California earthquakes

M2.2 earthquake 7 km NE of Ridgemark, California

A magnitude 2.2 earthquake struck 7 km NE of Ridgemark, California on Wed, Jun 11, 1986, 2:20 AM PDT (09:20 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.5 18 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
2.2 (md), micro
Local time
UTC
1986-06-11 09:20:46 UTC
Depth
4.6 km (2.9 mi), shallow
Epicenter
36.854° N, 121.305° 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 0.1 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
45°
Stations used
60

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 175 in the 60 days after this one and 184 in the 30 days before it.

After

  1. 3.06 km SW of Gilroy, California · 14720 days ago · 6 km deep · 30 km away
  2. 3.113 km N of Morgan Hill, California · 14720 days ago · 4 km deep · 53 km away
  3. 3.518 km SSE of Tres Pinos, California · 14720 days ago · 7 km deep · 25 km away
  4. 2.420 km SSE of Tres Pinos, California · 14720 days ago · 5 km deep · 27 km away
  5. 2.020 km SSE of Tres Pinos, California · 14720 days ago · 5 km deep · 27 km away
  6. 1.77 km NE of Ridgemark, California · 14719 days ago · 4 km deep · 0 km away
  7. 1.622 km NE of Soledad, California · 14719 days ago · 25 km deep · 37 km away
  8. 2.016 km SE of Livermore, California · 14719 days ago · 1 km deep · 85 km away
  9. 2.321 km SSE of Tres Pinos, California · 14719 days ago · 5 km deep · 27 km away
  10. 1.718 km NE of East Foothills, California · 14719 days ago · 6 km deep · 81 km away
  11. 1.613 km ENE of East Foothills, California · 14719 days ago · 8 km deep · 72 km away
  12. 2.221 km NE of Soledad, California · 14719 days ago · 3 km deep · 33 km away
  13. 2.14 km SE of Tres Pinos, California · 14719 days ago · 7 km deep · 10 km away
  14. 2.017 km SSE of Tres Pinos, California · 14719 days ago · 4 km deep · 24 km away
  15. 1.54 km ENE of Tres Pinos, California · 14718 days ago · 9 km deep · 7 km away
  16. 1.69 km SSW of Santa Cruz, California · 14718 days ago · 5 km deep · 69 km away
  17. 1.95 km NNE of Tres Pinos, California · 14718 days ago · 8 km deep · 3 km away
  18. 2.220 km SSE of Tres Pinos, California · 14718 days ago · 5 km deep · 27 km away
  19. 2.318 km SSE of Tres Pinos, California · 14718 days ago · 6 km deep · 25 km away
  20. 2.518 km SSE of Tres Pinos, California · 14717 days ago · 6 km deep · 25 km away
  21. 1.57 km S of Livermore, California · 14717 days ago · 8 km deep · 94 km away
  22. 2.118 km SSE of Tres Pinos, California · 14717 days ago · 6 km deep · 25 km away
  23. 1.718 km NE of East Foothills, California · 14717 days ago · 7 km deep · 81 km away
  24. 2.07 km E of Gilroy, California · 14717 days ago · 4 km deep · 24 km away
  25. 1.913 km NNE of East Foothills, California · 14717 days ago · 9 km deep · 80 km away
  26. 2.716 km N of Morgan Hill, California · 14717 days ago · 6 km deep · 56 km away
  27. 1.913 km ENE of East Foothills, California · 14716 days ago · 6 km deep · 73 km away
  28. 1.66 km E of East Foothills, California · 14716 days ago · 6 km deep · 71 km away
  29. 2.56 km N of Tres Pinos, California · 14716 days ago · 5 km deep · 1 km away
  30. 3.118 km SE of Livermore, California · 14716 days ago · 5 km deep · 85 km away
  31. 1.69 km NNE of San Martin, California · 14716 days ago · 5 km deep · 40 km away
  32. 1.55 km NNE of Tres Pinos, California · 14715 days ago · 7 km deep · 3 km away
  33. 2.04 km N of East Foothills, California · 14715 days ago · 1 km deep · 78 km away
  34. 1.627 km WSW of Three Rocks, California · 14715 days ago · 10 km deep · 75 km away
  35. 1.915 km NE of East Foothills, California · 14715 days ago · 5 km deep · 76 km away
  36. 2.38 km SSW of Tres Pinos, California · 14715 days ago · 1 km deep · 16 km away
  37. 1.618 km NE of East Foothills, California · 14715 days ago · 8 km deep · 80 km away
  38. 1.927 km ENE of San Lucas, California · 14714 days ago · 9 km deep · 83 km away
  39. 1.518 km SSE of Livermore, California · 14714 days ago · 5 km deep · 82 km away
  40. 1.59 km NNE of Morgan Hill, California · 14714 days ago · 3 km deep · 47 km away
  41. 1.613 km ENE of East Foothills, California · 14714 days ago · 7 km deep · 73 km away
  42. 1.917 km SSE of Tres Pinos, California · 14714 days ago · 5 km deep · 24 km away
  43. 1.723 km NNE of San Lucas, California · 14714 days ago · 3 km deep · 70 km away
  44. 1.94 km NE of Tres Pinos, California · 14714 days ago · 6 km deep · 5 km away
  45. 2.021 km NE of Soledad, California · 14713 days ago · 8 km deep · 38 km away
  46. 1.513 km ENE of East Foothills, California · 14713 days ago · 7 km deep · 73 km away
  47. 1.817 km SSE of Tres Pinos, California · 14713 days ago · 4 km deep · 24 km away
  48. 1.920 km SSE of Tres Pinos, California · 14713 days ago · 5 km deep · 27 km away
  49. 2.017 km SSE of Tres Pinos, California · 14713 days ago · 4 km deep · 24 km away
  50. 1.65 km NNE of Tres Pinos, California · 14713 days ago · 7 km deep · 3 km away
  51. 2.224 km NE of Greenfield, California · 14712 days ago · 4 km deep · 48 km away
  52. 2.818 km NE of East Foothills, California · 14712 days ago · 9 km deep · 80 km away
  53. 1.87 km NNE of Tres Pinos, California · 14712 days ago · 5 km deep · 0 km away
  54. 2.417 km WSW of Volta, California · 14712 days ago · 8 km deep · 27 km away
  55. 1.613 km ENE of East Foothills, California · 14712 days ago · 8 km deep · 74 km away
  56. 1.824 km NE of Greenfield, California · 14711 days ago · 5 km deep · 51 km away
  57. 2.019 km SSE of Livermore, California · 14711 days ago · 6 km deep · 81 km away
  58. 1.919 km SSE of Tres Pinos, California · 14710 days ago · 6 km deep · 26 km away
  59. 2.25 km NNE of Tres Pinos, California · 14710 days ago · 6 km deep · 3 km away
  60. 2.026 km NE of Soledad, California · 14710 days ago · 9 km deep · 38 km away

The first 60 of 175.

Before

  1. 2.44 km SE of Tres Pinos, California · 14720 days ago · 8 km deep · 10 km away
  2. 2.74 km SE of Tres Pinos, California · 14720 days ago · 8 km deep · 10 km away
  3. 1.919 km SSE of Tres Pinos, California · 14720 days ago · 5 km deep · 25 km away
  4. 2.14 km SE of Tres Pinos, California · 14721 days ago · 7 km deep · 10 km away
  5. 2.08 km SSW of Tres Pinos, California · 14721 days ago · 3 km deep · 16 km away
  6. 1.630 km NE of Soledad, California · 14721 days ago · 6 km deep · 39 km away
  7. 1.66 km NNE of Tres Pinos, California · 14721 days ago · 5 km deep · 2 km away
  8. 1.613 km ENE of East Foothills, California · 14721 days ago · 6 km deep · 73 km away
  9. 3.114 km SSW of Three Rocks, California · 14721 days ago · 5 km deep · 92 km away
  10. 3.316 km SSE of Tres Pinos, California · 14721 days ago · 9 km deep · 23 km away
  11. 1.922 km NE of San Ardo, California · 14722 days ago · 0 km deep · 89 km away
  12. 1.64 km SE of Tres Pinos, California · 14722 days ago · 0 km deep · 10 km away
  13. 1.718 km NE of East Foothills, California · 14722 days ago · 7 km deep · 81 km away
  14. 1.520 km SSE of Tres Pinos, California · 14722 days ago · 4 km deep · 27 km away
  15. 1.614 km E of Seven Trees, California · 14722 days ago · 6 km deep · 59 km away
  16. 1.75 km ENE of Interlaken, California · 14723 days ago · 11 km deep · 36 km away
  17. 1.921 km SSE of Tres Pinos, California · 14724 days ago · 6 km deep · 28 km away
  18. 1.95 km ENE of Interlaken, California · 14724 days ago · 11 km deep · 35 km away
  19. 1.817 km SSE of Tres Pinos, California · 14724 days ago · 3 km deep · 24 km away
  20. 1.817 km NE of East Foothills, California · 14724 days ago · 8 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc74436. Read Tue, Sep 29, 2026, 11:02 AM UTC.