California earthquakes

M2.5 earthquake 25 km ENE of Greenfield, California

A magnitude 2.5 earthquake struck 25 km ENE of Greenfield, California on Sun, Mar 11, 1984, 8:21 PM PST (04:21 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M2.6 10 km N 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
2.5 (md), micro
Local time
UTC
1984-03-12 04:21:13 UTC
Depth
1.0 km (0.6 mi), shallow
Epicenter
36.429° N, 120.992° 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, 1.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
94°
Stations used
43

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 0 in the 30 days before it.

After

  1. 2.610 km N of Coalinga, California · 15504 days ago · 10 km deep · 59 km away
  2. 1.825 km WSW of Coalinga, California · 15504 days ago · 1 km deep · 52 km away
  3. 1.910 km N of Coalinga, California · 15504 days ago · 9 km deep · 60 km away
  4. 2.4Central California · 15504 days ago · 2 km deep · 52 km away
  5. 1.812 km SW of Huron, California · 15504 days ago · 5 km deep · 81 km away
  6. 1.922 km NE of Soledad, California · 15503 days ago · 2 km deep · 17 km away
  7. 3.010 km NE of San Simeon, California · 15503 days ago · 8 km deep · 82 km away
  8. 2.710 km NE of San Simeon, California · 15503 days ago · 8 km deep · 82 km away
  9. 1.58 km NE of Coalinga, California · 15503 days ago · 11 km deep · 68 km away
  10. 1.55 km SW of Tres Pinos, California · 15502 days ago · 9 km deep · 49 km away
  11. 2.04 km E of Coalinga, California · 15502 days ago · 0 km deep · 69 km away
  12. 1.8Near the coast of Central California · 15502 days ago · 6 km deep · 68 km away
  13. 1.611 km WSW of Huron, California · 15502 days ago · 2 km deep · 74 km away
  14. 1.69 km ENE of Coalinga, California · 15501 days ago · 4 km deep · 70 km away
  15. 1.916 km NNW of Coalinga, California · 15501 days ago · 4 km deep · 53 km away
  16. 2.210 km ENE of Coalinga, California · 15501 days ago · 0 km deep · 72 km away
  17. 1.711 km N of Coalinga, California · 15501 days ago · 7 km deep · 58 km away
  18. 1.812 km SSW of Carmel Valley Village, California · 15501 days ago · 8 km deep · 75 km away
  19. 2.09 km NE of San Martin, California · 15501 days ago · 8 km deep · 92 km away
  20. 1.824 km NE of King City, California · 15500 days ago · 1 km deep · 6 km away
  21. 1.613 km NW of Avenal, California · 15500 days ago · 1 km deep · 79 km away
  22. 1.713 km SW of Huron, California · 15500 days ago · 3 km deep · 79 km away
  23. 1.511 km WSW of Huron, California · 15500 days ago · 8 km deep · 77 km away
  24. 1.711 km WSW of Huron, California · 15499 days ago · 3 km deep · 74 km away
  25. 1.511 km E of Coalinga, California · 15499 days ago · 9 km deep · 74 km away
  26. 1.93 km W of San Juan Bautista, California · 15499 days ago · 6 km deep · 70 km away
  27. 1.822 km NE of San Lucas, California · 15498 days ago · 7 km deep · 22 km away
  28. 1.79 km NE of Coalinga, California · 15498 days ago · 13 km deep · 70 km away
  29. 1.711 km NE of Coalinga, California · 15496 days ago · 5 km deep · 67 km away
  30. 1.99 km W of Huron, California · 15496 days ago · 3 km deep · 74 km away
  31. 1.832 km W of Three Rocks, California · 15496 days ago · 10 km deep · 22 km away
  32. 1.821 km NE of Soledad, California · 15496 days ago · 6 km deep · 17 km away
  33. 1.515 km NW of Parkfield, California · 15495 days ago · 5 km deep · 62 km away
  34. 1.68 km NNE of Coalinga, California · 15495 days ago · 2 km deep · 66 km away
  35. 1.711 km ENE of Coalinga, California · 15495 days ago · 9 km deep · 73 km away
  36. 1.913 km WNW of Huron, California · 15495 days ago · 13 km deep · 70 km away
  37. 1.810 km NNW of Coalinga, California · 15494 days ago · 7 km deep · 58 km away
  38. 1.612 km W of Huron, California · 15494 days ago · 11 km deep · 71 km away
  39. 2.025 km NNE of King City, California · 15494 days ago · 1 km deep · 3 km away
  40. 2.412 km N of Coalinga, California · 15494 days ago · 9 km deep · 61 km away
  41. 2.016 km WNW of Coalinga, California · 15494 days ago · 8 km deep · 49 km away
  42. 2.46 km NNE of Coalinga, California · 15493 days ago · 8 km deep · 65 km away
  43. 1.511 km SW of Huron, California · 15493 days ago · 8 km deep · 78 km away
  44. 2.111 km S of Tres Pinos, California · 15493 days ago · 8 km deep · 41 km away
  45. 2.03 km ESE of Aromas, California · 15492 days ago · 6 km deep · 74 km away
  46. 1.53 km ESE of Aromas, California · 15492 days ago · 7 km deep · 74 km away
  47. 2.23 km ESE of Aromas, California · 15492 days ago · 7 km deep · 74 km away
  48. 1.54 km NE of San Martin, California · 15492 days ago · 5 km deep · 92 km away
  49. 4.07 km NE of Coalinga, California · 15492 days ago · 12 km deep · 68 km away
  50. 1.67 km NE of Coalinga, California · 15492 days ago · 7 km deep · 67 km away
  51. 1.68 km ENE of Coalinga, California · 15492 days ago · 3 km deep · 71 km away
  52. 2.36 km ENE of Coalinga, California · 15492 days ago · 7 km deep · 68 km away
  53. 1.65 km NNW of Coalinga, California · 15492 days ago · 2 km deep · 62 km away
  54. 1.58 km ENE of Coalinga, California · 15492 days ago · 6 km deep · 71 km away
  55. 1.98 km ENE of Coalinga, California · 15492 days ago · 5 km deep · 71 km away
  56. 2.011 km WSW of Huron, California · 15491 days ago · 9 km deep · 75 km away
  57. 1.616 km NNW of Coalinga, California · 15491 days ago · 7 km deep · 56 km away
  58. 1.810 km NE of Morgan Hill, California · 15491 days ago · 8 km deep · 100 km away
  59. 2.110 km NE of Morgan Hill, California · 15491 days ago · 9 km deep · 100 km away
  60. 1.6Northern California · 15491 days ago · 1 km deep · 98 km away

The first 60 of 197.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc10109 (also filed as ci33564). Read Tue, Sep 22, 2026, 8:50 PM UTC.