California earthquakes

M1.6 earthquake 12 km N of Morgan Hill, California

A magnitude 1.6 earthquake struck 12 km N of Morgan Hill, California on Sun, Apr 27, 1986, 5:07 PM PDT (00:07 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.7 18 km SSE of Tres Pinos, California. This one was a foreshock.

Morgan Hill 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, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1986-04-28 00:07:42 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
37.242° N, 121.657° 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
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
96°
Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 178 in the 60 days after this one and 185 in the 30 days before it.

After

  1. 2.318 km SSE of Livermore, California · 14766 days ago · 8 km deep · 32 km away
  2. 1.519 km SSE of Livermore, California · 14766 days ago · 7 km deep · 31 km away
  3. 2.24 km SE of Tres Pinos, California · 14766 days ago · 6 km deep · 63 km away
  4. 1.74 km SE of Tres Pinos, California · 14766 days ago · 6 km deep · 63 km away
  5. 3.515 km NE of East Foothills, California · 14766 days ago · 8 km deep · 25 km away
  6. 3.65 km ENE of Tres Pinos, California · 14766 days ago · 8 km deep · 60 km away
  7. 1.618 km NE of East Foothills, California · 14766 days ago · 8 km deep · 30 km away
  8. 1.81 km ENE of Del Monte Forest, California · 14765 days ago · 5 km deep · 76 km away
  9. 2.129 km E of Tres Pinos, California · 14765 days ago · 1 km deep · 81 km away
  10. 1.75 km ENE of Tres Pinos, California · 14765 days ago · 8 km deep · 60 km away
  11. 1.75 km ENE of Tres Pinos, California · 14765 days ago · 8 km deep · 59 km away
  12. 1.918 km NE of East Foothills, California · 14765 days ago · 6 km deep · 30 km away
  13. 2.45 km ENE of Tres Pinos, California · 14765 days ago · 8 km deep · 60 km away
  14. 1.67 km NE of Ridgemark, CA · 14765 days ago · 4 km deep · 54 km away
  15. 1.510 km S of Tres Pinos, California · 14765 days ago · 4 km deep · 67 km away
  16. 1.82 km SSE of Sunol, California · 14765 days ago · 12 km deep · 41 km away
  17. 1.623 km ENE of Soledad, California · 14764 days ago · 6 km deep · 98 km away
  18. 2.05 km ENE of Tres Pinos, California · 14764 days ago · 8 km deep · 60 km away
  19. 1.921 km NE of Soledad, California · 14764 days ago · 2 km deep · 87 km away
  20. 2.45 km NNE of Tres Pinos, California · 14764 days ago · 7 km deep · 56 km away
  21. 2.318 km NE of East Foothills, California · 14764 days ago · 7 km deep · 31 km away
  22. 1.918 km NE of East Foothills, California · 14764 days ago · 8 km deep · 30 km away
  23. 2.725 km ENE of East Foothills, California · 14764 days ago · 7 km deep · 30 km away
  24. 1.8Northern California · 14763 days ago · 15 km deep · 98 km away
  25. 1.711 km NE of East Foothills, California · 14763 days ago · 3 km deep · 25 km away
  26. 2.46 km NE of Ridgemark, California · 14763 days ago · 4 km deep · 54 km away
  27. 2.26 km NE of Ridgemark, California · 14763 days ago · 4 km deep · 53 km away
  28. 1.73 km N of East Foothills, California · 14762 days ago · 3 km deep · 24 km away
  29. 1.84 km SE of Tres Pinos, California · 14762 days ago · 7 km deep · 63 km away
  30. 1.813 km NE of East Foothills, California · 14762 days ago · 8 km deep · 23 km away
  31. 2.3Central California · 14762 days ago · 7 km deep · 55 km away
  32. 1.812 km N of Morgan Hill, California · 14762 days ago · 6 km deep · 3 km away
  33. 2.618 km NE of East Foothills, California · 14762 days ago · 7 km deep · 30 km away
  34. 1.531 km ENE of Soledad, California · 14762 days ago · 7 km deep · 93 km away
  35. 1.67 km SE of La Honda, California · 14761 days ago · 5 km deep · 50 km away
  36. 1.713 km ENE of Gilroy, California · 14761 days ago · 18 km deep · 31 km away
  37. 1.918 km NE of East Foothills, California · 14761 days ago · 12 km deep · 30 km away
  38. 1.66 km NNE of Tres Pinos, California · 14761 days ago · 3 km deep · 55 km away
  39. 2.16 km NE of Ridgemark, California · 14761 days ago · 5 km deep · 53 km away
  40. 1.75 km E of Tres Pinos, California · 14761 days ago · 8 km deep · 62 km away
  41. 2.618 km NE of East Foothills, California · 14761 days ago · 7 km deep · 30 km away
  42. 2.718 km NE of East Foothills, California · 14761 days ago · 7 km deep · 30 km away
  43. 1.86 km NE of Ridgemark, California · 14761 days ago · 4 km deep · 54 km away
  44. 2.418 km NE of East Foothills, California · 14761 days ago · 7 km deep · 30 km away
  45. 1.724 km NE of Greenfield, California · 14761 days ago · 7 km deep · 100 km away
  46. 2.43 km WNW of Mountain House, California · 14760 days ago · 3 km deep · 63 km away
  47. 2.518 km NE of East Foothills, California · 14760 days ago · 8 km deep · 30 km away
  48. 1.818 km SSE of Livermore, California · 14759 days ago · 8 km deep · 32 km away
  49. 1.518 km SSE of Livermore, California · 14759 days ago · 8 km deep · 32 km away
  50. 2.06 km NE of Ridgemark, California · 14759 days ago · 4 km deep · 52 km away
  51. 1.56 km NE of Ridgemark, California · 14759 days ago · 4 km deep · 52 km away
  52. 1.61 km S of Millbrae, California · 14758 days ago · 10 km deep · 75 km away
  53. 1.521 km NE of Soledad, California · 14758 days ago · 7 km deep · 86 km away
  54. 1.812 km ENE of East Foothills, California · 14758 days ago · 7 km deep · 20 km away
  55. 1.54 km E of Tres Pinos, California · 14758 days ago · 8 km deep · 60 km away
  56. 1.95 km NNE of Tres Pinos, California · 14757 days ago · 4 km deep · 55 km away
  57. 1.922 km NE of Soledad, California · 14757 days ago · 3 km deep · 91 km away
  58. 1.69 km SE of Seven Trees, California · 14757 days ago · 6 km deep · 9 km away
  59. 1.917 km NE of East Foothills, California · 14757 days ago · 6 km deep · 29 km away
  60. 2.05 km NNE of Tres Pinos, California · 14757 days ago · 4 km deep · 55 km away

The first 60 of 178.

Before

  1. 1.515 km NE of Hollister, California · 14767 days ago · 11 km deep · 47 km away
  2. 2.07 km ESE of Lexington Hills, California · 14767 days ago · 17 km deep · 25 km away
  3. 1.86 km ENE of Interlaken, California · 14767 days ago · 11 km deep · 31 km away
  4. 2.716 km SSE of Tres Pinos, California · 14767 days ago · 7 km deep · 75 km away
  5. 1.617 km NE of East Foothills, California · 14767 days ago · 3 km deep · 27 km away
  6. 2.512 km ENE of East Foothills, California · 14768 days ago · 7 km deep · 21 km away
  7. 1.819 km NE of Morgan Hill, California · 14768 days ago · 0 km deep · 15 km away
  8. 2.06 km ENE of Interlaken, California · 14768 days ago · 10 km deep · 29 km away
  9. 1.613 km ENE of East Foothills, California · 14768 days ago · 5 km deep · 19 km away
  10. 2.513 km ENE of East Foothills, California · 14768 days ago · 7 km deep · 23 km away
  11. 1.810 km S of Tres Pinos, California · 14769 days ago · 4 km deep · 67 km away
  12. 1.75 km SE of Tres Pinos, California · 14770 days ago · 7 km deep · 63 km away
  13. 1.918 km NE of East Foothills, California · 14770 days ago · 5 km deep · 30 km away
  14. 2.05 km NE of Tres Pinos, California · 14770 days ago · 9 km deep · 58 km away
  15. 2.417 km NE of East Foothills, California · 14770 days ago · 8 km deep · 29 km away
  16. 1.79 km NNW of Hollister, California · 14770 days ago · 2 km deep · 40 km away
  17. 1.613 km ENE of East Foothills, California · 14770 days ago · 6 km deep · 22 km away
  18. 2.74 km N of East Foothills, California · 14771 days ago · 2 km deep · 24 km away
  19. 2.44 km N of East Foothills, California · 14771 days ago · 3 km deep · 24 km away
  20. 1.713 km NE of East Foothills, California · 14771 days ago · 9 km deep · 23 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc71270. Read Thu, Oct 1, 2026, 10:12 AM UTC.