California earthquakes

M2.1 earthquake 15 km E of Seven Trees, California

A magnitude 2.1 earthquake struck 15 km E of Seven Trees, California on Thu, Oct 31, 1985, 3:53 PM PST (23:53 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.4 13 km N of Morgan Hill, California. This one was a foreshock.

Seven Trees 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
2.1 (md), micro
Local time
UTC
1985-10-31 23:53:38 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
37.291° N, 121.669° 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, 0.4 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
40°
Stations used
61

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 158 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.63 km SSE of San Juan Bautista, California · 14935 days ago · 5 km deep · 55 km away
  2. 1.531 km NE of Soledad, California · 14934 days ago · 8 km deep · 96 km away
  3. 2.012 km ESE of East Foothills, California · 14933 days ago · 6 km deep · 5 km away
  4. 2.413 km N of Morgan Hill, California · 14933 days ago · 3 km deep · 6 km away
  5. 1.521 km NE of Soledad, California · 14933 days ago · 6 km deep · 91 km away
  6. 1.914 km E of Seven Trees, California · 14932 days ago · 5 km deep · 1 km away
  7. 3.011 km ESE of East Foothills, California · 14931 days ago · 8 km deep · 6 km away
  8. 1.613 km N of Morgan Hill, California · 14931 days ago · 3 km deep · 5 km away
  9. 1.68 km SW of La Selva Beach, California · 14930 days ago · 9 km deep · 51 km away
  10. 1.87 km SSE of Livermore, California · 14929 days ago · 1 km deep · 37 km away
  11. 1.920 km SSE of Tres Pinos, California · 14929 days ago · 5 km deep · 85 km away
  12. 1.915 km E of Seven Trees, California · 14927 days ago · 6 km deep · 0 km away
  13. 1.712 km SSE of Livermore, California · 14926 days ago · 7 km deep · 32 km away
  14. 1.56 km WSW of Gilroy, California · 14925 days ago · 3 km deep · 35 km away
  15. 2.521 km NE of Soledad, California · 14925 days ago · 2 km deep · 93 km away
  16. 1.714 km E of Seven Trees, California · 14925 days ago · 2 km deep · 1 km away
  17. 2.18 km NE of Milpitas, California · 14925 days ago · 7 km deep · 25 km away
  18. 1.914 km E of Seven Trees, California · 14924 days ago · 3 km deep · 1 km away
  19. 3.314 km SSE of Tres Pinos, California · 14924 days ago · 3 km deep · 78 km away
  20. 2.120 km SSE of Tres Pinos, California · 14923 days ago · 5 km deep · 84 km away
  21. 2.06 km NE of East Foothills, California · 14922 days ago · 10 km deep · 18 km away
  22. 2.113 km N of Morgan Hill, California · 14922 days ago · 4 km deep · 5 km away
  23. 2.910 km E of Livermore, California · 14921 days ago · 2 km deep · 42 km away
  24. 1.517 km SSW of Santa Cruz, California · 14920 days ago · 1 km deep · 64 km away
  25. 2.94 km E of Fairview, California · 14920 days ago · 11 km deep · 51 km away
  26. 2.17 km E of East Foothills, California · 14920 days ago · 6 km deep · 12 km away
  27. 1.914 km E of Seven Trees, California · 14919 days ago · 1 km deep · 1 km away
  28. 2.29 km NNE of Livermore, California · 14919 days ago · 13 km deep · 52 km away
  29. 1.614 km E of Seven Trees, California · 14919 days ago · 1 km deep · 1 km away
  30. 1.621 km NE of Soledad, California · 14918 days ago · 7 km deep · 94 km away
  31. 1.80 km S of Concord, California · 14916 days ago · 15 km deep · 82 km away
  32. 1.80 km NE of Concord, California · 14916 days ago · 16 km deep · 83 km away
  33. 2.422 km ENE of Soledad, California · 14916 days ago · 3 km deep · 97 km away
  34. 1.522 km NE of Soledad, California · 14916 days ago · 2 km deep · 97 km away
  35. 1.621 km NE of Soledad, California · 14915 days ago · 7 km deep · 94 km away
  36. 1.621 km NE of Soledad, California · 14915 days ago · 6 km deep · 95 km away
  37. 1.76 km NNE of Blackhawk, California · 14915 days ago · 16 km deep · 68 km away
  38. 2.515 km SSE of Tres Pinos, California · 14914 days ago · 6 km deep · 79 km away
  39. 1.815 km SSE of Tres Pinos, California · 14914 days ago · 6 km deep · 79 km away
  40. 2.534 km SW of South Dos Palos, California · 14914 days ago · 0 km deep · 92 km away
  41. 3.09 km ENE of Gilroy, California · 14914 days ago · 9 km deep · 32 km away
  42. 2.710 km SW of Ridgemark, California · 14914 days ago · 9 km deep · 63 km away
  43. 1.816 km SSE of Livermore, California · 14914 days ago · 5 km deep · 29 km away
  44. 1.616 km SSE of Livermore, California · 14914 days ago · 5 km deep · 30 km away
  45. 2.48 km NE of Morgan Hill, California · 14913 days ago · 3 km deep · 14 km away
  46. 3.218 km SSE of Tres Pinos, California · 14913 days ago · 9 km deep · 82 km away
  47. 1.515 km NE of East Foothills, California · 14913 days ago · 8 km deep · 21 km away
  48. 2.316 km SSE of Tres Pinos, California · 14913 days ago · 6 km deep · 79 km away
  49. 2.916 km SSE of Tres Pinos, California · 14913 days ago · 6 km deep · 80 km away
  50. 2.116 km SSE of Tres Pinos, California · 14913 days ago · 6 km deep · 79 km away
  51. 1.66 km SW of Ridgemark, California · 14913 days ago · 11 km deep · 61 km away
  52. 1.98 km SW of Tres Pinos, California · 14912 days ago · 3 km deep · 67 km away
  53. 3.021 km NE of Soledad, California · 14912 days ago · 2 km deep · 92 km away
  54. 3.017 km SSE of Tres Pinos, California · 14912 days ago · 7 km deep · 81 km away
  55. 1.922 km NNE of Soledad, California · 14912 days ago · 6 km deep · 87 km away
  56. 2.711 km ESE of East Foothills, California · 14912 days ago · 7 km deep · 6 km away
  57. 2.211 km ESE of East Foothills, California · 14912 days ago · 7 km deep · 6 km away
  58. 2.021 km ESE of Tres Pinos, California · 14910 days ago · 1 km deep · 82 km away
  59. 1.621 km ESE of Tres Pinos, California · 14910 days ago · 0 km deep · 82 km away
  60. 1.55 km ENE of Fremont, California · 14909 days ago · 11 km deep · 38 km away

The first 60 of 158.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc58027. Read Tue, Sep 22, 2026, 8:47 PM UTC.