California earthquakes

M1.6 earthquake 24 km NE of Greenfield, California

A magnitude 1.6 earthquake struck 24 km NE of Greenfield, California on Sat, May 4, 1985, 6:08 AM PDT (13:08 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.2 20 km NW of Parkfield, 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
1.6 (md), micro
Local time
UTC
1985-05-04 13:08:08 UTC
Depth
5.2 km (3.2 mi), shallow
Epicenter
36.483° N, 121.057° 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 0.3 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.34
Depth from
From location
Station coverage gap
111°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 148 in the 60 days after this one and 41 in the 30 days before it.

After

  1. 2.220 km NW of Parkfield, California · 15116 days ago · 4 km deep · 66 km away
  2. 2.18 km NE of San Martin, California · 15116 days ago · 8 km deep · 83 km away
  3. 1.916 km NNW of Coalinga, California · 15116 days ago · 6 km deep · 60 km away
  4. 1.69 km E of Gilroy, California · 15116 days ago · 10 km deep · 67 km away
  5. 1.921 km NE of Soledad, California · 15115 days ago · 4 km deep · 11 km away
  6. 1.524 km WSW of Lockwood, California · 15115 days ago · 9 km deep · 75 km away
  7. 2.521 km NE of Soledad, California · 15115 days ago · 8 km deep · 10 km away
  8. 1.713 km NNE of Coalinga, California · 15115 days ago · 9 km deep · 71 km away
  9. 2.18 km NE of Coalinga, California · 15114 days ago · 7 km deep · 77 km away
  10. 1.616 km SSE of Tres Pinos, California · 15114 days ago · 6 km deep · 27 km away
  11. 2.011 km NNW of Hollister, California · 15114 days ago · 4 km deep · 63 km away
  12. 1.921 km NW of Parkfield, California · 15114 days ago · 5 km deep · 65 km away
  13. 1.611 km NNW of Hollister, California · 15113 days ago · 4 km deep · 63 km away
  14. 1.811 km NNW of Hollister, California · 15113 days ago · 3 km deep · 62 km away
  15. 2.510 km N of Coalinga, California · 15113 days ago · 9 km deep · 69 km away
  16. 2.0Central California · 15112 days ago · 7 km deep · 87 km away
  17. 2.15 km ENE of Coalinga, California · 15111 days ago · 12 km deep · 77 km away
  18. 1.723 km ENE of Soledad, California · 15111 days ago · 6 km deep · 2 km away
  19. 1.79 km SSW of Tres Pinos, California · 15111 days ago · 3 km deep · 37 km away
  20. 2.510 km NW of Bradley, California · 15111 days ago · 5 km deep · 65 km away
  21. 1.52 km NE of Coalinga, California · 15110 days ago · 11 km deep · 74 km away
  22. 1.69 km SW of Carmel Valley Village, California · 15110 days ago · 6 km deep · 69 km away
  23. 1.924 km NW of San Simeon, California · 15110 days ago · 10 km deep · 82 km away
  24. 1.710 km N of Coalinga, California · 15110 days ago · 12 km deep · 68 km away
  25. 1.79 km N of Morgan Hill, California · 15110 days ago · 5 km deep · 97 km away
  26. 4.37 km NE of Coalinga, California · 15110 days ago · 11 km deep · 77 km away
  27. 1.98 km ENE of Coalinga, California · 15110 days ago · 10 km deep · 77 km away
  28. 1.78 km ENE of Coalinga, California · 15109 days ago · 11 km deep · 78 km away
  29. 1.812 km N of Morgan Hill, California · 15109 days ago · 6 km deep · 99 km away
  30. 2.32 km SW of Hollister, California · 15109 days ago · 6 km deep · 51 km away
  31. 1.88 km ENE of San Martin, California · 15109 days ago · 7 km deep · 82 km away
  32. 1.522 km ENE of San Lucas, California · 15109 days ago · 5 km deep · 35 km away
  33. 2.136 km W of Three Rocks, California · 15108 days ago · 3 km deep · 25 km away
  34. 1.937 km W of Three Rocks, California · 15108 days ago · 0 km deep · 24 km away
  35. 1.536 km W of Three Rocks, California · 15107 days ago · 1 km deep · 24 km away
  36. 2.410 km N of Coalinga, California · 15107 days ago · 9 km deep · 68 km away
  37. 1.924 km NE of Greenfield, California · 15107 days ago · 3 km deep · 2 km away
  38. 1.612 km NNW of Coalinga, California · 15106 days ago · 4 km deep · 65 km away
  39. 2.08 km WSW of Huron, California · 15106 days ago · 9 km deep · 86 km away
  40. 1.69 km NE of Gilroy, California · 15103 days ago · 9 km deep · 76 km away
  41. 2.321 km SW of Three Rocks, California · 15102 days ago · 15 km deep · 44 km away
  42. 1.69 km NW of Parkfield, California · 15102 days ago · 11 km deep · 77 km away
  43. 2.020 km SW of Three Rocks, California · 15102 days ago · 15 km deep · 44 km away
  44. 2.533 km NE of King City, California · 15102 days ago · 7 km deep · 23 km away
  45. 1.717 km SSE of Tres Pinos, California · 15102 days ago · 9 km deep · 25 km away
  46. 1.711 km NE of Coalinga, California · 15101 days ago · 9 km deep · 78 km away
  47. 1.622 km NE of Soledad, CA · 15101 days ago · 3 km deep · 13 km away
  48. 1.825 km NW of San Simeon, California · 15100 days ago · 7 km deep · 80 km away
  49. 1.621 km NE of Soledad, California · 15100 days ago · 4 km deep · 12 km away
  50. 1.610 km NNW of Hollister, California · 15100 days ago · 0 km deep · 61 km away
  51. 3.114 km SE of Parkfield, California · 15099 days ago · 9 km deep · 100 km away
  52. 1.918 km NE of Soledad, California · 15098 days ago · 10 km deep · 15 km away
  53. 2.04 km NNE of Coalinga, California · 15097 days ago · 12 km deep · 72 km away
  54. 2.120 km SW of Three Rocks, California · 15097 days ago · 13 km deep · 46 km away
  55. 2.110 km NNE of Coalinga, California · 15097 days ago · 9 km deep · 71 km away
  56. 1.717 km SW of Soledad, California · 15096 days ago · 8 km deep · 41 km away
  57. 2.022 km NE of Soledad, California · 15096 days ago · 2 km deep · 9 km away
  58. 3.37km NW of Parkfield, CA · 15096 days ago · 10 km deep · 79 km away
  59. 2.024 km WSW of Lockwood, California · 15095 days ago · 7 km deep · 74 km away
  60. 2.612 km N of Coalinga, California · 15094 days ago · 11 km deep · 65 km away

The first 60 of 148.

Before

  1. 2.015 km SSE of Tres Pinos, California · 15117 days ago · 5 km deep · 27 km away
  2. 2.112 km S of Tres Pinos, California · 15117 days ago · 5 km deep · 31 km away
  3. 3.015 km SSE of Tres Pinos, California · 15117 days ago · 5 km deep · 27 km away
  4. 2.615 km SSE of Tres Pinos, California · 15117 days ago · 5 km deep · 27 km away
  5. 1.58 km ENE of Coalinga, California · 15118 days ago · 11 km deep · 79 km away
  6. 2.08 km S of Huron, California · 15118 days ago · 5 km deep · 93 km away
  7. 1.83 km ESE of Aromas, California · 15119 days ago · 7 km deep · 66 km away
  8. 2.815 km SSE of Tres Pinos, California · 15120 days ago · 5 km deep · 27 km away
  9. 1.630 km NE of Soledad, California · 15121 days ago · 7 km deep · 11 km away
  10. 1.68 km NNW of Coalinga, California · 15121 days ago · 7 km deep · 66 km away
  11. 1.88 km ENE of San Martin, California · 15121 days ago · 5 km deep · 81 km away
  12. 2.210 km SSW of Huron, California · 15121 days ago · 2 km deep · 90 km away
  13. 1.624 km NE of Greenfield, California · 15122 days ago · 7 km deep · 4 km away
  14. 1.828 km SE of Big Sur, California · 15122 days ago · 3 km deep · 63 km away
  15. 2.05 km SW of Ridgemark, California · 15122 days ago · 7 km deep · 46 km away
  16. 1.65 km SE of Tres Pinos, California · 15123 days ago · 8 km deep · 36 km away
  17. 1.713 km S of Tres Pinos, California · 15123 days ago · 4 km deep · 30 km away
  18. 2.412 km S of Tres Pinos, California · 15123 days ago · 5 km deep · 31 km away
  19. 1.624 km ENE of Soledad, California · 15123 days ago · 3 km deep · 1 km away
  20. 1.624 km NE of Greenfield, California · 15123 days ago · 6 km deep · 3 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc47162. Read Tue, Sep 22, 2026, 9:32 PM UTC.