California earthquakes

M1.6 earthquake 5 km S of Gilroy, California

A magnitude 1.6 earthquake struck 5 km S of Gilroy, California on Tue, Feb 23, 1982, 3:13 AM PST (11:13 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.4 16 km SSE 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
1982-02-23 11:13:00 UTC
Depth
6.4 km (4.0 mi), shallow
Epicenter
36.960° N, 121.575° 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 0.3 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.22
Depth from
From location
Station coverage gap
52°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 152 in the 60 days after this one and 91 in the 30 days before it.

After

  1. 1.515 km N of Morgan Hill, California · 16290 days ago · 5 km deep · 35 km away
  2. 2.025 km NE of Greenfield, California · 16290 days ago · 9 km deep · 76 km away
  3. 1.521 km NE of Soledad, California · 16290 days ago · 2 km deep · 55 km away
  4. 2.231 km ENE of Soledad, California · 16289 days ago · 6 km deep · 68 km away
  5. 2.315 km E of Seven Trees, California · 16288 days ago · 5 km deep · 38 km away
  6. 1.89 km NNE of Morgan Hill, California · 16287 days ago · 4 km deep · 27 km away
  7. 2.12 km S of San Juan Bautista, California · 16287 days ago · 5 km deep · 15 km away
  8. 1.95 km SW of Gilroy, California · 16286 days ago · 4 km deep · 3 km away
  9. 2.05 km SW of Gilroy, California · 16286 days ago · 4 km deep · 3 km away
  10. 1.626 km ENE of Greenfield, California · 16285 days ago · 1 km deep · 77 km away
  11. 1.821 km NNE of Soledad, California · 16285 days ago · 8 km deep · 52 km away
  12. 2.38 km NE of Hollister, California · 16284 days ago · 2 km deep · 23 km away
  13. 1.88 km NE of Hollister, California · 16284 days ago · 1 km deep · 23 km away
  14. 1.98 km ENE of Morgan Hill, California · 16283 days ago · 2 km deep · 22 km away
  15. 1.924 km NE of Greenfield, California · 16283 days ago · 5 km deep · 71 km away
  16. 1.62 km W of San Juan Bautista, California · 16282 days ago · 6 km deep · 13 km away
  17. 3.119 km SSE of Tres Pinos, California · 16281 days ago · 7 km deep · 47 km away
  18. 1.719 km SE of Tres Pinos, California · 16281 days ago · 6 km deep · 49 km away
  19. 1.85 km SW of Gilroy, California · 16280 days ago · 7 km deep · 4 km away
  20. 2.29 km SW of Ridgemark, California · 16280 days ago · 6 km deep · 26 km away
  21. 3.08 km ENE of Gilroy, California · 16279 days ago · 8 km deep · 12 km away
  22. 1.77 km SSE of Livermore, California · 16279 days ago · 17 km deep · 75 km away
  23. 2.26 km W of Merced, California · 16279 days ago · 5 km deep · 98 km away
  24. 1.64 km NNE of Fremont, California · 16279 days ago · 8 km deep · 78 km away
  25. 2.2Central California · 16278 days ago · 5 km deep · 46 km away
  26. 2.55 km SW of Gilroy, California · 16278 days ago · 4 km deep · 3 km away
  27. 2.712 km NNE of Tres Pinos, California · 16278 days ago · 6 km deep · 29 km away
  28. 2.84 km SE of Aromas, California · 16278 days ago · 6 km deep · 11 km away
  29. 1.66 km N of San Juan Bautista, California · 16277 days ago · 5 km deep · 6 km away
  30. 2.12 km SSW of Sunol, California · 16277 days ago · 11 km deep · 74 km away
  31. 1.623 km ENE of King City, California · 16276 days ago · 3 km deep · 94 km away
  32. 1.82 km WNW of Fremont, California · 16275 days ago · 7 km deep · 77 km away
  33. 1.614 km S of Tres Pinos, California · 16275 days ago · 8 km deep · 41 km away
  34. 2.23 km WSW of Cupertino, California · 16275 days ago · 4 km deep · 59 km away
  35. 1.86 km NNW of Hollister, California · 16274 days ago · 4 km deep · 14 km away
  36. 2.98 km ENE of San Martin, California · 16273 days ago · 8 km deep · 18 km away
  37. 2.03 km WSW of San Juan Bautista, California · 16273 days ago · 7 km deep · 14 km away
  38. 1.79 km NE of Big Sur, California · 16272 days ago · 4 km deep · 72 km away
  39. 2.08 km ESE of East Foothills, California · 16271 days ago · 8 km deep · 46 km away
  40. 2.58 km ESE of East Foothills, California · 16271 days ago · 8 km deep · 46 km away
  41. 1.928 km ENE of Soledad, California · 16271 days ago · 7 km deep · 65 km away
  42. 1.57 km NE of Milpitas, California · 16270 days ago · 39 km deep · 62 km away
  43. 2.124 km ENE of Soledad, California · 16270 days ago · 4 km deep · 68 km away
  44. 1.58 km NE of San Martin, California · 16270 days ago · 7 km deep · 20 km away
  45. 1.725 km ENE of Greenfield, California · 16269 days ago · 1 km deep · 78 km away
  46. 1.725 km ENE of Greenfield, California · 16269 days ago · 1 km deep · 77 km away
  47. 1.814 km SSE of Big Sur, California · 16269 days ago · 18 km deep · 91 km away
  48. 1.925 km ENE of Greenfield, California · 16269 days ago · 1 km deep · 78 km away
  49. 1.98 km ENE of Milpitas, California · 16268 days ago · 6 km deep · 61 km away
  50. 2.114 km E of Seven Trees, California · 16268 days ago · 2 km deep · 38 km away
  51. 1.99 km NE of Gilroy, California · 16268 days ago · 9 km deep · 14 km away
  52. 2.68 km ENE of Morgan Hill, California · 16268 days ago · 3 km deep · 22 km away
  53. 1.914 km SSE of Tres Pinos, California · 16267 days ago · 4 km deep · 42 km away
  54. 1.74 km NE of Interlaken, California · 16266 days ago · 6 km deep · 11 km away
  55. 1.85 km SW of Gilroy, California · 16266 days ago · 8 km deep · 4 km away
  56. 1.611 km N of Morgan Hill, California · 16265 days ago · 7 km deep · 31 km away
  57. 2.34 km NE of Hollister, California · 16265 days ago · 7 km deep · 21 km away
  58. 2.020 km NNE of Morgan Hill, California · 16264 days ago · 7 km deep · 39 km away
  59. 1.85 km SSE of San Juan Bautista, California · 16264 days ago · 6 km deep · 18 km away
  60. 1.70 km ENE of San Ramon, California · 16263 days ago · 1 km deep · 98 km away

The first 60 of 152.

Before

  1. 1.58 km E of San Martin, California · 16291 days ago · 6 km deep · 16 km away
  2. 1.729 km SE of Big Sur, California · 16291 days ago · 12 km deep · 98 km away
  3. 2.07 km ESE of East Foothills, California · 16291 days ago · 5 km deep · 47 km away
  4. 1.79 km NE of San Juan Bautista, California · 16291 days ago · 7 km deep · 10 km away
  5. 2.036 km W of Three Rocks, California · 16291 days ago · 9 km deep · 83 km away
  6. 1.721 km NE of Soledad, California · 16292 days ago · 7 km deep · 58 km away
  7. 1.721 km NE of Soledad, California · 16292 days ago · 7 km deep · 58 km away
  8. 1.625 km ENE of Greenfield, California · 16292 days ago · 9 km deep · 79 km away
  9. 2.224 km ENE of Greenfield, California · 16292 days ago · 6 km deep · 78 km away
  10. 1.710 km E of Big Sur, California · 16292 days ago · 3 km deep · 76 km away
  11. 2.88 km NE of Gilroy, California · 16292 days ago · 7 km deep · 13 km away
  12. 1.526 km SE of Tres Pinos, California · 16293 days ago · 8 km deep · 56 km away
  13. 1.625 km NNE of King City, California · 16293 days ago · 7 km deep · 81 km away
  14. 1.924 km NE of Greenfield, California · 16293 days ago · 6 km deep · 74 km away
  15. 1.510 km WNW of Moss Landing, California · 16293 days ago · 10 km deep · 32 km away
  16. 1.818 km SSE of Tres Pinos, California · 16294 days ago · 11 km deep · 46 km away
  17. 2.218 km SSE of Tres Pinos, California · 16294 days ago · 11 km deep · 46 km away
  18. 2.022 km NE of Soledad, California · 16296 days ago · 6 km deep · 54 km away
  19. 2.49 km NW of Hollister, California · 16296 days ago · 5 km deep · 10 km away
  20. 1.58 km NNE of Milpitas, California · 16296 days ago · 3 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1072384. Read Wed, Sep 30, 2026, 7:55 PM UTC.