California earthquakes

M3.7 earthquake 8 km ENE of Gilroy, California

A magnitude 3.7 earthquake struck 8 km ENE of Gilroy, California on Wed, Dec 2, 1987, 3:14 AM PST (11:14 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.8 28 km SSW of South Dos Palos, 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
3.7 (ml), minor
Local time
UTC
1987-12-02 11:14:56 UTC
Depth
7.6 km (4.7 mi), shallow
Epicenter
37.026° N, 121.471° 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, 0.3 km in depth
Depth from
From location
Station coverage gap
59°
Stations used
96

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 164 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 1.610 km E of East Foothills, California · 14173 days ago · 3 km deep · 43 km away
  2. 1.912 km NE of East Foothills, California · 14173 days ago · 7 km deep · 55 km away
  3. 1.915 km N of Morgan Hill, California · 14173 days ago · 6 km deep · 31 km away
  4. 1.66 km E of Tres Pinos, California · 14172 days ago · 7 km deep · 33 km away
  5. 1.711 km SW of Soledad, California · 14170 days ago · 11 km deep · 76 km away
  6. 1.811 km SW of Soledad, California · 14170 days ago · 13 km deep · 76 km away
  7. 1.725 km NE of San Lucas, California · 14170 days ago · 7 km deep · 97 km away
  8. 1.613 km NE of East Foothills, California · 14170 days ago · 8 km deep · 55 km away
  9. 2.213 km N of Morgan Hill, California · 14170 days ago · 3 km deep · 29 km away
  10. 1.9Central California · 14169 days ago · 6 km deep · 10 km away
  11. 1.914 km N of Morgan Hill, California · 14169 days ago · 6 km deep · 30 km away
  12. 1.621 km SSE of Tres Pinos, California · 14169 days ago · 4 km deep · 51 km away
  13. 1.526 km NE of San Lucas, California · 14169 days ago · 9 km deep · 97 km away
  14. 2.812 km N of Morgan Hill, CA · 14167 days ago · 5 km deep · 28 km away
  15. 1.823 km SSW of Los Banos, California · 14166 days ago · 0 km deep · 50 km away
  16. 1.513 km N of Morgan Hill, California · 14164 days ago · 5 km deep · 30 km away
  17. 1.98 km ESE of East Foothills, California · 14163 days ago · 8 km deep · 43 km away
  18. 1.815 km SSE of Livermore, California · 14163 days ago · 6 km deep · 62 km away
  19. 1.74 km WSW of Cupertino, California · 14163 days ago · 8 km deep · 62 km away
  20. 1.718 km SSE of Livermore, California · 14163 days ago · 6 km deep · 59 km away
  21. 1.75 km NNE of Tres Pinos, California · 14161 days ago · 6 km deep · 25 km away
  22. 1.940 km ENE of Soledad, California · 14161 days ago · 5 km deep · 71 km away
  23. 1.812 km N of Morgan Hill, California · 14159 days ago · 6 km deep · 28 km away
  24. 1.66 km NE of Ridgemark, California · 14158 days ago · 5 km deep · 24 km away
  25. 2.411 km SSE of Livermore, California · 14158 days ago · 5 km deep · 66 km away
  26. 2.6Northern California · 14158 days ago · 5 km deep · 66 km away
  27. 3.09 km SW of Tres Pinos, CA · 14158 days ago · 2 km deep · 34 km away
  28. 1.824 km ENE of Soledad, California · 14156 days ago · 2 km deep · 69 km away
  29. 1.5Central California · 14156 days ago · 5 km deep · 22 km away
  30. 1.925 km ENE of Greenfield, California · 14155 days ago · -1 km deep · 76 km away
  31. 2.10 km NNE of Ladera, California · 14154 days ago · 5 km deep · 77 km away
  32. 2.026 km SW of Firebaugh, California · 14154 days ago · 5 km deep · 79 km away
  33. 1.926 km SW of Firebaugh, California · 14154 days ago · 4 km deep · 79 km away
  34. 1.926 km SW of Firebaugh, California · 14154 days ago · 3 km deep · 78 km away
  35. 1.726 km SW of Firebaugh, California · 14154 days ago · 4 km deep · 79 km away
  36. 1.526 km SW of Firebaugh, California · 14154 days ago · 6 km deep · 77 km away
  37. 2.029 km SSW of South Dos Palos, California · 14154 days ago · 0 km deep · 74 km away
  38. 3.828 km SSW of South Dos Palos, California · 14154 days ago · 3 km deep · 73 km away
  39. 2.631 km SSW of South Dos Palos, California · 14154 days ago · 1 km deep · 72 km away
  40. 2.329 km SSW of South Dos Palos, California · 14154 days ago · -1 km deep · 73 km away
  41. 2.032 km SSW of South Dos Palos, California · 14154 days ago · 1 km deep · 72 km away
  42. 2.930 km SSW of South Dos Palos, California · 14154 days ago · 2 km deep · 73 km away
  43. 1.829 km SSW of South Dos Palos, California · 14154 days ago · -1 km deep · 72 km away
  44. 2.0Central California · 14154 days ago · -1 km deep · 70 km away
  45. 1.5Central California · 14154 days ago · -1 km deep · 72 km away
  46. 2.429 km SSW of South Dos Palos, California · 14154 days ago · -1 km deep · 73 km away
  47. 1.8Northern California · 14154 days ago · 7 km deep · 76 km away
  48. 1.625 km ENE of Greenfield, California · 14153 days ago · 6 km deep · 78 km away
  49. 2.229 km SSW of South Dos Palos, California · 14153 days ago · -1 km deep · 73 km away
  50. 1.513 km ENE of East Foothills, California · 14153 days ago · 6 km deep · 49 km away
  51. 1.55 km S of Ridgemark, California · 14152 days ago · 8 km deep · 30 km away
  52. 1.919 km SE of Big Sur, California · 14151 days ago · 14 km deep · 98 km away
  53. 2.12 km SSW of Portola Valley, California · 14151 days ago · 9 km deep · 78 km away
  54. 2.120 km SSE of Tres Pinos, California · 14151 days ago · 5 km deep · 50 km away
  55. 1.713 km ESE of East Foothills, California · 14151 days ago · 8 km deep · 38 km away
  56. 2.126 km SW of Firebaugh, California · 14151 days ago · 0 km deep · 77 km away
  57. 1.69 km NE of Morgan Hill, California · 14150 days ago · 5 km deep · 21 km away
  58. 2.029 km SSW of South Dos Palos, California · 14150 days ago · 3 km deep · 74 km away
  59. 2.031 km SSW of South Dos Palos, California · 14150 days ago · 3 km deep · 73 km away
  60. 2.428 km SSW of South Dos Palos, California · 14149 days ago · -1 km deep · 73 km away

The first 60 of 164.

Before

  1. 1.525 km NE of Greenfield, California · 14174 days ago · 8 km deep · 75 km away
  2. 2.221 km NE of Soledad, California · 14174 days ago · 2 km deep · 57 km away
  3. 1.75 km ENE of Fremont, California · 14174 days ago · 11 km deep · 72 km away
  4. 1.715 km SSE of Tres Pinos, California · 14175 days ago · 4 km deep · 45 km away
  5. 2.716 km SSE of Tres Pinos, California · 14175 days ago · 5 km deep · 45 km away
  6. 2.0Central California · 14175 days ago · 5 km deep · 50 km away
  7. 2.124 km NE of Greenfield, California · 14176 days ago · 0 km deep · 74 km away
  8. 3.318 km SSE of Livermore, California · 14176 days ago · 6 km deep · 60 km away
  9. 1.725 km NE of Greenfield, California · 14176 days ago · 8 km deep · 75 km away
  10. 1.814 km E of Seven Trees, California · 14176 days ago · 2 km deep · 35 km away
  11. 2.916 km SSE of Livermore, California · 14176 days ago · 2 km deep · 62 km away
  12. 2.025 km NNE of King City, California · 14177 days ago · 1 km deep · 82 km away
  13. 1.513 km E of Livermore, California · 14177 days ago · 12 km deep · 73 km away
  14. 2.113 km SSW of Mountain House, California · 14177 days ago · 14 km deep · 74 km away
  15. 1.612 km E of Livermore, California · 14177 days ago · 12 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc109392 (also filed as usp0003avc). Read Tue, Sep 22, 2026, 10:22 AM UTC.