California earthquakes

M1.6 earthquake 23 km ENE of Soledad, California

A magnitude 1.6 earthquake struck 23 km ENE of Soledad, California on Sun, Mar 20, 1983, 4:45 AM PST (12:45 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M6.7 The 1983 Coalinga, California Earthquake. 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
1983-03-20 12:45:37 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
36.525° N, 121.095° 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, 0.6 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
72°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 196 in the 60 days after this one and 82 in the 30 days before it.

After

  1. 1.922 km NE of Soledad, California · 15899 days ago · 7 km deep · 11 km away
  2. 1.61 km WSW of Hollister, California · 15899 days ago · 5 km deep · 46 km away
  3. 1.73 km SSE of San Juan Bautista, California · 15899 days ago · 3 km deep · 51 km away
  4. 1.71 km E of San Ardo, California · 15898 days ago · 10 km deep · 59 km away
  5. 1.81 km E of San Ardo, California · 15897 days ago · 10 km deep · 59 km away
  6. 1.825 km NE of Greenfield, CA · 15897 days ago · 5 km deep · 11 km away
  7. 1.910 km NE of Coalinga, California · 15896 days ago · 11 km deep · 82 km away
  8. 2.122 km NE of Soledad, California · 15896 days ago · 3 km deep · 10 km away
  9. 1.65 km SSW of Ridgemark, California · 15895 days ago · 9 km deep · 38 km away
  10. 1.621 km NW of Parkfield, California · 15894 days ago · 4 km deep · 70 km away
  11. 2.032 km WNW of San Simeon, California · 15894 days ago · 5 km deep · 89 km away
  12. 1.718 km SSE of Tres Pinos, California · 15893 days ago · 7 km deep · 17 km away
  13. 1.914 km E of Seven Trees, California · 15893 days ago · 2 km deep · 99 km away
  14. 1.516 km SSE of Tres Pinos, California · 15893 days ago · 9 km deep · 21 km away
  15. 1.636 km SSW of South Dos Palos, California · 15893 days ago · 7 km deep · 27 km away
  16. 2.16 km ENE of Big Sur, California · 15893 days ago · 13 km deep · 63 km away
  17. 1.537 km SSW of South Dos Palos, California · 15892 days ago · 3 km deep · 26 km away
  18. 2.311 km S of Tres Pinos, California · 15892 days ago · 3 km deep · 27 km away
  19. 3.137 km SSW of South Dos Palos, California · 15892 days ago · 6 km deep · 26 km away
  20. 2.037 km SSW of South Dos Palos, California · 15892 days ago · 6 km deep · 27 km away
  21. 1.610 km S of Tres Pinos, California · 15892 days ago · 2 km deep · 29 km away
  22. 1.937 km SSW of South Dos Palos, California · 15892 days ago · 4 km deep · 27 km away
  23. 1.617 km SSE of Tres Pinos, California · 15891 days ago · 6 km deep · 20 km away
  24. 3.437 km SSW of South Dos Palos, California · 15891 days ago · 7 km deep · 27 km away
  25. 2.237 km SSW of South Dos Palos, California · 15891 days ago · 6 km deep · 27 km away
  26. 2.437 km SSW of South Dos Palos, California · 15891 days ago · 3 km deep · 26 km away
  27. 1.837 km SSW of South Dos Palos, California · 15891 days ago · 7 km deep · 27 km away
  28. 2.027 km NE of Soledad, California · 15889 days ago · 8 km deep · 5 km away
  29. 1.638 km SSW of South Dos Palos, California · 15888 days ago · 6 km deep · 26 km away
  30. 2.321 km SSE of Tres Pinos, California · 15888 days ago · 4 km deep · 16 km away
  31. 2.637 km SSW of South Dos Palos, California · 15888 days ago · 7 km deep · 26 km away
  32. 2.520 km SSE of Tres Pinos, California · 15886 days ago · 8 km deep · 15 km away
  33. 1.637 km SSW of South Dos Palos, California · 15885 days ago · 1 km deep · 27 km away
  34. 2.033 km NE of San Lucas, California · 15885 days ago · 9 km deep · 33 km away
  35. 2.211 km WSW of Three Rocks, California · 15885 days ago · 12 km deep · 52 km away
  36. 1.820 km WSW of Greenfield, California · 15884 days ago · 20 km deep · 45 km away
  37. 2.323 km NE of San Lucas, California · 15884 days ago · 6 km deep · 31 km away
  38. 2.922 km NW of Parkfield, California · 15882 days ago · 5 km deep · 69 km away
  39. 1.634 km SW of South Dos Palos, California · 15881 days ago · 4 km deep · 28 km away
  40. 1.712 km WNW of Huron, California · 15881 days ago · 11 km deep · 83 km away
  41. 2.18 km ENE of San Martin, California · 15881 days ago · 4 km deep · 76 km away
  42. 1.911 km NW of Avenal, California · 15880 days ago · 10 km deep · 93 km away
  43. 2.024 km ENE of Soledad, California · 15880 days ago · 2 km deep · 4 km away
  44. 3.336 km WNW of San Simeon, California · 15880 days ago · 10 km deep · 99 km away
  45. 2.112 km S of Tres Pinos, California · 15880 days ago · 4 km deep · 25 km away
  46. 1.811 km NE of Coalinga, California · 15880 days ago · 10 km deep · 81 km away
  47. 1.914 km WNW of Huron, California · 15879 days ago · 12 km deep · 82 km away
  48. 2.017 km SSE of Tres Pinos, California · 15879 days ago · 5 km deep · 20 km away
  49. 2.410 km NW of Avenal, California · 15879 days ago · 8 km deep · 94 km away
  50. 2.211 km NW of Avenal, California · 15879 days ago · 10 km deep · 93 km away
  51. 2.07 km NNW of Avenal, California · 15879 days ago · 9 km deep · 98 km away
  52. 2.07 km NE of Ridgemark, California · 15879 days ago · 3 km deep · 41 km away
  53. 1.65 km SSW of Coalinga, California · 15877 days ago · 4 km deep · 79 km away
  54. 1.911 km S of Tres Pinos, California · 15877 days ago · 5 km deep · 25 km away
  55. 1.79 km NNE of Interlaken, California · 15877 days ago · 9 km deep · 77 km away
  56. 1.612 km SSE of Tres Pinos, California · 15877 days ago · 4 km deep · 24 km away
  57. 1.714 km SSE of Tres Pinos, California · 15877 days ago · 4 km deep · 23 km away
  58. 2.716 km SSE of Tres Pinos, California · 15877 days ago · 5 km deep · 21 km away
  59. 1.816 km SSE of Tres Pinos, California · 15877 days ago · 5 km deep · 21 km away
  60. 1.615 km SSE of Tres Pinos, California · 15876 days ago · 5 km deep · 21 km away

The first 60 of 196.

Before

  1. 1.99 km ENE of Gilroy, California · 15900 days ago · 9 km deep · 67 km away
  2. 1.936 km SSW of South Dos Palos, California · 15900 days ago · 6 km deep · 27 km away
  3. 2.416 km ENE of San Martin, California · 15900 days ago · 6 km deep · 78 km away
  4. 2.123 km W of Three Rocks, California · 15901 days ago · 9 km deep · 40 km away
  5. 1.524 km ENE of Greenfield, California · 15901 days ago · -1 km deep · 14 km away
  6. 2.137 km SSW of South Dos Palos, California · 15901 days ago · 6 km deep · 27 km away
  7. 1.815 km NW of Parkfield, California · 15902 days ago · 5 km deep · 76 km away
  8. 1.513 km S of Tres Pinos, California · 15902 days ago · 3 km deep · 24 km away
  9. 1.523 km ENE of Soledad, California · 15902 days ago · 3 km deep · 3 km away
  10. 1.723 km ENE of Soledad, California · 15902 days ago · 3 km deep · 3 km away
  11. 1.910 km N of Hollister, California · 15902 days ago · 9 km deep · 55 km away
  12. 1.622 km NE of Soledad, California · 15903 days ago · 6 km deep · 11 km away
  13. 1.731 km ENE of Soledad, California · 15904 days ago · 6 km deep · 9 km away
  14. 2.322 km ENE of Soledad, California · 15904 days ago · 3 km deep · 2 km away
  15. 1.83 km ESE of Tres Pinos, California · 15904 days ago · 7 km deep · 33 km away
  16. 2.034 km WNW of San Simeon, California · 15905 days ago · 2 km deep · 97 km away
  17. 1.937 km SSW of South Dos Palos, California · 15906 days ago · 6 km deep · 27 km away
  18. 2.021 km NE of Soledad, California · 15907 days ago · 7 km deep · 5 km away
  19. 1.735 km WSW of Three Rocks, California · 15907 days ago · 15 km deep · 31 km away
  20. 1.621 km SSE of Tres Pinos, California · 15908 days ago · 5 km deep · 15 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1089404. Read Tue, Sep 29, 2026, 12:25 PM UTC.