California earthquakes

M1.5 earthquake 9 km NNE of Milpitas, California

A magnitude 1.5 earthquake struck 9 km NNE of Milpitas, California on Tue, Nov 4, 1986, 6:21 AM PST (14:21 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M1.7 Central California. This one was a foreshock.

Milpitas forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.5 (md), micro
Local time
UTC
1986-11-04 14:21:57 UTC
Depth
8.2 km (5.1 mi), shallow
Epicenter
37.504° N, 121.849° 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, 0.5 km in depth
Magnitude uncertainty
±0.29
Depth from
From location
Station coverage gap
61°
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: 152 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.7Central California · 14559 days ago · 10 km deep · 59 km away
  2. 1.8Northern California · 14558 days ago · 0 km deep · 65 km away
  3. 1.516 km NE of East Foothills, California · 14558 days ago · 3 km deep · 15 km away
  4. 1.712 km SSE of Livermore, California · 14558 days ago · 4 km deep · 16 km away
  5. 1.69 km NE of Gilroy, California · 14557 days ago · 8 km deep · 59 km away
  6. 1.66 km NE of Ridgemark, California · 14556 days ago · 5 km deep · 87 km away
  7. 1.87 km E of East Foothills, California · 14556 days ago · 9 km deep · 17 km away
  8. 2.213 km NE of East Foothills, California · 14555 days ago · 7 km deep · 11 km away
  9. 2.75 km NNE of Tres Pinos, California · 14555 days ago · 7 km deep · 89 km away
  10. 1.511 km SSE of Livermore, California · 14553 days ago · 4 km deep · 16 km away
  11. 1.612 km SSE of Livermore, California · 14553 days ago · 4 km deep · 15 km away
  12. 2.22 km NE of Green Valley, California · 14553 days ago · 12 km deep · 89 km away
  13. 2.818 km NE of East Foothills, California · 14553 days ago · 6 km deep · 14 km away
  14. 1.716 km SSE of Livermore, California · 14553 days ago · 2 km deep · 17 km away
  15. 2.115 km SSE of Livermore, California · 14553 days ago · 2 km deep · 17 km away
  16. 1.918 km NE of East Foothills, California · 14552 days ago · 5 km deep · 14 km away
  17. 1.53 km ENE of Tres Pinos, California · 14550 days ago · 8 km deep · 92 km away
  18. 2.33 km SSE of San Juan Bautista, California · 14549 days ago · 4 km deep · 82 km away
  19. 2.024 km SW of Davenport, California · 14549 days ago · 16 km deep · 87 km away
  20. 1.812 km ENE of East Foothills, California · 14547 days ago · 8 km deep · 16 km away
  21. 1.618 km NE of East Foothills, California · 14546 days ago · 6 km deep · 15 km away
  22. 1.97 km SSW of Ridgemark, California · 14546 days ago · 1 km deep · 92 km away
  23. 1.55 km ENE of Hollister, California · 14546 days ago · 6 km deep · 83 km away
  24. 1.910 km NW of Broadmoor, California · 14546 days ago · 9 km deep · 69 km away
  25. 1.616 km SSE of Livermore, California · 14546 days ago · 3 km deep · 17 km away
  26. 2.012 km NE of East Foothills, California · 14544 days ago · 7 km deep · 11 km away
  27. 1.95 km ESE of Aromas, California · 14544 days ago · 6 km deep · 75 km away
  28. 1.74 km SSE of Byron, California · 14543 days ago · 4 km deep · 42 km away
  29. 1.61 km SW of San Ramon, California · 14543 days ago · 8 km deep · 32 km away
  30. 2.516 km N of Morgan Hill, California · 14543 days ago · 6 km deep · 30 km away
  31. 1.516 km SSE of Livermore, California · 14542 days ago · 2 km deep · 17 km away
  32. 1.52 km SSW of La Honda, California · 14542 days ago · 6 km deep · 45 km away
  33. 2.25 km ENE of Hollister, California · 14542 days ago · 6 km deep · 83 km away
  34. 1.84 km NE of Tres Pinos, California · 14540 days ago · 8 km deep · 91 km away
  35. 1.73 km NNW of Hollister, California · 14540 days ago · 7 km deep · 79 km away
  36. 2.45 km NNE of Tres Pinos, California · 14540 days ago · 4 km deep · 88 km away
  37. 2.112 km ESE of East Foothills, California · 14539 days ago · 7 km deep · 24 km away
  38. 2.214 km N of Morgan Hill, California · 14539 days ago · 5 km deep · 32 km away
  39. 2.415 km N of Morgan Hill, California · 14538 days ago · 6 km deep · 32 km away
  40. 2.015 km N of Morgan Hill, California · 14537 days ago · 7 km deep · 32 km away
  41. 1.87 km SW of Ridgemark, California · 14537 days ago · 1 km deep · 91 km away
  42. 1.75 km NNE of Tres Pinos, California · 14537 days ago · 6 km deep · 89 km away
  43. 1.513 km N of Morgan Hill, California · 14536 days ago · 3 km deep · 34 km away
  44. 2.2Northern California · 14536 days ago · 7 km deep · 16 km away
  45. 2.115 km N of Morgan Hill, California · 14536 days ago · 6 km deep · 32 km away
  46. 1.88 km ENE of Tres Pinos, California · 14536 days ago · 8 km deep · 95 km away
  47. 1.79 km NE of San Martin, California · 14535 days ago · 8 km deep · 48 km away
  48. 1.66 km SSW of Tres Pinos, California · 14534 days ago · 4 km deep · 96 km away
  49. 2.02 km SSW of Diablo, California · 14534 days ago · 8 km deep · 36 km away
  50. 2.07 km NNE of Tres Pinos, California · 14534 days ago · 8 km deep · 87 km away
  51. 2.26 km N of Green Valley, California · 14533 days ago · 10 km deep · 94 km away
  52. 2.08 km ENE of Hollister, California · 14533 days ago · 6 km deep · 83 km away
  53. 1.83 km N of East Foothills, California · 14533 days ago · 0 km deep · 11 km away
  54. 1.87 km N of Green Valley, California · 14532 days ago · 10 km deep · 95 km away
  55. 2.613 km NE of East Foothills, California · 14532 days ago · 9 km deep · 12 km away
  56. 1.81 km ESE of Davenport, California · 14532 days ago · 4 km deep · 62 km away
  57. 1.716 km SSE of Livermore, California · 14531 days ago · 2 km deep · 17 km away
  58. 1.69 km NNE of Hollister, California · 14530 days ago · 7 km deep · 78 km away
  59. 3.016 km SSE of Livermore, California · 14530 days ago · 2 km deep · 17 km away
  60. 1.726 km W of Volta, California · 14530 days ago · 4 km deep · 73 km away

The first 60 of 152.

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc87237. Read Tue, Sep 22, 2026, 4:01 PM UTC.