California earthquakes

M2.2 earthquake 7 km ENE of Gilroy, California

A magnitude 2.2 earthquake struck 7 km ENE of Gilroy, California on Thu, Aug 28, 1975, 11:34 PM PDT (06:34 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M4.2 25 km NE of Soledad, California. This one was a foreshock.

Gilroy 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
1975-08-29 06:34:10 UTC
Depth
8.6 km (5.3 mi), shallow
Epicenter
37.038° N, 121.491° 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, 0.4 km in depth
Magnitude uncertainty
±0.32
Depth from
From location
Station coverage gap
86°
Stations used
40

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 192 in the 60 days after this one and 117 in the 30 days before it.

After

  1. 2.530 km ENE of Soledad, California · 18657 days ago · 7 km deep · 70 km away
  2. 1.619 km SSE of Tres Pinos, California · 18657 days ago · 9 km deep · 51 km away
  3. 2.49 km NW of Hollister, California · 18657 days ago · 4 km deep · 14 km away
  4. 2.59 km NW of Hollister, California · 18657 days ago · 5 km deep · 14 km away
  5. 1.713 km ESE of Seven Trees, California · 18656 days ago · 2 km deep · 30 km away
  6. 1.78 km ESE of East Foothills, California · 18656 days ago · 9 km deep · 41 km away
  7. 2.017 km SSE of Tres Pinos, California · 18656 days ago · 4 km deep · 49 km away
  8. 2.624 km SE of Tres Pinos, California · 18656 days ago · 4 km deep · 56 km away
  9. 3.521 km NE of Soledad, California · 18656 days ago · 5 km deep · 64 km away
  10. 2.48 km NE of San Juan Bautista, California · 18655 days ago · 5 km deep · 15 km away
  11. 2.522 km ENE of Soledad, California · 18655 days ago · 3 km deep · 69 km away
  12. 2.38 km ENE of Gilroy, California · 18655 days ago · 5 km deep · 1 km away
  13. 2.622 km NE of King City, California · 18655 days ago · 6 km deep · 93 km away
  14. 2.521 km NNE of Soledad, California · 18655 days ago · 7 km deep · 56 km away
  15. 2.39 km NW of Hollister, California · 18654 days ago · 5 km deep · 14 km away
  16. 2.821 km NE of Soledad, California · 18654 days ago · 5 km deep · 63 km away
  17. 2.87 km E of East Foothills, California · 18654 days ago · 7 km deep · 44 km away
  18. 2.816 km NE of East Foothills, California · 18654 days ago · 7 km deep · 53 km away
  19. 3.616 km SSE of Tres Pinos, California · 18654 days ago · 3 km deep · 47 km away
  20. 2.421 km NE of Soledad, California · 18654 days ago · 5 km deep · 64 km away
  21. 2.010 km NW of Hollister, California · 18653 days ago · 6 km deep · 13 km away
  22. 2.422 km SSE of Tres Pinos, California · 18653 days ago · 2 km deep · 54 km away
  23. 2.87 km NE of Interlaken, California · 18652 days ago · 3 km deep · 17 km away
  24. 2.09 km NW of Hollister, California · 18651 days ago · 6 km deep · 14 km away
  25. 2.01 km SE of San Ramon, California · 18651 days ago · 7 km deep · 92 km away
  26. 2.75 km ESE of Interlaken, California · 18651 days ago · 7 km deep · 20 km away
  27. 1.825 km NE of Soledad, California · 18651 days ago · 8 km deep · 61 km away
  28. 2.725 km NE of Soledad, California · 18651 days ago · 8 km deep · 61 km away
  29. 2.01 km SE of San Ramon, California · 18651 days ago · 6 km deep · 92 km away
  30. 1.725 km NE of Soledad, California · 18651 days ago · 8 km deep · 61 km away
  31. 1.531 km SSW of South Dos Palos, California · 18651 days ago · 11 km deep · 69 km away
  32. 2.019 km SSE of Tres Pinos, California · 18651 days ago · 6 km deep · 51 km away
  33. 1.725 km NE of Soledad, California · 18651 days ago · 8 km deep · 61 km away
  34. 2.99 km NNW of Hollister, California · 18651 days ago · 0 km deep · 12 km away
  35. 2.16 km SW of Gilroy, California · 18650 days ago · 5 km deep · 14 km away
  36. 2.96 km SW of Gilroy, California · 18650 days ago · 5 km deep · 14 km away
  37. 2.4Northern California · 18650 days ago · 2 km deep · 61 km away
  38. 1.922 km NNE of Soledad, California · 18650 days ago · 2 km deep · 54 km away
  39. 2.325 km NE of Soledad, California · 18650 days ago · 8 km deep · 61 km away
  40. 2.725 km NE of Soledad, California · 18650 days ago · 7 km deep · 61 km away
  41. 4.225 km NE of Soledad, California · 18650 days ago · 8 km deep · 61 km away
  42. 2.625 km NE of Soledad, California · 18650 days ago · 8 km deep · 61 km away
  43. 1.66 km NE of San Martin, California · 18650 days ago · 4 km deep · 12 km away
  44. 2.35 km SW of Gilroy, California · 18649 days ago · 4 km deep · 13 km away
  45. 2.330 km ESE of Tres Pinos, California · 18649 days ago · 0 km deep · 59 km away
  46. 2.53 km ENE of Diablo, California · 18649 days ago · 7 km deep · 98 km away
  47. 2.7Central California · 18649 days ago · 8 km deep · 61 km away
  48. 2.7Central California · 18649 days ago · 4 km deep · 40 km away
  49. 2.13 km ENE of Diablo, California · 18649 days ago · 6 km deep · 98 km away
  50. 1.92 km ENE of Diablo, California · 18649 days ago · 6 km deep · 98 km away
  51. 1.92 km ENE of Diablo, California · 18649 days ago · 6 km deep · 98 km away
  52. 3.67 km SW of Tres Pinos, California · 18649 days ago · 5 km deep · 35 km away
  53. 2.85 km SW of Gilroy, California · 18649 days ago · 4 km deep · 14 km away
  54. 2.63 km WSW of Hollister, California · 18649 days ago · 5 km deep · 23 km away
  55. 2.13 km ENE of Diablo, California · 18649 days ago · 6 km deep · 98 km away
  56. 2.824 km NE of Greenfield, California · 18649 days ago · 6 km deep · 75 km away
  57. 2.93 km NE of Diablo, California · 18649 days ago · 7 km deep · 98 km away
  58. 2.33 km ENE of Diablo, California · 18649 days ago · 7 km deep · 98 km away
  59. 2.13 km ENE of Diablo, California · 18649 days ago · 7 km deep · 98 km away
  60. 2.12 km NE of Diablo, California · 18649 days ago · 6 km deep · 98 km away

The first 60 of 192.

Before

  1. 1.816 km NE of East Foothills, California · 18658 days ago · 6 km deep · 53 km away
  2. 1.618 km E of East Foothills, California · 18658 days ago · 8 km deep · 43 km away
  3. 2.326 km NE of Soledad, California · 18658 days ago · 7 km deep · 59 km away
  4. 2.06 km NNW of Hollister, California · 18658 days ago · 7 km deep · 16 km away
  5. 2.49 km NW of Hollister, California · 18658 days ago · 5 km deep · 14 km away
  6. 2.312 km E of Livermore, California · 18658 days ago · 11 km deep · 73 km away
  7. 1.810 km E of Livermore, California · 18659 days ago · 9 km deep · 71 km away
  8. 1.912 km ESE of East Foothills, California · 18659 days ago · 5 km deep · 36 km away
  9. 2.312 km SSW of Mountain House, California · 18659 days ago · 11 km deep · 73 km away
  10. 1.99 km ENE of Morgan Hill, California · 18659 days ago · 5 km deep · 14 km away
  11. 3.129 km ENE of Soledad, California · 18659 days ago · 6 km deep · 67 km away
  12. 2.911 km SSE of Tres Pinos, California · 18659 days ago · 4 km deep · 43 km away
  13. 4.117 km SSE of Tres Pinos, California · 18659 days ago · 4 km deep · 49 km away
  14. 2.822 km ENE of Soledad, California · 18660 days ago · 10 km deep · 66 km away
  15. 3.36 km NE of Corralitos, California · 18660 days ago · 11 km deep · 23 km away
  16. 3.523 km NE of King City, California · 18660 days ago · 8 km deep · 88 km away
  17. 2.57 km NE of Aromas, California · 18661 days ago · 5 km deep · 14 km away
  18. 2.424 km NE of Soledad, California · 18661 days ago · 10 km deep · 62 km away
  19. 3.413 km S of Tres Pinos, California · 18661 days ago · 4 km deep · 45 km away
  20. 3.84 km SSW of Gilroy, California · 18661 days ago · 2 km deep · 12 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1026021. Read Sun, Sep 27, 2026, 8:30 PM UTC.