California earthquakes

M2.7 earthquake 10 km SW of Ridgemark, California

A magnitude 2.7 earthquake struck 10 km SW of Ridgemark, California on Fri, Nov 22, 1985, 11:10 PM PST (07:10 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M4.8 22 km NE of Soledad, 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
2.7 (md), micro
Local time
UTC
1985-11-23 07:10:04 UTC
Depth
8.7 km (5.4 mi), shallow
Epicenter
36.749° N, 121.458° 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, 0.3 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
31°
Stations used
71

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 178 in the 60 days after this one and 62 in the 30 days before it.

After

  1. 1.816 km SSE of Livermore, California · 14921 days ago · 5 km deep · 91 km away
  2. 1.616 km SSE of Livermore, California · 14921 days ago · 5 km deep · 92 km away
  3. 2.48 km NE of Morgan Hill, California · 14920 days ago · 3 km deep · 49 km away
  4. 3.218 km SSE of Tres Pinos, California · 14920 days ago · 9 km deep · 23 km away
  5. 1.515 km NE of East Foothills, California · 14920 days ago · 8 km deep · 83 km away
  6. 2.316 km SSE of Tres Pinos, California · 14920 days ago · 6 km deep · 20 km away
  7. 2.916 km SSE of Tres Pinos, California · 14920 days ago · 6 km deep · 20 km away
  8. 2.116 km SSE of Tres Pinos, California · 14920 days ago · 6 km deep · 20 km away
  9. 1.66 km SW of Ridgemark, California · 14920 days ago · 11 km deep · 4 km away
  10. 1.98 km SW of Tres Pinos, California · 14920 days ago · 3 km deep · 7 km away
  11. 3.021 km NE of Soledad, California · 14920 days ago · 2 km deep · 34 km away
  12. 3.017 km SSE of Tres Pinos, California · 14920 days ago · 7 km deep · 21 km away
  13. 4.52 km ENE of San Ardo, California · 14919 days ago · 15 km deep · 96 km away
  14. 1.92 km E of San Ardo, California · 14919 days ago · 11 km deep · 96 km away
  15. 1.72 km E of San Ardo, California · 14919 days ago · 10 km deep · 96 km away
  16. 2.12 km ENE of San Ardo, California · 14919 days ago · 11 km deep · 95 km away
  17. 3.02 km ENE of San Ardo, California · 14919 days ago · 14 km deep · 95 km away
  18. 1.922 km NNE of Soledad, California · 14919 days ago · 6 km deep · 28 km away
  19. 2.32 km ENE of San Ardo, California · 14919 days ago · 11 km deep · 95 km away
  20. 1.92 km NE of San Ardo, California · 14919 days ago · 11 km deep · 95 km away
  21. 2.711 km ESE of East Foothills, California · 14919 days ago · 7 km deep · 69 km away
  22. 2.211 km ESE of East Foothills, California · 14919 days ago · 7 km deep · 68 km away
  23. 1.627 km W of Three Rocks, California · 14918 days ago · 10 km deep · 72 km away
  24. 2.021 km ESE of Tres Pinos, California · 14917 days ago · 1 km deep · 32 km away
  25. 1.621 km ESE of Tres Pinos, California · 14917 days ago · 0 km deep · 32 km away
  26. 1.82 km ENE of San Ardo, California · 14917 days ago · 11 km deep · 95 km away
  27. 1.712 km W of Greenfield, California · 14917 days ago · 16 km deep · 48 km away
  28. 3.024 km ENE of Greenfield, California · 14917 days ago · 7 km deep · 56 km away
  29. 1.625 km ENE of Greenfield, California · 14917 days ago · 6 km deep · 56 km away
  30. 1.55 km ENE of Fremont, California · 14916 days ago · 11 km deep · 99 km away
  31. 1.711 km ESE of Gilroy, California · 14916 days ago · 4 km deep · 23 km away
  32. 2.35 km SW of Sunol, California · 14916 days ago · 11 km deep · 99 km away
  33. 4.631 km NE of Soledad, California · 14915 days ago · 10 km deep · 42 km away
  34. 1.930 km ENE of Soledad, California · 14915 days ago · 7 km deep · 43 km away
  35. 1.931 km ENE of Soledad, California · 14915 days ago · 7 km deep · 43 km away
  36. 2.031 km ENE of Soledad, California · 14914 days ago · 7 km deep · 43 km away
  37. 1.731 km ENE of Soledad, California · 14914 days ago · 7 km deep · 43 km away
  38. 1.630 km NE of Soledad, California · 14914 days ago · 7 km deep · 42 km away
  39. 1.630 km ENE of Soledad, California · 14914 days ago · 7 km deep · 43 km away
  40. 1.831 km ENE of Soledad, California · 14914 days ago · 7 km deep · 43 km away
  41. 2.231 km ENE of Soledad, California · 14914 days ago · 7 km deep · 42 km away
  42. 3.031 km ENE of Soledad, California · 14914 days ago · 8 km deep · 43 km away
  43. 1.731 km ENE of Soledad, California · 14914 days ago · 8 km deep · 43 km away
  44. 2.831 km ENE of Soledad, California · 14914 days ago · 8 km deep · 43 km away
  45. 1.78 km SE of Sunol, California · 14914 days ago · 3 km deep · 93 km away
  46. 2.15 km SE of Tres Pinos, California · 14913 days ago · 7 km deep · 16 km away
  47. 1.631 km ENE of Soledad, California · 14913 days ago · 7 km deep · 43 km away
  48. 1.831 km ENE of Soledad, California · 14913 days ago · 8 km deep · 43 km away
  49. 2.230 km ENE of Soledad, California · 14913 days ago · 8 km deep · 42 km away
  50. 2.227 km ENE of Soledad, California · 14913 days ago · 6 km deep · 41 km away
  51. 1.627 km ENE of Soledad, California · 14913 days ago · 6 km deep · 41 km away
  52. 2.927 km ENE of Soledad, California · 14913 days ago · 6 km deep · 41 km away
  53. 1.65 km NE of Ridgemark, California · 14912 days ago · 5 km deep · 17 km away
  54. 1.812 km S of Tres Pinos, California · 14911 days ago · 2 km deep · 15 km away
  55. 2.19 km ESE of East Foothills, California · 14911 days ago · 5 km deep · 71 km away
  56. 1.917 km SSE of Tres Pinos, California · 14911 days ago · 4 km deep · 21 km away
  57. 1.53 km N of East Foothills, California · 14910 days ago · 0 km deep · 80 km away
  58. 2.110 km SE of Livermore, California · 14910 days ago · 8 km deep · 99 km away
  59. 2.610 km SE of Livermore, California · 14910 days ago · 9 km deep · 100 km away
  60. 2.017 km SSE of Tres Pinos, California · 14910 days ago · 6 km deep · 21 km away

The first 60 of 178.

Before

  1. 3.09 km ENE of Gilroy, California · 14921 days ago · 9 km deep · 33 km away
  2. 2.534 km SW of South Dos Palos, California · 14921 days ago · 0 km deep · 49 km away
  3. 1.815 km SSE of Tres Pinos, California · 14921 days ago · 6 km deep · 20 km away
  4. 2.515 km SSE of Tres Pinos, California · 14921 days ago · 6 km deep · 20 km away
  5. 1.621 km NE of Soledad, California · 14922 days ago · 6 km deep · 36 km away
  6. 1.621 km NE of Soledad, California · 14922 days ago · 7 km deep · 35 km away
  7. 1.522 km NE of Soledad, California · 14923 days ago · 2 km deep · 38 km away
  8. 2.422 km ENE of Soledad, California · 14923 days ago · 3 km deep · 38 km away
  9. 2.726 km SSW of South Dos Palos, California · 14924 days ago · -1 km deep · 62 km away
  10. 2.523 km SSW of South Dos Palos, California · 14924 days ago · -1 km deep · 64 km away
  11. 1.621 km NE of Soledad, California · 14925 days ago · 7 km deep · 35 km away
  12. 1.614 km E of Seven Trees, California · 14926 days ago · 1 km deep · 64 km away
  13. 1.622 km NE of San Ardo, California · 14926 days ago · 1 km deep · 89 km away
  14. 1.914 km E of Seven Trees, California · 14926 days ago · 1 km deep · 64 km away
  15. 2.17 km E of East Foothills, California · 14927 days ago · 6 km deep · 74 km away
  16. 1.517 km SSW of Santa Cruz, California · 14927 days ago · 1 km deep · 57 km away
  17. 2.113 km N of Morgan Hill, California · 14929 days ago · 4 km deep · 58 km away
  18. 2.06 km NE of East Foothills, California · 14929 days ago · 10 km deep · 81 km away
  19. 2.120 km SSE of Tres Pinos, California · 14930 days ago · 5 km deep · 25 km away
  20. 3.314 km SSE of Tres Pinos, California · 14931 days ago · 3 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc59728. Read Tue, Sep 29, 2026, 10:53 PM UTC.