California earthquakes

M1.6 earthquake 8 km NE of Gilroy, California

A magnitude 1.6 earthquake struck 8 km NE of Gilroy, California on Sun, Jul 19, 1981, 9:00 PM PDT (04:00 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.2 2 km ESE of Tres Pinos, 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
1981-07-20 04:00:40 UTC
Depth
7.5 km (4.7 mi), shallow
Epicenter
37.064° N, 121.502° 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, 0.6 km in depth
Magnitude uncertainty
±0.44
Depth from
From location
Station coverage gap
56°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 174 in the 60 days after this one and 83 in the 30 days before it.

After

  1. 2.27 km SSE of San Juan Bautista, California · 16507 days ago · 8 km deep · 31 km away
  2. 1.69 km NE of San Martin, California · 16507 days ago · 9 km deep · 9 km away
  3. 1.921 km NE of East Foothills, California · 16507 days ago · 3 km deep · 51 km away
  4. 1.89 km NNW of Hollister, California · 16505 days ago · 4 km deep · 16 km away
  5. 1.64 km NNE of East Foothills, California · 16504 days ago · 2 km deep · 48 km away
  6. 1.824 km NE of Greenfield, California · 16504 days ago · 7 km deep · 76 km away
  7. 1.615 km E of Seven Trees, California · 16504 days ago · 6 km deep · 28 km away
  8. 1.54 km ENE of La Honda, California · 16503 days ago · 10 km deep · 71 km away
  9. 1.99 km NE of Gilroy, California · 16501 days ago · 9 km deep · 1 km away
  10. 3.031 km ENE of Soledad, California · 16501 days ago · 9 km deep · 68 km away
  11. 1.730 km ENE of Soledad, California · 16501 days ago · 7 km deep · 69 km away
  12. 1.58 km SSW of Ridgemark, California · 16501 days ago · 6 km deep · 37 km away
  13. 2.04 km SE of Alum Rock, California · 16499 days ago · 3 km deep · 40 km away
  14. 1.63 km WNW of Dublin, California · 16499 days ago · 6 km deep · 84 km away
  15. 1.716 km S of Davenport, California · 16499 days ago · 4 km deep · 65 km away
  16. 1.77 km ESE of East Foothills, California · 16499 days ago · 1 km deep · 39 km away
  17. 1.615 km N of Morgan Hill, California · 16499 days ago · 2 km deep · 27 km away
  18. 1.811 km S of Tres Pinos, California · 16498 days ago · 4 km deep · 45 km away
  19. 2.12 km ESE of Aromas, California · 16498 days ago · 7 km deep · 23 km away
  20. 1.63 km ESE of Aromas, California · 16498 days ago · 7 km deep · 23 km away
  21. 2.121 km NE of Soledad, California · 16498 days ago · 6 km deep · 62 km away
  22. 1.58 km NE of San Martin, California · 16498 days ago · 8 km deep · 8 km away
  23. 1.530 km ENE of Soledad, California · 16498 days ago · 8 km deep · 69 km away
  24. 2.210 km SW of Brentwood, California · 16498 days ago · 16 km deep · 91 km away
  25. 2.32 km SW of Blackhawk, California · 16497 days ago · 15 km deep · 91 km away
  26. 1.93 km SW of Blackhawk, California · 16497 days ago · 14 km deep · 91 km away
  27. 1.713 km SSE of Tres Pinos, California · 16497 days ago · 5 km deep · 48 km away
  28. 2.014 km SSE of Tres Pinos, California · 16496 days ago · 4 km deep · 49 km away
  29. 1.811 km SW of Brentwood, California · 16496 days ago · 6 km deep · 90 km away
  30. 1.89 km NNE of East Foothills, California · 16496 days ago · 6 km deep · 51 km away
  31. 2.025 km NE of Soledad, California · 16496 days ago · 7 km deep · 60 km away
  32. 2.438 km W of Three Rocks, California · 16496 days ago · 6 km deep · 84 km away
  33. 2.938 km W of Three Rocks, California · 16496 days ago · 7 km deep · 84 km away
  34. 1.738 km W of Three Rocks, California · 16496 days ago · 4 km deep · 84 km away
  35. 2.110 km SW of Brentwood, California · 16495 days ago · 16 km deep · 92 km away
  36. 2.213 km NE of East Foothills, California · 16495 days ago · 8 km deep · 50 km away
  37. 1.63 km WSW of Blackhawk, California · 16495 days ago · 16 km deep · 91 km away
  38. 1.938 km W of Three Rocks, California · 16495 days ago · 8 km deep · 84 km away
  39. 1.738 km W of Three Rocks, California · 16495 days ago · 8 km deep · 84 km away
  40. 1.838 km W of Three Rocks, California · 16495 days ago · 7 km deep · 84 km away
  41. 1.638 km W of Three Rocks, California · 16495 days ago · 7 km deep · 84 km away
  42. 1.638 km W of Three Rocks, California · 16495 days ago · 6 km deep · 84 km away
  43. 1.637 km W of Three Rocks, California · 16495 days ago · 5 km deep · 84 km away
  44. 2.338 km W of Three Rocks, California · 16495 days ago · 8 km deep · 84 km away
  45. 2.516 km ENE of San Martin, California · 16494 days ago · 7 km deep · 12 km away
  46. 2.038 km W of Three Rocks, California · 16493 days ago · 6 km deep · 84 km away
  47. 2.69 km NE of Gilroy, California · 16492 days ago · 9 km deep · 1 km away
  48. 2.324 km NE of Greenfield, California · 16492 days ago · 3 km deep · 77 km away
  49. 1.738 km W of Three Rocks, California · 16492 days ago · 5 km deep · 84 km away
  50. 1.638 km W of Three Rocks, California · 16491 days ago · 5 km deep · 84 km away
  51. 2.78 km SSW of Tres Pinos, California · 16491 days ago · 2 km deep · 39 km away
  52. 3.18 km SSW of Tres Pinos, California · 16491 days ago · 2 km deep · 39 km away
  53. 2.737 km W of Three Rocks, California · 16491 days ago · 7 km deep · 84 km away
  54. 2.038 km W of Three Rocks, California · 16491 days ago · 5 km deep · 84 km away
  55. 1.638 km W of Three Rocks, California · 16490 days ago · 5 km deep · 84 km away
  56. 1.838 km W of Three Rocks, California · 16490 days ago · 4 km deep · 84 km away
  57. 1.838 km W of Three Rocks, California · 16490 days ago · 7 km deep · 84 km away
  58. 2.338 km W of Three Rocks, California · 16490 days ago · 4 km deep · 84 km away
  59. 1.821 km NE of Soledad, California · 16490 days ago · 6 km deep · 60 km away
  60. 1.738 km W of Three Rocks, California · 16489 days ago · 5 km deep · 84 km away

The first 60 of 174.

Before

  1. 1.723 km NE of Greenfield, California · 16507 days ago · 5 km deep · 78 km away
  2. 1.619 km SSE of Livermore, California · 16508 days ago · 2 km deep · 54 km away
  3. 2.023 km NNE of San Lucas, California · 16508 days ago · 7 km deep · 100 km away
  4. 2.52 km S of San Juan Bautista, California · 16509 days ago · 4 km deep · 27 km away
  5. 3.02 km SSW of San Juan Bautista, California · 16509 days ago · 5 km deep · 27 km away
  6. 2.1Central California · 16510 days ago · 6 km deep · 56 km away
  7. 2.111 km SW of Brentwood, California · 16511 days ago · 15 km deep · 91 km away
  8. 1.84 km N of Hollister, California · 16511 days ago · 8 km deep · 21 km away
  9. 1.69 km NE of San Martin, California · 16511 days ago · 7 km deep · 9 km away
  10. 1.711 km ESE of East Foothills, California · 16512 days ago · 7 km deep · 35 km away
  11. 2.120 km SSE of Tres Pinos, California · 16512 days ago · 6 km deep · 55 km away
  12. 3.020 km SSE of Tres Pinos, California · 16512 days ago · 6 km deep · 55 km away
  13. 2.314 km E of Seven Trees, California · 16512 days ago · 3 km deep · 30 km away
  14. 2.524 km NE of Soledad, California · 16513 days ago · 10 km deep · 66 km away
  15. 1.97 km NE of San Juan Bautista, California · 16513 days ago · 8 km deep · 19 km away
  16. 2.116 km NE of East Foothills, California · 16513 days ago · 6 km deep · 50 km away
  17. 1.67 km ESE of Prunedale, California · 16514 days ago · 8 km deep · 34 km away
  18. 2.76 km ESE of Prunedale, California · 16514 days ago · 9 km deep · 35 km away
  19. 2.65 km S of Gilroy, California · 16514 days ago · 4 km deep · 14 km away
  20. 1.72 km NE of Union City, California · 16515 days ago · 6 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1065747. Read Mon, Sep 28, 2026, 10:17 PM UTC.