California earthquakes

M1.6 earthquake 30 km ENE of Soledad, California

A magnitude 1.6 earthquake struck 30 km ENE of Soledad, California on Thu, Sep 29, 1977, 10:54 AM PDT (17:54 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M1.8 Central California. This one was a foreshock.

Soledad forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.6 (md), micro
Local time
UTC
1977-09-29 17:54:25 UTC
Depth
7.5 km (4.6 mi), shallow
Epicenter
36.577° N, 121.041° 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 0.6 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
72°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 184 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.8Central California · 17888 days ago · 10 km deep · 71 km away
  2. 1.721 km NW of Parkfield, California · 17887 days ago · 2 km deep · 72 km away
  3. 1.66 km SSE of San Juan Bautista, California · 17887 days ago · 11 km deep · 49 km away
  4. 1.911 km S of Coalinga, California · 17887 days ago · 5 km deep · 85 km away
  5. 1.724 km NE of Greenfield, California · 17886 days ago · 6 km deep · 14 km away
  6. 1.79 km SE of San Juan Bautista, California · 17885 days ago · 5 km deep · 45 km away
  7. 2.7Northern California · 17885 days ago · 2 km deep · 83 km away
  8. 2.521 km NNE of Soledad, California · 17884 days ago · 8 km deep · 15 km away
  9. 2.227 km ENE of Soledad, California · 17883 days ago · 8 km deep · 4 km away
  10. 1.718 km NW of Parkfield, California · 17883 days ago · 4 km deep · 74 km away
  11. 1.65 km SW of Gilroy, California · 17883 days ago · 4 km deep · 67 km away
  12. 2.04 km WNW of San Juan Bautista, California · 17882 days ago · 6 km deep · 58 km away
  13. 1.83 km SW of Ridgemark, California · 17881 days ago · 5 km deep · 40 km away
  14. 2.111 km WSW of Oak Shores, California · 17881 days ago · 6 km deep · 96 km away
  15. 2.07 km WSW of Gilroy, California · 17881 days ago · 5 km deep · 71 km away
  16. 2.024 km ENE of Soledad, California · 17881 days ago · 2 km deep · 10 km away
  17. 2.711 km WSW of Oak Shores, California · 17881 days ago · 8 km deep · 96 km away
  18. 1.95 km NNW of El Nido, California · 17880 days ago · 2 km deep · 81 km away
  19. 2.111 km NNE of Morgan Hill, California · 17880 days ago · 5 km deep · 89 km away
  20. 2.318 km WSW of South Dos Palos, California · 17879 days ago · 3 km deep · 39 km away
  21. 3.02 km WSW of San Juan Bautista, California · 17879 days ago · 7 km deep · 55 km away
  22. 1.89 km ESE of Lexington Hills, California · 17877 days ago · 11 km deep · 96 km away
  23. 2.524 km NE of Greenfield, California · 17877 days ago · 0 km deep · 14 km away
  24. 1.720 km NNE of Morgan Hill, California · 17876 days ago · 4 km deep · 92 km away
  25. 2.28 km W of Gilroy, California · 17876 days ago · 3 km deep · 72 km away
  26. 1.59 km NW of Hollister, California · 17875 days ago · 0 km deep · 54 km away
  27. 1.920 km NW of Parkfield, California · 17875 days ago · 4 km deep · 72 km away
  28. 1.68 km NE of San Juan Bautista, California · 17875 days ago · 10 km deep · 53 km away
  29. 1.76 km WSW of Gilroy, California · 17874 days ago · 4 km deep · 69 km away
  30. 1.723 km NW of Parkfield, California · 17874 days ago · 6 km deep · 70 km away
  31. 1.610 km NNW of Hollister, California · 17874 days ago · 7 km deep · 53 km away
  32. 1.76 km WSW of Gilroy, California · 17874 days ago · 4 km deep · 70 km away
  33. 2.421 km NE of Soledad, California · 17874 days ago · 2 km deep · 10 km away
  34. 2.56 km WSW of Gilroy, California · 17874 days ago · 5 km deep · 70 km away
  35. 1.822 km NNE of San Ardo, California · 17873 days ago · 3 km deep · 49 km away
  36. 1.821 km NE of Soledad, California · 17873 days ago · 3 km deep · 11 km away
  37. 2.730 km NE of Soledad, California · 17873 days ago · 7 km deep · 0 km away
  38. 1.88 km NNE of San Juan Bautista, California · 17873 days ago · 5 km deep · 54 km away
  39. 1.58 km NNE of San Juan Bautista, California · 17873 days ago · 3 km deep · 55 km away
  40. 2.49 km NW of Hollister, California · 17873 days ago · 1 km deep · 54 km away
  41. 1.59 km NW of Hollister, California · 17873 days ago · 0 km deep · 54 km away
  42. 1.6Central California · 17873 days ago · 6 km deep · 20 km away
  43. 1.822 km SSE of Tres Pinos, California · 17873 days ago · 2 km deep · 16 km away
  44. 1.725 km NNE of King City, California · 17873 days ago · 6 km deep · 19 km away
  45. 1.923 km NE of Greenfield, California · 17872 days ago · 6 km deep · 12 km away
  46. 1.721 km NNE of Soledad, California · 17872 days ago · 7 km deep · 14 km away
  47. 3.522 km NNE of Soledad, California · 17872 days ago · 9 km deep · 16 km away
  48. 2.121 km NNE of Soledad, California · 17871 days ago · 8 km deep · 15 km away
  49. 2.422 km NNE of Soledad, California · 17871 days ago · 8 km deep · 15 km away
  50. 2.122 km NE of Soledad, California · 17870 days ago · 3 km deep · 12 km away
  51. 1.839 km SSW of South Dos Palos, California · 17870 days ago · 3 km deep · 16 km away
  52. 2.424 km ENE of Soledad, California · 17869 days ago · 3 km deep · 10 km away
  53. 2.125 km NE of Greenfield, California · 17869 days ago · 1 km deep · 12 km away
  54. 1.716 km NNE of Morgan Hill, California · 17869 days ago · 7 km deep · 92 km away
  55. 1.623 km ENE of King City, California · 17868 days ago · 8 km deep · 31 km away
  56. 2.015 km N of Morgan Hill, California · 17868 days ago · 7 km deep · 94 km away
  57. 1.816 km NW of Parkfield, California · 17868 days ago · 4 km deep · 77 km away
  58. 1.616 km NW of Parkfield, California · 17868 days ago · 3 km deep · 77 km away
  59. 1.624 km NE of Greenfield, California · 17868 days ago · 6 km deep · 12 km away
  60. 1.629 km WNW of Coalinga, California · 17868 days ago · 9 km deep · 51 km away

The first 60 of 184.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1037047. Read Tue, Sep 22, 2026, 9:40 PM UTC.