California earthquakes

M1.9 earthquake Central California

A magnitude 1.9 earthquake struck in Central California on Thu, Oct 28, 1976, 11:11 PM PDT (06:11 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.6 20 km SSE of Tres Pinos, California. This one was a foreshock.

Ridgemark 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
1.9 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1976-10-29 06:11:56 UTC
Depth
8.2 km (5.1 mi), shallow
Epicenter
36.641° N, 121.263° 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
±0.30
Depth from
From location
Station coverage gap
60°
Stations used
24

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 105 in the 30 days before it.

After

  1. 1.924 km NE of Greenfield, California · 18234 days ago · 7 km deep · 27 km away
  2. 1.99 km NW of Hollister, California · 18234 days ago · 5 km deep · 35 km away
  3. 2.62 km W of Monte Sereno, California · 18234 days ago · 12 km deep · 95 km away
  4. 2.221 km NE of Soledad, California · 18233 days ago · 3 km deep · 12 km away
  5. 2.517 km NW of Parkfield, California · 18233 days ago · 3 km deep · 93 km away
  6. 2.821 km NW of Parkfield, California · 18233 days ago · 0 km deep · 89 km away
  7. 1.934 km NE of King City, California · 18232 days ago · 17 km deep · 48 km away
  8. 2.49 km NE of San Juan Bautista, California · 18232 days ago · 6 km deep · 35 km away
  9. 2.521 km NE of Soledad, California · 18231 days ago · 6 km deep · 14 km away
  10. 1.814 km NW of Parkfield, California · 18231 days ago · 6 km deep · 96 km away
  11. 1.916 km NNE of Morgan Hill, California · 18230 days ago · 8 km deep · 76 km away
  12. 2.03 km ENE of Tres Pinos, California · 18230 days ago · 11 km deep · 18 km away
  13. 2.523 km NNE of San Lucas, California · 18229 days ago · 5 km deep · 50 km away
  14. 2.110 km NNW of Hollister, California · 18229 days ago · 3 km deep · 37 km away
  15. 2.921 km NE of Soledad, California · 18229 days ago · 9 km deep · 15 km away
  16. 3.83 km W of San Juan Bautista, California · 18229 days ago · 6 km deep · 36 km away
  17. 2.21 km WNW of Cambrian Park, California · 18228 days ago · 8 km deep · 92 km away
  18. 2.323 km ENE of Soledad, California · 18228 days ago · 2 km deep · 23 km away
  19. 2.37 km S of Diablo Grande, California · 18228 days ago · 0 km deep · 77 km away
  20. 3.117 km NW of San Simeon, California · 18227 days ago · 8 km deep · 97 km away
  21. 2.716 km NW of San Simeon, California · 18227 days ago · 9 km deep · 97 km away
  22. 3.416 km NW of San Simeon, California · 18227 days ago · 10 km deep · 99 km away
  23. 1.97 km NE of San Juan Bautista, California · 18226 days ago · 6 km deep · 35 km away
  24. 2.622 km NE of San Lucas, California · 18225 days ago · 5 km deep · 60 km away
  25. 2.522 km NE of Soledad, California · 18225 days ago · 5 km deep · 17 km away
  26. 2.416 km NW of San Simeon, California · 18223 days ago · 9 km deep · 98 km away
  27. 1.56 km ENE of Interlaken, California · 18223 days ago · 8 km deep · 51 km away
  28. 1.69 km NW of Hollister, California · 18223 days ago · 8 km deep · 36 km away
  29. 3.04 km SSW of Gilroy, California · 18223 days ago · 7 km deep · 47 km away
  30. 2.322 km NE of San Ardo, California · 18223 days ago · 5 km deep · 69 km away
  31. 3.013 km S of Tres Pinos, California · 18223 days ago · 4 km deep · 5 km away
  32. 2.57 km NE of San Juan Bautista, California · 18222 days ago · 7 km deep · 35 km away
  33. 2.416 km NW of San Simeon, California · 18222 days ago · 8 km deep · 98 km away
  34. 2.17 km NE of San Juan Bautista, California · 18222 days ago · 5 km deep · 35 km away
  35. 1.7Central California · 18222 days ago · 5 km deep · 35 km away
  36. 2.621 km NE of Soledad, California · 18221 days ago · 4 km deep · 10 km away
  37. 1.922 km ENE of Soledad, California · 18221 days ago · 4 km deep · 20 km away
  38. 2.922 km ENE of Soledad, California · 18221 days ago · 2 km deep · 17 km away
  39. 2.48 km NE of San Juan Bautista, California · 18220 days ago · 6 km deep · 35 km away
  40. 3.05 km WSW of Gilroy, California · 18219 days ago · 4 km deep · 49 km away
  41. 2.37 km NE of San Juan Bautista, California · 18219 days ago · 5 km deep · 35 km away
  42. 2.621 km NNE of Soledad, California · 18219 days ago · 6 km deep · 8 km away
  43. 1.720 km NW of Parkfield, California · 18219 days ago · 4 km deep · 90 km away
  44. 1.917 km SE of Tres Pinos, California · 18219 days ago · 7 km deep · 11 km away
  45. 2.13 km SSW of Lexington Hills, California · 18218 days ago · 13 km deep · 85 km away
  46. 2.828 km SW of South Dos Palos, California · 18218 days ago · 2 km deep · 37 km away
  47. 2.423 km NW of Parkfield, California · 18218 days ago · 2 km deep · 88 km away
  48. 1.88 km ESE of East Foothills, California · 18218 days ago · 4 km deep · 89 km away
  49. 2.55 km SW of Gilroy, California · 18218 days ago · 4 km deep · 49 km away
  50. 2.825 km NE of San Ardo, California · 18217 days ago · 2 km deep · 70 km away
  51. 3.012 km S of Three Rocks, California · 18217 days ago · 8 km deep · 83 km away
  52. 2.74 km W of San Juan Bautista, California · 18217 days ago · 7 km deep · 37 km away
  53. 2.321 km NE of Soledad, California · 18217 days ago · 1 km deep · 14 km away
  54. 1.77 km ENE of East Foothills, California · 18217 days ago · 8 km deep · 94 km away
  55. 2.626 km ENE of Soledad, California · 18215 days ago · 10 km deep · 20 km away
  56. 2.823 km NE of Soledad, California · 18215 days ago · 10 km deep · 14 km away
  57. 1.921 km NE of Soledad, California · 18215 days ago · 8 km deep · 13 km away
  58. 2.521 km NE of Soledad, California · 18215 days ago · 6 km deep · 13 km away
  59. 1.67 km SW of Gilroy, California · 18215 days ago · 6 km deep · 47 km away
  60. 2.811 km WNW of Oak Shores, California · 18214 days ago · 0 km deep · 95 km away

The first 60 of 184.

Before

  1. 1.819 km NW of Parkfield, California · 18235 days ago · 4 km deep · 92 km away
  2. 3.124 km NE of Greenfield, California · 18236 days ago · 3 km deep · 27 km away
  3. 2.922 km ENE of Soledad, California · 18236 days ago · 3 km deep · 17 km away
  4. 1.717 km N of Morgan Hill, CA · 18236 days ago · 6 km deep · 79 km away
  5. 2.715 km N of San Simeon, California · 18236 days ago · 11 km deep · 96 km away
  6. 1.89 km NW of Hollister, California · 18236 days ago · 6 km deep · 36 km away
  7. 2.222 km NNE of San Ardo, California · 18236 days ago · 5 km deep · 66 km away
  8. 2.524 km ENE of Soledad, California · 18237 days ago · 3 km deep · 23 km away
  9. 1.76 km NE of Ridgemark, California · 18237 days ago · 3 km deep · 24 km away
  10. 2.526 km SE of Tres Pinos, California · 18237 days ago · 5 km deep · 14 km away
  11. 1.86 km NE of Ridgemark, California · 18237 days ago · 4 km deep · 24 km away
  12. 2.95 km WSW of Gilroy, California · 18238 days ago · 3 km deep · 50 km away
  13. 2.014 km NW of Parkfield, California · 18239 days ago · 4 km deep · 97 km away
  14. 2.010 km NW of Hollister, California · 18239 days ago · 3 km deep · 37 km away
  15. 1.96 km SE of Tres Pinos, California · 18239 days ago · 10 km deep · 13 km away
  16. 3.134 km WSW of Three Rocks, California · 18239 days ago · 12 km deep · 56 km away
  17. 2.624 km E of San Ardo, California · 18240 days ago · -1 km deep · 85 km away
  18. 2.225 km WSW of Coalinga, California · 18240 days ago · 2 km deep · 86 km away
  19. 1.99 km NE of San Juan Bautista, California · 18240 days ago · 7 km deep · 35 km away
  20. 2.322 km NNE of Soledad, California · 18240 days ago · 4 km deep · 8 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1032083. Read Fri, Oct 2, 2026, 12:04 AM UTC.