California earthquakes

M1.7 earthquake 4 km SSW of Tres Pinos, California

A magnitude 1.7 earthquake struck 4 km SSW of Tres Pinos, California on Wed, Sep 14, 1988, 5:13 AM PDT (12:13 UTC), 2 km (2 mi) below the surface.

A larger quake followed: M4.8 7 km E of East Foothills, California. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1988-09-14 12:13:39 UTC
Depth
2.5 km (1.5 mi), shallow
Epicenter
36.751° N, 121.342° 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
±0.15
Depth from
From location
Station coverage gap
41°
Stations used
36

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 147 in the 60 days after this one and 104 in the 30 days before it.

After

  1. 3.313 km N of Morgan Hill, California · 13897 days ago · 6 km deep · 62 km away
  2. 1.617 km SSW of Cantua Creek, California · 13896 days ago · 8 km deep · 99 km away
  3. 1.57 km N of East Foothills, California · 13896 days ago · 6 km deep · 88 km away
  4. 2.024 km ENE of Greenfield, California · 13896 days ago · 5 km deep · 49 km away
  5. 1.90 km SW of Tres Pinos, California · 13895 days ago · 6 km deep · 4 km away
  6. 1.823 km NE of Soledad, California · 13895 days ago · 3 km deep · 25 km away
  7. 1.624 km ENE of Greenfield, California · 13894 days ago · 6 km deep · 46 km away
  8. 1.522 km NE of San Lucas, California · 13893 days ago · 7 km deep · 70 km away
  9. 1.710 km SW of Ridgemark, California · 13893 days ago · 8 km deep · 10 km away
  10. 1.921 km NE of Soledad, California · 13893 days ago · 6 km deep · 24 km away
  11. 1.518 km NE of East Foothills, California · 13892 days ago · 8 km deep · 90 km away
  12. 1.524 km NE of Soledad, California · 13892 days ago · 7 km deep · 24 km away
  13. 2.021 km NE of Soledad, California · 13891 days ago · 6 km deep · 31 km away
  14. 2.123 km ENE of San Lucas, California · 13891 days ago · 7 km deep · 74 km away
  15. 2.724 km ENE of San Lucas, California · 13891 days ago · 8 km deep · 78 km away
  16. 2.46 km NE of Ridgemark, California · 13890 days ago · 6 km deep · 12 km away
  17. 3.226 km W of Three Rocks, California · 13889 days ago · 7 km deep · 65 km away
  18. 1.69 km NE of Milpitas, California · 13889 days ago · 8 km deep · 93 km away
  19. 1.712 km ESE of East Foothills, California · 13889 days ago · 4 km deep · 71 km away
  20. 2.1Northern California · 13888 days ago · 8 km deep · 36 km away
  21. 1.84 km SW of Tres Pinos, California · 13888 days ago · 8 km deep · 1 km away
  22. 2.38 km WSW of Saratoga, California · 13887 days ago · 5 km deep · 86 km away
  23. 1.66 km SSW of San Lucas, California · 13887 days ago · 12 km deep · 79 km away
  24. 2.040 km SSW of South Dos Palos, California · 13886 days ago · 6 km deep · 47 km away
  25. 1.733 km W of Three Rocks, California · 13885 days ago · 6 km deep · 56 km away
  26. 2.434 km W of Three Rocks, California · 13885 days ago · 5 km deep · 55 km away
  27. 2.037 km SE of Big Sur, California · 13884 days ago · 17 km deep · 86 km away
  28. 2.124 km NE of Greenfield, California · 13883 days ago · 1 km deep · 41 km away
  29. 1.67 km WSW of Gilroy, California · 13883 days ago · 4 km deep · 38 km away
  30. 2.324 km NE of Greenfield, California · 13883 days ago · 6 km deep · 39 km away
  31. 1.721 km NE of Soledad, California · 13883 days ago · 3 km deep · 26 km away
  32. 1.64 km ESE of Aromas, California · 13881 days ago · 7 km deep · 26 km away
  33. 1.522 km NE of Soledad, California · 13881 days ago · 8 km deep · 30 km away
  34. 2.122 km NE of Soledad, California · 13881 days ago · 8 km deep · 30 km away
  35. 1.76 km ENE of East Foothills, California · 13881 days ago · 8 km deep · 82 km away
  36. 1.912 km SW of Fairmead, California · 13880 days ago · 12 km deep · 98 km away
  37. 1.716 km N of Morgan Hill, California · 13880 days ago · 5 km deep · 65 km away
  38. 2.011 km NNW of Coalinga, California · 13880 days ago · 6 km deep · 100 km away
  39. 1.926 km ENE of Greenfield, California · 13880 days ago · 9 km deep · 45 km away
  40. 1.730 km ENE of Soledad, California · 13880 days ago · 8 km deep · 34 km away
  41. 2.115 km NNW of Coalinga, California · 13879 days ago · 8 km deep · 98 km away
  42. 2.05 km NNW of Soledad, California · 13878 days ago · 1 km deep · 32 km away
  43. 1.89 km NNE of East Foothills, California · 13878 days ago · 10 km deep · 89 km away
  44. 1.616 km E of Seven Trees, California · 13878 days ago · 5 km deep · 65 km away
  45. 1.922 km NE of San Lucas, California · 13878 days ago · 7 km deep · 73 km away
  46. 1.611 km S of Carmel-by-the-Sea, California · 13877 days ago · 10 km deep · 62 km away
  47. 1.76 km NE of East Foothills, California · 13877 days ago · 7 km deep · 83 km away
  48. 1.816 km NE of East Foothills, California · 13877 days ago · 4 km deep · 85 km away
  49. 1.816 km NE of East Foothills, California · 13877 days ago · 3 km deep · 85 km away
  50. 2.45 km NNE of Tres Pinos, California · 13876 days ago · 4 km deep · 10 km away
  51. 2.47 km N of Hollister, California · 13875 days ago · 8 km deep · 20 km away
  52. 1.822 km NE of Soledad, California · 13875 days ago · 0 km deep · 24 km away
  53. 2.1Central California · 13875 days ago · 2 km deep · 27 km away
  54. 1.523 km ENE of San Lucas, California · 13874 days ago · 8 km deep · 75 km away
  55. 1.5Northern California · 13873 days ago · 2 km deep · 67 km away
  56. 1.624 km ENE of Soledad, California · 13872 days ago · 2 km deep · 38 km away
  57. 1.9Central California · 13872 days ago · 3 km deep · 5 km away
  58. 1.79 km N of Day Valley, California · 13872 days ago · 11 km deep · 63 km away
  59. 2.28 km ESE of East Foothills, California · 13871 days ago · 6 km deep · 75 km away
  60. 1.817 km NE of East Foothills, California · 13871 days ago · 6 km deep · 89 km away

The first 60 of 147.

Before

  1. 2.26 km ENE of Hollister, California · 13898 days ago · 6 km deep · 13 km away
  2. 1.923 km ENE of San Lucas, California · 13898 days ago · 7 km deep · 75 km away
  3. 1.917 km NE of East Foothills, California · 13898 days ago · 8 km deep · 88 km away
  4. 2.013 km ENE of East Foothills, California · 13898 days ago · 6 km deep · 80 km away
  5. 1.524 km ENE of San Lucas, California · 13899 days ago · 7 km deep · 77 km away
  6. 2.023 km ENE of San Lucas, California · 13899 days ago · 5 km deep · 77 km away
  7. 2.86 km NE of Ridgemark, California · 13899 days ago · 7 km deep · 12 km away
  8. 1.723 km ENE of San Lucas, California · 13901 days ago · 7 km deep · 77 km away
  9. 2.014 km SE of Livermore, California · 13901 days ago · 4 km deep · 96 km away
  10. 1.922 km ENE of San Ardo, California · 13903 days ago · 2 km deep · 93 km away
  11. 1.99 km SSW of Tres Pinos, California · 13903 days ago · 2 km deep · 4 km away
  12. 1.710 km N of Morgan Hill, California · 13904 days ago · 7 km deep · 60 km away
  13. 2.15 km NNW of East Foothills, California · 13904 days ago · 1 km deep · 87 km away
  14. 1.624 km ENE of San Lucas, California · 13905 days ago · 8 km deep · 78 km away
  15. 2.510 km WSW of Ridgemark, California · 13905 days ago · 7 km deep · 11 km away
  16. 2.317 km NNW of Coalinga, California · 13905 days ago · 9 km deep · 95 km away
  17. 1.531 km NE of Soledad, California · 13905 days ago · 8 km deep · 31 km away
  18. 2.1Central California · 13905 days ago · 6 km deep · 76 km away
  19. 2.29 km NNW of Hollister, California · 13905 days ago · 7 km deep · 22 km away
  20. 2.09 km ESE of Seven Trees, California · 13906 days ago · 5 km deep · 66 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc123749. Read Sat, Oct 3, 2026, 6:50 AM UTC.