California earthquakes

M1.7 earthquake 10 km N of Coalinga, California

A magnitude 1.7 earthquake struck 10 km N of Coalinga, California on Wed, Jul 27, 1983, 5:58 PM PDT (00:58 UTC), 9 km (6 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1983-07-28 00:58:02 UTC
Depth
8.9 km (5.5 mi), shallow
Epicenter
36.236° N, 120.339° 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 0.5 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
86°
Stations used
11

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 202 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 1.714 km NNW of Coalinga, California · 15772 days ago · 4 km deep · 7 km away
  2. 1.98 km ENE of Coalinga, California · 15772 days ago · 8 km deep · 9 km away
  3. 2.27 km ENE of Coalinga, California · 15772 days ago · 8 km deep · 8 km away
  4. 2.612km E of Coalinga, CA · 15771 days ago · 1 km deep · 15 km away
  5. 1.98 km ENE of Coalinga, California · 15771 days ago · 8 km deep · 10 km away
  6. 2.014 km NW of Coalinga, California · 15771 days ago · 2 km deep · 11 km away
  7. 2.514 km NNW of Coalinga, California · 15771 days ago · 3 km deep · 9 km away
  8. 1.916 km NW of Parkfield, California · 15771 days ago · 4 km deep · 33 km away
  9. 1.810 km NNW of Coalinga, California · 15771 days ago · 7 km deep · 6 km away
  10. 1.710 km NNW of Coalinga, California · 15771 days ago · 9 km deep · 4 km away
  11. 3.013 km NW of Coalinga, California · 15771 days ago · 5 km deep · 9 km away
  12. 2.215 km NNW of Coalinga, California · 15771 days ago · 11 km deep · 9 km away
  13. 2.510 km NE of Coalinga, California · 15771 days ago · 8 km deep · 8 km away
  14. 1.517 km NNW of Coalinga, California · 15770 days ago · 9 km deep · 9 km away
  15. 1.912 km ESE of Coalinga, California · 15770 days ago · 8 km deep · 17 km away
  16. 2.116 km NNW of San Simeon, California · 15770 days ago · 6 km deep · 98 km away
  17. 2.616 km S of Three Rocks, California · 15770 days ago · 4 km deep · 13 km away
  18. 1.95 km NE of Coalinga, California · 15770 days ago · 14 km deep · 7 km away
  19. 1.85 km NE of Coalinga, California · 15770 days ago · 14 km deep · 6 km away
  20. 2.0Central California · 15770 days ago · 18 km deep · 4 km away
  21. 1.57 km NNW of Coalinga, California · 15770 days ago · 8 km deep · 6 km away
  22. 1.8Central California · 15770 days ago · 8 km deep · 12 km away
  23. 1.812 km NE of Shandon, California · 15770 days ago · 9 km deep · 54 km away
  24. 2.210 km NNW of Coalinga, California · 15770 days ago · 8 km deep · 5 km away
  25. 2.916 km N of Coalinga, California · 15770 days ago · 9 km deep · 6 km away
  26. 2.7Central California · 15769 days ago · 6 km deep · 65 km away
  27. 1.912 km NNW of Coalinga, California · 15769 days ago · 8 km deep · 5 km away
  28. 2.29 km NE of Coalinga, California · 15769 days ago · 9 km deep · 8 km away
  29. 2.316 km NNW of Coalinga, California · 15769 days ago · 6 km deep · 8 km away
  30. 1.923 km ENE of San Lucas, California · 15769 days ago · 4 km deep · 42 km away
  31. 2.58 km NNE of Coalinga, California · 15769 days ago · 8 km deep · 4 km away
  32. 2.69 km NE of Coalinga, California · 15769 days ago · 9 km deep · 8 km away
  33. 2.018 km SSE of Tres Pinos, California · 15769 days ago · 5 km deep · 92 km away
  34. 1.922 km ENE of Soledad, California · 15769 days ago · 2 km deep · 77 km away
  35. 3.512 km NE of Coalinga, California · 15768 days ago · 10 km deep · 6 km away
  36. 2.813 km NE of Coalinga, CA · 15768 days ago · 8 km deep · 7 km away
  37. 2.412 km NE of Coalinga, California · 15768 days ago · 8 km deep · 6 km away
  38. 2.612 km NE of Coalinga, California · 15768 days ago · 8 km deep · 7 km away
  39. 2.312 km NE of Coalinga, California · 15768 days ago · 7 km deep · 6 km away
  40. 2.012 km NE of Coalinga, California · 15768 days ago · 8 km deep · 7 km away
  41. 3.4Central California · 15768 days ago · 10 km deep · 13 km away
  42. 3.312 km NE of Coalinga, California · 15768 days ago · 10 km deep · 6 km away
  43. 2.113 km NE of Coalinga, California · 15768 days ago · 8 km deep · 8 km away
  44. 2.114 km NNE of Coalinga, California · 15768 days ago · 8 km deep · 4 km away
  45. 2.517 km NNW of Coalinga, California · 15768 days ago · 9 km deep · 10 km away
  46. 2.113 km NE of Coalinga, California · 15768 days ago · 8 km deep · 7 km away
  47. 1.813 km NE of Coalinga, California · 15768 days ago · 7 km deep · 8 km away
  48. 1.910 km NW of Avenal, California · 15768 days ago · 6 km deep · 22 km away
  49. 2.211 km NW of Avenal, California · 15768 days ago · 7 km deep · 21 km away
  50. 2.622 km ENE of Tres Pinos, California · 15768 days ago · 0 km deep · 96 km away
  51. 1.57 km NNW of Coalinga, California · 15767 days ago · 9 km deep · 6 km away
  52. 2.724 km NE of Greenfield, California · 15767 days ago · 1 km deep · 66 km away
  53. 3.010 km NW of Coalinga, California · 15767 days ago · 6 km deep · 9 km away
  54. 1.911 km NNE of Coalinga, California · 15767 days ago · 12 km deep · 4 km away
  55. 2.010 km NE of Coalinga, California · 15767 days ago · 11 km deep · 8 km away
  56. 1.813 km NNE of Coalinga, California · 15767 days ago · 12 km deep · 4 km away
  57. 2.212 km NE of Coalinga, California · 15767 days ago · 8 km deep · 7 km away
  58. 1.615 km NW of Coalinga, California · 15767 days ago · 6 km deep · 11 km away
  59. 1.78 km NE of Coalinga, California · 15766 days ago · 8 km deep · 5 km away
  60. 2.85 km ENE of Coalinga, California · 15766 days ago · 14 km deep · 9 km away

The first 60 of at least 202.

Before

  1. 1.715 km NNW of Coalinga, California · 15772 days ago · 7 km deep · 7 km away
  2. 1.611 km W of Oak Shores, California · 15772 days ago · 6 km deep · 86 km away
  3. 2.617km N of Coalinga, CA · 15772 days ago · 5 km deep · 7 km away
  4. 2.910 km E of Coalinga, California · 15772 days ago · 9 km deep · 13 km away
  5. 2.99km SW of Huron, CA · 15772 days ago · -1 km deep · 17 km away
  6. 2.68km E of Coalinga, CA · 15772 days ago · 2 km deep · 13 km away
  7. 1.719 km NNE of Coalinga, California · 15772 days ago · 5 km deep · 9 km away
  8. 1.912 km NE of Coalinga, California · 15773 days ago · 3 km deep · 8 km away
  9. 1.813 km NE of Coalinga, California · 15773 days ago · 2 km deep · 8 km away
  10. 1.924 km NE of Greenfield, California · 15773 days ago · 1 km deep · 65 km away
  11. 1.77 km NNW of Coalinga, California · 15773 days ago · 7 km deep · 6 km away
  12. 2.015 km NW of Parkfield, California · 15773 days ago · 4 km deep · 33 km away
  13. 1.711 km NW of Avenal, California · 15773 days ago · 9 km deep · 20 km away
  14. 1.56 km NNW of Coalinga, California · 15773 days ago · 7 km deep · 8 km away
  15. 2.011 km NE of Coalinga, California · 15773 days ago · 11 km deep · 7 km away
  16. 2.515 km NNW of Coalinga, California · 15773 days ago · 8 km deep · 8 km away
  17. 2.316 km NNW of Coalinga, California · 15773 days ago · 8 km deep · 9 km away
  18. 2.89km NNW of Coalinga, CA · 15773 days ago · 0 km deep · 6 km away
  19. 2.010 km NNW of Coalinga, California · 15773 days ago · 8 km deep · 5 km away
  20. 1.710 km NNW of Coalinga, California · 15773 days ago · 6 km deep · 8 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1099413 (also filed as ci14239). Read Fri, Oct 2, 2026, 12:35 AM UTC.