California earthquakes

M1.6 earthquake 15 km NNW of Coalinga, California

A magnitude 1.6 earthquake struck 15 km NNW of Coalinga, California on Sun, Jul 17, 1983, 4:12 AM PDT (11:12 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M5.5 11 km NE 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.

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The earthquake

Magnitude
1.6 (md), micro
Local time
UTC
1983-07-17 11:12:20 UTC
Depth
7.1 km (4.4 mi), shallow
Epicenter
36.274° N, 120.397° 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 1.7 km horizontally, 2.2 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
192°, poorly surrounded by stations
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 198 in the 30 days before it.

After

  1. 1.812 km N of Coalinga, California · 15778 days ago · 4 km deep · 3 km away
  2. 2.87 km ENE of Coalinga, California · 15778 days ago · 9 km deep · 15 km away
  3. 1.715 km S of Cantua Creek, California · 15778 days ago · 8 km deep · 11 km away
  4. 2.136 km SSW of South Dos Palos, California · 15778 days ago · 6 km deep · 62 km away
  5. 3.915 km N of Coalinga, California · 15778 days ago · 10 km deep · 6 km away
  6. 1.910 km N of Coalinga, California · 15778 days ago · 7 km deep · 5 km away
  7. 1.67 km N of Coalinga, California · 15778 days ago · 5 km deep · 8 km away
  8. 1.88 km N of Coalinga, California · 15778 days ago · 6 km deep · 7 km away
  9. 1.615 km NNW of Coalinga, California · 15778 days ago · 5 km deep · 5 km away
  10. 1.612 km NE of Coalinga, California · 15778 days ago · 11 km deep · 13 km away
  11. 1.67 km WSW of Atascadero, California · 15778 days ago · 5 km deep · 95 km away
  12. 1.76 km N of Coalinga, California · 15777 days ago · 5 km deep · 9 km away
  13. 3.37 km ENE of Coalinga, California · 15777 days ago · 9 km deep · 15 km away
  14. 2.814 km NNW of Coalinga, California · 15777 days ago · 5 km deep · 2 km away
  15. 4.28 km ENE of Coalinga, California · 15777 days ago · 11 km deep · 15 km away
  16. 2.25 km NNE of Coalinga, California · 15777 days ago · 8 km deep · 12 km away
  17. 2.614 km NNW of Coalinga, California · 15777 days ago · 7 km deep · 2 km away
  18. 2.914 km NNW of Coalinga, California · 15777 days ago · 7 km deep · 1 km away
  19. 1.913 km NNE of Coalinga, California · 15776 days ago · 5 km deep · 7 km away
  20. 2.41 km NE of West Park, California · 15776 days ago · 2 km deep · 70 km away
  21. 3.013 km NNW of Coalinga, California · 15776 days ago · 7 km deep · 2 km away
  22. 1.6Central California · 15776 days ago · 10 km deep · 9 km away
  23. 2.5Central California · 15776 days ago · 7 km deep · 4 km away
  24. 2.0Central California · 15776 days ago · 7 km deep · 4 km away
  25. 2.07 km S of Three Rocks, California · 15776 days ago · 30 km deep · 18 km away
  26. 2.126 km NE of Soledad, California · 15776 days ago · 7 km deep · 70 km away
  27. 2.016 km NNW of Coalinga, California · 15776 days ago · 11 km deep · 2 km away
  28. 1.68 km ENE of Coalinga, California · 15776 days ago · 8 km deep · 16 km away
  29. 2.012 km NNE of Coalinga, California · 15776 days ago · 12 km deep · 11 km away
  30. 1.715 km SSE of Tres Pinos, California · 15776 days ago · 5 km deep · 89 km away
  31. 2.110 km ENE of Coalinga, California · 15775 days ago · 10 km deep · 17 km away
  32. 1.724 km ENE of Soledad, California · 15775 days ago · 6 km deep · 65 km away
  33. 2.310 km N of Coalinga, California · 15775 days ago · 9 km deep · 7 km away
  34. 1.727 km WSW of Greenfield, California · 15775 days ago · 3 km deep · 100 km away
  35. 1.610 km ENE of Coalinga, California · 15775 days ago · 11 km deep · 17 km away
  36. 1.58 km E of Coalinga, California · 15774 days ago · 7 km deep · 19 km away
  37. 2.218 km N of Coalinga, California · 15774 days ago · 10 km deep · 3 km away
  38. 2.313 km NNW of Coalinga, California · 15774 days ago · 5 km deep · 5 km away
  39. 2.015 km NNW of Coalinga, California · 15774 days ago · 6 km deep · 2 km away
  40. 2.725 km ENE of Greenfield, California · 15774 days ago · 4 km deep · 57 km away
  41. 2.511 km NNW of Coalinga, California · 15774 days ago · 6 km deep · 5 km away
  42. 5.411 km NNW of Coalinga, California · 15774 days ago · 7 km deep · 5 km away
  43. 3.49 km NNW of Coalinga, California · 15774 days ago · 7 km deep · 7 km away
  44. 3.721km N of Coalinga, CA · 15774 days ago · 3 km deep · 8 km away
  45. 2.013 km NNW of Coalinga, California · 15774 days ago · 0 km deep · 3 km away
  46. 2.615 km NNW of Coalinga, California · 15774 days ago · 9 km deep · 0 km away
  47. 3.018 km S of Cantua Creek, California · 15774 days ago · 4 km deep · 8 km away
  48. 2.919 km S of Cantua Creek, California · 15774 days ago · 5 km deep · 9 km away
  49. 1.712 km NNW of Coalinga, California · 15774 days ago · 8 km deep · 3 km away
  50. 3.19 km NNW of Coalinga, California · 15774 days ago · 8 km deep · 6 km away
  51. 2.019km NW of Huron, CA · 15774 days ago · -1 km deep · 13 km away
  52. 3.117 km S of Cantua Creek, California · 15774 days ago · 4 km deep · 9 km away
  53. 2.929km SW of San Joaquin, CA · 15774 days ago · 14 km deep · 15 km away
  54. 1.78 km N of Coalinga, California · 15774 days ago · 7 km deep · 6 km away
  55. 3.518 km S of Cantua Creek, California · 15774 days ago · 4 km deep · 8 km away
  56. 2.719 km S of Cantua Creek, California · 15774 days ago · 5 km deep · 9 km away
  57. 3.013 km N of Coalinga, California · 15774 days ago · 10 km deep · 3 km away
  58. 3.510km NNE of Parkfield, CA · 15774 days ago · 5 km deep · 32 km away
  59. 3.315km N of Coalinga, CA · 15774 days ago · 8 km deep · 2 km away
  60. 3.315 km S of Cantua Creek, California · 15774 days ago · 4 km deep · 11 km away

The first 60 of at least 201.

Before

  1. 1.911 km N of Coalinga, California · 15779 days ago · 10 km deep · 5 km away
  2. 1.78 km N of Coalinga, California · 15779 days ago · 5 km deep · 7 km away
  3. 1.612 km ESE of Coalinga, California · 15779 days ago · 3 km deep · 24 km away
  4. 2.214 km N of Coalinga, California · 15779 days ago · 9 km deep · 1 km away
  5. 2.314 km NNW of Coalinga, California · 15779 days ago · 7 km deep · 2 km away
  6. 1.912 km N of Coalinga, California · 15779 days ago · 9 km deep · 3 km away
  7. 1.612 km NNW of Coalinga, California · 15780 days ago · 3 km deep · 5 km away
  8. 1.513 km NNW of Coalinga, California · 15780 days ago · 1 km deep · 3 km away
  9. 1.913 km NNE of Coalinga, California · 15780 days ago · 12 km deep · 8 km away
  10. 1.68 km WSW of Huron, California · 15780 days ago · 6 km deep · 21 km away
  11. 1.89 km E of Coalinga, California · 15780 days ago · 9 km deep · 18 km away
  12. 2.425 km ENE of Greenfield, California · 15780 days ago · 5 km deep · 58 km away
  13. 1.825 km ENE of Greenfield, California · 15780 days ago · 3 km deep · 58 km away
  14. 2.014 km NNW of Coalinga, California · 15780 days ago · 6 km deep · 2 km away
  15. 1.612 km E of Coalinga, California · 15780 days ago · 8 km deep · 20 km away
  16. 1.919 km S of Cantua Creek, California · 15780 days ago · 10 km deep · 7 km away
  17. 2.17 km ENE of Coalinga, California · 15781 days ago · 8 km deep · 17 km away
  18. 1.88 km ENE of Coalinga, California · 15781 days ago · 7 km deep · 17 km away
  19. 1.68 km ENE of Coalinga, California · 15781 days ago · 9 km deep · 17 km away
  20. 2.47 km E of Coalinga, California · 15781 days ago · 8 km deep · 17 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1098721 (also filed as ci10491). Read Mon, Sep 28, 2026, 12:31 AM UTC.