California earthquakes

M1.9 earthquake 25 km ENE of Greenfield, California

A magnitude 1.9 earthquake struck 25 km ENE of Greenfield, California on Wed, Dec 4, 1985, 9:18 PM PST (05:18 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M5.5 3 km ENE of Tres Pinos, California. This one was a foreshock.

Greenfield 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
1.9 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1985-12-05 05:18:31 UTC
Depth
1.7 km (1.1 mi), shallow
Epicenter
36.439° N, 120.996° 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
±0.24
Depth from
From location
Station coverage gap
78°
Stations used
34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 196 in the 60 days after this one and 123 in the 30 days before it.

After

  1. 1.63 km ENE of San Ardo, California · 14912 days ago · 11 km deep · 46 km away
  2. 2.04 km SSE of San Juan Bautista, California · 14912 days ago · 4 km deep · 62 km away
  3. 1.624 km SE of Big Sur, California · 14912 days ago · 14 km deep · 66 km away
  4. 2.68 km S of Merced, California · 14911 days ago · 16 km deep · 99 km away
  5. 1.91 km NNE of Tres Pinos, California · 14910 days ago · 8 km deep · 49 km away
  6. 2.06 km N of Coalinga, California · 14910 days ago · 12 km deep · 63 km away
  7. 2.26 km N of Coalinga, California · 14910 days ago · 12 km deep · 62 km away
  8. 3.012 km NNE of Coalinga, California · 14910 days ago · 19 km deep · 67 km away
  9. 1.612 km NNE of Coalinga, California · 14909 days ago · 6 km deep · 68 km away
  10. 1.723 km NE of King City, California · 14909 days ago · 3 km deep · 11 km away
  11. 2.515 km NNW of Coalinga, California · 14909 days ago · 5 km deep · 53 km away
  12. 1.5Central California · 14909 days ago · 5 km deep · 81 km away
  13. 1.65 km N of Avenal, California · 14908 days ago · 6 km deep · 89 km away
  14. 1.617 km SSE of Tres Pinos, California · 14908 days ago · 6 km deep · 33 km away
  15. 1.93 km N of Aromas, California · 14907 days ago · 5 km deep · 79 km away
  16. 1.611 km SW of Huron, California · 14907 days ago · 6 km deep · 78 km away
  17. 2.311 km N of Coalinga, California · 14906 days ago · 10 km deep · 61 km away
  18. 1.524 km NE of Greenfield, California · 14906 days ago · 5 km deep · 5 km away
  19. 1.926 km W of Volta, California · 14905 days ago · 4 km deep · 74 km away
  20. 3.06 km NNE of Interlaken, California · 14903 days ago · 11 km deep · 90 km away
  21. 3.46 km NNE of Interlaken, California · 14903 days ago · 12 km deep · 90 km away
  22. 2.17 km NNE of Interlaken, California · 14903 days ago · 10 km deep · 90 km away
  23. 1.96 km NNE of Interlaken, California · 14903 days ago · 11 km deep · 90 km away
  24. 1.824 km NE of Greenfield, California · 14903 days ago · 5 km deep · 4 km away
  25. 1.911 km S of Huron, California · 14903 days ago · 7 km deep · 89 km away
  26. 1.78 km ENE of Morgan Hill, California · 14903 days ago · 3 km deep · 96 km away
  27. 1.715 km NW of Parkfield, California · 14903 days ago · 4 km deep · 63 km away
  28. 1.631 km NE of Soledad, California · 14902 days ago · 8 km deep · 16 km away
  29. 3.025 km ENE of San Ardo, California · 14902 days ago · 5 km deep · 51 km away
  30. 1.915 km NW of Parkfield, California · 14902 days ago · 5 km deep · 63 km away
  31. 1.823 km WSW of Lockwood, California · 14902 days ago · 4 km deep · 68 km away
  32. 1.77 km W of Gilroy, California · 14902 days ago · 9 km deep · 85 km away
  33. 1.713 km N of Coalinga, California · 14902 days ago · 9 km deep · 62 km away
  34. 2.59 km NE of San Martin, California · 14902 days ago · 8 km deep · 94 km away
  35. 2.121 km NE of Soledad, California · 14901 days ago · 5 km deep · 22 km away
  36. 1.815 km NW of Parkfield, California · 14901 days ago · 5 km deep · 63 km away
  37. 2.17 km NE of Interlaken, California · 14901 days ago · 10 km deep · 86 km away
  38. 1.88 km SE of San Juan Bautista, California · 14900 days ago · 4 km deep · 58 km away
  39. 1.88 km SE of San Juan Bautista, California · 14900 days ago · 4 km deep · 58 km away
  40. 2.32 km ESE of San Ardo, California · 14900 days ago · 10 km deep · 48 km away
  41. 1.617 km NW of Parkfield, California · 14899 days ago · 3 km deep · 61 km away
  42. 1.77 km NNE of Coalinga, California · 14899 days ago · 7 km deep · 65 km away
  43. 1.61 km ESE of San Ardo, California · 14898 days ago · 11 km deep · 48 km away
  44. 2.321 km NE of Soledad, California · 14898 days ago · 7 km deep · 23 km away
  45. 1.98 km NE of Coalinga, California · 14898 days ago · 10 km deep · 68 km away
  46. 1.97 km NE of Interlaken, California · 14898 days ago · 10 km deep · 86 km away
  47. 2.1Central California · 14898 days ago · 18 km deep · 37 km away
  48. 1.921 km NE of Soledad, California · 14897 days ago · 7 km deep · 23 km away
  49. 2.49 km SSW of Ridgemark, California · 14897 days ago · 6 km deep · 49 km away
  50. 1.67 km WNW of Kettleman City, California · 14897 days ago · 10 km deep · 97 km away
  51. 2.022 km NW of Parkfield, California · 14897 days ago · 6 km deep · 56 km away
  52. 1.621 km NE of Soledad, California · 14896 days ago · 3 km deep · 21 km away
  53. 1.73 km S of San Juan Bautista, California · 14896 days ago · 4 km deep · 64 km away
  54. 1.66 km NNE of Ridgemark, California · 14896 days ago · 6 km deep · 56 km away
  55. 1.812 km SSE of Huron, California · 14896 days ago · 7 km deep · 92 km away
  56. 1.839 km W of Three Rocks, California · 14895 days ago · 5 km deep · 19 km away
  57. 1.810 km NE of Coalinga, California · 14895 days ago · 9 km deep · 71 km away
  58. 2.16 km NW of Parkfield, California · 14894 days ago · 5 km deep · 72 km away
  59. 2.728 km ENE of Soledad, California · 14894 days ago · 9 km deep · 15 km away
  60. 3.011 km NE of Coalinga, California · 14894 days ago · 9 km deep · 72 km away

The first 60 of 196.

Before

  1. 1.924 km ENE of Greenfield, California · 14912 days ago · 5 km deep · 3 km away
  2. 1.617 km SSE of Tres Pinos, California · 14913 days ago · 6 km deep · 33 km away
  3. 2.017 km SSE of Tres Pinos, California · 14913 days ago · 6 km deep · 33 km away
  4. 1.820 km WSW of Lockwood, California · 14913 days ago · 6 km deep · 70 km away
  5. 1.611 km SSW of Huron, California · 14914 days ago · 7 km deep · 84 km away
  6. 1.917 km SSE of Tres Pinos, California · 14914 days ago · 4 km deep · 33 km away
  7. 1.812 km S of Tres Pinos, California · 14915 days ago · 2 km deep · 39 km away
  8. 1.65 km NE of Ridgemark, California · 14915 days ago · 5 km deep · 54 km away
  9. 2.88 km SE of Avenal, California · 14915 days ago · 9 km deep · 100 km away
  10. 2.03 km SE of Avenal, California · 14915 days ago · 7 km deep · 95 km away
  11. 2.927 km ENE of Soledad, California · 14916 days ago · 6 km deep · 15 km away
  12. 1.627 km ENE of Soledad, California · 14916 days ago · 6 km deep · 15 km away
  13. 2.227 km ENE of Soledad, California · 14916 days ago · 6 km deep · 14 km away
  14. 2.230 km ENE of Soledad, California · 14916 days ago · 8 km deep · 16 km away
  15. 1.831 km ENE of Soledad, California · 14916 days ago · 8 km deep · 15 km away
  16. 1.631 km ENE of Soledad, California · 14916 days ago · 7 km deep · 15 km away
  17. 2.15 km SE of Tres Pinos, California · 14916 days ago · 7 km deep · 43 km away
  18. 1.98 km S of Huron, California · 14917 days ago · 8 km deep · 88 km away
  19. 2.86 km S of Huron, California · 14917 days ago · 5 km deep · 87 km away
  20. 2.831 km ENE of Soledad, California · 14917 days ago · 8 km deep · 15 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc60655. Read Sat, Oct 3, 2026, 4:18 AM UTC.