California earthquakes

M2.2 earthquake 24 km NE of Greenfield, California

A magnitude 2.2 earthquake struck 24 km NE of Greenfield, California on Sun, Apr 8, 1984, 3:37 AM PST (11:37 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.4 7 km NE of Coalinga, 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
2.2 (md), micro
Local time
UTC
1984-04-08 11:37:44 UTC
Depth
5.3 km (3.3 mi), shallow
Epicenter
36.470° N, 121.049° 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 0.1 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
57°
Stations used
54

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 197 in the 60 days after this one and 127 in the 30 days before it.

After

  1. 1.63 km NNW of Hollister, California · 15514 days ago · 6 km deep · 56 km away
  2. 1.820 km SSE of Tres Pinos, California · 15514 days ago · 4 km deep · 23 km away
  3. 2.722 km SSW of Three Rocks, California · 15513 days ago · 9 km deep · 50 km away
  4. 1.813 km WNW of Huron, California · 15513 days ago · 3 km deep · 76 km away
  5. 1.923 km NE of San Ardo, California · 15512 days ago · 7 km deep · 42 km away
  6. 2.013 km WNW of Huron, California · 15512 days ago · 6 km deep · 77 km away
  7. 3.713 km NE of Coalinga, California · 15512 days ago · 9 km deep · 75 km away
  8. 1.713 km NE of Coalinga, California · 15512 days ago · 8 km deep · 75 km away
  9. 1.611 km WNW of Huron, California · 15512 days ago · 4 km deep · 79 km away
  10. 2.58 km NNW of Whitley Gardens, California · 15512 days ago · 5 km deep · 94 km away
  11. 1.618 km SSW of Three Rocks, California · 15512 days ago · 33 km deep · 57 km away
  12. 1.63 km NE of Huron, California · 15512 days ago · 5 km deep · 91 km away
  13. 3.313 km NE of Coalinga, California · 15512 days ago · 8 km deep · 76 km away
  14. 2.115 km SSW of Lockwood, California · 15512 days ago · 6 km deep · 74 km away
  15. 1.613 km WNW of Huron, California · 15512 days ago · 7 km deep · 77 km away
  16. 1.715 km NW of Huron, California · 15512 days ago · 5 km deep · 77 km away
  17. 2.315 km NNW of Coalinga, California · 15511 days ago · 8 km deep · 62 km away
  18. 2.315 km NNW of Coalinga, California · 15511 days ago · 6 km deep · 60 km away
  19. 1.814 km WNW of Huron, California · 15511 days ago · 6 km deep · 76 km away
  20. 1.915 km N of Coalinga, California · 15511 days ago · 8 km deep · 63 km away
  21. 1.815 km E of Big Sur, California · 15511 days ago · 14 km deep · 57 km away
  22. 3.015 km NNW of Coalinga, California · 15511 days ago · 9 km deep · 62 km away
  23. 2.114 km NE of Coalinga, California · 15511 days ago · 7 km deep · 76 km away
  24. 2.610 km N of Coalinga, California · 15510 days ago · 10 km deep · 66 km away
  25. 1.825 km WSW of Coalinga, California · 15510 days ago · 1 km deep · 59 km away
  26. 1.910 km N of Coalinga, California · 15510 days ago · 9 km deep · 67 km away
  27. 2.4Central California · 15510 days ago · 2 km deep · 59 km away
  28. 1.812 km SW of Huron, California · 15510 days ago · 5 km deep · 87 km away
  29. 1.922 km NE of Soledad, California · 15510 days ago · 2 km deep · 10 km away
  30. 3.010 km NE of San Simeon, California · 15510 days ago · 8 km deep · 86 km away
  31. 2.710 km NE of San Simeon, California · 15510 days ago · 8 km deep · 86 km away
  32. 1.58 km NE of Coalinga, California · 15509 days ago · 11 km deep · 75 km away
  33. 1.55 km SW of Tres Pinos, California · 15509 days ago · 9 km deep · 42 km away
  34. 2.04 km E of Coalinga, California · 15509 days ago · 0 km deep · 76 km away
  35. 1.8Near the coast of Central California · 15509 days ago · 6 km deep · 70 km away
  36. 1.611 km WSW of Huron, California · 15508 days ago · 2 km deep · 80 km away
  37. 1.69 km ENE of Coalinga, California · 15508 days ago · 4 km deep · 77 km away
  38. 1.916 km NNW of Coalinga, California · 15508 days ago · 4 km deep · 59 km away
  39. 2.210 km ENE of Coalinga, California · 15508 days ago · 0 km deep · 79 km away
  40. 1.711 km N of Coalinga, California · 15507 days ago · 7 km deep · 65 km away
  41. 1.812 km SSW of Carmel Valley Village, California · 15507 days ago · 8 km deep · 71 km away
  42. 2.09 km NE of San Martin, California · 15507 days ago · 8 km deep · 86 km away
  43. 1.824 km NE of King City, California · 15507 days ago · 1 km deep · 13 km away
  44. 1.613 km NW of Avenal, California · 15507 days ago · 1 km deep · 85 km away
  45. 1.713 km SW of Huron, California · 15506 days ago · 3 km deep · 85 km away
  46. 1.511 km WSW of Huron, California · 15506 days ago · 8 km deep · 83 km away
  47. 1.711 km WSW of Huron, California · 15506 days ago · 3 km deep · 80 km away
  48. 1.511 km E of Coalinga, California · 15506 days ago · 9 km deep · 81 km away
  49. 1.93 km W of San Juan Bautista, California · 15506 days ago · 6 km deep · 63 km away
  50. 1.822 km NE of San Lucas, California · 15505 days ago · 7 km deep · 29 km away
  51. 1.79 km NE of Coalinga, California · 15505 days ago · 13 km deep · 76 km away
  52. 1.711 km NE of Coalinga, California · 15503 days ago · 5 km deep · 74 km away
  53. 1.99 km W of Huron, California · 15503 days ago · 3 km deep · 80 km away
  54. 1.832 km W of Three Rocks, California · 15502 days ago · 10 km deep · 26 km away
  55. 1.821 km NE of Soledad, California · 15502 days ago · 6 km deep · 11 km away
  56. 1.515 km NW of Parkfield, California · 15502 days ago · 5 km deep · 69 km away
  57. 1.68 km NNE of Coalinga, California · 15502 days ago · 2 km deep · 72 km away
  58. 1.711 km ENE of Coalinga, California · 15502 days ago · 9 km deep · 79 km away
  59. 1.913 km WNW of Huron, California · 15502 days ago · 13 km deep · 77 km away
  60. 1.810 km NNW of Coalinga, California · 15501 days ago · 7 km deep · 64 km away

The first 60 of 197.

Before

  1. 3.115 km N of Coalinga, California · 15514 days ago · 7 km deep · 65 km away
  2. 1.512 km E of Coalinga, California · 15515 days ago · 4 km deep · 83 km away
  3. 1.95 km SSE of San Juan Bautista, California · 15515 days ago · 5 km deep · 56 km away
  4. 2.010 km NW of Coalinga, California · 15515 days ago · 0 km deep · 62 km away
  5. 2.312 km NW of Coalinga, California · 15515 days ago · 2 km deep · 60 km away
  6. 1.710 km ESE of Coalinga, California · 15516 days ago · 11 km deep · 82 km away
  7. 2.323 km WSW of Lockwood, California · 15516 days ago · 7 km deep · 72 km away
  8. 1.733 km W of Lockwood, California · 15516 days ago · 3 km deep · 72 km away
  9. 1.626 km NW of San Simeon, California · 15516 days ago · 10 km deep · 79 km away
  10. 2.124 km ENE of Soledad, California · 15516 days ago · 4 km deep · 4 km away
  11. 2.124 km NE of Greenfield, California · 15516 days ago · 6 km deep · 0 km away
  12. 2.423 km ENE of Soledad, California · 15516 days ago · 4 km deep · 4 km away
  13. 1.617 km NNW of Coalinga, California · 15517 days ago · 8 km deep · 60 km away
  14. 1.810 km W of Huron, California · 15517 days ago · 5 km deep · 80 km away
  15. 2.510 km ENE of Coalinga, California · 15517 days ago · 11 km deep · 77 km away
  16. 1.913 km NW of Coalinga, California · 15517 days ago · 0 km deep · 59 km away
  17. 2.310 km ENE of Coalinga, California · 15517 days ago · 10 km deep · 78 km away
  18. 2.135 km SSW of South Dos Palos, California · 15517 days ago · 5 km deep · 30 km away
  19. 1.611 km ENE of Coalinga, California · 15517 days ago · 11 km deep · 78 km away
  20. 1.935 km SSW of South Dos Palos, California · 15517 days ago · 4 km deep · 30 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc14421 (also filed as ci36381). Read Tue, Sep 29, 2026, 11:47 AM UTC.