California earthquakes

M2.0 earthquake 24 km NE of Greenfield, California

A magnitude 2.0 earthquake struck 24 km NE of Greenfield, California on Mon, Oct 28, 1985, 2:40 AM PST (10:40 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.6 31 km NE of Soledad, 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
2.0 (md), micro
Local time
UTC
1985-10-28 10:40:55 UTC
Depth
5.3 km (3.3 mi), shallow
Epicenter
36.462° N, 121.036° 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 0.2 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
72°
Stations used
40

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 192 in the 60 days after this one and 103 in the 30 days before it.

After

  1. 1.621 km NE of Soledad, California · 14946 days ago · 6 km deep · 14 km away
  2. 2.06 km W of Three Rocks, California · 14945 days ago · 10 km deep · 51 km away
  3. 1.81 km SW of Coalinga, California · 14945 days ago · 11 km deep · 70 km away
  4. 1.61 km W of Coalinga, California · 14944 days ago · 12 km deep · 69 km away
  5. 1.811 km NNW of Coalinga, California · 14944 days ago · 8 km deep · 62 km away
  6. 1.821 km NE of Soledad, California · 14944 days ago · 7 km deep · 19 km away
  7. 1.64 km WSW of Paso Robles, California · 14944 days ago · 7 km deep · 98 km away
  8. 1.521 km NE of Soledad, California · 14943 days ago · 6 km deep · 15 km away
  9. 2.26 km NNW of Biola, California · 14943 days ago · 6 km deep · 99 km away
  10. 2.010 km NNE of Avenal, California · 14943 days ago · 8 km deep · 93 km away
  11. 1.625 km NE of Greenfield, California · 14942 days ago · 2 km deep · 3 km away
  12. 3.09 km SE of San Juan Bautista, California · 14942 days ago · 4 km deep · 52 km away
  13. 2.47 km NE of Interlaken, California · 14942 days ago · 10 km deep · 82 km away
  14. 1.63 km SSE of San Juan Bautista, California · 14941 days ago · 5 km deep · 59 km away
  15. 1.531 km NE of Soledad, California · 14941 days ago · 8 km deep · 14 km away
  16. 1.521 km NE of Soledad, California · 14940 days ago · 6 km deep · 18 km away
  17. 1.93 km ENE of Avenal, California · 14940 days ago · 11 km deep · 98 km away
  18. 1.613 km NNE of Coalinga, California · 14939 days ago · 8 km deep · 69 km away
  19. 1.824 km NNE of San Lucas, California · 14939 days ago · 6 km deep · 21 km away
  20. 1.714 km SSE of Parkfield, California · 14939 days ago · 9 km deep · 97 km away
  21. 1.611 km NE of Coalinga, California · 14938 days ago · 11 km deep · 74 km away
  22. 1.612 km NNE of Coalinga, California · 14938 days ago · 8 km deep · 68 km away
  23. 1.711 km SW of Huron, California · 14938 days ago · 2 km deep · 84 km away
  24. 1.613 km NNE of Coalinga, California · 14937 days ago · 9 km deep · 67 km away
  25. 1.68 km SW of La Selva Beach, California · 14937 days ago · 9 km deep · 92 km away
  26. 2.78 km N of Avenal, California · 14936 days ago · 7 km deep · 92 km away
  27. 2.07 km NNE of Avenal, California · 14936 days ago · 7 km deep · 94 km away
  28. 1.920 km SSE of Tres Pinos, California · 14936 days ago · 5 km deep · 24 km away
  29. 2.310 km NNE of Avenal, California · 14935 days ago · 8 km deep · 95 km away
  30. 1.626 km W of Lockwood, California · 14934 days ago · 6 km deep · 68 km away
  31. 1.716 km SSW of Avenal, California · 14934 days ago · 20 km deep · 99 km away
  32. 1.917 km SSW of Avenal, California · 14934 days ago · 20 km deep · 100 km away
  33. 2.17 km SSW of Avenal, California · 14934 days ago · 18 km deep · 98 km away
  34. 1.623 km NE of San Lucas, California · 14934 days ago · 7 km deep · 31 km away
  35. 1.68 km NW of Kettleman City, California · 14934 days ago · 13 km deep · 100 km away
  36. 1.76 km NE of Avenal, California · 14934 days ago · 11 km deep · 98 km away
  37. 1.614 km NNE of Coalinga, California · 14933 days ago · 3 km deep · 67 km away
  38. 1.56 km WSW of Gilroy, California · 14932 days ago · 3 km deep · 78 km away
  39. 2.09 km SE of Huron, California · 14932 days ago · 8 km deep · 97 km away
  40. 2.521 km NE of Soledad, California · 14931 days ago · 2 km deep · 16 km away
  41. 1.68 km NE of Avenal, California · 14931 days ago · 13 km deep · 98 km away
  42. 3.212 km SW of Huron, California · 14931 days ago · 8 km deep · 84 km away
  43. 1.613 km SW of Huron, California · 14931 days ago · 8 km deep · 85 km away
  44. 3.314 km SSE of Tres Pinos, California · 14931 days ago · 3 km deep · 31 km away
  45. 1.510 km WSW of Huron, California · 14930 days ago · 10 km deep · 82 km away
  46. 2.120 km SSE of Tres Pinos, California · 14930 days ago · 5 km deep · 24 km away
  47. 1.62 km NW of Avenal, California · 14930 days ago · 14 km deep · 94 km away
  48. 1.97 km NE of Avenal, California · 14930 days ago · 13 km deep · 97 km away
  49. 1.812 km SW of Huron, California · 14929 days ago · 8 km deep · 84 km away
  50. 3.08 km E of Coalinga, California · 14927 days ago · 8 km deep · 77 km away
  51. 1.716 km NNW of Coalinga, California · 14926 days ago · 9 km deep · 60 km away
  52. 1.622 km NE of San Ardo, California · 14926 days ago · 1 km deep · 40 km away
  53. 1.621 km NE of Soledad, California · 14925 days ago · 7 km deep · 15 km away
  54. 1.524 km ENE of San Ardo, California · 14925 days ago · 7 km deep · 52 km away
  55. 2.110 km NNE of Avenal, California · 14925 days ago · 7 km deep · 94 km away
  56. 2.25 km ENE of Avenal, California · 14924 days ago · 10 km deep · 100 km away
  57. 2.523 km SSW of South Dos Palos, California · 14924 days ago · -1 km deep · 42 km away
  58. 2.726 km SSW of South Dos Palos, California · 14924 days ago · -1 km deep · 39 km away
  59. 1.822 km NW of San Simeon, California · 14923 days ago · 9 km deep · 77 km away
  60. 1.68 km NNE of Avenal, California · 14923 days ago · 8 km deep · 95 km away

The first 60 of 192.

Before

  1. 1.614 km S of Tres Pinos, California · 14946 days ago · 9 km deep · 32 km away
  2. 3.321 km NE of Soledad, California · 14946 days ago · 7 km deep · 15 km away
  3. 1.914 km S of Tres Pinos, California · 14946 days ago · 8 km deep · 32 km away
  4. 1.913 km SW of Huron, California · 14947 days ago · 7 km deep · 83 km away
  5. 1.52 km SW of San Juan Bautista, California · 14948 days ago · 8 km deep · 62 km away
  6. 3.43 km WSW of San Juan Bautista, California · 14948 days ago · 9 km deep · 63 km away
  7. 1.610 km NE of Coalinga, California · 14948 days ago · 13 km deep · 75 km away
  8. 1.523 km NE of King City, California · 14949 days ago · 3 km deep · 17 km away
  9. 1.66 km SSE of Gilroy, California · 14949 days ago · 3 km deep · 70 km away
  10. 1.89 km ENE of Coalinga, California · 14949 days ago · 8 km deep · 75 km away
  11. 1.515 km NNW of Coalinga, California · 14949 days ago · 7 km deep · 60 km away
  12. 1.84 km WSW of Avenal, California · 14949 days ago · 10 km deep · 94 km away
  13. 1.59 km SSE of Huron, California · 14950 days ago · 16 km deep · 95 km away
  14. 3.18 km SE of Huron, California · 14950 days ago · 8 km deep · 96 km away
  15. 1.56 km NE of Coalinga, California · 14952 days ago · 9 km deep · 72 km away
  16. 1.87 km S of Huron, California · 14952 days ago · 6 km deep · 92 km away
  17. 1.921 km NE of Soledad, California · 14952 days ago · 3 km deep · 15 km away
  18. 1.99 km S of Oak Shores, California · 14953 days ago · 4 km deep · 86 km away
  19. 2.23 km N of Avenal, California · 14953 days ago · 0 km deep · 94 km away
  20. 1.59 km NNE of San Martin, California · 14953 days ago · 5 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc57784. Read Tue, Sep 29, 2026, 2:31 PM UTC.