California earthquakes

M2.4 earthquake 5 km S of Gilroy, California

A magnitude 2.4 earthquake struck 5 km S of Gilroy, California on Tue, May 20, 1975, 10:16 PM PDT (05:16 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.6 23 km ENE 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
2.4 (md), micro
Local time
UTC
1975-05-21 05:16:21 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
36.959° N, 121.572° 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
±0.22
Depth from
From location
Station coverage gap
46°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 187 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.623 km ENE of Soledad, California · 18730 days ago · 2 km deep · 65 km away
  2. 3.69 km NW of Hollister, California · 18730 days ago · 6 km deep · 10 km away
  3. 2.717 km SSE of Tres Pinos, California · 18730 days ago · 9 km deep · 45 km away
  4. 2.19 km NE of San Martin, California · 18730 days ago · 7 km deep · 22 km away
  5. 1.6Central California · 18730 days ago · 0 km deep · 64 km away
  6. 2.823 km ENE of Soledad, California · 18730 days ago · 0 km deep · 64 km away
  7. 2.523 km ENE of Soledad, California · 18730 days ago · 2 km deep · 65 km away
  8. 2.723 km ENE of Soledad, California · 18729 days ago · 1 km deep · 64 km away
  9. 1.93 km NW of San Juan Bautista, California · 18729 days ago · 6 km deep · 10 km away
  10. 2.29 km NNW of Hollister, California · 18729 days ago · 5 km deep · 10 km away
  11. 3.8Central California · 18729 days ago · 4 km deep · 10 km away
  12. 2.45 km SSW of Gilroy, California · 18729 days ago · 3 km deep · 2 km away
  13. 2.59 km NE of San Juan Bautista, California · 18729 days ago · 4 km deep · 10 km away
  14. 1.923 km ENE of Soledad, California · 18729 days ago · 2 km deep · 65 km away
  15. 2.023 km ENE of Soledad, California · 18729 days ago · 1 km deep · 65 km away
  16. 2.421 km NE of Soledad, California · 18728 days ago · 3 km deep · 59 km away
  17. 3.312 km S of Tres Pinos, California · 18728 days ago · 4 km deep · 39 km away
  18. 3.412 km S of Tres Pinos, California · 18728 days ago · 4 km deep · 39 km away
  19. 2.423 km ENE of Soledad, California · 18728 days ago · -1 km deep · 64 km away
  20. 3.111 km S of Tres Pinos, California · 18728 days ago · 3 km deep · 39 km away
  21. 2.523 km ENE of Soledad, California · 18728 days ago · 2 km deep · 65 km away
  22. 2.49 km NNW of Hollister, California · 18728 days ago · 8 km deep · 11 km away
  23. 2.621 km NE of Soledad, California · 18727 days ago · 4 km deep · 55 km away
  24. 2.56 km WSW of Gilroy, California · 18727 days ago · 2 km deep · 6 km away
  25. 1.8Northern California · 18727 days ago · 9 km deep · 78 km away
  26. 2.45 km SW of Hollister, California · 18727 days ago · 8 km deep · 20 km away
  27. 3.19 km NW of Hollister, California · 18727 days ago · 4 km deep · 10 km away
  28. 2.823 km ENE of Soledad, California · 18727 days ago · 3 km deep · 67 km away
  29. 2.913 km S of Tres Pinos, California · 18727 days ago · 4 km deep · 40 km away
  30. 2.123 km ENE of Soledad, California · 18726 days ago · 2 km deep · 64 km away
  31. 2.213 km SSE of Tres Pinos, California · 18726 days ago · 4 km deep · 41 km away
  32. 3.522 km NE of Soledad, California · 18726 days ago · 4 km deep · 61 km away
  33. 1.623 km ENE of Soledad, California · 18726 days ago · 0 km deep · 65 km away
  34. 3.329 km SW of South Dos Palos, California · 18726 days ago · 6 km deep · 65 km away
  35. 1.827 km NE of Soledad, California · 18725 days ago · 9 km deep · 62 km away
  36. 1.65 km NNE of Morgan Hill, California · 18725 days ago · 4 km deep · 24 km away
  37. 2.29 km NNE of San Juan Bautista, California · 18725 days ago · 5 km deep · 8 km away
  38. 3.030 km SW of South Dos Palos, California · 18725 days ago · 6 km deep · 64 km away
  39. 2.726 km NE of Soledad, California · 18725 days ago · 8 km deep · 62 km away
  40. 2.128 km ENE of Soledad, California · 18724 days ago · 12 km deep · 63 km away
  41. 3.625 km NE of Greenfield, California · 18724 days ago · 1 km deep · 76 km away
  42. 4.19 km SSE of Gustine, California · 18724 days ago · 0 km deep · 61 km away
  43. 3.023 km ENE of Soledad, California · 18724 days ago · 0 km deep · 65 km away
  44. 3.325 km ENE of Greenfield, California · 18724 days ago · 1 km deep · 76 km away
  45. 2.322 km NNE of Soledad, California · 18724 days ago · 9 km deep · 51 km away
  46. 1.512 km S of Tres Pinos, California · 18724 days ago · 1 km deep · 39 km away
  47. 3.123 km ENE of Soledad, California · 18724 days ago · 1 km deep · 65 km away
  48. 2.323 km ENE of Soledad, California · 18724 days ago · 1 km deep · 64 km away
  49. 1.63 km W of Portola Valley, California · 18724 days ago · 10 km deep · 78 km away
  50. 2.32 km WSW of Portola Valley, California · 18724 days ago · 10 km deep · 77 km away
  51. 2.02 km W of Portola Valley, California · 18724 days ago · 9 km deep · 77 km away
  52. 2.311 km ESE of Livermore, California · 18723 days ago · 5 km deep · 77 km away
  53. 2.03 km WSW of Portola Valley, California · 18723 days ago · 9 km deep · 77 km away
  54. 3.42 km WSW of Portola Valley, California · 18723 days ago · 9 km deep · 77 km away
  55. 2.33 km W of Portola Valley, California · 18723 days ago · 9 km deep · 78 km away
  56. 1.92 km WSW of Portola Valley, California · 18723 days ago · 9 km deep · 77 km away
  57. 2.22 km WSW of Portola Valley, California · 18723 days ago · 9 km deep · 77 km away
  58. 1.83 km W of Portola Valley, California · 18723 days ago · 9 km deep · 78 km away
  59. 1.92 km WSW of Portola Valley, California · 18723 days ago · 9 km deep · 77 km away
  60. 1.93 km W of Portola Valley, California · 18723 days ago · 9 km deep · 78 km away

The first 60 of 187.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1023937. Read Tue, Sep 22, 2026, 10:33 PM UTC.