California earthquakes

M1.6 earthquake 5 km SW of Gilroy, California

A magnitude 1.6 earthquake struck 5 km SW of Gilroy, California on Sun, May 3, 1987, 2:36 AM PDT (09:36 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.3 4 km SSE of San Juan Bautista, 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
1.6 (md), micro
Local time
UTC
1987-05-03 09:36:34 UTC
Depth
2.9 km (1.8 mi), shallow
Epicenter
36.968° N, 121.605° 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 0.1 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
32°
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 127 in the 60 days after this one and 28 in the 30 days before it.

After

  1. 2.34 km SSE of San Juan Bautista, California · 14387 days ago · 7 km deep · 20 km away
  2. 1.823 km ENE of Soledad, California · 14387 days ago · 6 km deep · 71 km away
  3. 1.622 km SSE of Tres Pinos, California · 14387 days ago · 4 km deep · 54 km away
  4. 1.623 km ENE of Soledad, California · 14386 days ago · 4 km deep · 70 km away
  5. 1.923 km ENE of Soledad, California · 14386 days ago · 4 km deep · 70 km away
  6. 1.613 km N of Morgan Hill, California · 14384 days ago · 3 km deep · 31 km away
  7. 1.618 km SSE of Tres Pinos, California · 14384 days ago · 6 km deep · 48 km away
  8. 1.7Northern California · 14383 days ago · 7 km deep · 19 km away
  9. 2.29 km SE of San Juan Bautista, California · 14383 days ago · 7 km deep · 25 km away
  10. 1.622 km NNE of Soledad, California · 14383 days ago · 6 km deep · 55 km away
  11. 1.89 km ESE of East Foothills, California · 14382 days ago · 1 km deep · 43 km away
  12. 1.614 km ESE of East Foothills, California · 14382 days ago · 1 km deep · 42 km away
  13. 2.19 km ESE of Gilroy, California · 14382 days ago · 5 km deep · 12 km away
  14. 1.521 km NE of Soledad, California · 14381 days ago · 2 km deep · 57 km away
  15. 2.018 km WSW of Mendota, California · 14380 days ago · 1 km deep · 95 km away
  16. 2.421 km NE of Soledad, California · 14380 days ago · 2 km deep · 62 km away
  17. 2.14 km NE of Tres Pinos, California · 14380 days ago · 7 km deep · 33 km away
  18. 1.613 km N of Morgan Hill, California · 14379 days ago · 3 km deep · 31 km away
  19. 1.819 km SSE of Tres Pinos, California · 14379 days ago · 4 km deep · 51 km away
  20. 2.4Northern California · 14379 days ago · 14 km deep · 60 km away
  21. 1.9Central California · 14379 days ago · 1 km deep · 92 km away
  22. 1.713 km N of Hollister, California · 14378 days ago · 6 km deep · 20 km away
  23. 1.617 km SSE of Tres Pinos, California · 14377 days ago · 4 km deep · 48 km away
  24. 2.87 km NNE of East Foothills, California · 14376 days ago · 7 km deep · 55 km away
  25. 1.812 km NE of East Foothills, California · 14376 days ago · 5 km deep · 57 km away
  26. 2.613 km ENE of East Foothills, California · 14375 days ago · 7 km deep · 54 km away
  27. 1.817 km SSE of Tres Pinos, California · 14375 days ago · 4 km deep · 48 km away
  28. 2.08 km WNW of Davenport, California · 14374 days ago · 12 km deep · 60 km away
  29. 2.315 km SSE of Livermore, California · 14373 days ago · 4 km deep · 66 km away
  30. 2.114 km N of Morgan Hill, California · 14372 days ago · 3 km deep · 33 km away
  31. 1.923 km ENE of Soledad, California · 14372 days ago · 4 km deep · 70 km away
  32. 1.718 km SSE of Tres Pinos, California · 14371 days ago · 10 km deep · 49 km away
  33. 1.64 km E of Union City, California · 14371 days ago · 7 km deep · 77 km away
  34. 1.814 km N of Morgan Hill, California · 14370 days ago · 6 km deep · 33 km away
  35. 1.518 km SSE of Tres Pinos, California · 14370 days ago · 10 km deep · 49 km away
  36. 1.73 km SW of Hillsborough, California · 14370 days ago · 9 km deep · 97 km away
  37. 1.618 km NE of East Foothills, California · 14369 days ago · 4 km deep · 61 km away
  38. 2.018 km NE of East Foothills, California · 14369 days ago · 4 km deep · 61 km away
  39. 1.816 km E of Seven Trees, California · 14368 days ago · 6 km deep · 35 km away
  40. 2.622 km NE of Soledad, California · 14367 days ago · 4 km deep · 56 km away
  41. 1.61 km NE of Pacific Grove, California · 14366 days ago · 4 km deep · 46 km away
  42. 1.724 km NE of King City, California · 14366 days ago · 6 km deep · 89 km away
  43. 1.514 km E of Seven Trees, California · 14365 days ago · 2 km deep · 37 km away
  44. 1.57 km ENE of Interlaken, California · 14365 days ago · 8 km deep · 5 km away
  45. 1.521 km NE of Soledad, California · 14365 days ago · 6 km deep · 59 km away
  46. 3.43 km N of San Leandro, California · 14365 days ago · 5 km deep · 100 km away
  47. 3.0Northern California · 14365 days ago · 5 km deep · 99 km away
  48. 2.43 km NNE of San Leandro, California · 14365 days ago · 5 km deep · 100 km away
  49. 2.23 km N of San Leandro, California · 14365 days ago · 4 km deep · 100 km away
  50. 2.53 km NNE of San Leandro, California · 14364 days ago · 5 km deep · 100 km away
  51. 2.05 km SE of Tres Pinos, California · 14364 days ago · 7 km deep · 37 km away
  52. 1.94 km ESE of San Ramon, California · 14364 days ago · 3 km deep · 93 km away
  53. 2.34 km ESE of San Ramon, California · 14364 days ago · 7 km deep · 93 km away
  54. 1.68 km ESE of East Foothills, California · 14364 days ago · 2 km deep · 44 km away
  55. 2.04 km ESE of San Ramon, California · 14364 days ago · 7 km deep · 93 km away
  56. 1.623 km ENE of Soledad, California · 14363 days ago · 5 km deep · 69 km away
  57. 1.612 km ESE of East Foothills, California · 14363 days ago · 5 km deep · 40 km away
  58. 1.823 km NE of Greenfield, California · 14363 days ago · 5 km deep · 76 km away
  59. 2.62 km NNE of San Leandro, California · 14362 days ago · 4 km deep · 99 km away
  60. 1.814 km N of Morgan Hill, California · 14362 days ago · 5 km deep · 33 km away

The first 60 of 127.

Before

  1. 1.815 km SSE of Livermore, California · 14388 days ago · 4 km deep · 66 km away
  2. 2.05 km NNE of Tres Pinos, California · 14388 days ago · 8 km deep · 32 km away
  3. 1.94 km NE of Tres Pinos, California · 14388 days ago · 8 km deep · 32 km away
  4. 1.618 km SSE of Tres Pinos, California · 14389 days ago · 6 km deep · 49 km away
  5. 1.714 km E of Seven Trees, California · 14389 days ago · 2 km deep · 37 km away
  6. 1.75 km SE of Pleasanton, California · 14389 days ago · 6 km deep · 77 km away
  7. 2.05 km SE of Pleasanton, California · 14389 days ago · 6 km deep · 77 km away
  8. 1.714 km E of Seven Trees, California · 14390 days ago · 3 km deep · 37 km away
  9. 3.15 km NNE of Tres Pinos, California · 14390 days ago · 8 km deep · 32 km away
  10. 1.94 km NE of Tres Pinos, California · 14390 days ago · 7 km deep · 32 km away
  11. 4.15 km NNE of Tres Pinos, California · 14390 days ago · 8 km deep · 32 km away
  12. 1.8Central California · 14391 days ago · 7 km deep · 26 km away
  13. 1.94 km S of San Juan Bautista, California · 14391 days ago · 7 km deep · 19 km away
  14. 2.85 km NNE of Tres Pinos, California · 14391 days ago · 8 km deep · 32 km away
  15. 1.621 km SE of Big Sur, California · 14391 days ago · 10 km deep · 91 km away
  16. 1.616 km SSE of Livermore, California · 14391 days ago · 3 km deep · 66 km away
  17. 2.314 km E of Seven Trees, California · 14392 days ago · 3 km deep · 37 km away
  18. 2.216 km SSE of Livermore, California · 14392 days ago · 8 km deep · 65 km away
  19. 1.63 km NNE of Pacific Grove, California · 14393 days ago · 11 km deep · 45 km away
  20. 2.025 km NE of Soledad, California · 14394 days ago · 9 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc99736. Read Tue, Sep 22, 2026, 9:35 PM UTC.