91 km W of American Canyon, California · 15838 days ago · 4 km deep · 77 km away
  16. 1.811 km NNW of Boulder Creek, California · 15837 days ago · 7 km deep · 50 km away
  17. 1.810 km E of Blackhawk, California · 15836 days ago · 14 km deep · 28 km away
  18. 1.79 km ESE of Prunedale, California · 15833 days ago · 10 km deep · 96 km away
  19. 2.06 km ESE of East Foothills, California · 15833 days ago · 2 km deep · 25 km away
  20. 1.80 km WSW of Castro Valley, California · 15832 days ago · 3 km deep · 27 km away
  21. 1.84 km SE of Tracy, California · 15831 days ago · 12 km deep · 40 km away
  22. 1.74 km S of San Juan Bautista, California · 15831 days ago · 10 km deep · 90 km away
  23. 3.05 km NE of Fairview, California · 15830 days ago · 9 km deep · 22 km away
  24. 3.83 km N of Ashland, California · 15828 days ago · 5 km deep · 31 km away
  25. 1.89 km E of San Martin, California · 15828 days ago · 9 km deep · 61 km away
  26. 2.33 km N of Ashland, California · 15828 days ago · 5 km deep · 30 km away
  27. 3.51 km ENE of Pittsburg, California · 15827 days ago · 17 km deep · 51 km away
  28. 1.76 km SSW of Ridgemark, California · 15827 days ago · 10 km deep · 99 km away
  29. 1.56 km ENE of East Foothills, California · 15826 days ago · 6 km deep · 20 km away
  30. 1.83 km N of Ashland, California · 15826 days ago · 5 km deep · 31 km away
  31. 1.9Northern California · 15825 days ago · 3 km deep · 58 km away
  32. 2.39 km N of Pittsburg, California · 15823 days ago · 20 km deep · 60 km away
  33. 3.112 km N of Pittsburg, California · 15823 days ago · 17 km deep · 62 km away
  34. 1.86 km SSW of Ridgemark, California · 15822 days ago · 10 km deep · 99 km away
  35. 1.76 km SSW of Ridgemark, California · 15822 days ago · 10 km deep · 98 km away
  36. 2.114 km N of Morgan Hill, California · 15822 days ago · 3 km deep · 39 km away
  37. 1.820 km NW of Diablo Grande, California · 15822 days ago · 2 km deep · 35 km away
  38. 1.78 km E of San Martin, California · 15821 days ago · 0 km deep · 60 km away
  39. 2.45 km NE of Morgan Hill, California · 15820 days ago · 4 km deep · 50 km away
  40. 1.96 km SSE of Gilroy, California · 15818 days ago · 5 km deep · 74 km away
  41. 1.710 km SE of Sunol, California · 15818 days ago · 5 km deep · 5 km away
  42. 1.89 km ENE of Morgan Hill, California · 15818 days ago · 6 km deep · 53 km away
  43. 2.56 km SW of Moraga, California · 15817 days ago · 6 km deep · 39 km away
  44. 1.921 km NE of East Foothills, California · 15817 days ago · 5 km deep · 20 km away
  45. 2.12 km WSW of Stevinson, California · 15816 days ago · 0 km deep · 88 km away
  46. 1.911 km ESE of East Foothills, California · 15816 days ago · 6 km deep · 29 km away
  47. 1.86 km ENE of Sunol, California · 15816 days ago · 13 km deep · 4 km away
  48. 1.910 km S of Muir Beach, California · 15816 days ago · 11 km deep · 68 km away
  49. 1.6Northern California · 15816 days ago · 2 km deep · 14 km away
  50. 2.016 km SE of Livermore, CA · 15816 days ago · 2 km deep · 14 km away
  51. 2.011 km ENE of Morgan Hill, California · 15816 days ago · 4 km deep · 52 km away
  52. 2.416 km NE of East Foothills, California · 15814 days ago · 6 km deep · 15 km away
  53. 1.95 km SSW of Ridgemark, California · 15814 days ago · 11 km deep · 98 km away
  54. 1.61 km W of Pleasant Hill, California · 15814 days ago · 12 km deep · 46 km away
  55. 1.79 km N of East Foothills, California · 15813 days ago · 6 km deep · 13 km away
  56. 2.44 km W of San Juan Bautista, California · 15812 days ago · 9 km deep · 84 km away
  57. 1.92 km NE of Pacheco, California · 15812 days ago · 15 km deep · 51 km away
  58. 2.40 km WSW of Rollingwood, California · 15811 days ago · 5 km deep · 62 km away
  59. 1.65 km WSW of Gilroy, California · 15810 days ago · 2 km deep · 69 km away
  60. 1.621 km E of East Foothills, California · 15810 days ago · 7 km deep · 28 km away

The first 60 of 96.

Before

  1. 2.21 km ESE of Country Club, California · 15855 days ago · 6 km deep · 61 km away
  2. 3.211 km SW of Brentwood, California · 15855 days ago · 17 km deep · 30 km away
  3. 1.716 km ENE of East Foothills, California · 15855 days ago · 5 km deep · 24 km away
  4. 2.34 km SSE of San Juan Bautista, California · 15856 days ago · 6 km deep · 90 km away
  5. 1.66 km SSE of San Juan Bautista, California · 15856 days ago · 6 km deep · 92 km away
  6. 2.1Northern California · 15856 days ago · 16 km deep · 48 km away
  7. 2.43 km ESE of Berkeley, California · 15857 days ago · 6 km deep · 48 km away
  8. 1.77 km SSE of San Juan Bautista, California · 15857 days ago · 6 km deep · 93 km away
  9. 1.7Northern California · 15857 days ago · 3 km deep · 54 km away
  10. 1.910 km ESE of Blackhawk, California · 15857 days ago · 2 km deep · 22 km away
  11. 1.57 km NNE of East Foothills, California · 15858 days ago · 7 km deep · 16 km away
  12. 2.66 km SSE of San Juan Bautista, California · 15859 days ago · 6 km deep · 92 km away
  13. 2.06 km SSE of San Juan Bautista, California · 15859 days ago · 6 km deep · 92 km away
  14. 3.96 km S of San Juan Bautista, California · 15860 days ago · 4 km deep · 92 km away
  15. 2.812 km ESE of East Foothills, California · 15860 days ago · 7 km deep · 30 km away
  16. 2.411 km ESE of East Foothills, California · 15860 days ago · 7 km deep · 29 km away
  17. 3.59 km NE of Gilroy, California · 15861 days ago · 8 km deep · 65 km away
  18. 1.76 km WSW of Gilroy, California · 15861 days ago · 8 km deep · 68 km away
  19. 2.510 km NE of San Martin, California · 15861 days ago · 8 km deep · 53 km away
  20. 1.86 km E of Livermore, California · 15862 days ago · 4 km deep · 15 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1093851. Read Sun, Oct 4, 2026, 7:52 AM UTC.