California earthquakes

M1.7 earthquake 40 km W of Three Rocks, California

A magnitude 1.7 earthquake struck 40 km W of Three Rocks, California on Sun, May 22, 1983, 10:53 AM PDT (17:53 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.7 12 km NNW of Coalinga, California. 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1983-05-22 17:53:53 UTC
Depth
10.6 km (6.6 mi), shallow
Epicenter
36.570° N, 120.840° 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 0.9 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
143°
Stations used
4

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 198 in the 30 days before it.

After

  1. 2.111 km SSW of Huron, California · 15838 days ago · 7 km deep · 78 km away
  2. 2.6Central California · 15838 days ago · 8 km deep · 69 km away
  3. 2.810 km N of Coalinga, California · 15838 days ago · 9 km deep · 57 km away
  4. 2.415 km N of Coalinga, California · 15838 days ago · 11 km deep · 53 km away
  5. 1.510 km N of Coalinga, California · 15838 days ago · 9 km deep · 57 km away
  6. 1.913 km NNW of Coalinga, California · 15838 days ago · 11 km deep · 52 km away
  7. 2.417 km NNE of Coalinga, California · 15838 days ago · 5 km deep · 56 km away
  8. 1.89 km E of Coalinga, California · 15838 days ago · 12 km deep · 72 km away
  9. 1.616 km N of Coalinga, California · 15838 days ago · 16 km deep · 53 km away
  10. 2.229 km SW of Three Rocks, California · 15838 days ago · 9 km deep · 32 km away
  11. 1.64 km SW of Ridgemark, California · 15838 days ago · 4 km deep · 56 km away
  12. 2.112 km N of Coalinga, California · 15838 days ago · 10 km deep · 56 km away
  13. 1.77 km E of Coalinga, California · 15838 days ago · 7 km deep · 70 km away
  14. 1.914 km N of Coalinga, California · 15838 days ago · 8 km deep · 55 km away
  15. 2.510 km NNE of Coalinga, California · 15838 days ago · 6 km deep · 62 km away
  16. 2.36 km N of Coalinga, California · 15838 days ago · 13 km deep · 59 km away
  17. 2.410 km NNE of Coalinga, California · 15838 days ago · 6 km deep · 61 km away
  18. 2.49 km NNE of Coalinga, California · 15838 days ago · 9 km deep · 61 km away
  19. 1.916 km N of Coalinga, California · 15838 days ago · 8 km deep · 56 km away
  20. 1.815 km N of Coalinga, California · 15838 days ago · 8 km deep · 56 km away
  21. 2.213 km N of Coalinga, California · 15838 days ago · 10 km deep · 54 km away
  22. 2.012 km SW of Huron, California · 15837 days ago · 8 km deep · 78 km away
  23. 3.1Central California · 15837 days ago · 9 km deep · 64 km away
  24. 2.021 km NNE of Soledad, California · 15837 days ago · 8 km deep · 34 km away
  25. 1.99 km N of Coalinga, California · 15837 days ago · 9 km deep · 58 km away
  26. 2.111 km SW of Huron, California · 15837 days ago · 11 km deep · 75 km away
  27. 2.911 km NE of Coalinga, California · 15837 days ago · 9 km deep · 64 km away
  28. 1.511 km SW of Huron, California · 15837 days ago · 8 km deep · 77 km away
  29. 1.612 km E of Coalinga, California · 15837 days ago · 7 km deep · 75 km away
  30. 2.311 km NE of Coalinga, California · 15837 days ago · 12 km deep · 64 km away
  31. 2.016 km NNW of Coalinga, California · 15837 days ago · 8 km deep · 50 km away
  32. 1.78 km ENE of Coalinga, California · 15837 days ago · 10 km deep · 67 km away
  33. 2.119 km NNW of Coalinga, California · 15837 days ago · 7 km deep · 46 km away
  34. 2.012 km NNW of Coalinga, California · 15837 days ago · 10 km deep · 54 km away
  35. 2.119 km S of Cantua Creek, California · 15837 days ago · 3 km deep · 52 km away
  36. 1.719 km NNE of Coalinga, California · 15837 days ago · 6 km deep · 57 km away
  37. 2.07 km ESE of Coalinga, California · 15837 days ago · 6 km deep · 71 km away
  38. 2.012 km SW of Huron, California · 15837 days ago · 10 km deep · 77 km away
  39. 1.616 km N of Coalinga, California · 15837 days ago · 5 km deep · 55 km away
  40. 1.713 km NNE of Coalinga, California · 15837 days ago · 9 km deep · 58 km away
  41. 2.112 km NW of Avenal, California · 15837 days ago · 6 km deep · 77 km away
  42. 1.911 km NE of Coalinga, California · 15837 days ago · 12 km deep · 65 km away
  43. 1.815 km N of Coalinga, California · 15837 days ago · 7 km deep · 54 km away
  44. 3.812 km NNE of Coalinga, California · 15837 days ago · 9 km deep · 59 km away
  45. 1.911 km SW of Huron, California · 15837 days ago · 10 km deep · 74 km away
  46. 1.614 km NNE of Coalinga, California · 15837 days ago · 9 km deep · 59 km away
  47. 1.513 km NNE of Coalinga, California · 15837 days ago · 9 km deep · 58 km away
  48. 2.013 km NNE of Coalinga, California · 15837 days ago · 9 km deep · 59 km away
  49. 1.613 km NNE of Coalinga, California · 15837 days ago · 8 km deep · 60 km away
  50. 1.710 km NNE of Coalinga, California · 15837 days ago · 11 km deep · 62 km away
  51. 2.711 km N of Coalinga, California · 15837 days ago · 9 km deep · 57 km away
  52. 1.712 km ESE of Coalinga, California · 15837 days ago · 9 km deep · 75 km away
  53. 2.713 km NE of Coalinga, California · 15837 days ago · 9 km deep · 64 km away
  54. 3.413 km NE of Coalinga, California · 15837 days ago · 8 km deep · 64 km away
  55. 3.512 km NE of Coalinga, California · 15837 days ago · 10 km deep · 64 km away
  56. 2.413 km NE of Coalinga, California · 15837 days ago · 8 km deep · 64 km away
  57. 3.37 km NE of Coalinga, California · 15837 days ago · 11 km deep · 64 km away
  58. 1.511 km N of Coalinga, California · 15836 days ago · 9 km deep · 58 km away
  59. 1.86 km NE of Coalinga, California · 15836 days ago · 8 km deep · 64 km away
  60. 2.024 km NE of Greenfield, California · 15836 days ago · 3 km deep · 21 km away

The first 60 of at least 202.

Before

  1. 2.010 km NE of Coalinga, California · 15838 days ago · 8 km deep · 66 km away
  2. 1.721 km SW of Three Rocks, California · 15838 days ago · 16 km deep · 31 km away
  3. 1.516 km N of Coalinga, California · 15838 days ago · 7 km deep · 51 km away
  4. 1.919 km S of Cantua Creek, California · 15838 days ago · 5 km deep · 54 km away
  5. 1.75 km NE of Coalinga, California · 15838 days ago · 7 km deep · 63 km away
  6. 1.711 km SW of Huron, California · 15838 days ago · 10 km deep · 75 km away
  7. 1.611 km SW of Huron, California · 15838 days ago · 8 km deep · 74 km away
  8. 1.511 km WSW of Huron, California · 15838 days ago · 7 km deep · 70 km away
  9. 1.5Central California · 15839 days ago · 16 km deep · 71 km away
  10. 2.17 km NE of Coalinga, California · 15839 days ago · 9 km deep · 65 km away
  11. 2.46 km NNE of Coalinga, California · 15839 days ago · 7 km deep · 63 km away
  12. 1.611 km SSW of Huron, California · 15839 days ago · 8 km deep · 79 km away
  13. 4.010 km SW of Huron, California · 15839 days ago · 12 km deep · 74 km away
  14. 1.811 km NW of Avenal, California · 15839 days ago · 6 km deep · 78 km away
  15. 2.312 km NW of Avenal, California · 15839 days ago · 6 km deep · 77 km away
  16. 2.211 km SW of Huron, California · 15839 days ago · 11 km deep · 75 km away
  17. 2.011 km N of Coalinga, California · 15839 days ago · 9 km deep · 55 km away
  18. 1.913 km N of Coalinga, California · 15839 days ago · 7 km deep · 56 km away
  19. 1.520 km NW of Parkfield, California · 15839 days ago · 3 km deep · 64 km away
  20. 1.912 km NNE of Coalinga, California · 15839 days ago · 6 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1095221. Read Fri, Oct 2, 2026, 12:04 AM UTC.