California earthquakes

M2.0 earthquake 6 km NE of Ridgemark, California

A magnitude 2.0 earthquake struck 6 km NE of Ridgemark, California on Sat, Sep 11, 1976, 10:38 PM PDT (05:38 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.8 3 km W of San Juan Bautista, 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
2.0 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1976-09-12 05:38:00 UTC
Depth
8.0 km (4.9 mi), shallow
Epicenter
36.860° N, 121.326° 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, 0.4 km in depth
Magnitude uncertainty
±0.24
Depth from
From location
Station coverage gap
77°
Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 177 in the 60 days after this one and 145 in the 30 days before it.

After

  1. 1.76 km NE of Ridgemark, California · 18285 days ago · 8 km deep · 0 km away
  2. 3.09 km NNW of Hollister, California · 18285 days ago · 6 km deep · 14 km away
  3. 3.77 km SSE of Three Rocks, California · 18285 days ago · 7 km deep · 98 km away
  4. 1.76 km SW of Ridgemark, California · 18284 days ago · 4 km deep · 13 km away
  5. 1.76 km NNE of Ridgemark, California · 18284 days ago · 8 km deep · 0 km away
  6. 2.521 km NE of Soledad, California · 18284 days ago · 6 km deep · 36 km away
  7. 2.29 km NW of Hollister, California · 18284 days ago · 2 km deep · 14 km away
  8. 2.117 km S of Tracy, California · 18283 days ago · 2 km deep · 81 km away
  9. 2.323 km ENE of Soledad, California · 18283 days ago · 4 km deep · 45 km away
  10. 2.628 km NNE of King City, California · 18283 days ago · 0 km deep · 59 km away
  11. 2.15 km WSW of Gilroy, California · 18283 days ago · 7 km deep · 31 km away
  12. 1.825 km SE of Tres Pinos, California · 18282 days ago · 7 km deep · 32 km away
  13. 1.720 km E of Tres Pinos, California · 18282 days ago · 2 km deep · 21 km away
  14. 2.222 km NE of San Lucas, California · 18281 days ago · 6 km deep · 77 km away
  15. 2.622 km NE of San Lucas, California · 18281 days ago · 6 km deep · 79 km away
  16. 2.08 km NE of San Juan Bautista, California · 18281 days ago · 5 km deep · 15 km away
  17. 1.76 km NW of Hollister, California · 18281 days ago · 6 km deep · 12 km away
  18. 2.56 km ESE of East Foothills, California · 18281 days ago · 0 km deep · 67 km away
  19. 2.68 km ESE of East Foothills, California · 18281 days ago · 0 km deep · 66 km away
  20. 1.8Northern California · 18281 days ago · 1 km deep · 67 km away
  21. 3.16 km ESE of East Foothills, California · 18281 days ago · 0 km deep · 67 km away
  22. 2.06 km ESE of East Foothills, California · 18281 days ago · 0 km deep · 67 km away
  23. 1.814 km S of Tres Pinos, California · 18280 days ago · 3 km deep · 22 km away
  24. 2.814 km E of Seven Trees, California · 18280 days ago · 3 km deep · 57 km away
  25. 2.114 km E of Seven Trees, California · 18280 days ago · 3 km deep · 57 km away
  26. 1.79 km SSW of Tres Pinos, California · 18279 days ago · 2 km deep · 17 km away
  27. 2.112 km S of Tres Pinos, California · 18279 days ago · 8 km deep · 20 km away
  28. 1.925 km ENE of Greenfield, California · 18279 days ago · 2 km deep · 54 km away
  29. 2.324 km ENE of Greenfield, California · 18279 days ago · 3 km deep · 54 km away
  30. 1.812 km SSE of Tres Pinos, California · 18278 days ago · 4 km deep · 21 km away
  31. 2.212 km NNW of Hollister, California · 18277 days ago · 7 km deep · 15 km away
  32. 1.6Central California · 18276 days ago · 9 km deep · 33 km away
  33. 1.66 km ENE of Interlaken, California · 18276 days ago · 9 km deep · 33 km away
  34. 3.010 km WSW of Ridgemark, California · 18275 days ago · 6 km deep · 16 km away
  35. 2.6Central California · 18275 days ago · 8 km deep · 78 km away
  36. 2.310 km NNW of Hollister, California · 18274 days ago · 4 km deep · 14 km away
  37. 3.09 km S of Tres Pinos, California · 18274 days ago · 8 km deep · 17 km away
  38. 1.821 km NE of Soledad, California · 18274 days ago · 5 km deep · 34 km away
  39. 1.719 km SSE of Tres Pinos, California · 18273 days ago · 4 km deep · 27 km away
  40. 2.228 km NE of Soledad, California · 18273 days ago · 5 km deep · 39 km away
  41. 1.916 km SW of Los Banos, California · 18272 days ago · 2 km deep · 34 km away
  42. 1.62 km NE of Monte Sereno, California · 18271 days ago · 6 km deep · 72 km away
  43. 3.17 km NE of Hollister, California · 18271 days ago · 6 km deep · 3 km away
  44. 2.613 km S of South Dos Palos, California · 18271 days ago · 0 km deep · 58 km away
  45. 2.918 km SSE of Tres Pinos, California · 18271 days ago · 5 km deep · 26 km away
  46. 1.6Central California · 18271 days ago · 5 km deep · 3 km away
  47. 2.718 km SSE of Tres Pinos, California · 18271 days ago · 4 km deep · 26 km away
  48. 2.77 km ENE of Hollister, California · 18270 days ago · 5 km deep · 3 km away
  49. 1.87 km WSW of Gilroy, California · 18270 days ago · 6 km deep · 31 km away
  50. 1.99 km NNW of Hollister, California · 18270 days ago · 4 km deep · 14 km away
  51. 1.810 km NNW of Hollister, California · 18270 days ago · 4 km deep · 14 km away
  52. 2.423 km ENE of Soledad, California · 18270 days ago · 5 km deep · 45 km away
  53. 2.25 km SW of Gonzales, California · 18269 days ago · 11 km deep · 46 km away
  54. 2.324 km ENE of Soledad, California · 18269 days ago · 3 km deep · 46 km away
  55. 2.35 km ENE of Interlaken, California · 18269 days ago · 11 km deep · 34 km away
  56. 1.710 km SE of Livermore, California · 18269 days ago · 8 km deep · 90 km away
  57. 1.811 km S of Tres Pinos, California · 18269 days ago · 8 km deep · 19 km away
  58. 2.418 km SSE of Tres Pinos, California · 18268 days ago · 3 km deep · 26 km away
  59. 2.521 km NE of Soledad, California · 18268 days ago · 3 km deep · 36 km away
  60. 2.32 km NE of Interlaken, California · 18268 days ago · 12 km deep · 36 km away

The first 60 of 177.

Before

  1. 2.522 km SSE of Tres Pinos, California · 18286 days ago · 6 km deep · 30 km away
  2. 2.15 km S of Livermore, California · 18286 days ago · 4 km deep · 94 km away
  3. 2.717 km SSE of Tres Pinos, California · 18286 days ago · 4 km deep · 25 km away
  4. 3.318 km SSE of Tres Pinos, California · 18286 days ago · 5 km deep · 26 km away
  5. 2.66 km ENE of Interlaken, California · 18286 days ago · 9 km deep · 33 km away
  6. 3.021 km NE of Soledad, California · 18286 days ago · 8 km deep · 39 km away
  7. 1.717 km SSE of Tres Pinos, California · 18286 days ago · 6 km deep · 25 km away
  8. 1.916 km ESE of East Foothills, California · 18287 days ago · 6 km deep · 59 km away
  9. 1.82 km SSW of Campbell, California · 18287 days ago · 7 km deep · 73 km away
  10. 1.619 km E of East Foothills, California · 18287 days ago · 5 km deep · 63 km away
  11. 1.75 km S of Livermore, California · 18287 days ago · 6 km deep · 94 km away
  12. 2.45 km SSE of Livermore, California · 18287 days ago · 6 km deep · 94 km away
  13. 2.724 km NE of Greenfield, California · 18287 days ago · 5 km deep · 51 km away
  14. 2.523 km NE of King City, California · 18288 days ago · 5 km deep · 62 km away
  15. 2.427 km NE of Soledad, California · 18288 days ago · 7 km deep · 37 km away
  16. 2.327 km NE of Soledad, California · 18288 days ago · 9 km deep · 37 km away
  17. 2.522 km NNE of San Lucas, California · 18289 days ago · 4 km deep · 74 km away
  18. 2.112 km NNE of Morgan Hill, California · 18289 days ago · 7 km deep · 50 km away
  19. 1.821 km SE of Livermore, California · 18289 days ago · 5 km deep · 79 km away
  20. 2.923 km NE of Greenfield, California · 18289 days ago · 5 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1031490. Read Mon, Oct 5, 2026, 3:29 AM UTC.