California earthquakes

M2.2 earthquake 2 km SSW of Ridgemark, California

A magnitude 2.2 earthquake struck 2 km SSW of Ridgemark, California on Mon, Feb 2, 1976, 3:23 AM PST (11:23 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M2.8 Northern 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
2.2 (md), micro
Local time
UTC
1976-02-02 11:23:38 UTC
Depth
4.3 km (2.7 mi), shallow
Epicenter
36.788° N, 121.378° 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, 0.5 km in depth
Magnitude uncertainty
±0.28
Depth from
From location
Station coverage gap
34°
Stations used
42

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 190 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.8Northern California · 18478 days ago · 9 km deep · 65 km away
  2. 1.924 km NE of Soledad, California · 18478 days ago · 6 km deep · 35 km away
  3. 2.224 km NE of Greenfield, California · 18478 days ago · 0 km deep · 50 km away
  4. 1.726 km NE of Soledad, California · 18477 days ago · 7 km deep · 31 km away
  5. 3.025 km ENE of Soledad, California · 18477 days ago · 7 km deep · 38 km away
  6. 1.724 km NE of Soledad, California · 18477 days ago · 10 km deep · 32 km away
  7. 2.221 km ENE of San Lucas, California · 18477 days ago · 3 km deep · 81 km away
  8. 2.28 km NNE of San Juan Bautista, California · 18476 days ago · 5 km deep · 16 km away
  9. 2.122 km NE of San Lucas, California · 18476 days ago · 7 km deep · 79 km away
  10. 2.4Central California · 18476 days ago · 2 km deep · 33 km away
  11. 2.323 km NNE of San Lucas, California · 18476 days ago · 2 km deep · 70 km away
  12. 2.116 km NE of East Foothills, California · 18476 days ago · 8 km deep · 83 km away
  13. 1.724 km NE of Greenfield, California · 18476 days ago · 5 km deep · 46 km away
  14. 2.122 km NNE of Soledad, California · 18475 days ago · 2 km deep · 26 km away
  15. 1.89 km NE of San Martin, California · 18475 days ago · 7 km deep · 41 km away
  16. 1.928 km NE of Soledad, California · 18475 days ago · 10 km deep · 37 km away
  17. 2.023 km NE of Greenfield, California · 18475 days ago · 5 km deep · 48 km away
  18. 2.525 km NE of Greenfield, California · 18474 days ago · 4 km deep · 49 km away
  19. 1.721 km NE of Soledad, California · 18474 days ago · 3 km deep · 32 km away
  20. 2.59 km SW of Saratoga, California · 18474 days ago · 13 km deep · 80 km away
  21. 2.716 km N of Morgan Hill, California · 18474 days ago · 7 km deep · 60 km away
  22. 3.025 km NE of Greenfield, California · 18473 days ago · 2 km deep · 50 km away
  23. 2.321 km NE of Soledad, California · 18472 days ago · 7 km deep · 36 km away
  24. 2.25 km SSE of San Juan Bautista, California · 18472 days ago · 6 km deep · 12 km away
  25. 2.25 km SSE of San Juan Bautista, California · 18472 days ago · 6 km deep · 12 km away
  26. 1.726 km NE of Soledad, California · 18471 days ago · 10 km deep · 33 km away
  27. 2.212 km NNE of Tres Pinos, California · 18471 days ago · 6 km deep · 16 km away
  28. 3.13 km NNW of Hollister, California · 18471 days ago · 8 km deep · 11 km away
  29. 2.33 km NNW of Hollister, California · 18471 days ago · 7 km deep · 11 km away
  30. 1.914 km SSE of Tres Pinos, California · 18471 days ago · 4 km deep · 17 km away
  31. 2.124 km ENE of Soledad, California · 18470 days ago · 3 km deep · 42 km away
  32. 2.13 km NNW of Hollister, California · 18470 days ago · 7 km deep · 11 km away
  33. 2.05 km SSW of Gilroy, California · 18469 days ago · 4 km deep · 27 km away
  34. 1.67 km NE of Hollister, California · 18468 days ago · 3 km deep · 13 km away
  35. 3.09 km NW of Hollister, California · 18468 days ago · 5 km deep · 16 km away
  36. 2.58 km NNE of Interlaken, California · 18468 days ago · 11 km deep · 40 km away
  37. 2.124 km ENE of Soledad, California · 18467 days ago · 3 km deep · 42 km away
  38. 1.825 km ENE of Soledad, California · 18467 days ago · 7 km deep · 37 km away
  39. 2.712 km N of Morgan Hill, California · 18467 days ago · 7 km deep · 56 km away
  40. 2.522 km ENE of Soledad, California · 18467 days ago · 3 km deep · 37 km away
  41. 1.92 km SE of Seven Trees, California · 18466 days ago · 3 km deep · 67 km away
  42. 1.924 km ENE of Greenfield, California · 18466 days ago · 5 km deep · 54 km away
  43. 2.216 km E of East Foothills, California · 18465 days ago · 6 km deep · 68 km away
  44. 2.77 km SE of Sunol, California · 18465 days ago · 6 km deep · 93 km away
  45. 1.79 km SW of Saratoga, California · 18465 days ago · 10 km deep · 79 km away
  46. 1.517 km E of Tres Pinos, California · 18465 days ago · 4 km deep · 23 km away
  47. 1.724 km NE of Soledad, California · 18465 days ago · 10 km deep · 32 km away
  48. 2.35 km SE of Lexington Hills, California · 18464 days ago · 12 km deep · 62 km away
  49. 2.422 km NE of San Lucas, California · 18464 days ago · 6 km deep · 74 km away
  50. 1.78 km NW of Hollister, California · 18463 days ago · 5 km deep · 16 km away
  51. 1.617 km SSE of Tres Pinos, California · 18463 days ago · 5 km deep · 19 km away
  52. 1.517 km NE of East Foothills, California · 18463 days ago · 8 km deep · 83 km away
  53. 2.220 km E of East Foothills, California · 18463 days ago · 4 km deep · 69 km away
  54. 1.68 km NE of San Juan Bautista, California · 18463 days ago · 5 km deep · 15 km away
  55. 1.67 km SE of Cambrian Park, California · 18462 days ago · 9 km deep · 64 km away
  56. 2.022 km ENE of San Ardo, California · 18462 days ago · 3 km deep · 99 km away
  57. 1.823 km NE of Greenfield, California · 18462 days ago · 5 km deep · 47 km away
  58. 1.96 km SE of Tres Pinos, California · 18462 days ago · 10 km deep · 11 km away
  59. 3.236 km W of Three Rocks, California · 18461 days ago · 9 km deep · 61 km away
  60. 2.336 km W of Three Rocks, California · 18461 days ago · 5 km deep · 61 km away

The first 60 of 190.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1028677. Read Tue, Sep 22, 2026, 9:39 PM UTC.