California earthquakes

M1.5 earthquake 6 km W of Cobb, California

A magnitude 1.5 earthquake struck 6 km W of Cobb, California on Sun, Feb 2, 1986, 4:24 PM PST (00:24 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M1.7 5 km SW of Cobb, California. This one was a foreshock.

Cobb 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
1.5 (md), micro
Local time
UTC
1986-02-03 00:24:07 UTC
Depth
3.2 km (2.0 mi), shallow
Epicenter
38.818° N, 122.796° 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, 0.6 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
71°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 176 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.75 km SW of Cobb, California · 14838 days ago · 0 km deep · 5 km away
  2. 1.816 km ENE of Clearlake, California · 14838 days ago · 10 km deep · 37 km away
  3. 1.58 km W of Cobb, California · 14838 days ago · 1 km deep · 2 km away
  4. 2.37 km WSW of Cobb, California · 14837 days ago · 1 km deep · 2 km away
  5. 2.39 km W of Cobb, California · 14836 days ago · 1 km deep · 3 km away
  6. 1.75 km SW of Cobb, California · 14836 days ago · 0 km deep · 4 km away
  7. 2.37 km W of Cobb, California · 14836 days ago · 4 km deep · 1 km away
  8. 1.75 km SW of Cobb, California · 14835 days ago · 0 km deep · 3 km away
  9. 2.06 km W of Cobb, California · 14835 days ago · 3 km deep · 1 km away
  10. 1.67 km W of Cobb, California · 14835 days ago · 3 km deep · 1 km away
  11. 1.69 km E of Lower Lake, California · 14835 days ago · 4 km deep · 28 km away
  12. 1.86 km WSW of Cobb, California · 14835 days ago · 3 km deep · 2 km away
  13. 2.47 km E of Lower Lake, California · 14835 days ago · 4 km deep · 25 km away
  14. 2.66 km W of Cobb, California · 14834 days ago · 3 km deep · 1 km away
  15. 1.86 km W of Cobb, California · 14834 days ago · 3 km deep · 1 km away
  16. 2.27 km ESE of Lower Lake, California · 14834 days ago · 4 km deep · 24 km away
  17. 2.97 km E of Lower Lake, California · 14834 days ago · -1 km deep · 25 km away
  18. 1.66 km WNW of Cobb, California · 14833 days ago · 1 km deep · 2 km away
  19. 1.57 km W of Cobb, California · 14833 days ago · 1 km deep · 2 km away
  20. 1.55 km SW of Cobb, California · 14833 days ago · 1 km deep · 4 km away
  21. 2.18 km W of Cobb, California · 14832 days ago · 1 km deep · 2 km away
  22. 2.06 km W of Cobb, California · 14832 days ago · 1 km deep · 2 km away
  23. 2.417 km WSW of Elk Creek, California · 14832 days ago · 3 km deep · 79 km away
  24. 1.67 km WSW of Cobb, California · 14831 days ago · 1 km deep · 2 km away
  25. 1.64 km S of Cobb, California · 14831 days ago · 0 km deep · 7 km away
  26. 1.64 km W of Cobb, California · 14831 days ago · 0 km deep · 2 km away
  27. 2.78 km WSW of Cobb, California · 14830 days ago · 2 km deep · 2 km away
  28. 1.66 km W of Cobb, California · 14830 days ago · 3 km deep · 0 km away
  29. 2.64 km SW of Cobb, California · 14829 days ago · 3 km deep · 3 km away
  30. 2.34 km WSW of Cobb, California · 14828 days ago · 4 km deep · 2 km away
  31. 2.99 km W of Cobb, California · 14828 days ago · 2 km deep · 3 km away
  32. 3.24 km WSW of Cobb, California · 14828 days ago · 3 km deep · 2 km away
  33. 3.57 km NW of Brooktrails, California · 14826 days ago · -1 km deep · 93 km away
  34. 3.37 km W of Cobb, California · 14826 days ago · 4 km deep · 1 km away
  35. 2.65 km WNW of Cobb, California · 14826 days ago · 2 km deep · 3 km away
  36. 2.95 km WNW of Cobb, California · 14826 days ago · 2 km deep · 3 km away
  37. 2.04 km SSW of Cobb, California · 14824 days ago · 1 km deep · 5 km away
  38. 2.46 km W of Cobb, California · 14823 days ago · 0 km deep · 1 km away
  39. 2.16 km W of Cobb, California · 14823 days ago · 1 km deep · 1 km away
  40. 1.69 km W of Cobb, California · 14823 days ago · 1 km deep · 4 km away
  41. 2.09 km WSW of Cobb, California · 14823 days ago · 1 km deep · 4 km away
  42. 2.37 km WSW of Cobb, California · 14822 days ago · 0 km deep · 2 km away
  43. 1.68 km WSW of Cobb, California · 14822 days ago · 1 km deep · 2 km away
  44. 1.95 km WSW of Cobb, California · 14822 days ago · 0 km deep · 2 km away
  45. 1.85 km WSW of Cobb, California · 14822 days ago · -1 km deep · 2 km away
  46. 2.56 km ENE of Williams, California · 14821 days ago · 4 km deep · 74 km away
  47. 1.96 km W of Cobb, California · 14821 days ago · -1 km deep · 1 km away
  48. 1.5Northern California · 14821 days ago · 1 km deep · 1 km away
  49. 1.95 km WSW of Cobb, California · 14820 days ago · 1 km deep · 2 km away
  50. 2.35 km WSW of Cobb, California · 14820 days ago · 1 km deep · 2 km away
  51. 2.37 km WSW of Cobb, California · 14820 days ago · 2 km deep · 2 km away
  52. 1.821 km NE of Potter Valley, California · 14819 days ago · 6 km deep · 72 km away
  53. 1.85 km S of Moskowite Corner, California · 14819 days ago · 2 km deep · 70 km away
  54. 1.65 km WSW of Cobb, California · 14819 days ago · 4 km deep · 2 km away
  55. 1.87 km W of Cobb, California · 14818 days ago · 1 km deep · 1 km away
  56. 1.57 km WSW of Cobb, California · 14818 days ago · 0 km deep · 2 km away
  57. 2.27 km WSW of Cobb, California · 14817 days ago · 0 km deep · 2 km away
  58. 1.5Northern California · 14816 days ago · 1 km deep · 3 km away
  59. 2.22 km ENE of Calpella, California · 14816 days ago · 6 km deep · 57 km away
  60. 1.812 km ENE of Lower Lake, California · 14815 days ago · 11 km deep · 31 km away

The first 60 of 176.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1135679. Read Tue, Sep 22, 2026, 9:43 PM UTC.