California earthquakes

M1.6 earthquake 29 km SW of Three Rocks, California

A magnitude 1.6 earthquake struck 29 km SW of Three Rocks, California on Mon, Jul 4, 1983, 1:23 AM PDT (08:23 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M5.4 11 km NNW of Coalinga, California. This one was a foreshock.

Coalinga forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (md), micro
Local time
UTC
1983-07-04 08:23:47 UTC
Depth
11.1 km (6.9 mi), shallow
Epicenter
36.326° N, 120.633° 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 1.8 km horizontally, 3.2 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
179°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 197 in the 30 days before it.

After

  1. 2.712 km SW of Huron, California · 15795 days ago · 8 km deep · 43 km away
  2. 2.223 km NE of Greenfield, California · 15795 days ago · 5 km deep · 40 km away
  3. 1.711 km SW of Huron, California · 15794 days ago · 7 km deep · 44 km away
  4. 2.22 km SW of San Juan Bautista, California · 15794 days ago · 7 km deep · 100 km away
  5. 1.610 km WSW of Huron, California · 15794 days ago · 10 km deep · 43 km away
  6. 1.87 km NE of Coalinga, California · 15794 days ago · 8 km deep · 35 km away
  7. 2.814 km N of Coalinga, California · 15794 days ago · 9 km deep · 25 km away
  8. 3.419 km S of Cantua Creek, California · 15794 days ago · 2 km deep · 26 km away
  9. 2.513 km NNW of Coalinga, California · 15794 days ago · 12 km deep · 22 km away
  10. 2.011 km E of Coalinga, California · 15794 days ago · 7 km deep · 42 km away
  11. 2.219 km S of Cantua Creek, California · 15794 days ago · 0 km deep · 25 km away
  12. 1.724 km NE of Greenfield, California · 15794 days ago · 5 km deep · 37 km away
  13. 1.724 km ESE of Big Sur, California · 15793 days ago · 6 km deep · 87 km away
  14. 3.418 km S of Cantua Creek, California · 15793 days ago · 5 km deep · 27 km away
  15. 2.322 km NNW of Lost Hills, California · 15793 days ago · 0 km deep · 94 km away
  16. 2.36 km NE of Coalinga, California · 15793 days ago · 8 km deep · 34 km away
  17. 2.318 km S of Cantua Creek, California · 15793 days ago · 3 km deep · 26 km away
  18. 1.87 km N of Coalinga, California · 15793 days ago · 7 km deep · 29 km away
  19. 3.011 km E of Coalinga, California · 15793 days ago · 6 km deep · 42 km away
  20. 1.911 km SW of Huron, California · 15792 days ago · 9 km deep · 44 km away
  21. 2.011 km N of Coalinga, California · 15792 days ago · 9 km deep · 26 km away
  22. 2.910 km N of Coalinga, California · 15792 days ago · 9 km deep · 27 km away
  23. 3.213 km NNE of Coalinga, California · 15792 days ago · 9 km deep · 29 km away
  24. 2.116 km S of Cantua Creek, California · 15792 days ago · 8 km deep · 29 km away
  25. 2.211 km NNE of Coalinga, California · 15792 days ago · 6 km deep · 32 km away
  26. 3.114 km NNW of Coalinga, California · 15792 days ago · 4 km deep · 18 km away
  27. 3.811 km NE of Coalinga, California · 15792 days ago · 12 km deep · 34 km away
  28. 2.311 km NE of Coalinga, California · 15792 days ago · 10 km deep · 35 km away
  29. 1.812 km NE of Coalinga, California · 15792 days ago · 7 km deep · 34 km away
  30. 1.710 km NNE of Cambria, California · 15792 days ago · 6 km deep · 83 km away
  31. 1.78 km S of Huron, California · 15792 days ago · 8 km deep · 52 km away
  32. 2.123 km ESE of Big Sur, California · 15792 days ago · 6 km deep · 85 km away
  33. 3.76 km NNE of Whitley Gardens, California · 15792 days ago · 19 km deep · 70 km away
  34. 1.911 km NE of Coalinga, California · 15792 days ago · 11 km deep · 35 km away
  35. 2.122 km NE of San Lucas, California · 15792 days ago · 7 km deep · 19 km away
  36. 2.011 km SW of Huron, California · 15792 days ago · 13 km deep · 43 km away
  37. 2.012 km NE of Coalinga, California · 15792 days ago · 11 km deep · 35 km away
  38. 1.722 km ESE of Big Sur, California · 15792 days ago · 6 km deep · 85 km away
  39. 2.116 km NW of San Simeon, California · 15791 days ago · 6 km deep · 88 km away
  40. 1.79 km NNE of Coalinga, California · 15791 days ago · 8 km deep · 31 km away
  41. 2.4Central California · 15791 days ago · 6 km deep · 24 km away
  42. 1.6Central California · 15791 days ago · 3 km deep · 86 km away
  43. 1.610 km N of Coalinga, California · 15791 days ago · 6 km deep · 25 km away
  44. 1.627 km ESE of Big Sur, California · 15791 days ago · 13 km deep · 83 km away
  45. 1.826 km ESE of Big Sur, California · 15791 days ago · 5 km deep · 85 km away
  46. 2.122 km ESE of Big Sur, California · 15791 days ago · 6 km deep · 85 km away
  47. 2.210 km N of Coalinga, California · 15791 days ago · 5 km deep · 26 km away
  48. 1.623 km SE of Big Sur, California · 15791 days ago · 0 km deep · 89 km away
  49. 2.610 km ENE of Coalinga, California · 15791 days ago · 8 km deep · 39 km away
  50. 2.012 km NE of Coalinga, California · 15790 days ago · 9 km deep · 34 km away
  51. 1.922 km ESE of Big Sur, California · 15790 days ago · 5 km deep · 86 km away
  52. 4.712 km NNW of Coalinga, California · 15790 days ago · 8 km deep · 22 km away
  53. 3.311 km NNW of Coalinga, California · 15790 days ago · 6 km deep · 22 km away
  54. 3.514 km NNW of Coalinga, California · 15790 days ago · 8 km deep · 20 km away
  55. 1.921 km WNW of Three Rocks, California · 15790 days ago · 13 km deep · 30 km away
  56. 3.117 km WNW of Huron, California · 15789 days ago · 5 km deep · 33 km away
  57. 3.33km SW of Coalinga, CA · 15789 days ago · 5 km deep · 32 km away
  58. 3.419 km N of Coalinga, California · 15789 days ago · 8 km deep · 22 km away
  59. 3.019 km NNE of Coalinga, California · 15789 days ago · 5 km deep · 32 km away
  60. 2.324 km NE of Greenfield, California · 15788 days ago · 7 km deep · 40 km away

The first 60 of 200.

Before

  1. 1.78 km ENE of Coalinga, California · 15795 days ago · 5 km deep · 36 km away
  2. 2.125 km ESE of Big Sur, California · 15795 days ago · 6 km deep · 86 km away
  3. 1.617 km NNW of Coalinga, California · 15795 days ago · 8 km deep · 20 km away
  4. 1.813 km N of Coalinga, California · 15795 days ago · 8 km deep · 26 km away
  5. 2.19 km SW of Huron, California · 15795 days ago · 9 km deep · 47 km away
  6. 2.023 km ENE of San Lucas, California · 15795 days ago · 6 km deep · 18 km away
  7. 2.612 km WNW of Templeton, California · 15795 days ago · 5 km deep · 84 km away
  8. 1.913 km NNE of Coalinga, California · 15795 days ago · 6 km deep · 31 km away
  9. 1.68 km WSW of Huron, California · 15795 days ago · 7 km deep · 44 km away
  10. 2.123 km ENE of Greenfield, California · 15796 days ago · 6 km deep · 37 km away
  11. 2.75 km S of Cantua Creek, California · 15796 days ago · 3 km deep · 33 km away
  12. 2.214 km S of Cantua Creek, California · 15796 days ago · 4 km deep · 31 km away
  13. 1.936 km SSW of South Dos Palos, California · 15796 days ago · 4 km deep · 44 km away
  14. 1.68 km NNE of Coalinga, California · 15796 days ago · 8 km deep · 30 km away
  15. 2.47 km NE of Coalinga, California · 15796 days ago · 8 km deep · 34 km away
  16. 1.524 km NE of Greenfield, California · 15796 days ago · 7 km deep · 41 km away
  17. 2.418 km S of Three Rocks, California · 15796 days ago · 2 km deep · 25 km away
  18. 2.210 km NE of Coalinga, California · 15796 days ago · 9 km deep · 35 km away
  19. 3.318 km S of Cantua Creek, California · 15796 days ago · 1 km deep · 27 km away
  20. 1.912 km S of Tres Pinos, California · 15796 days ago · 3 km deep · 72 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1098060. Read Wed, Sep 30, 2026, 11:08 PM UTC.