California earthquakes

M1.9 earthquake 5 km ESE of Aromas, California

A magnitude 1.9 earthquake struck 5 km ESE of Aromas, California on Thu, Nov 27, 1986, 6:55 AM PST (14:55 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.8 24 km NE of Greenfield, 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
1.9 (md), micro
Local time
UTC
1986-11-27 14:55:10 UTC
Depth
5.9 km (3.7 mi), shallow
Epicenter
36.863° N, 121.595° 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, 0.3 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
50°
Stations used
47

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 172 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.824 km NE of Greenfield, California · 14532 days ago · 7 km deep · 67 km away
  2. 2.613 km NE of East Foothills, California · 14532 days ago · 9 km deep · 69 km away
  3. 1.81 km ESE of Davenport, California · 14532 days ago · 4 km deep · 54 km away
  4. 1.624 km NE of Greenfield, California · 14531 days ago · 5 km deep · 67 km away
  5. 1.716 km SSE of Livermore, California · 14531 days ago · 2 km deep · 78 km away
  6. 2.024 km NE of Greenfield, California · 14531 days ago · 5 km deep · 67 km away
  7. 1.69 km NNE of Hollister, California · 14530 days ago · 7 km deep · 23 km away
  8. 3.016 km SSE of Livermore, California · 14530 days ago · 2 km deep · 78 km away
  9. 1.726 km W of Volta, California · 14530 days ago · 4 km deep · 41 km away
  10. 2.218 km NE of East Foothills, California · 14530 days ago · 6 km deep · 73 km away
  11. 1.924 km NE of Greenfield, California · 14530 days ago · 5 km deep · 67 km away
  12. 2.05 km SW of Gilroy, California · 14530 days ago · 4 km deep · 12 km away
  13. 4.116 km SSE of Livermore, California · 14530 days ago · 2 km deep · 78 km away
  14. 1.916 km SE of Livermore, California · 14530 days ago · 2 km deep · 78 km away
  15. 1.816 km SSE of Livermore, California · 14530 days ago · 3 km deep · 78 km away
  16. 2.016 km SSE of Livermore, California · 14530 days ago · 3 km deep · 78 km away
  17. 2.016 km SSE of Livermore, California · 14530 days ago · 2 km deep · 78 km away
  18. 2.715 km SSE of Livermore, California · 14530 days ago · 2 km deep · 78 km away
  19. 2.216 km SSE of Livermore, California · 14530 days ago · 2 km deep · 78 km away
  20. 2.23 km SSE of San Juan Bautista, California · 14530 days ago · 4 km deep · 8 km away
  21. 1.58 km ENE of Hollister, California · 14530 days ago · 6 km deep · 25 km away
  22. 2.616 km SSE of Livermore, California · 14530 days ago · 2 km deep · 78 km away
  23. 3.316 km SE of Livermore, California · 14530 days ago · 3 km deep · 78 km away
  24. 1.916 km SE of Livermore, California · 14529 days ago · 2 km deep · 78 km away
  25. 1.515 km SSE of Livermore, California · 14529 days ago · 3 km deep · 78 km away
  26. 2.316 km SE of Livermore, California · 14529 days ago · 2 km deep · 78 km away
  27. 1.616 km SSE of Livermore, California · 14529 days ago · 3 km deep · 78 km away
  28. 2.05 km NNE of Tres Pinos, California · 14529 days ago · 6 km deep · 27 km away
  29. 1.816 km SE of Livermore, California · 14529 days ago · 2 km deep · 78 km away
  30. 1.516 km SE of Livermore, California · 14529 days ago · 3 km deep · 78 km away
  31. 2.213 km N of Morgan Hill, California · 14529 days ago · 4 km deep · 44 km away
  32. 1.616 km SSE of Livermore, California · 14528 days ago · 3 km deep · 78 km away
  33. 1.716 km SE of Livermore, California · 14528 days ago · 2 km deep · 78 km away
  34. 1.616 km SSE of Livermore, California · 14528 days ago · 3 km deep · 78 km away
  35. 3.116 km SSE of Livermore, California · 14528 days ago · 2 km deep · 78 km away
  36. 1.916 km SE of Livermore, California · 14528 days ago · 3 km deep · 78 km away
  37. 2.121 km NE of Soledad, California · 14528 days ago · 3 km deep · 51 km away
  38. 1.915 km SE of Livermore, California · 14528 days ago · 3 km deep · 78 km away
  39. 1.524 km NE of Greenfield, California · 14528 days ago · 5 km deep · 67 km away
  40. 1.624 km NE of Soledad, California · 14527 days ago · 8 km deep · 53 km away
  41. 1.922 km NNE of Soledad, California · 14527 days ago · 2 km deep · 45 km away
  42. 1.822 km SSE of Tres Pinos, California · 14527 days ago · 2 km deep · 45 km away
  43. 1.516 km SE of Livermore, California · 14527 days ago · 3 km deep · 78 km away
  44. 1.816 km SSE of Livermore, California · 14527 days ago · 2 km deep · 78 km away
  45. 1.616 km SSE of Livermore, California · 14527 days ago · 2 km deep · 77 km away
  46. 2.35 km SSW of Gilroy, California · 14527 days ago · 4 km deep · 11 km away
  47. 1.716 km SE of Livermore, California · 14527 days ago · 3 km deep · 78 km away
  48. 1.75 km N of Morgan Hill, California · 14526 days ago · 5 km deep · 36 km away
  49. 1.724 km NE of Greenfield, California · 14526 days ago · 5 km deep · 67 km away
  50. 1.85 km N of Morgan Hill, California · 14526 days ago · 4 km deep · 36 km away
  51. 2.016 km SE of Livermore, California · 14526 days ago · 2 km deep · 78 km away
  52. 1.731 km ENE of Soledad, California · 14526 days ago · 9 km deep · 62 km away
  53. 1.822 km SSW of Los Banos, California · 14525 days ago · 0 km deep · 58 km away
  54. 1.59 km SSW of Davenport, California · 14525 days ago · 1 km deep · 56 km away
  55. 2.426 km SE of Big Sur, California · 14525 days ago · 16 km deep · 84 km away
  56. 1.519 km SSE of Tres Pinos, California · 14525 days ago · 8 km deep · 41 km away
  57. 2.815 km SSE of Tres Pinos, California · 14525 days ago · 3 km deep · 37 km away
  58. 2.56 km NNE of Interlaken, California · 14524 days ago · 11 km deep · 19 km away
  59. 1.623 km ENE of Soledad, California · 14524 days ago · 4 km deep · 62 km away
  60. 1.716 km SSE of Livermore, California · 14522 days ago · 3 km deep · 78 km away

The first 60 of 172.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc88809. Read Tue, Sep 22, 2026, 11:36 AM UTC.