California earthquakes

M1.7 earthquake 24 km NE of Greenfield, California

A magnitude 1.7 earthquake struck 24 km NE of Greenfield, California on Sat, Apr 13, 1985, 12:21 PM PST (20:21 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.3 7 km NE of Coalinga, 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1985-04-13 20:21:54 UTC
Depth
6.2 km (3.9 mi), shallow
Epicenter
36.475° N, 121.053° 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, 0.5 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
112°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 176 in the 60 days after this one and 97 in the 30 days before it.

After

  1. 1.78 km E of Huron, California · 15149 days ago · 25 km deep · 99 km away
  2. 2.224 km NE of King City, California · 15149 days ago · 8 km deep · 17 km away
  3. 1.79 km E of Coalinga, California · 15149 days ago · 10 km deep · 79 km away
  4. 1.98 km NNW of Avenal, California · 15149 days ago · 0 km deep · 91 km away
  5. 1.927 km E of Tres Pinos, California · 15149 days ago · 4 km deep · 31 km away
  6. 1.98 km NNW of Avenal, California · 15148 days ago · 5 km deep · 92 km away
  7. 2.325 km NW of San Simeon, California · 15148 days ago · 9 km deep · 79 km away
  8. 2.126 km NE of Soledad, California · 15148 days ago · 8 km deep · 10 km away
  9. 2.29 km NNE of Coalinga, California · 15147 days ago · 9 km deep · 73 km away
  10. 2.5Central California · 15147 days ago · 9 km deep · 71 km away
  11. 1.713 km NNE of Coalinga, California · 15147 days ago · 9 km deep · 71 km away
  12. 1.99 km SSW of Ridgemark, California · 15146 days ago · 7 km deep · 43 km away
  13. 2.419 km SSW of Santa Cruz, California · 15146 days ago · 3 km deep · 99 km away
  14. 1.722 km NE of San Lucas, California · 15146 days ago · 6 km deep · 29 km away
  15. 2.03 km ESE of Aromas, California · 15145 days ago · 7 km deep · 66 km away
  16. 2.4Northern California · 15145 days ago · 8 km deep · 72 km away
  17. 2.68 km ENE of Morgan Hill, California · 15145 days ago · 3 km deep · 89 km away
  18. 1.610 km E of Coalinga, California · 15145 days ago · 0 km deep · 82 km away
  19. 2.012 km E of Coalinga, California · 15145 days ago · 8 km deep · 84 km away
  20. 1.612 km E of Coalinga, California · 15145 days ago · 9 km deep · 84 km away
  21. 1.73 km ENE of Cambria, California · 15144 days ago · 1 km deep · 100 km away
  22. 1.65 km S of Three Rocks, California · 15144 days ago · 3 km deep · 60 km away
  23. 2.111 km NNW of Whitley Gardens, California · 15143 days ago · 12 km deep · 92 km away
  24. 2.59 km S of Tres Pinos, California · 15143 days ago · 2 km deep · 36 km away
  25. 2.39 km S of Tres Pinos, California · 15143 days ago · 3 km deep · 36 km away
  26. 1.826 km NE of Greenfield, California · 15142 days ago · 6 km deep · 4 km away
  27. 1.516 km SSE of Tres Pinos, California · 15142 days ago · 5 km deep · 27 km away
  28. 1.625 km NW of San Simeon, California · 15142 days ago · 7 km deep · 78 km away
  29. 2.010 km S of Tres Pinos, California · 15142 days ago · 3 km deep · 34 km away
  30. 1.84 km N of Coalinga, California · 15141 days ago · 12 km deep · 71 km away
  31. 2.318 km SSE of Tres Pinos, California · 15141 days ago · 6 km deep · 25 km away
  32. 1.629 km SE of Big Sur, California · 15140 days ago · 6 km deep · 59 km away
  33. 3.08 km NE of San Martin, California · 15140 days ago · 7 km deep · 84 km away
  34. 1.629 km SE of Big Sur, California · 15140 days ago · 7 km deep · 60 km away
  35. 1.817 km NW of Parkfield, California · 15140 days ago · 5 km deep · 67 km away
  36. 1.98 km ENE of San Martin, California · 15140 days ago · 7 km deep · 82 km away
  37. 2.923 km ENE of Soledad, California · 15140 days ago · 4 km deep · 5 km away
  38. 2.58 km ENE of San Martin, California · 15140 days ago · 7 km deep · 84 km away
  39. 3.08 km ENE of San Martin, California · 15139 days ago · 7 km deep · 84 km away
  40. 2.09 km NE of San Martin, California · 15139 days ago · 7 km deep · 85 km away
  41. 2.010 km NNW of Coalinga, California · 15139 days ago · 8 km deep · 65 km away
  42. 1.523 km ENE of Soledad, California · 15139 days ago · 4 km deep · 5 km away
  43. 1.615 km NW of Coalinga, California · 15138 days ago · 6 km deep · 58 km away
  44. 2.226 km NE of Soledad, California · 15138 days ago · 8 km deep · 13 km away
  45. 2.010 km NE of Coalinga, California · 15138 days ago · 8 km deep · 77 km away
  46. 1.921 km NE of Soledad, California · 15138 days ago · 2 km deep · 12 km away
  47. 1.612 km N of Coalinga, California · 15138 days ago · 10 km deep · 68 km away
  48. 1.622 km NE of Soledad, California · 15138 days ago · 6 km deep · 10 km away
  49. 1.710 km NE of Coalinga, California · 15137 days ago · 8 km deep · 75 km away
  50. 1.68 km ENE of San Martin, California · 15137 days ago · 7 km deep · 82 km away
  51. 1.68 km S of San Ardo, California · 15137 days ago · 8 km deep · 60 km away
  52. 2.11 km SSW of Coalinga, California · 15136 days ago · 11 km deep · 73 km away
  53. 3.024 km ENE of Greenfield, California · 15136 days ago · 8 km deep · 5 km away
  54. 1.512 km NNE of Hollister, California · 15136 days ago · 8 km deep · 58 km away
  55. 2.323 km ENE of Soledad, California · 15136 days ago · 2 km deep · 6 km away
  56. 2.413 km S of Tres Pinos, California · 15136 days ago · 4 km deep · 31 km away
  57. 2.221 km NE of Soledad, California · 15136 days ago · 4 km deep · 16 km away
  58. 3.15 km S of Gilroy, California · 15136 days ago · 5 km deep · 71 km away
  59. 3.012 km S of Tres Pinos, California · 15135 days ago · 4 km deep · 31 km away
  60. 1.624 km NE of Greenfield, California · 15135 days ago · 6 km deep · 2 km away

The first 60 of 176.

Before

  1. 2.324 km NE of King City, California · 15149 days ago · 7 km deep · 17 km away
  2. 3.123 km ENE of San Lucas, California · 15150 days ago · 6 km deep · 34 km away
  3. 1.610 km WSW of Huron, California · 15151 days ago · 9 km deep · 84 km away
  4. 1.64 km W of South Dos Palos, California · 15151 days ago · 10 km deep · 63 km away
  5. 1.529 km SSW of Los Banos, California · 15151 days ago · 2 km deep · 38 km away
  6. 1.66 km W of Greenfield, California · 15151 days ago · 9 km deep · 30 km away
  7. 2.224 km NE of Greenfield, California · 15151 days ago · 5 km deep · 1 km away
  8. 1.610 km NE of Coalinga, California · 15151 days ago · 8 km deep · 75 km away
  9. 1.711 km S of Tres Pinos, California · 15152 days ago · 10 km deep · 33 km away
  10. 2.412 km N of Morgan Hill, California · 15152 days ago · 5 km deep · 100 km away
  11. 1.98 km ENE of Coalinga, California · 15152 days ago · 11 km deep · 78 km away
  12. 1.59 km NNE of Coalinga, California · 15153 days ago · 8 km deep · 73 km away
  13. 3.112 km N of Morgan Hill, California · 15153 days ago · 5 km deep · 99 km away
  14. 2.722 km NE of Soledad, California · 15154 days ago · 2 km deep · 17 km away
  15. 1.518 km N of Coalinga, California · 15154 days ago · 7 km deep · 68 km away
  16. 2.211 km NE of Coalinga, California · 15154 days ago · 6 km deep · 75 km away
  17. 2.410 km NE of Coalinga, California · 15154 days ago · 8 km deep · 75 km away
  18. 2.133 km W of Three Rocks, California · 15154 days ago · 9 km deep · 26 km away
  19. 1.832 km W of Three Rocks, California · 15154 days ago · 9 km deep · 27 km away
  20. 1.610 km NE of Coalinga, California · 15154 days ago · 7 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc46053. Read Sun, Oct 4, 2026, 11:40 PM UTC.