California earthquakes

M2.3 earthquake 18 km SSW of Three Rocks, California

A magnitude 2.3 earthquake struck 18 km SSW of Three Rocks, California on Sun, Jan 8, 1978, 9:09 PM PST (05:09 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.0 14 km SSE of Tres Pinos, 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
2.3 (md), micro
Local time
UTC
1978-01-09 05:09:49 UTC
Depth
9.0 km (5.6 mi), shallow
Epicenter
36.345° N, 120.463° 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, 0.9 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
213°, poorly surrounded by stations
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: 108 in the 60 days after this one and 76 in the 30 days before it.

After

  1. 3.014 km SSE of Tres Pinos, California · 17788 days ago · 3 km deep · 81 km away
  2. 1.821 km NE of Soledad, California · 17786 days ago · 6 km deep · 63 km away
  3. 1.621 km NE of Soledad, California · 17786 days ago · 3 km deep · 68 km away
  4. 2.65 km S of Oak Shores, California · 17785 days ago · 7 km deep · 84 km away
  5. 2.224 km ENE of San Ardo, California · 17784 days ago · 0 km deep · 33 km away
  6. 1.88 km SSW of Ridgemark, California · 17784 days ago · 6 km deep · 95 km away
  7. 2.722 km ENE of Soledad, California · 17784 days ago · 3 km deep · 62 km away
  8. 1.522 km ENE of Soledad, California · 17782 days ago · 1 km deep · 61 km away
  9. 3.421 km NNE of Soledad, California · 17782 days ago · 6 km deep · 71 km away
  10. 2.421 km NE of Soledad, California · 17782 days ago · 6 km deep · 70 km away
  11. 1.721 km NNE of Soledad, California · 17782 days ago · 6 km deep · 71 km away
  12. 2.05 km SSW of Tres Pinos, California · 17782 days ago · 8 km deep · 90 km away
  13. 2.46 km SSW of Oak Shores, California · 17781 days ago · 7 km deep · 86 km away
  14. 2.422 km NE of Soledad, California · 17781 days ago · 6 km deep · 70 km away
  15. 1.915 km S of Tres Pinos, California · 17780 days ago · 10 km deep · 85 km away
  16. 2.322 km ENE of Tres Pinos, California · 17780 days ago · 5 km deep · 77 km away
  17. 1.824 km NE of Greenfield, California · 17778 days ago · 0 km deep · 51 km away
  18. 1.524 km ENE of Soledad, California · 17776 days ago · 3 km deep · 57 km away
  19. 2.01 km SE of Oak Shores, California · 17775 days ago · 9 km deep · 79 km away
  20. 1.77 km SSW of Oak Shores, California · 17775 days ago · 5 km deep · 87 km away
  21. 2.826 km NE of Soledad, California · 17775 days ago · 9 km deep · 60 km away
  22. 1.626 km NE of Soledad, California · 17775 days ago · 9 km deep · 60 km away
  23. 1.621 km NE of Soledad, California · 17775 days ago · 4 km deep · 64 km away
  24. 1.815 km SW of Soledad, California · 17774 days ago · 13 km deep · 87 km away
  25. 2.225 km SE of Tres Pinos, California · 17774 days ago · 10 km deep · 66 km away
  26. 1.914 km WSW of Coalinga, California · 17774 days ago · 3 km deep · 30 km away
  27. 1.814 km WSW of Coalinga, California · 17774 days ago · 1 km deep · 31 km away
  28. 1.915 km SW of Soledad, California · 17774 days ago · 11 km deep · 87 km away
  29. 1.628 km ENE of Soledad, California · 17773 days ago · 10 km deep · 59 km away
  30. 1.817 km SW of Soledad, California · 17773 days ago · 15 km deep · 88 km away
  31. 2.023 km NE of San Ardo, California · 17769 days ago · 7 km deep · 31 km away
  32. 1.618 km SSE of Tres Pinos, California · 17769 days ago · 7 km deep · 77 km away
  33. 2.321 km NNE of Soledad, California · 17768 days ago · 6 km deep · 71 km away
  34. 1.89 km NW of Parkfield, California · 17768 days ago · 3 km deep · 43 km away
  35. 2.221 km NE of Soledad, California · 17767 days ago · 5 km deep · 69 km away
  36. 1.822 km ENE of San Lucas, California · 17767 days ago · 4 km deep · 33 km away
  37. 1.922 km ENE of San Lucas, California · 17767 days ago · 7 km deep · 33 km away
  38. 1.526 km NE of Soledad, California · 17767 days ago · 8 km deep · 60 km away
  39. 1.79 km SSW of Oak Shores, California · 17767 days ago · 3 km deep · 88 km away
  40. 2.123 km NE of King City, California · 17767 days ago · 7 km deep · 44 km away
  41. 1.615 km SW of Soledad, California · 17767 days ago · 11 km deep · 87 km away
  42. 2.112 km S of Tres Pinos, California · 17766 days ago · 2 km deep · 83 km away
  43. 1.921 km NE of Soledad, California · 17765 days ago · 8 km deep · 64 km away
  44. 1.723 km ENE of Soledad, California · 17765 days ago · 3 km deep · 59 km away
  45. 1.626 km NE of Soledad, California · 17765 days ago · 8 km deep · 60 km away
  46. 1.521 km SSE of Tres Pinos, California · 17765 days ago · 5 km deep · 74 km away
  47. 1.834 km SSW of South Dos Palos, California · 17763 days ago · 10 km deep · 50 km away
  48. 2.49 km SW of Tres Pinos, California · 17763 days ago · 6 km deep · 93 km away
  49. 1.924 km ENE of Greenfield, California · 17763 days ago · 5 km deep · 50 km away
  50. 2.426 km NE of Greenfield, California · 17762 days ago · 7 km deep · 51 km away
  51. 1.724 km NE of Greenfield, California · 17762 days ago · 0 km deep · 51 km away
  52. 1.825 km NE of Greenfield, California · 17762 days ago · 2 km deep · 51 km away
  53. 2.133 km W of Three Rocks, California · 17761 days ago · 8 km deep · 34 km away
  54. 2.121 km NE of Soledad, California · 17761 days ago · 7 km deep · 64 km away
  55. 3.111km N of Avenal, CA · 17761 days ago · 6 km deep · 41 km away
  56. 2.16 km NNW of Avenal, California · 17761 days ago · 13 km deep · 42 km away
  57. 2.37 km NNW of Avenal, California · 17760 days ago · 12 km deep · 42 km away
  58. 1.97 km NNW of Avenal, California · 17760 days ago · 13 km deep · 41 km away
  59. 2.08 km N of Avenal, California · 17760 days ago · 14 km deep · 42 km away
  60. 1.714 km SW of Soledad, California · 17759 days ago · 12 km deep · 86 km away

The first 60 of 108.

Before

  1. 2.914 km W of Oak Shores, California · 17790 days ago · 12 km deep · 88 km away
  2. 2.014 km E of Tres Pinos, California · 17790 days ago · 5 km deep · 78 km away
  3. 1.84 km W of Ridgemark, California · 17790 days ago · 3 km deep · 100 km away
  4. 1.922 km NE of San Lucas, California · 17791 days ago · 7 km deep · 35 km away
  5. 3.026 km NE of Greenfield, California · 17791 days ago · 8 km deep · 51 km away
  6. 1.612 km SW of Tres Pinos, California · 17791 days ago · 9 km deep · 93 km away
  7. 3.112 km SW of Tres Pinos, California · 17791 days ago · 9 km deep · 93 km away
  8. 1.812 km SW of Tres Pinos, California · 17792 days ago · 8 km deep · 93 km away
  9. 1.823 km NE of San Lucas, California · 17792 days ago · 6 km deep · 37 km away
  10. 1.626 km NE of Soledad, California · 17792 days ago · 8 km deep · 62 km away
  11. 1.68 km SSW of Ridgemark, California · 17793 days ago · 6 km deep · 95 km away
  12. 1.821 km NE of Soledad, California · 17794 days ago · 7 km deep · 70 km away
  13. 1.624 km NE of Greenfield, California · 17794 days ago · 5 km deep · 55 km away
  14. 1.917 km NW of Parkfield, California · 17795 days ago · 3 km deep · 38 km away
  15. 2.54 km SW of Tres Pinos, California · 17795 days ago · 13 km deep · 91 km away
  16. 1.621 km NNE of Soledad, California · 17795 days ago · 4 km deep · 71 km away
  17. 1.812 km SW of Tres Pinos, California · 17795 days ago · 8 km deep · 93 km away
  18. 2.127 km ENE of Soledad, California · 17796 days ago · 9 km deep · 59 km away
  19. 3.1Central California · 17796 days ago · 9 km deep · 59 km away
  20. 2.022 km ENE of Tres Pinos, California · 17796 days ago · 6 km deep · 78 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1038511. Read Tue, Sep 22, 2026, 8:25 PM UTC.