California earthquakes

M1.6 earthquake 6 km WSW of Cobb, California

A magnitude 1.6 earthquake struck 6 km WSW of Cobb, California on Fri, Jan 31, 1986, 6:59 AM PST (14:59 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M2.0 9 km SSE of Guinda, 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (md), micro
Local time
UTC
1986-01-31 14:59:57 UTC
Depth
1.1 km (0.7 mi), shallow
Epicenter
38.807° N, 122.795° 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 0.4 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
111°
Stations used
10

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 0 in the 30 days before it.

After

  1. 2.09 km SSE of Guinda, California · 14839 days ago · 4 km deep · 57 km away
  2. 2.214 km S of Guinda, California · 14839 days ago · 11 km deep · 53 km away
  3. 1.916 km N of Potter Valley, California · 14838 days ago · 5 km deep · 77 km away
  4. 1.67 km W of Cobb, California · 14838 days ago · 1 km deep · 3 km away
  5. 1.56 km ESE of Lower Lake, California · 14838 days ago · 2 km deep · 24 km away
  6. 1.712 km ENE of Lower Lake, California · 14838 days ago · 2 km deep · 32 km away
  7. 2.17 km E of Lower Lake, California · 14838 days ago · 2 km deep · 26 km away
  8. 3.07 km E of Lower Lake, California · 14838 days ago · -1 km deep · 26 km away
  9. 1.711 km ENE of Lower Lake, California · 14838 days ago · 2 km deep · 31 km away
  10. 2.79 km NNE of Hidden Valley Lake, California · 14838 days ago · 5 km deep · 26 km away
  11. 3.48 km E of Lower Lake, California · 14838 days ago · 9 km deep · 27 km away
  12. 1.77 km E of Lower Lake, California · 14838 days ago · 2 km deep · 26 km away
  13. 1.75 km SW of Cobb, California · 14838 days ago · 0 km deep · 4 km away
  14. 1.816 km ENE of Clearlake, California · 14838 days ago · 10 km deep · 37 km away
  15. 1.58 km W of Cobb, California · 14838 days ago · 1 km deep · 3 km away
  16. 2.37 km WSW of Cobb, California · 14837 days ago · 1 km deep · 1 km away
  17. 2.39 km W of Cobb, California · 14836 days ago · 1 km deep · 3 km away
  18. 1.75 km SW of Cobb, California · 14836 days ago · 0 km deep · 3 km away
  19. 2.37 km W of Cobb, California · 14836 days ago · 4 km deep · 1 km away
  20. 1.75 km SW of Cobb, California · 14835 days ago · 0 km deep · 2 km away
  21. 2.06 km W of Cobb, California · 14835 days ago · 3 km deep · 2 km away
  22. 1.67 km W of Cobb, California · 14835 days ago · 3 km deep · 2 km away
  23. 1.69 km E of Lower Lake, California · 14835 days ago · 4 km deep · 28 km away
  24. 1.86 km WSW of Cobb, California · 14835 days ago · 3 km deep · 0 km away
  25. 2.47 km E of Lower Lake, California · 14835 days ago · 4 km deep · 26 km away
  26. 2.66 km W of Cobb, California · 14834 days ago · 3 km deep · 2 km away
  27. 1.86 km W of Cobb, California · 14834 days ago · 3 km deep · 2 km away
  28. 2.27 km ESE of Lower Lake, California · 14834 days ago · 4 km deep · 25 km away
  29. 2.97 km E of Lower Lake, California · 14834 days ago · -1 km deep · 26 km away
  30. 1.66 km WNW of Cobb, California · 14833 days ago · 1 km deep · 3 km away
  31. 1.57 km W of Cobb, California · 14833 days ago · 1 km deep · 3 km away
  32. 1.55 km SW of Cobb, California · 14833 days ago · 1 km deep · 3 km away
  33. 2.18 km W of Cobb, California · 14832 days ago · 1 km deep · 3 km away
  34. 2.06 km W of Cobb, California · 14832 days ago · 1 km deep · 3 km away
  35. 2.417 km WSW of Elk Creek, California · 14832 days ago · 3 km deep · 80 km away
  36. 1.67 km WSW of Cobb, California · 14831 days ago · 1 km deep · 1 km away
  37. 1.64 km S of Cobb, California · 14831 days ago · 0 km deep · 7 km away
  38. 1.64 km W of Cobb, California · 14831 days ago · 0 km deep · 2 km away
  39. 2.78 km WSW of Cobb, California · 14830 days ago · 2 km deep · 2 km away
  40. 1.66 km W of Cobb, California · 14830 days ago · 3 km deep · 2 km away
  41. 2.64 km SW of Cobb, California · 14829 days ago · 3 km deep · 3 km away
  42. 2.34 km WSW of Cobb, California · 14828 days ago · 4 km deep · 2 km away
  43. 2.99 km W of Cobb, California · 14828 days ago · 2 km deep · 4 km away
  44. 3.24 km WSW of Cobb, California · 14828 days ago · 3 km deep · 2 km away
  45. 3.57 km NW of Brooktrails, California · 14826 days ago · -1 km deep · 94 km away
  46. 3.37 km W of Cobb, California · 14826 days ago · 4 km deep · 2 km away
  47. 2.65 km WNW of Cobb, California · 14826 days ago · 2 km deep · 4 km away
  48. 2.95 km WNW of Cobb, California · 14826 days ago · 2 km deep · 4 km away
  49. 2.04 km SSW of Cobb, California · 14824 days ago · 1 km deep · 4 km away
  50. 2.46 km W of Cobb, California · 14823 days ago · 0 km deep · 2 km away
  51. 2.16 km W of Cobb, California · 14823 days ago · 1 km deep · 2 km away
  52. 1.69 km W of Cobb, California · 14823 days ago · 1 km deep · 3 km away
  53. 2.09 km WSW of Cobb, California · 14823 days ago · 1 km deep · 3 km away
  54. 2.37 km WSW of Cobb, California · 14822 days ago · 0 km deep · 1 km away
  55. 1.68 km WSW of Cobb, California · 14822 days ago · 1 km deep · 2 km away
  56. 1.95 km WSW of Cobb, California · 14822 days ago · 0 km deep · 1 km away
  57. 1.85 km WSW of Cobb, California · 14822 days ago · -1 km deep · 1 km away
  58. 2.56 km ENE of Williams, California · 14821 days ago · 4 km deep · 74 km away
  59. 1.96 km W of Cobb, California · 14821 days ago · -1 km deep · 1 km away
  60. 1.5Northern California · 14821 days ago · 1 km deep · 3 km away

The first 60 of 178.

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1135583. Read Tue, Sep 22, 2026, 9:36 PM UTC.