California earthquakes

M1.6 earthquake 16 km SSE of Livermore, California

A magnitude 1.6 earthquake struck 16 km SSE of Livermore, California on Thu, Dec 11, 1986, 8:07 PM PST (04:07 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M1.8 16 km SE of Livermore, California. 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), micro
Local time
UTC
1986-12-12 04:07:15 UTC
Depth
2.9 km (1.8 mi), shallow
Epicenter
37.561° N, 121.669° 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
±0.12
Depth from
From location
Station coverage gap
55°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 168 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.816 km SE of Livermore, California · 14530 days ago · 2 km deep · 0 km away
  2. 1.516 km SE of Livermore, California · 14530 days ago · 3 km deep · 0 km away
  3. 2.213 km N of Morgan Hill, California · 14529 days ago · 4 km deep · 34 km away
  4. 1.616 km SSE of Livermore, California · 14529 days ago · 3 km deep · 0 km away
  5. 3.3Northern California · 14529 days ago · 10 km deep · 95 km away
  6. 1.716 km SE of Livermore, California · 14529 days ago · 2 km deep · 0 km away
  7. 1.616 km SSE of Livermore, California · 14529 days ago · 3 km deep · 0 km away
  8. 3.116 km SSE of Livermore, California · 14529 days ago · 2 km deep · 0 km away
  9. 1.916 km SE of Livermore, California · 14528 days ago · 3 km deep · 0 km away
  10. 1.915 km SE of Livermore, California · 14528 days ago · 3 km deep · 0 km away
  11. 1.516 km SE of Livermore, California · 14528 days ago · 3 km deep · 0 km away
  12. 1.816 km SSE of Livermore, California · 14528 days ago · 2 km deep · 0 km away
  13. 1.616 km SSE of Livermore, California · 14527 days ago · 2 km deep · 0 km away
  14. 2.35 km SSW of Gilroy, California · 14527 days ago · 4 km deep · 67 km away
  15. 1.716 km SE of Livermore, California · 14527 days ago · 3 km deep · 1 km away
  16. 1.75 km N of Morgan Hill, California · 14527 days ago · 5 km deep · 42 km away
  17. 1.85 km N of Morgan Hill, California · 14527 days ago · 4 km deep · 42 km away
  18. 2.016 km SE of Livermore, California · 14527 days ago · 2 km deep · 1 km away
  19. 1.55 km SSE of Byron, California · 14526 days ago · 10 km deep · 30 km away
  20. 1.59 km SSW of Davenport, California · 14526 days ago · 1 km deep · 85 km away
  21. 2.3Northern California · 14526 days ago · 7 km deep · 77 km away
  22. 2.56 km NNE of Interlaken, California · 14524 days ago · 11 km deep · 62 km away
  23. 1.94 km SSE of Byron, California · 14524 days ago · 10 km deep · 30 km away
  24. 2.5Northern California · 14522 days ago · 9 km deep · 95 km away
  25. 1.716 km SSE of Livermore, California · 14522 days ago · 3 km deep · 0 km away
  26. 3.68 km N of East Foothills, California · 14522 days ago · 7 km deep · 17 km away
  27. 2.26 km NNE of Interlaken, California · 14522 days ago · 10 km deep · 62 km away
  28. 1.71 km N of Diablo, California · 14522 days ago · 14 km deep · 40 km away
  29. 1.715 km SE of Livermore, California · 14522 days ago · 4 km deep · 0 km away
  30. 2.17 km ENE of Napa, California · 14522 days ago · 4 km deep · 98 km away
  31. 1.86 km N of Green Valley, California · 14521 days ago · 10 km deep · 94 km away
  32. 1.816 km SE of Livermore, California · 14521 days ago · 2 km deep · 1 km away
  33. 2.016 km SSE of Livermore, California · 14520 days ago · 2 km deep · 0 km away
  34. 1.99 km NW of Broadmoor, California · 14520 days ago · 8 km deep · 81 km away
  35. 1.816 km SSE of Livermore, California · 14520 days ago · 2 km deep · 0 km away
  36. 1.53 km SE of Tres Pinos, California · 14519 days ago · 7 km deep · 94 km away
  37. 1.56 km NE of Hollister, California · 14519 days ago · 7 km deep · 80 km away
  38. 2.015 km SE of Livermore, California · 14517 days ago · 2 km deep · 1 km away
  39. 1.69 km NE of Milpitas, California · 14517 days ago · 7 km deep · 16 km away
  40. 2.910 km NW of Broadmoor, California · 14516 days ago · 9 km deep · 82 km away
  41. 2.4Northern California · 14516 days ago · 6 km deep · 6 km away
  42. 2.418 km NE of East Foothills, California · 14515 days ago · 6 km deep · 6 km away
  43. 2.35 km SSW of Gilroy, California · 14515 days ago · 4 km deep · 67 km away
  44. 1.88 km SE of San Juan Bautista, California · 14514 days ago · 3 km deep · 88 km away
  45. 1.71 km NE of East Richmond Heights, California · 14514 days ago · 8 km deep · 71 km away
  46. 1.81 km NE of East Richmond Heights, California · 14514 days ago · 8 km deep · 71 km away
  47. 1.610 km NW of Daly City, California · 14513 days ago · 10 km deep · 81 km away
  48. 4.08 km NNE of East Foothills, California · 14512 days ago · 7 km deep · 17 km away
  49. 2.38 km N of East Foothills, California · 14512 days ago · 6 km deep · 16 km away
  50. 1.97 km NNE of East Foothills, California · 14512 days ago · 7 km deep · 17 km away
  51. 1.97 km NNE of East Foothills, California · 14512 days ago · 7 km deep · 17 km away
  52. 1.68 km NNE of East Foothills, CA · 14512 days ago · 7 km deep · 17 km away
  53. 1.97 km NNE of East Foothills, California · 14512 days ago · 7 km deep · 17 km away
  54. 1.6Northern California · 14511 days ago · 7 km deep · 17 km away
  55. 1.517 km SE of Livermore, CA · 14511 days ago · 1 km deep · 1 km away
  56. 1.7Northern California · 14511 days ago · 7 km deep · 17 km away
  57. 2.1Northern California · 14511 days ago · 1 km deep · 1 km away
  58. 1.99 km E of Gilroy, California · 14511 days ago · 6 km deep · 64 km away
  59. 1.512 km ESE of Gilroy, California · 14510 days ago · 5 km deep · 69 km away
  60. 2.01 km W of Hollister, California · 14510 days ago · 5 km deep · 82 km away

The first 60 of 168.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc89996. Read Tue, Sep 22, 2026, 10:34 PM UTC.