California earthquakes

M1.7 earthquake 14 km W of Three Rocks, California

A magnitude 1.7 earthquake struck 14 km W of Three Rocks, California on Sun, Dec 2, 1979, 12:47 AM PST (08:47 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.6 22 km NE of San Lucas, 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1979-12-02 08:47:26 UTC
Depth
4.3 km (2.7 mi), shallow
Epicenter
36.515° N, 120.557° 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 1.8 km horizontally, 3.1 km in depth
Magnitude uncertainty
±0.01
Depth from
From location
Station coverage gap
243°, poorly surrounded by stations
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 133 in the 60 days after this one and 86 in the 30 days before it.

After

  1. 2.513 km SSE of Parkfield, California · 17106 days ago · 9 km deep · 82 km away
  2. 2.622 km NE of Soledad, California · 17106 days ago · 3 km deep · 56 km away
  3. 1.817 km SSE of Tres Pinos, California · 17106 days ago · 6 km deep · 64 km away
  4. 1.513 km SSE of Parkfield, California · 17105 days ago · 9 km deep · 82 km away
  5. 1.721 km NE of Soledad, California · 17105 days ago · 8 km deep · 52 km away
  6. 2.816 km SSE of Tres Pinos, California · 17105 days ago · 7 km deep · 65 km away
  7. 2.618 km SSE of Tres Pinos, California · 17104 days ago · 6 km deep · 63 km away
  8. 1.716 km SSE of Tres Pinos, California · 17104 days ago · 6 km deep · 65 km away
  9. 2.424 km NE of Greenfield, California · 17103 days ago · 5 km deep · 42 km away
  10. 1.612 km N of Hollister, California · 17102 days ago · 7 km deep · 91 km away
  11. 2.321 km SSE of Tres Pinos, California · 17102 days ago · 4 km deep · 60 km away
  12. 2.521 km SSE of Tres Pinos, California · 17102 days ago · 4 km deep · 60 km away
  13. 2.521 km SSE of Tres Pinos, California · 17102 days ago · 4 km deep · 60 km away
  14. 2.421 km NNE of Soledad, California · 17102 days ago · 6 km deep · 58 km away
  15. 1.83 km W of Hollister, California · 17101 days ago · 4 km deep · 87 km away
  16. 1.69 km ENE of Gilroy, California · 17100 days ago · 8 km deep · 100 km away
  17. 1.92 km WNW of Ridgemark, California · 17100 days ago · 6 km deep · 81 km away
  18. 1.88 km E of Gilroy, California · 17098 days ago · 6 km deep · 98 km away
  19. 3.23 km S of San Juan Bautista, California · 17098 days ago · 7 km deep · 93 km away
  20. 1.68 km ESE of Greenfield, California · 17098 days ago · 7 km deep · 59 km away
  21. 2.112 km N of Coalinga, California · 17098 days ago · 7 km deep · 36 km away
  22. 2.623 km NE of Greenfield, California · 17097 days ago · 7 km deep · 44 km away
  23. 1.91 km WSW of Tres Pinos, California · 17097 days ago · 2 km deep · 76 km away
  24. 1.821 km NW of Parkfield, California · 17097 days ago · 4 km deep · 54 km away
  25. 2.27 km SSW of King City, California · 17097 days ago · 9 km deep · 67 km away
  26. 2.323 km NE of Greenfield, California · 17096 days ago · 7 km deep · 44 km away
  27. 3.017 km W of Volta, California · 17095 days ago · 4 km deep · 80 km away
  28. 1.522 km NE of San Ardo, California · 17095 days ago · 4 km deep · 41 km away
  29. 1.623 km NE of Soledad, California · 17095 days ago · 6 km deep · 51 km away
  30. 2.524 km ENE of Soledad, California · 17095 days ago · 4 km deep · 46 km away
  31. 1.68 km SE of Tres Pinos, California · 17094 days ago · 10 km deep · 67 km away
  32. 1.525 km ENE of San Ardo, California · 17094 days ago · 2 km deep · 50 km away
  33. 1.516 km SSE of Tres Pinos, California · 17094 days ago · 6 km deep · 65 km away
  34. 1.811 km NE of Shandon, California · 17094 days ago · 12 km deep · 89 km away
  35. 1.714 km SSE of Tres Pinos, California · 17093 days ago · 3 km deep · 67 km away
  36. 3.09 km SE of Lake Nacimiento, California · 17093 days ago · 6 km deep · 96 km away
  37. 2.017 km SSE of Tres Pinos, California · 17093 days ago · 6 km deep · 65 km away
  38. 1.718 km W of Volta, California · 17092 days ago · 6 km deep · 83 km away
  39. 1.67 km ESE of Gilroy, California · 17091 days ago · 9 km deep · 98 km away
  40. 2.13 km NNW of Hollister, California · 17091 days ago · 7 km deep · 87 km away
  41. 1.622 km NNE of Soledad, California · 17090 days ago · 9 km deep · 60 km away
  42. 2.42 km S of San Juan Bautista, California · 17089 days ago · 5 km deep · 94 km away
  43. 2.121 km SSE of Tres Pinos, California · 17089 days ago · 5 km deep · 61 km away
  44. 2.020 km SSE of Tres Pinos, California · 17089 days ago · 6 km deep · 61 km away
  45. 2.120 km SSE of Tres Pinos, California · 17089 days ago · 5 km deep · 61 km away
  46. 2.120 km SSE of Tres Pinos, California · 17089 days ago · 5 km deep · 61 km away
  47. 1.823 km ENE of Soledad, California · 17088 days ago · 1 km deep · 48 km away
  48. 1.621 km NE of Soledad, California · 17086 days ago · 8 km deep · 52 km away
  49. 2.321 km NE of Soledad, California · 17086 days ago · 6 km deep · 53 km away
  50. 3.39 km S of Tres Pinos, California · 17086 days ago · 3 km deep · 73 km away
  51. 1.99 km SSW of Tres Pinos, California · 17086 days ago · 2 km deep · 74 km away
  52. 1.79 km SSW of Tres Pinos, California · 17086 days ago · 3 km deep · 73 km away
  53. 2.213 km SE of Parkfield, California · 17085 days ago · 5 km deep · 81 km away
  54. 1.719 km NW of Parkfield, California · 17082 days ago · 4 km deep · 55 km away
  55. 1.623 km NE of King City, California · 17080 days ago · 4 km deep · 38 km away
  56. 2.924 km NE of Greenfield, California · 17079 days ago · 7 km deep · 44 km away
  57. 1.724 km NE of Greenfield, California · 17079 days ago · 6 km deep · 43 km away
  58. 1.79 km S of Tres Pinos, California · 17078 days ago · 2 km deep · 73 km away
  59. 2.49 km S of Tres Pinos, California · 17078 days ago · 2 km deep · 73 km away
  60. 2.69 km ENE of Gilroy, California · 17078 days ago · 7 km deep · 99 km away

The first 60 of 133.

Before

  1. 2.617 km SSW of South Dos Palos, California · 17107 days ago · 3 km deep · 37 km away
  2. 3.017 km SSE of Tres Pinos, California · 17107 days ago · 7 km deep · 64 km away
  3. 2.221 km NE of Soledad, California · 17108 days ago · 5 km deep · 52 km away
  4. 1.812 km S of Tres Pinos, California · 17108 days ago · 2 km deep · 69 km away
  5. 1.6Central California · 17109 days ago · 4 km deep · 62 km away
  6. 2.222 km NE of San Lucas, California · 17109 days ago · 7 km deep · 37 km away
  7. 2.323 km ENE of San Lucas, California · 17110 days ago · 5 km deep · 38 km away
  8. 1.623 km ENE of San Lucas, California · 17110 days ago · 5 km deep · 38 km away
  9. 2.92 km S of San Juan Bautista, California · 17110 days ago · 6 km deep · 94 km away
  10. 1.69 km NNW of Hollister, California · 17111 days ago · 0 km deep · 91 km away
  11. 2.615 km SSE of Tres Pinos, California · 17111 days ago · 7 km deep · 67 km away
  12. 2.114 km SSE of Tres Pinos, California · 17112 days ago · 4 km deep · 67 km away
  13. 2.420 km SSE of Tres Pinos, California · 17112 days ago · 5 km deep · 61 km away
  14. 1.99 km E of Gilroy, California · 17113 days ago · 8 km deep · 98 km away
  15. 1.69 km E of Gilroy, California · 17113 days ago · 8 km deep · 98 km away
  16. 1.726 km NE of Soledad, California · 17114 days ago · 8 km deep · 53 km away
  17. 1.9Near the coast of Central California · 17114 days ago · 0 km deep · 93 km away
  18. 1.8Near the coast of Central California · 17114 days ago · 8 km deep · 96 km away
  19. 2.28 km ENE of King City, California · 17114 days ago · 5 km deep · 53 km away
  20. 1.911 km NNW of Hollister, California · 17114 days ago · 7 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1049122. Read Fri, Oct 2, 2026, 9:25 PM UTC.