California earthquakes

M2.3 earthquake 21 km NE of Soledad, California

A magnitude 2.3 earthquake struck 21 km NE of Soledad, California on Sat, Dec 22, 1979, 10:28 AM PST (18:28 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.3 9 km S of Tres Pinos, 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
2.3 (md), micro
Local time
UTC
1979-12-22 18:28:14 UTC
Depth
6.4 km (4.0 mi), shallow
Epicenter
36.558° N, 121.153° 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, 0.6 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
56°
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: 174 in the 60 days after this one and 23 in the 30 days before it.

After

  1. 3.39 km S of Tres Pinos, California · 17076 days ago · 3 km deep · 23 km away
  2. 1.99 km SSW of Tres Pinos, California · 17076 days ago · 2 km deep · 24 km away
  3. 1.79 km SSW of Tres Pinos, California · 17075 days ago · 3 km deep · 24 km away
  4. 2.25 km SSW of Gilroy, California · 17073 days ago · 4 km deep · 60 km away
  5. 2.45 km SSW of Gilroy, California · 17073 days ago · 4 km deep · 60 km away
  6. 1.618 km E of East Foothills, California · 17073 days ago · 4 km deep · 97 km away
  7. 2.211 km ESE of East Foothills, California · 17073 days ago · 7 km deep · 99 km away
  8. 1.83 km ESE of Aromas, California · 17073 days ago · 7 km deep · 54 km away
  9. 2.49 km ENE of Gilroy, California · 17072 days ago · 9 km deep · 61 km away
  10. 1.719 km NW of Parkfield, California · 17071 days ago · 4 km deep · 79 km away
  11. 2.09 km NE of Gilroy, California · 17070 days ago · 9 km deep · 65 km away
  12. 1.59 km NE of Gilroy, California · 17069 days ago · 9 km deep · 65 km away
  13. 1.623 km NE of King City, California · 17069 days ago · 4 km deep · 32 km away
  14. 2.924 km NE of Greenfield, California · 17069 days ago · 7 km deep · 14 km away
  15. 2.44 km ESE of Lexington Hills, California · 17069 days ago · 11 km deep · 95 km away
  16. 1.98 km ENE of San Martin, California · 17069 days ago · 7 km deep · 71 km away
  17. 1.724 km NE of Greenfield, California · 17068 days ago · 6 km deep · 15 km away
  18. 1.79 km S of Tres Pinos, California · 17068 days ago · 2 km deep · 23 km away
  19. 2.49 km S of Tres Pinos, California · 17068 days ago · 2 km deep · 23 km away
  20. 2.69 km ENE of Gilroy, California · 17068 days ago · 7 km deep · 59 km away
  21. 2.424 km NE of Greenfield, California · 17068 days ago · 5 km deep · 15 km away
  22. 2.024 km NE of Greenfield, California · 17068 days ago · 4 km deep · 15 km away
  23. 1.611 km S of Tres Pinos, California · 17068 days ago · 8 km deep · 21 km away
  24. 2.224 km NE of Greenfield, California · 17068 days ago · 6 km deep · 15 km away
  25. 1.924 km NE of Soledad, California · 17068 days ago · 9 km deep · 3 km away
  26. 2.3Central California · 17068 days ago · 5 km deep · 66 km away
  27. 2.126 km ESE of Big Sur, California · 17067 days ago · 5 km deep · 57 km away
  28. 1.88 km ENE of Gilroy, California · 17067 days ago · 5 km deep · 62 km away
  29. 1.924 km NE of Greenfield, California · 17067 days ago · 6 km deep · 15 km away
  30. 3.622 km NE of San Lucas, California · 17066 days ago · 6 km deep · 46 km away
  31. 3.222 km NE of San Lucas, California · 17066 days ago · 10 km deep · 45 km away
  32. 1.924 km NE of Greenfield, California · 17066 days ago · 6 km deep · 14 km away
  33. 1.67 km ENE of Gilroy, California · 17066 days ago · 7 km deep · 59 km away
  34. 1.924 km ENE of Soledad, California · 17065 days ago · 4 km deep · 10 km away
  35. 1.69 km NE of San Juan Bautista, California · 17065 days ago · 5 km deep · 49 km away
  36. 2.923 km NE of San Lucas, California · 17065 days ago · 6 km deep · 45 km away
  37. 2.29 km ENE of Gilroy, California · 17064 days ago · 9 km deep · 59 km away
  38. 2.122 km NNE of Soledad, California · 17064 days ago · 6 km deep · 6 km away
  39. 1.623 km ENE of Soledad, California · 17064 days ago · 3 km deep · 9 km away
  40. 2.122 km ENE of Soledad, California · 17064 days ago · 2 km deep · 4 km away
  41. 2.421 km NE of Soledad, California · 17064 days ago · 5 km deep · 3 km away
  42. 2.621 km NE of Soledad, California · 17062 days ago · 5 km deep · 3 km away
  43. 2.222 km NE of Soledad, California · 17062 days ago · 2 km deep · 2 km away
  44. 1.59 km E of San Martin, California · 17061 days ago · 9 km deep · 68 km away
  45. 1.69 km NNW of Hollister, California · 17061 days ago · 7 km deep · 49 km away
  46. 1.622 km NE of Soledad, California · 17061 days ago · 2 km deep · 2 km away
  47. 1.610 km WNW of Avenal, California · 17061 days ago · 9 km deep · 100 km away
  48. 1.522 km NE of Soledad, California · 17061 days ago · 2 km deep · 3 km away
  49. 1.8Northern California · 17061 days ago · 9 km deep · 61 km away
  50. 1.822 km NE of Soledad, California · 17060 days ago · 8 km deep · 2 km away
  51. 1.722 km NE of Soledad, California · 17060 days ago · 8 km deep · 2 km away
  52. 1.712 km ESE of Gilroy, California · 17060 days ago · 5 km deep · 52 km away
  53. 1.68 km E of Gilroy, California · 17059 days ago · 4 km deep · 57 km away
  54. 1.53 km NNW of Hollister, California · 17059 days ago · 6 km deep · 43 km away
  55. 2.622 km NNE of Soledad, California · 17059 days ago · 7 km deep · 6 km away
  56. 1.719 km ESE of East Foothills, California · 17058 days ago · 6 km deep · 94 km away
  57. 1.814 km E of Seven Trees, California · 17058 days ago · 1 km deep · 94 km away
  58. 2.84 km NW of Parkfield, California · 17058 days ago · 9 km deep · 93 km away
  59. 1.921 km NE of Soledad, California · 17058 days ago · 6 km deep · 3 km away
  60. 2.28 km E of San Martin, California · 17057 days ago · 7 km deep · 68 km away

The first 60 of 174.

Before

  1. 1.616 km E of Seven Trees, California · 17076 days ago · 7 km deep · 93 km away
  2. 1.621 km NE of Soledad, California · 17076 days ago · 8 km deep · 2 km away
  3. 1.823 km ENE of Soledad, California · 17077 days ago · 1 km deep · 6 km away
  4. 2.120 km SSE of Tres Pinos, California · 17078 days ago · 5 km deep · 9 km away
  5. 2.120 km SSE of Tres Pinos, California · 17078 days ago · 5 km deep · 9 km away
  6. 2.020 km SSE of Tres Pinos, California · 17078 days ago · 6 km deep · 10 km away
  7. 2.121 km SSE of Tres Pinos, California · 17078 days ago · 5 km deep · 9 km away
  8. 2.42 km S of San Juan Bautista, California · 17078 days ago · 5 km deep · 45 km away
  9. 1.55 km SSW of Gilroy, California · 17079 days ago · 4 km deep · 59 km away
  10. 1.622 km NNE of Soledad, California · 17079 days ago · 9 km deep · 7 km away
  11. 1.65 km SW of Gilroy, California · 17079 days ago · 4 km deep · 61 km away
  12. 2.24 km ESE of Interlaken, California · 17080 days ago · 11 km deep · 63 km away
  13. 2.09 km NE of Gilroy, California · 17080 days ago · 9 km deep · 64 km away
  14. 2.13 km NNW of Hollister, California · 17081 days ago · 7 km deep · 43 km away
  15. 1.67 km ESE of Gilroy, California · 17081 days ago · 9 km deep · 55 km away
  16. 3.19 km NE of Gilroy, California · 17081 days ago · 7 km deep · 64 km away
  17. 3.09 km NE of Gilroy, California · 17081 days ago · 7 km deep · 64 km away
  18. 1.718 km W of Volta, California · 17082 days ago · 6 km deep · 60 km away
  19. 1.88 km ENE of Gilroy, California · 17082 days ago · 6 km deep · 61 km away
  20. 2.017 km SSE of Tres Pinos, California · 17083 days ago · 6 km deep · 14 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1049493. Read Tue, Sep 22, 2026, 10:22 AM UTC.