California earthquakes

M2.3 earthquake 2 km N of Aromas, California

A magnitude 2.3 earthquake struck 2 km N of Aromas, California on Thu, Sep 8, 1983, 6:24 AM PDT (13:24 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.6 12 km ESE of East Foothills, California. This one was a foreshock.

Aromas 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
2.3 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1983-09-08 13:24:57 UTC
Depth
6.7 km (4.1 mi), shallow
Epicenter
36.907° N, 121.641° 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
36°
Stations used
63

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 118 in the 60 days after this one and 76 in the 30 days before it.

After

  1. 3.03 km W of Livermore, California · 15730 days ago · 16 km deep · 87 km away
  2. 2.031 km ENE of Soledad, California · 15729 days ago · 4 km deep · 70 km away
  3. 3.216 km N of Morgan Hill, California · 15729 days ago · 9 km deep · 41 km away
  4. 1.712 km S of Tres Pinos, California · 15728 days ago · 3 km deep · 39 km away
  5. 2.18 km ENE of Gilroy, California · 15728 days ago · 8 km deep · 21 km away
  6. 1.62 km SW of San Juan Bautista, California · 15727 days ago · 8 km deep · 11 km away
  7. 1.81 km SW of Hillsborough, California · 15727 days ago · 7 km deep · 99 km away
  8. 2.226 km ESE of Big Sur, California · 15726 days ago · 5 km deep · 84 km away
  9. 1.62 km SSW of Hollister, California · 15726 days ago · 7 km deep · 22 km away
  10. 1.73 km W of Livermore, California · 15726 days ago · 14 km deep · 87 km away
  11. 1.58 km ENE of San Martin, California · 15726 days ago · 7 km deep · 26 km away
  12. 2.011 km S of Tres Pinos, California · 15725 days ago · 4 km deep · 38 km away
  13. 2.133 km WNW of Three Rocks, California · 15722 days ago · 4 km deep · 87 km away
  14. 1.822 km NE of Hollister, California · 15722 days ago · 0 km deep · 38 km away
  15. 1.731 km NE of Soledad, California · 15722 days ago · 9 km deep · 62 km away
  16. 2.36 km SW of Loyola, California · 15721 days ago · 7 km deep · 63 km away
  17. 1.82 km SSW of Fairview, California · 15721 days ago · 5 km deep · 91 km away
  18. 2.421 km NE of Soledad, California · 15721 days ago · 6 km deep · 58 km away
  19. 1.55 km SSW of Gilroy, California · 15720 days ago · 7 km deep · 8 km away
  20. 2.221 km NE of Soledad, California · 15719 days ago · 5 km deep · 61 km away
  21. 2.231 km ENE of Soledad, California · 15719 days ago · 9 km deep · 66 km away
  22. 1.8Central California · 15719 days ago · 8 km deep · 66 km away
  23. 2.031 km ENE of Soledad, California · 15719 days ago · 8 km deep · 67 km away
  24. 2.137 km ENE of Greenfield, California · 15719 days ago · 12 km deep · 80 km away
  25. 2.513 km E of Seven Trees, California · 15718 days ago · 3 km deep · 43 km away
  26. 1.625 km NE of Greenfield, California · 15717 days ago · 1 km deep · 76 km away
  27. 2.622 km ENE of Soledad, California · 15717 days ago · 4 km deep · 65 km away
  28. 1.922 km ENE of Soledad, California · 15717 days ago · 4 km deep · 65 km away
  29. 2.121 km SSE of Tres Pinos, California · 15717 days ago · 4 km deep · 49 km away
  30. 2.122 km NNE of Soledad, California · 15716 days ago · 8 km deep · 51 km away
  31. 1.66 km NNE of San Juan Bautista, California · 15716 days ago · 5 km deep · 13 km away
  32. 1.57 km NE of Aromas, California · 15715 days ago · 6 km deep · 6 km away
  33. 1.621 km NE of Soledad, California · 15715 days ago · 2 km deep · 54 km away
  34. 1.85 km WSW of Cupertino, California · 15715 days ago · 5 km deep · 59 km away
  35. 1.54 km WSW of Cupertino, California · 15715 days ago · 5 km deep · 59 km away
  36. 2.021 km SW of Diablo Grande, California · 15714 days ago · 0 km deep · 45 km away
  37. 2.521 km NE of Soledad, California · 15713 days ago · 7 km deep · 58 km away
  38. 1.821 km NE of Soledad, California · 15713 days ago · 6 km deep · 58 km away
  39. 2.219 km SSE of Tres Pinos, California · 15713 days ago · 4 km deep · 47 km away
  40. 1.526 km ENE of Soledad, California · 15713 days ago · 6 km deep · 67 km away
  41. 2.121 km NE of Soledad, California · 15712 days ago · 7 km deep · 58 km away
  42. 1.828 km NE of Greenfield, California · 15712 days ago · 6 km deep · 76 km away
  43. 1.937 km SSW of South Dos Palos, California · 15712 days ago · 5 km deep · 74 km away
  44. 3.58 km ENE of Gilroy, California · 15712 days ago · 7 km deep · 21 km away
  45. 1.55 km SW of Ridgemark, California · 15712 days ago · 10 km deep · 26 km away
  46. 2.026 km ENE of Soledad, California · 15712 days ago · 4 km deep · 67 km away
  47. 1.79 km NE of Gilroy, California · 15710 days ago · 8 km deep · 22 km away
  48. 2.124 km WSW of Volta, California · 15710 days ago · 0 km deep · 43 km away
  49. 2.638 km SSW of South Dos Palos, California · 15710 days ago · 4 km deep · 80 km away
  50. 3.237 km SSW of South Dos Palos, California · 15710 days ago · -1 km deep · 81 km away
  51. 2.138 km SSW of South Dos Palos, California · 15710 days ago · 5 km deep · 80 km away
  52. 2.539 km SSW of South Dos Palos, California · 15709 days ago · 3 km deep · 80 km away
  53. 2.139 km SSW of South Dos Palos, California · 15709 days ago · 4 km deep · 80 km away
  54. 1.724 km NE of Greenfield, California · 15709 days ago · 7 km deep · 72 km away
  55. 1.99 km ESE of East Foothills, California · 15709 days ago · 0 km deep · 49 km away
  56. 1.536 km WSW of Mendota, California · 15708 days ago · 3 km deep · 83 km away
  57. 1.636 km SSW of South Dos Palos, California · 15707 days ago · 6 km deep · 79 km away
  58. 1.538 km SSW of South Dos Palos, California · 15706 days ago · 4 km deep · 79 km away
  59. 1.514 km SSE of Livermore, California · 15706 days ago · 8 km deep · 74 km away
  60. 3.24 km SSE of San Juan Bautista, California · 15705 days ago · 6 km deep · 15 km away

The first 60 of 118.

Before

  1. 1.714 km E of Seven Trees, California · 15733 days ago · 2 km deep · 43 km away
  2. 2.03 km S of San Juan Bautista, California · 15734 days ago · 4 km deep · 14 km away
  3. 2.03 km ENE of Fremont, California · 15735 days ago · 5 km deep · 78 km away
  4. 1.624 km NE of Greenfield, California · 15736 days ago · 5 km deep · 70 km away
  5. 1.616 km SSE of Tres Pinos, California · 15736 days ago · 5 km deep · 44 km away
  6. 2.69 km NE of Gilroy, California · 15736 days ago · 8 km deep · 21 km away
  7. 2.316 km SSE of Tres Pinos, California · 15736 days ago · 5 km deep · 44 km away
  8. 1.64 km S of San Juan Bautista, California · 15738 days ago · 6 km deep · 15 km away
  9. 1.69 km ENE of Milpitas, California · 15738 days ago · 7 km deep · 65 km away
  10. 2.224 km ENE of Greenfield, California · 15738 days ago · 5 km deep · 77 km away
  11. 2.523 km WNW of Three Rocks, California · 15739 days ago · 10 km deep · 97 km away
  12. 1.517 km SW of King City, California · 15741 days ago · 1 km deep · 94 km away
  13. 2.119 km SSE of Tres Pinos, California · 15741 days ago · 5 km deep · 48 km away
  14. 1.911 km S of Tres Pinos, California · 15741 days ago · 3 km deep · 38 km away
  15. 2.63 km SSE of San Juan Bautista, California · 15742 days ago · 4 km deep · 15 km away
  16. 2.924 km NE of Greenfield, California · 15743 days ago · 1 km deep · 72 km away
  17. 2.15 km SSW of Ridgemark, California · 15743 days ago · 9 km deep · 28 km away
  18. 2.229 km ENE of Soledad, California · 15743 days ago · 5 km deep · 66 km away
  19. 2.118 km ESE of Livermore, California · 15744 days ago · 4 km deep · 76 km away
  20. 1.615 km ESE of Tres Pinos, California · 15744 days ago · 9 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1102170. Read Fri, Oct 2, 2026, 10:35 PM UTC.