California earthquakes

M1.5 earthquake 5 km WSW of Gilroy, California

A magnitude 1.5 earthquake struck 5 km WSW of Gilroy, California on Sat, Jul 27, 1985, 6:51 PM PDT (01:51 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.5 16 km NE of East Foothills, 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
1.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1985-07-28 01:51:55 UTC
Depth
6.5 km (4.1 mi), shallow
Epicenter
36.986° N, 121.627° 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, 0.3 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
34°
Stations used
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 141 in the 60 days after this one and 79 in the 30 days before it.

After

  1. 1.625 km ENE of Greenfield, California · 15043 days ago · -1 km deep · 82 km away
  2. 1.812 km NW of Big Sur, California · 15043 days ago · 10 km deep · 74 km away
  3. 1.614 km N of Morgan Hill, California · 15043 days ago · 6 km deep · 30 km away
  4. 1.612 km S of Tres Pinos, California · 15042 days ago · 4 km deep · 45 km away
  5. 2.122 km NNE of Soledad, California · 15041 days ago · 5 km deep · 57 km away
  6. 1.636 km SSW of South Dos Palos, California · 15040 days ago · 8 km deep · 79 km away
  7. 1.921 km NE of Soledad, California · 15040 days ago · 6 km deep · 63 km away
  8. 1.813 km N of Morgan Hill, California · 15040 days ago · 4 km deep · 29 km away
  9. 1.75 km SE of Tres Pinos, California · 15039 days ago · 8 km deep · 41 km away
  10. 2.024 km NE of Soledad, California · 15039 days ago · 3 km deep · 68 km away
  11. 1.75 km NW of San Leandro, California · 15038 days ago · 12 km deep · 100 km away
  12. 2.06 km SE of Tres Pinos, California · 15038 days ago · 8 km deep · 41 km away
  13. 2.222 km NE of Soledad, California · 15037 days ago · 2 km deep · 67 km away
  14. 1.616 km N of Morgan Hill, California · 15037 days ago · 8 km deep · 32 km away
  15. 1.822 km NE of Soledad, California · 15037 days ago · 2 km deep · 67 km away
  16. 2.816 km N of Morgan Hill, California · 15037 days ago · 8 km deep · 32 km away
  17. 1.521 km NNE of Soledad, California · 15037 days ago · 8 km deep · 58 km away
  18. 1.921 km NE of Soledad, California · 15035 days ago · 6 km deep · 63 km away
  19. 2.02 km SSW of Portola Valley, California · 15035 days ago · 8 km deep · 69 km away
  20. 1.62 km SSW of Portola Valley, California · 15035 days ago · 8 km deep · 69 km away
  21. 1.523 km ENE of Soledad, California · 15034 days ago · 4 km deep · 71 km away
  22. 2.421 km NE of Soledad, California · 15034 days ago · 6 km deep · 65 km away
  23. 2.19 km SSW of Ridgemark, California · 15033 days ago · 6 km deep · 34 km away
  24. 2.28 km ENE of Morgan Hill, California · 15033 days ago · 2 km deep · 20 km away
  25. 1.921 km NE of Morgan Hill, California · 15033 days ago · 7 km deep · 34 km away
  26. 1.613 km SSE of Livermore, California · 15032 days ago · 5 km deep · 66 km away
  27. 1.77 km NNE of East Foothills, California · 15032 days ago · 5 km deep · 52 km away
  28. 1.833 km NE of King City, California · 15032 days ago · 7 km deep · 97 km away
  29. 1.615 km E of Seven Trees, California · 15031 days ago · 5 km deep · 34 km away
  30. 1.65 km ENE of Interlaken, California · 15030 days ago · 11 km deep · 4 km away
  31. 1.823 km ENE of Soledad, California · 15030 days ago · 5 km deep · 73 km away
  32. 2.7Central California · 15029 days ago · 4 km deep · 66 km away
  33. 1.621 km NE of Soledad, California · 15029 days ago · 5 km deep · 66 km away
  34. 1.92 km SW of West Menlo Park, California · 15029 days ago · 4 km deep · 71 km away
  35. 1.921 km NE of Soledad, California · 15029 days ago · 4 km deep · 66 km away
  36. 1.715 km E of Big Sur, California · 15028 days ago · 2 km deep · 80 km away
  37. 1.55 km E of Interlaken, California · 15027 days ago · 10 km deep · 5 km away
  38. 1.55 km E of Interlaken, California · 15027 days ago · 11 km deep · 5 km away
  39. 1.75 km E of Interlaken, California · 15027 days ago · 11 km deep · 6 km away
  40. 1.85 km E of Interlaken, California · 15027 days ago · 10 km deep · 6 km away
  41. 1.75 km E of Interlaken, California · 15027 days ago · 11 km deep · 6 km away
  42. 1.87 km WNW of Del Monte Forest, California · 15027 days ago · 8 km deep · 53 km away
  43. 2.03 km N of Hollister, California · 15026 days ago · 3 km deep · 23 km away
  44. 1.621 km NE of Soledad, California · 15026 days ago · 5 km deep · 66 km away
  45. 1.723 km ENE of Soledad, California · 15025 days ago · 4 km deep · 71 km away
  46. 1.614 km N of Morgan Hill, California · 15024 days ago · 6 km deep · 30 km away
  47. 2.111 km S of Big Sur, California · 15024 days ago · 18 km deep · 93 km away
  48. 2.911 km NNE of Morgan Hill, California · 15024 days ago · 5 km deep · 28 km away
  49. 1.815 km E of Seven Trees, California · 15023 days ago · 5 km deep · 35 km away
  50. 1.512 km N of Morgan Hill, California · 15023 days ago · 7 km deep · 29 km away
  51. 3.18 km ENE of San Martin, California · 15023 days ago · 8 km deep · 18 km away
  52. 1.92 km SW of Blackhawk, California · 15022 days ago · 15 km deep · 95 km away
  53. 2.814 km N of Morgan Hill, California · 15022 days ago · 6 km deep · 30 km away
  54. 1.614 km N of Morgan Hill, California · 15022 days ago · 5 km deep · 31 km away
  55. 2.421 km NE of Soledad, California · 15019 days ago · 4 km deep · 66 km away
  56. 2.321 km NE of Soledad, California · 15019 days ago · 5 km deep · 66 km away
  57. 2.923 km SW of Pescadero, California · 15019 days ago · 0 km deep · 81 km away
  58. 1.59 km E of San Martin, California · 15019 days ago · 8 km deep · 16 km away
  59. 1.68 km SW of Tres Pinos, California · 15017 days ago · 6 km deep · 36 km away
  60. 2.09 km SW of Tres Pinos, California · 15017 days ago · 6 km deep · 36 km away

The first 60 of 141.

Before

  1. 1.917 km SSE of Tres Pinos, California · 15044 days ago · 10 km deep · 51 km away
  2. 2.015 km SSE of Tres Pinos, California · 15045 days ago · 7 km deep · 48 km away
  3. 1.615 km ENE of Morgan Hill, California · 15045 days ago · 1 km deep · 26 km away
  4. 2.522 km ENE of Soledad, California · 15046 days ago · 2 km deep · 68 km away
  5. 1.536 km WSW of Three Rocks, California · 15046 days ago · 11 km deep · 99 km away
  6. 2.822 km NNE of Soledad, California · 15048 days ago · 5 km deep · 57 km away
  7. 2.922 km NNE of Soledad, California · 15048 days ago · 5 km deep · 57 km away
  8. 2.4Central California · 15048 days ago · 5 km deep · 57 km away
  9. 3.022 km NNE of Soledad, California · 15048 days ago · 6 km deep · 58 km away
  10. 1.515 km E of Seven Trees, California · 15049 days ago · 6 km deep · 34 km away
  11. 2.115 km N of Morgan Hill, California · 15049 days ago · 4 km deep · 32 km away
  12. 1.625 km WNW of Diablo Grande, California · 15053 days ago · 4 km deep · 57 km away
  13. 1.713 km N of Morgan Hill, California · 15053 days ago · 3 km deep · 29 km away
  14. 1.915 km E of Seven Trees, California · 15053 days ago · 5 km deep · 33 km away
  15. 1.621 km NE of Soledad, California · 15054 days ago · 3 km deep · 62 km away
  16. 1.913 km S of Tres Pinos, California · 15054 days ago · 5 km deep · 46 km away
  17. 1.916 km SSE of Tres Pinos, California · 15056 days ago · 3 km deep · 50 km away
  18. 1.820 km SSE of Tres Pinos, California · 15056 days ago · 5 km deep · 54 km away
  19. 2.622 km NNE of Soledad, California · 15056 days ago · 2 km deep · 56 km away
  20. 3.514 km N of Morgan Hill, California · 15056 days ago · 7 km deep · 30 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc51798. Read Sun, Oct 4, 2026, 5:53 AM UTC.