California earthquakes

M1.7 earthquake 4 km WSW of Cupertino, California

A magnitude 1.7 earthquake struck 4 km WSW of Cupertino, California on Tue, Jan 21, 1975, 3:25 PM PST (23:25 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.3 9 km NW of Hollister, California. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.7 (md), micro
Local time
UTC
1975-01-21 23:25:18 UTC
Depth
6.3 km (3.9 mi), shallow
Epicenter
37.304° N, 122.074° 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 0.5 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
130°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 182 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 4.39 km NW of Hollister, California · 18870 days ago · 7 km deep · 69 km away
  2. 2.09 km NW of Hollister, California · 18870 days ago · 6 km deep · 68 km away
  3. 2.98 km NE of San Juan Bautista, California · 18870 days ago · 4 km deep · 68 km away
  4. 3.28 km NE of San Juan Bautista, California · 18870 days ago · 6 km deep · 69 km away
  5. 2.39 km NE of San Juan Bautista, California · 18869 days ago · 4 km deep · 69 km away
  6. 1.76 km ESE of Sunol, California · 18869 days ago · 10 km deep · 36 km away
  7. 3.41 km SW of Ridgemark, California · 18869 days ago · 3 km deep · 83 km away
  8. 3.19 km SSW of Tres Pinos, California · 18869 days ago · 3 km deep · 92 km away
  9. 2.78 km NW of Hollister, California · 18869 days ago · 6 km deep · 69 km away
  10. 2.49 km NW of Hollister, California · 18867 days ago · 6 km deep · 69 km away
  11. 1.510 km NNW of Hollister, California · 18867 days ago · 3 km deep · 68 km away
  12. 3.85 km SW of Gilroy, California · 18866 days ago · 7 km deep · 56 km away
  13. 3.85 km SSW of Gilroy, California · 18866 days ago · 7 km deep · 56 km away
  14. 2.19 km NNW of Hollister, California · 18865 days ago · 4 km deep · 69 km away
  15. 1.710 km NNW of Hollister, California · 18865 days ago · 3 km deep · 68 km away
  16. 2.46 km WSW of Gilroy, California · 18865 days ago · 4 km deep · 53 km away
  17. 2.69 km NW of Hollister, California · 18864 days ago · 5 km deep · 69 km away
  18. 1.84 km NNW of Aromas, California · 18864 days ago · 10 km deep · 56 km away
  19. 3.09 km NW of Hollister, California · 18864 days ago · 3 km deep · 69 km away
  20. 3.08 km NE of San Juan Bautista, California · 18864 days ago · 5 km deep · 69 km away
  21. 3.13 km W of San Juan Bautista, California · 18864 days ago · 4 km deep · 67 km away
  22. 2.68 km NW of Hollister, California · 18864 days ago · 5 km deep · 69 km away
  23. 1.617 km ESE of Livermore, California · 18864 days ago · 7 km deep · 53 km away
  24. 2.09 km NW of Hollister, California · 18864 days ago · 5 km deep · 69 km away
  25. 2.69 km NNW of Hollister, California · 18863 days ago · 2 km deep · 69 km away
  26. 2.08 km NE of San Juan Bautista, California · 18863 days ago · 5 km deep · 68 km away
  27. 2.09 km NE of San Juan Bautista, California · 18863 days ago · 3 km deep · 69 km away
  28. 1.710 km S of Tres Pinos, California · 18861 days ago · 16 km deep · 95 km away
  29. 2.78 km NW of Hollister, California · 18859 days ago · 6 km deep · 69 km away
  30. 2.99 km NE of San Juan Bautista, California · 18858 days ago · 6 km deep · 69 km away
  31. 2.418 km SW of Volta, California · 18858 days ago · 2 km deep · 97 km away
  32. 2.98 km NE of Interlaken, California · 18857 days ago · 10 km deep · 50 km away
  33. 1.93 km SE of Tres Pinos, California · 18857 days ago · 8 km deep · 92 km away
  34. 2.710 km NNW of Hollister, California · 18857 days ago · 2 km deep · 68 km away
  35. 2.011 km SE of Sunol, California · 18856 days ago · 6 km deep · 32 km away
  36. 2.47 km E of East Foothills, California · 18856 days ago · 7 km deep · 31 km away
  37. 2.011 km S of Tres Pinos, California · 18856 days ago · 3 km deep · 95 km away
  38. 3.98 km NW of Hollister, California · 18856 days ago · 6 km deep · 69 km away
  39. 4.05 km WNW of San Juan Bautista, California · 18856 days ago · 7 km deep · 65 km away
  40. 2.79 km NW of Hollister, California · 18855 days ago · 6 km deep · 69 km away
  41. 3.18 km NW of Hollister, California · 18855 days ago · 7 km deep · 69 km away
  42. 2.99 km NE of San Juan Bautista, California · 18855 days ago · 8 km deep · 68 km away
  43. 2.69 km NE of San Juan Bautista, California · 18855 days ago · 6 km deep · 69 km away
  44. 2.79 km NW of Hollister, California · 18855 days ago · 5 km deep · 69 km away
  45. 2.25 km SW of Gilroy, California · 18855 days ago · 4 km deep · 54 km away
  46. 1.910 km S of Tres Pinos, California · 18854 days ago · 9 km deep · 94 km away
  47. 2.79 km ENE of Morgan Hill, California · 18854 days ago · 6 km deep · 49 km away
  48. 3.79 km NW of Hollister, California · 18852 days ago · 4 km deep · 68 km away
  49. 2.29 km NNW of Hollister, California · 18852 days ago · 3 km deep · 69 km away
  50. 2.38 km NE of San Juan Bautista, California · 18852 days ago · 7 km deep · 69 km away
  51. 1.820 km NW of Diablo Grande, California · 18850 days ago · 2 km deep · 58 km away
  52. 2.49 km NW of Hollister, California · 18850 days ago · 3 km deep · 69 km away
  53. 2.55 km SE of Tres Pinos, California · 18849 days ago · 8 km deep · 93 km away
  54. 2.812 km S of Tres Pinos, California · 18849 days ago · 4 km deep · 97 km away
  55. 2.49 km NW of Hollister, California · 18849 days ago · 6 km deep · 69 km away
  56. 2.98 km NE of San Juan Bautista, California · 18849 days ago · 5 km deep · 69 km away
  57. 3.08 km NW of Hollister, California · 18849 days ago · 5 km deep · 69 km away
  58. 1.623 km ENE of East Foothills, California · 18848 days ago · 1 km deep · 48 km away
  59. 3.12 km SW of San Juan Bautista, California · 18847 days ago · 6 km deep · 70 km away
  60. 2.89 km NW of Hollister, California · 18846 days ago · 5 km deep · 69 km away

The first 60 of 182.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1022604. Read Tue, Sep 22, 2026, 11:20 AM UTC.