California earthquakes

M1.7 earthquake 16 km NNW of Coalinga, California

A magnitude 1.7 earthquake struck 16 km NNW of Coalinga, California on Sun, Nov 20, 1983, 7:55 AM PST (15:55 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.3 12 km NW of Avenal, 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), micro
Local time
UTC
1983-11-20 15:55:55 UTC
Depth
6.8 km (4.2 mi), shallow
Epicenter
36.279° N, 120.420° 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
13

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 199 in the 60 days after this one and 125 in the 30 days before it.

After

  1. 4.110 km NW of Coalinga, California · 15655 days ago · 6 km deep · 8 km away
  2. 2.025 km NW of San Simeon, California · 15655 days ago · 10 km deep · 97 km away
  3. 1.715 km NNW of Coalinga, California · 15655 days ago · 7 km deep · 1 km away
  4. 2.331 km ENE of Soledad, California · 15654 days ago · 7 km deep · 64 km away
  5. 2.925 km ENE of Greenfield, California · 15654 days ago · 4 km deep · 53 km away
  6. 2.011 km NW of Coalinga, California · 15654 days ago · 5 km deep · 8 km away
  7. 1.612 km NNW of Kettleman City, California · 15654 days ago · 7 km deep · 40 km away
  8. 1.910 km E of Coalinga, California · 15654 days ago · 7 km deep · 22 km away
  9. 1.615 km NNW of Coalinga, California · 15652 days ago · 8 km deep · 2 km away
  10. 1.713 km SW of Huron, California · 15652 days ago · 8 km deep · 26 km away
  11. 2.47 km NE of Coalinga, California · 15651 days ago · 10 km deep · 16 km away
  12. 1.69 km NNW of Coalinga, California · 15651 days ago · 8 km deep · 7 km away
  13. 2.310 km NE of Coalinga, California · 15651 days ago · 7 km deep · 16 km away
  14. 1.910 km N of Coalinga, California · 15650 days ago · 9 km deep · 7 km away
  15. 1.68 km NNW of Avenal, California · 15650 days ago · 7 km deep · 33 km away
  16. 1.816 km NNW of Coalinga, California · 15649 days ago · 6 km deep · 1 km away
  17. 1.712 km N of Coalinga, California · 15649 days ago · 4 km deep · 5 km away
  18. 1.88 km NNW of Avenal, California · 15649 days ago · 6 km deep · 33 km away
  19. 1.96 km SSE of Kettleman City, California · 15649 days ago · 0 km deep · 56 km away
  20. 2.821 km NE of Soledad, California · 15649 days ago · 6 km deep · 74 km away
  21. 2.421 km NE of Soledad, California · 15649 days ago · 5 km deep · 74 km away
  22. 1.77 km SSW of Avenal, California · 15649 days ago · 13 km deep · 44 km away
  23. 2.0Central California · 15649 days ago · 10 km deep · 43 km away
  24. 2.018 km S of Cantua Creek, California · 15648 days ago · 4 km deep · 10 km away
  25. 1.819 km N of Coalinga, California · 15648 days ago · 11 km deep · 6 km away
  26. 1.621 km NE of Soledad, California · 15647 days ago · 5 km deep · 74 km away
  27. 1.516 km NNW of Coalinga, California · 15647 days ago · 8 km deep · 1 km away
  28. 1.724 km ENE of San Ardo, California · 15647 days ago · 2 km deep · 30 km away
  29. 1.611 km N of Coalinga, California · 15647 days ago · 8 km deep · 6 km away
  30. 1.511 km N of Coalinga, California · 15647 days ago · 7 km deep · 6 km away
  31. 1.613 km NE of Coalinga, California · 15646 days ago · 8 km deep · 16 km away
  32. 1.917 km NNW of Coalinga, California · 15646 days ago · 8 km deep · 1 km away
  33. 1.611 km NNE of Coalinga, California · 15645 days ago · 8 km deep · 9 km away
  34. 2.07 km ENE of Coalinga, California · 15645 days ago · 11 km deep · 18 km away
  35. 2.216 km NNW of Coalinga, California · 15645 days ago · 10 km deep · 1 km away
  36. 2.911 km NW of Avenal, California · 15644 days ago · 15 km deep · 29 km away
  37. 1.612 km NW of Avenal, California · 15644 days ago · 13 km deep · 28 km away
  38. 1.612 km NW of Avenal, California · 15644 days ago · 12 km deep · 28 km away
  39. 1.620 km NW of Parkfield, California · 15644 days ago · 5 km deep · 31 km away
  40. 2.212 km NW of Avenal, California · 15644 days ago · 16 km deep · 28 km away
  41. 1.912 km NW of Avenal, California · 15644 days ago · 14 km deep · 28 km away
  42. 1.612 km NE of Coalinga, California · 15644 days ago · 6 km deep · 15 km away
  43. 1.911 km WNW of Lemoore Station, California · 15643 days ago · 15 km deep · 36 km away
  44. 1.79 km WNW of Huron, California · 15643 days ago · 7 km deep · 21 km away
  45. 2.64 km NNE of Coalinga, California · 15643 days ago · 12 km deep · 13 km away
  46. 1.925 km ENE of San Lucas, California · 15643 days ago · 7 km deep · 31 km away
  47. 1.64 km N of Coalinga, California · 15642 days ago · 13 km deep · 13 km away
  48. 1.79 km SSW of Tres Pinos, California · 15642 days ago · 3 km deep · 96 km away
  49. 1.86 km NE of Coalinga, California · 15642 days ago · 8 km deep · 15 km away
  50. 2.03 km N of Coalinga, California · 15642 days ago · 12 km deep · 13 km away
  51. 1.825 km NW of San Simeon, California · 15642 days ago · 8 km deep · 98 km away
  52. 2.023 km NW of San Simeon, California · 15641 days ago · 10 km deep · 99 km away
  53. 1.822 km WSW of Lockwood, California · 15641 days ago · 9 km deep · 93 km away
  54. 2.015 km NNW of Coalinga, California · 15640 days ago · 4 km deep · 2 km away
  55. 3.04 km NW of Avenal, California · 15640 days ago · 23 km deep · 36 km away
  56. 2.919 km NNW of Coalinga, California · 15640 days ago · 10 km deep · 3 km away
  57. 2.619 km NNW of Coalinga, California · 15640 days ago · 10 km deep · 3 km away
  58. 1.630 km NE of King City, California · 15639 days ago · 7 km deep · 45 km away
  59. 2.819 km SSE of Kettleman City, California · 15639 days ago · 4 km deep · 69 km away
  60. 1.74 km ESE of Coalinga, California · 15639 days ago · 12 km deep · 20 km away

The first 60 of at least 199.

Before

  1. 1.611 km NNE of Coalinga, California · 15655 days ago · 10 km deep · 13 km away
  2. 2.07 km NE of Coalinga, California · 15655 days ago · 8 km deep · 16 km away
  3. 1.912 km SSE of Cantua Creek, California · 15655 days ago · 17 km deep · 20 km away
  4. 1.927 km ENE of Soledad, California · 15655 days ago · 8 km deep · 63 km away
  5. 1.924 km NE of Greenfield, California · 15655 days ago · 5 km deep · 61 km away
  6. 2.128 km NE of Greenfield, California · 15655 days ago · 6 km deep · 59 km away
  7. 1.533 km W of Three Rocks, California · 15656 days ago · 11 km deep · 43 km away
  8. 1.610 km E of Coalinga, California · 15656 days ago · 9 km deep · 23 km away
  9. 2.010 km NE of Coalinga, California · 15656 days ago · 9 km deep · 16 km away
  10. 2.511 km E of Coalinga, California · 15657 days ago · 9 km deep · 24 km away
  11. 1.725 km NE of King City, California · 15657 days ago · 1 km deep · 51 km away
  12. 1.819 km N of Coalinga, California · 15657 days ago · 9 km deep · 6 km away
  13. 1.94 km N of Avenal, California · 15657 days ago · 1 km deep · 37 km away
  14. 1.79 km NE of Coalinga, California · 15657 days ago · 8 km deep · 13 km away
  15. 1.615 km S of Three Rocks, California · 15657 days ago · 11 km deep · 9 km away
  16. 1.624 km NNW of San Simeon, California · 15657 days ago · 6 km deep · 97 km away
  17. 1.624 km NE of Greenfield, California · 15657 days ago · 7 km deep · 57 km away
  18. 1.711 km N of Coalinga, California · 15658 days ago · 8 km deep · 8 km away
  19. 2.111 km ENE of Coalinga, California · 15659 days ago · 8 km deep · 21 km away
  20. 1.79 km NNE of Coalinga, California · 15659 days ago · 8 km deep · 11 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1107213 (also filed as ci23027). Read Wed, Sep 30, 2026, 1:58 PM UTC.