California earthquakes

M2.6 earthquake 7 km S of Sunol, California

A magnitude 2.6 earthquake struck 7 km S of Sunol, California on Sun, Feb 16, 1986, 6:43 PM PST (02:43 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M5.7 15 km NE of East Foothills, California. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.6 (md), micro
Local time
UTC
1986-02-17 02:43:46 UTC
Depth
7.4 km (4.6 mi), shallow
Epicenter
37.529° N, 121.895° 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, 0.7 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
40°
Stations used
55

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 182 in the 60 days after this one and 189 in the 30 days before it.

After

  1. 1.85 km NNE of Tres Pinos, California · 14833 days ago · 3 km deep · 94 km away
  2. 1.92 km SSW of Blackhawk, California · 14833 days ago · 13 km deep · 30 km away
  3. 2.66 km NNE of Tres Pinos, California · 14833 days ago · 7 km deep · 92 km away
  4. 1.66 km SSW of Sunol, California · 14833 days ago · 5 km deep · 2 km away
  5. 1.613 km E of Seven Trees, California · 14833 days ago · 5 km deep · 31 km away
  6. 2.012 km N of Livermore, California · 14832 days ago · 11 km deep · 32 km away
  7. 2.23 km ESE of Berkeley, California · 14832 days ago · 7 km deep · 47 km away
  8. 1.716 km N of Morgan Hill, California · 14832 days ago · 6 km deep · 35 km away
  9. 1.95 km NE of Tres Pinos, California · 14832 days ago · 5 km deep · 95 km away
  10. 1.65 km NNE of Tres Pinos, California · 14832 days ago · 3 km deep · 93 km away
  11. 1.60 km NNW of Tres Pinos, California · 14832 days ago · 6 km deep · 96 km away
  12. 3.14 km NE of Tres Pinos, California · 14832 days ago · 9 km deep · 96 km away
  13. 2.14 km NE of Tres Pinos, California · 14832 days ago · 8 km deep · 96 km away
  14. 2.66 km N of Tres Pinos, California · 14831 days ago · 7 km deep · 92 km away
  15. 2.31 km SSW of Blackhawk, California · 14831 days ago · 13 km deep · 31 km away
  16. 3.16 km NNE of Tres Pinos, California · 14831 days ago · 8 km deep · 92 km away
  17. 2.86 km NE of Ridgemark, California · 14831 days ago · 7 km deep · 92 km away
  18. 1.913 km N of Morgan Hill, California · 14831 days ago · 5 km deep · 38 km away
  19. 1.62 km SSW of Blackhawk, California · 14830 days ago · 13 km deep · 31 km away
  20. 2.36 km NE of Ridgemark, California · 14830 days ago · 7 km deep · 92 km away
  21. 2.25 km W of Diablo Grande, California · 14830 days ago · -1 km deep · 51 km away
  22. 2.011 km NE of Morgan Hill, California · 14830 days ago · 5 km deep · 45 km away
  23. 1.95 km ENE of Tres Pinos, California · 14830 days ago · 8 km deep · 98 km away
  24. 2.05 km NNE of Tres Pinos, California · 14830 days ago · 6 km deep · 93 km away
  25. 2.72 km SSW of San Juan Bautista, California · 14830 days ago · 7 km deep · 84 km away
  26. 1.73 km E of Berkeley, California · 14830 days ago · 10 km deep · 48 km away
  27. 1.96 km NE of Ridgemark, California · 14829 days ago · 2 km deep · 90 km away
  28. 1.715 km N of Morgan Hill, California · 14829 days ago · 6 km deep · 35 km away
  29. 2.0Central California · 14829 days ago · 0 km deep · 96 km away
  30. 1.63 km ENE of Tres Pinos, California · 14828 days ago · 9 km deep · 97 km away
  31. 1.86 km NNE of Tres Pinos, California · 14828 days ago · 6 km deep · 93 km away
  32. 2.18 km NE of East Foothills, California · 14828 days ago · 6 km deep · 16 km away
  33. 1.55 km NNE of Tres Pinos, California · 14828 days ago · 6 km deep · 94 km away
  34. 2.18 km ENE of Morgan Hill, California · 14827 days ago · 4 km deep · 49 km away
  35. 1.714 km E of Seven Trees, California · 14826 days ago · 2 km deep · 32 km away
  36. 1.612 km ESE of East Foothills, California · 14826 days ago · 7 km deep · 29 km away
  37. 1.614 km E of Seven Trees, California · 14826 days ago · 1 km deep · 32 km away
  38. 1.78 km NNE of Bay Point, California · 14826 days ago · 5 km deep · 63 km away
  39. 2.114 km E of Seven Trees, California · 14825 days ago · 1 km deep · 33 km away
  40. 1.74 km NE of Tres Pinos, California · 14825 days ago · 6 km deep · 96 km away
  41. 1.83 km ENE of Tres Pinos, California · 14825 days ago · 8 km deep · 97 km away
  42. 1.715 km SSE of Pescadero, California · 14824 days ago · 5 km deep · 60 km away
  43. 2.13 km ESE of Tres Pinos, California · 14824 days ago · 4 km deep · 99 km away
  44. 1.82 km WSW of Corralitos, California · 14823 days ago · 13 km deep · 61 km away
  45. 1.52 km WSW of Corralitos, California · 14823 days ago · 13 km deep · 61 km away
  46. 1.72 km WSW of Corralitos, California · 14822 days ago · 13 km deep · 61 km away
  47. 2.3Central California · 14822 days ago · 6 km deep · 95 km away
  48. 1.76 km SW of Gilroy, California · 14822 days ago · 5 km deep · 66 km away
  49. 2.06 km NE of San Martin, California · 14821 days ago · 3 km deep · 54 km away
  50. 2.58 km SE of La Honda, California · 14821 days ago · 7 km deep · 40 km away
  51. 2.66 km NE of Ridgemark, California · 14821 days ago · 6 km deep · 91 km away
  52. 1.76 km NE of Ridgemark, California · 14821 days ago · 6 km deep · 91 km away
  53. 1.63 km ESE of Tres Pinos, California · 14820 days ago · 8 km deep · 100 km away
  54. 1.63 km ESE of Tres Pinos, California · 14820 days ago · 8 km deep · 99 km away
  55. 1.73 km ESE of Tres Pinos, California · 14820 days ago · 8 km deep · 99 km away
  56. 2.36 km NE of Ridgemark, California · 14820 days ago · 6 km deep · 91 km away
  57. 1.81 km SSE of East Richmond Heights, California · 14820 days ago · 3 km deep · 58 km away
  58. 3.25 km NE of Tres Pinos, California · 14819 days ago · 8 km deep · 94 km away
  59. 1.61 km E of Tres Pinos, California · 14819 days ago · 8 km deep · 97 km away
  60. 1.58 km ENE of Morgan Hill, California · 14818 days ago · 4 km deep · 49 km away

The first 60 of 182.

Before

  1. 3.31 km SSW of Blackhawk, California · 14834 days ago · 15 km deep · 31 km away
  2. 2.16 km NNE of Tres Pinos, California · 14834 days ago · 8 km deep · 92 km away
  3. 1.54 km E of Tres Pinos, California · 14834 days ago · 9 km deep · 99 km away
  4. 1.85 km ENE of Tres Pinos, California · 14835 days ago · 7 km deep · 98 km away
  5. 1.64 km NE of Tres Pinos, California · 14835 days ago · 4 km deep · 96 km away
  6. 2.87 km S of Sunol, California · 14835 days ago · 7 km deep · 0 km away
  7. 2.88 km ENE of San Martin, California · 14835 days ago · 7 km deep · 57 km away
  8. 2.16 km NE of Tres Pinos, California · 14835 days ago · 7 km deep · 95 km away
  9. 1.62 km W of Tres Pinos, California · 14836 days ago · 4 km deep · 95 km away
  10. 1.65 km NE of Tres Pinos, California · 14836 days ago · 6 km deep · 95 km away
  11. 1.618 km ESE of East Foothills, California · 14836 days ago · 2 km deep · 33 km away
  12. 1.94 km NE of Tres Pinos, California · 14837 days ago · 8 km deep · 96 km away
  13. 2.15 km NNE of Tres Pinos, California · 14837 days ago · 7 km deep · 93 km away
  14. 1.61 km SW of Tres Pinos, California · 14837 days ago · 5 km deep · 97 km away
  15. 2.05 km NNE of Tres Pinos, California · 14838 days ago · 6 km deep · 93 km away
  16. 1.611 km SE of La Honda, California · 14838 days ago · 8 km deep · 39 km away
  17. 1.812 km SE of La Honda, California · 14838 days ago · 9 km deep · 39 km away
  18. 1.86 km NE of Ridgemark, California · 14838 days ago · 7 km deep · 91 km away
  19. 1.76 km SSE of San Juan Bautista, California · 14838 days ago · 8 km deep · 88 km away
  20. 2.45 km NNE of Tres Pinos, California · 14838 days ago · 8 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc66564. Read Mon, Sep 28, 2026, 5:03 PM UTC.