California earthquakes

M2.5 earthquake 31 km WSW of Three Rocks, California

A magnitude 2.5 earthquake struck 31 km WSW of Three Rocks, California on Mon, Oct 8, 1979, 5:28 PM PDT (00:28 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.6 5 km ENE of Chowchilla, 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, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1979-10-09 00:28:45 UTC
Depth
10.5 km (6.6 mi), shallow
Epicenter
36.432° N, 120.735° 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, 0.3 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
128°
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: 181 in the 60 days after this one and 69 in the 30 days before it.

After

  1. 1.821 km NE of Soledad, California · 17160 days ago · 3 km deep · 40 km away
  2. 2.77 km E of Gilroy, California · 17160 days ago · 5 km deep · 92 km away
  3. 2.48 km ENE of Gilroy, California · 17160 days ago · 9 km deep · 95 km away
  4. 2.26 km ENE of Hollister, California · 17159 days ago · 6 km deep · 72 km away
  5. 1.67 km ENE of Gilroy, California · 17159 days ago · 3 km deep · 95 km away
  6. 2.110 km NNW of Hollister, California · 17159 days ago · 4 km deep · 85 km away
  7. 2.110 km NNW of Hollister, California · 17159 days ago · 0 km deep · 84 km away
  8. 2.77 km SSW of Three Rocks, California · 17159 days ago · 8 km deep · 28 km away
  9. 1.617 km SSE of Tres Pinos, California · 17158 days ago · 9 km deep · 52 km away
  10. 2.321 km NE of Soledad, California · 17158 days ago · 7 km deep · 39 km away
  11. 1.610 km W of Coalinga, California · 17156 days ago · 9 km deep · 41 km away
  12. 3.43 km S of San Juan Bautista, California · 17155 days ago · 5 km deep · 83 km away
  13. 2.39 km ENE of Gilroy, California · 17155 days ago · 8 km deep · 95 km away
  14. 1.517 km SSE of Tres Pinos, California · 17154 days ago · 3 km deep · 53 km away
  15. 1.822 km NE of San Lucas, California · 17154 days ago · 6 km deep · 20 km away
  16. 1.69 km ENE of Gilroy, California · 17154 days ago · 9 km deep · 95 km away
  17. 2.121 km NE of Soledad, California · 17154 days ago · 3 km deep · 41 km away
  18. 1.99 km ENE of Gilroy, California · 17154 days ago · 8 km deep · 94 km away
  19. 1.69 km ENE of Gilroy, California · 17154 days ago · 9 km deep · 94 km away
  20. 2.815 km SSE of Tres Pinos, California · 17154 days ago · 6 km deep · 54 km away
  21. 1.815 km SSE of Tres Pinos, California · 17152 days ago · 6 km deep · 54 km away
  22. 1.719 km W of Volta, California · 17152 days ago · 5 km deep · 82 km away
  23. 2.115 km SSE of Tres Pinos, California · 17152 days ago · 6 km deep · 55 km away
  24. 1.618 km SSE of Tres Pinos, California · 17152 days ago · 10 km deep · 51 km away
  25. 2.221 km NE of Soledad, California · 17152 days ago · 2 km deep · 39 km away
  26. 2.95 km SW of Gilroy, California · 17151 days ago · 5 km deep · 98 km away
  27. 1.737 km WNW of Three Rocks, California · 17151 days ago · -1 km deep · 18 km away
  28. 2.65 km SW of Gilroy, California · 17151 days ago · 4 km deep · 98 km away
  29. 1.78 km E of Gilroy, California · 17151 days ago · 4 km deep · 91 km away
  30. 2.110 km NE of Gilroy, California · 17151 days ago · 9 km deep · 99 km away
  31. 1.610 km NE of Gilroy, California · 17151 days ago · 9 km deep · 99 km away
  32. 1.64 km NW of Parkfield, California · 17150 days ago · 4 km deep · 61 km away
  33. 1.611 km ESE of Gilroy, California · 17150 days ago · 5 km deep · 87 km away
  34. 2.23 km S of San Juan Bautista, California · 17150 days ago · 7 km deep · 83 km away
  35. 1.814 km SSE of Tres Pinos, California · 17150 days ago · 6 km deep · 55 km away
  36. 2.815 km SSE of Tres Pinos, California · 17150 days ago · 6 km deep · 55 km away
  37. 1.524 km NE of Greenfield, California · 17150 days ago · 7 km deep · 29 km away
  38. 1.85 km SW of San Ardo, California · 17150 days ago · 4 km deep · 53 km away
  39. 2.021 km NE of Soledad, California · 17149 days ago · 3 km deep · 38 km away
  40. 2.613 km S of Tres Pinos, California · 17149 days ago · 4 km deep · 57 km away
  41. 2.78 km ENE of Gilroy, California · 17149 days ago · 9 km deep · 95 km away
  42. 3.421 km NE of Soledad, California · 17149 days ago · 8 km deep · 43 km away
  43. 1.821 km NE of Soledad, California · 17149 days ago · 7 km deep · 42 km away
  44. 3.09 km ESE of Gilroy, California · 17149 days ago · 7 km deep · 89 km away
  45. 2.122 km ENE of Tres Pinos, California · 17148 days ago · 2 km deep · 60 km away
  46. 1.89 km NNW of Hollister, California · 17148 days ago · 2 km deep · 83 km away
  47. 1.69 km NNW of Hollister, California · 17148 days ago · 2 km deep · 83 km away
  48. 3.23 km W of San Juan Bautista, California · 17148 days ago · 5 km deep · 88 km away
  49. 2.119 km WNW of Coalinga, California · 17147 days ago · 10 km deep · 32 km away
  50. 2.215 km S of Lake Nacimiento, California · 17147 days ago · 3 km deep · 95 km away
  51. 2.22 km W of San Juan Bautista, California · 17147 days ago · 1 km deep · 87 km away
  52. 2.04 km SE of Tres Pinos, California · 17145 days ago · 8 km deep · 61 km away
  53. 1.619 km W of Volta, California · 17144 days ago · 4 km deep · 83 km away
  54. 1.611 km NE of Gilroy, California · 17142 days ago · 4 km deep · 97 km away
  55. 1.917 km SSE of Tres Pinos, California · 17142 days ago · 5 km deep · 52 km away
  56. 1.621 km NE of Soledad, California · 17141 days ago · 2 km deep · 39 km away
  57. 1.716 km SSE of Tres Pinos, California · 17141 days ago · 8 km deep · 54 km away
  58. 1.617 km SSE of Tres Pinos, California · 17141 days ago · 6 km deep · 51 km away
  59. 1.69 km N of Hollister, California · 17140 days ago · 8 km deep · 82 km away
  60. 2.211 km NE of Gilroy, California · 17139 days ago · 5 km deep · 97 km away

The first 60 of 181.

Before

  1. 1.82 km N of Hollister, California · 17163 days ago · 8 km deep · 77 km away
  2. 1.78 km SE of San Juan Bautista, California · 17164 days ago · 5 km deep · 78 km away
  3. 1.79 km E of Gilroy, California · 17164 days ago · 8 km deep · 92 km away
  4. 1.7Central California · 17165 days ago · 7 km deep · 19 km away
  5. 1.824 km NNE of San Lucas, California · 17165 days ago · 9 km deep · 18 km away
  6. 2.013 km SE of Parkfield, California · 17165 days ago · 9 km deep · 78 km away
  7. 2.013 km SE of Parkfield, California · 17165 days ago · 9 km deep · 78 km away
  8. 1.99 km NNE of Hollister, California · 17165 days ago · 4 km deep · 80 km away
  9. 1.97 km ENE of Gilroy, California · 17166 days ago · 7 km deep · 94 km away
  10. 1.89 km NE of Gilroy, California · 17167 days ago · 8 km deep · 97 km away
  11. 1.69 km ENE of Gilroy, California · 17167 days ago · 8 km deep · 93 km away
  12. 2.08 km NE of Hollister, California · 17168 days ago · 7 km deep · 76 km away
  13. 1.912 km NNE of Huron, California · 17168 days ago · 14 km deep · 63 km away
  14. 2.025 km NE of Soledad, California · 17168 days ago · 9 km deep · 37 km away
  15. 2.325 km NE of Soledad, California · 17168 days ago · 9 km deep · 37 km away
  16. 1.77 km ENE of Gilroy, California · 17169 days ago · 4 km deep · 96 km away
  17. 2.323 km NNE of San Ardo, California · 17169 days ago · 5 km deep · 27 km away
  18. 1.613 km N of Hollister, California · 17169 days ago · 6 km deep · 84 km away
  19. 1.715 km SW of Greenfield, California · 17169 days ago · 15 km deep · 62 km away
  20. 2.612 km ESE of Gilroy, California · 17171 days ago · 8 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1048213. Read Fri, Oct 2, 2026, 6:04 AM UTC.