California earthquakes

M1.5 earthquake 3 km ESE of Aromas, California

A magnitude 1.5 earthquake struck 3 km ESE of Aromas, California on Mon, Dec 19, 1983, 7:08 AM PST (15:08 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M5.1 14 km NW of Big Sur, 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
1.5 (md), micro
Local time
UTC
1983-12-19 15:08:04 UTC
Depth
6.2 km (3.9 mi), shallow
Epicenter
36.877° N, 121.608° 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 0.3 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
63°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 148 in the 60 days after this one and 55 in the 30 days before it.

After

  1. 1.95 km SSE of San Juan Bautista, California · 15625 days ago · 5 km deep · 12 km away
  2. 2.55 km SSE of San Juan Bautista, California · 15625 days ago · 5 km deep · 12 km away
  3. 1.924 km NE of Greenfield, California · 15624 days ago · 5 km deep · 69 km away
  4. 2.02 km ESE of Tres Pinos, California · 15623 days ago · 9 km deep · 30 km away
  5. 2.128 km E of Tres Pinos, California · 15622 days ago · 1 km deep · 55 km away
  6. 1.824 km ENE of Soledad, California · 15622 days ago · 3 km deep · 64 km away
  7. 1.88 km SE of San Juan Bautista, California · 15622 days ago · 4 km deep · 15 km away
  8. 1.73 km NNE of Interlaken, California · 15621 days ago · 11 km deep · 15 km away
  9. 2.32 km W of Portola Valley, California · 15621 days ago · 8 km deep · 81 km away
  10. 2.02 km W of Portola Valley, California · 15621 days ago · 9 km deep · 80 km away
  11. 1.62 km W of Portola Valley, California · 15621 days ago · 9 km deep · 81 km away
  12. 1.72 km W of Portola Valley, California · 15621 days ago · 8 km deep · 81 km away
  13. 1.72 km NNE of Union City, California · 15621 days ago · 4 km deep · 89 km away
  14. 2.023 km ENE of Soledad, California · 15620 days ago · 4 km deep · 63 km away
  15. 1.62 km W of Portola Valley, California · 15620 days ago · 8 km deep · 81 km away
  16. 2.02 km WSW of Portola Valley, California · 15620 days ago · 8 km deep · 81 km away
  17. 2.19 km NE of Gilroy, California · 15619 days ago · 8 km deep · 23 km away
  18. 2.29 km NE of Gilroy, California · 15618 days ago · 8 km deep · 23 km away
  19. 1.924 km NE of Greenfield, California · 15618 days ago · 2 km deep · 67 km away
  20. 2.724 km NE of Greenfield, California · 15618 days ago · 3 km deep · 67 km away
  21. 1.74 km SSW of Hollister, California · 15617 days ago · 6 km deep · 18 km away
  22. 1.921 km NE of Soledad, California · 15617 days ago · 4 km deep · 56 km away
  23. 2.721 km NE of Soledad, California · 15617 days ago · 5 km deep · 56 km away
  24. 2.216 km N of Morgan Hill, California · 15615 days ago · 5 km deep · 45 km away
  25. 2.324 km ENE of Greenfield, California · 15615 days ago · 6 km deep · 75 km away
  26. 2.114 km SSE of Tres Pinos, California · 15614 days ago · 5 km deep · 38 km away
  27. 1.520 km SSW of Los Banos, California · 15614 days ago · 2 km deep · 63 km away
  28. 3.09 km NE of Gilroy, California · 15613 days ago · 6 km deep · 23 km away
  29. 2.522 km NNE of Soledad, California · 15612 days ago · 7 km deep · 48 km away
  30. 2.61 km WNW of Hollister, California · 15611 days ago · 5 km deep · 17 km away
  31. 2.023 km SE of Big Sur, California · 15611 days ago · 11 km deep · 82 km away
  32. 2.52 km ESE of Aromas, California · 15611 days ago · 6 km deep · 0 km away
  33. 1.923 km NE of King City, California · 15609 days ago · 4 km deep · 83 km away
  34. 1.69 km SSW of Tres Pinos, California · 15609 days ago · 3 km deep · 29 km away
  35. 3.37 km ESE of East Foothills, California · 15609 days ago · 6 km deep · 56 km away
  36. 2.124 km NE of Greenfield, California · 15609 days ago · 4 km deep · 67 km away
  37. 1.66 km ESE of East Foothills, California · 15609 days ago · 1 km deep · 55 km away
  38. 1.613 km S of Tres Pinos, California · 15609 days ago · 4 km deep · 36 km away
  39. 2.55 km NNW of East Foothills, California · 15608 days ago · 2 km deep · 64 km away
  40. 2.75 km NNW of East Foothills, California · 15608 days ago · 1 km deep · 65 km away
  41. 1.926 km SE of Tres Pinos, California · 15607 days ago · 17 km deep · 52 km away
  42. 1.96 km ENE of East Foothills, California · 15607 days ago · 8 km deep · 61 km away
  43. 2.421 km NE of Soledad, California · 15606 days ago · 5 km deep · 51 km away
  44. 2.234 km SW of South Dos Palos, California · 15605 days ago · 0 km deep · 67 km away
  45. 1.726 km SE of Big Sur, California · 15605 days ago · 13 km deep · 84 km away
  46. 1.524 km ENE of Soledad, California · 15605 days ago · 3 km deep · 62 km away
  47. 2.017 km SSE of Tres Pinos, California · 15605 days ago · 7 km deep · 41 km away
  48. 2.38 km ESE of East Foothills, California · 15604 days ago · 7 km deep · 55 km away
  49. 2.17 km NE of San Martin, California · 15604 days ago · 3 km deep · 30 km away
  50. 3.26 km ESE of East Foothills, California · 15603 days ago · 1 km deep · 54 km away
  51. 1.67 km ESE of East Foothills, California · 15603 days ago · 0 km deep · 55 km away
  52. 1.96 km ESE of Big Sur, California · 15602 days ago · 12 km deep · 70 km away
  53. 1.66 km ESE of Fremont, California · 15602 days ago · 6 km deep · 78 km away
  54. 2.713 km N of Morgan Hill, California · 15601 days ago · 5 km deep · 42 km away
  55. 2.88 km ENE of Morgan Hill, California · 15600 days ago · 2 km deep · 32 km away
  56. 2.2Central California · 15599 days ago · 5 km deep · 51 km away
  57. 1.95 km WSW of Gilroy, California · 15599 days ago · 6 km deep · 12 km away
  58. 2.16 km WSW of Gilroy, California · 15597 days ago · 5 km deep · 12 km away
  59. 2.94 km SE of Aromas, California · 15597 days ago · 8 km deep · 2 km away
  60. 2.7Central California · 15597 days ago · 8 km deep · 2 km away

The first 60 of 148.

Before

  1. 1.636 km SSW of South Dos Palos, California · 15628 days ago · 4 km deep · 71 km away
  2. 2.036 km SSW of South Dos Palos, California · 15628 days ago · 6 km deep · 72 km away
  3. 1.87 km WSW of Gilroy, California · 15628 days ago · 4 km deep · 11 km away
  4. 3.28 km ENE of Gilroy, California · 15629 days ago · 8 km deep · 21 km away
  5. 2.122 km SSE of Big Sur, California · 15629 days ago · 17 km deep · 90 km away
  6. 2.424 km ENE of Soledad, California · 15629 days ago · 2 km deep · 64 km away
  7. 2.4Central California · 15631 days ago · 7 km deep · 68 km away
  8. 2.121 km NE of Soledad, California · 15631 days ago · 6 km deep · 56 km away
  9. 1.721 km NE of Soledad, California · 15631 days ago · 4 km deep · 56 km away
  10. 2.72 km S of San Juan Bautista, California · 15631 days ago · 6 km deep · 9 km away
  11. 2.02 km S of San Juan Bautista, California · 15632 days ago · 6 km deep · 9 km away
  12. 3.41 km ENE of Ridgemark, California · 15632 days ago · 5 km deep · 24 km away
  13. 2.16 km E of East Foothills, California · 15633 days ago · 6 km deep · 58 km away
  14. 1.921 km SSE of Tres Pinos, California · 15634 days ago · 5 km deep · 45 km away
  15. 2.721 km SSE of Tres Pinos, California · 15634 days ago · 6 km deep · 45 km away
  16. 2.010 km SSE of Livermore, California · 15635 days ago · 5 km deep · 81 km away
  17. 2.110 km S of Tres Pinos, California · 15635 days ago · 5 km deep · 33 km away
  18. 1.910 km S of Tres Pinos, California · 15635 days ago · 5 km deep · 33 km away
  19. 2.310 km S of Tres Pinos, California · 15635 days ago · 4 km deep · 32 km away
  20. 2.410 km ESE of East Foothills, California · 15636 days ago · 8 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1108710. Read Wed, Sep 30, 2026, 11:00 PM UTC.