California earthquakes

M1.8 earthquake 4 km SW of Cobb, California

A magnitude 1.8 earthquake struck 4 km SW of Cobb, California on Mon, Jan 13, 1986, 5:31 PM PST (01:31 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.5 7 km NW of Brooktrails, 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
1.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1986-01-14 01:31:17 UTC
Depth
0.3 km (0.2 mi), shallow
Epicenter
38.794° N, 122.768° 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 0.2 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
82°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 173 in the 60 days after this one and 104 in the 30 days before it.

After

  1. 2.29 km WSW of Cobb, California · 14872 days ago · 1 km deep · 5 km away
  2. 2.26 km W of Cobb, California · 14872 days ago · 3 km deep · 4 km away
  3. 1.55 km SW of Cobb, California · 14871 days ago · 0 km deep · 1 km away
  4. 1.612 km NNE of Brooktrails, California · 14871 days ago · 4 km deep · 98 km away
  5. 1.55 km SW of Cobb, California · 14871 days ago · 2 km deep · 1 km away
  6. 1.76 km WSW of Cobb, California · 14871 days ago · 3 km deep · 3 km away
  7. 2.39 km SW of Hopland, California · 14871 days ago · -1 km deep · 39 km away
  8. 2.99 km SW of Hopland, California · 14871 days ago · -1 km deep · 40 km away
  9. 1.79 km W of Cobb, California · 14870 days ago · 1 km deep · 6 km away
  10. 2.97 km E of Santa Rosa, California · 14870 days ago · 5 km deep · 42 km away
  11. 2.34 km WSW of Cobb, California · 14870 days ago · 1 km deep · 1 km away
  12. 1.810 km NW of Moskowite Corner, California · 14870 days ago · 4 km deep · 53 km away
  13. 1.76 km SW of Cobb, California · 14870 days ago · 0 km deep · 1 km away
  14. 1.97 km E of Santa Rosa, California · 14870 days ago · 5 km deep · 42 km away
  15. 2.98 km WSW of Cobb, California · 14870 days ago · 4 km deep · 4 km away
  16. 3.110 km SSE of Green Valley, California · 14870 days ago · 3 km deep · 90 km away
  17. 1.86 km NW of Philo, California · 14870 days ago · 4 km deep · 72 km away
  18. 2.06 km W of Cobb, California · 14870 days ago · 3 km deep · 4 km away
  19. 1.58 km W of Cobb, California · 14869 days ago · -1 km deep · 6 km away
  20. 2.26 km SW of Cobb, California · 14869 days ago · 1 km deep · 1 km away
  21. 2.75 km SW of Cobb, California · 14869 days ago · 1 km deep · 1 km away
  22. 1.95 km SW of Cobb, California · 14869 days ago · 0 km deep · 1 km away
  23. 1.65 km W of Cobb, California · 14869 days ago · 0 km deep · 4 km away
  24. 1.74 km SW of Cobb, California · 14868 days ago · 0 km deep · 1 km away
  25. 1.620 km N of Potter Valley, California · 14868 days ago · 6 km deep · 85 km away
  26. 1.95 km SW of Cobb, California · 14868 days ago · -1 km deep · 1 km away
  27. 2.17 km W of Cobb, California · 14867 days ago · 0 km deep · 5 km away
  28. 2.99 km W of Anchor Bay, California · 14866 days ago · 4 km deep · 79 km away
  29. 2.06 km WSW of Cobb, California · 14866 days ago · 1 km deep · 3 km away
  30. 2.46 km W of Cobb, California · 14866 days ago · 3 km deep · 4 km away
  31. 2.37 km W of Cobb, California · 14866 days ago · 3 km deep · 4 km away
  32. 1.911 km N of Cloverdale, California · 14865 days ago · 3 km deep · 23 km away
  33. 1.95 km WSW of Cobb, California · 14865 days ago · -1 km deep · 1 km away
  34. 2.54 km N of Guerneville, California · 14865 days ago · 3 km deep · 34 km away
  35. 1.76 km W of Cobb, California · 14865 days ago · 2 km deep · 3 km away
  36. 2.18 km W of Cobb, California · 14865 days ago · 0 km deep · 6 km away
  37. 1.85 km SW of Cobb, California · 14865 days ago · 1 km deep · 1 km away
  38. 2.17 km WSW of Cobb, California · 14864 days ago · 3 km deep · 3 km away
  39. 2.421 km ENE of Clearlake, California · 14864 days ago · 0 km deep · 42 km away
  40. 1.87 km W of Cobb, California · 14864 days ago · 2 km deep · 4 km away
  41. 2.57 km WSW of Cobb, California · 14863 days ago · 1 km deep · 3 km away
  42. 1.76 km SW of Cobb, California · 14863 days ago · 1 km deep · 1 km away
  43. 1.67 km W of Cobb, California · 14862 days ago · 3 km deep · 4 km away
  44. 1.77 km W of Cobb, California · 14862 days ago · 3 km deep · 4 km away
  45. 1.64 km WNW of Cobb, California · 14861 days ago · 0 km deep · 4 km away
  46. 1.67 km SW of Cloverdale, California · 14861 days ago · 28 km deep · 27 km away
  47. 1.77 km WSW of Cobb, California · 14861 days ago · 2 km deep · 3 km away
  48. 1.56 km WSW of Cobb, California · 14861 days ago · 3 km deep · 3 km away
  49. 2.17 km W of Cobb, CA · 14861 days ago · 0 km deep · 5 km away
  50. 2.07 km W of Cobb, California · 14861 days ago · -1 km deep · 5 km away
  51. 2.25 km SW of Cobb, California · 14860 days ago · 0 km deep · 2 km away
  52. 3.35 km SW of Cobb, California · 14860 days ago · 0 km deep · 1 km away
  53. 2.23 km SSW of Cobb, California · 14860 days ago · 1 km deep · 2 km away
  54. 1.66 km W of Cobb, California · 14859 days ago · 3 km deep · 4 km away
  55. 1.74 km W of Cobb, California · 14857 days ago · -1 km deep · 3 km away
  56. 1.87 km WSW of Cobb, California · 14857 days ago · 0 km deep · 3 km away
  57. 1.54 km WSW of Cobb, California · 14857 days ago · 0 km deep · 1 km away
  58. 1.75 km WNW of Cobb, California · 14856 days ago · 1 km deep · 4 km away
  59. 2.52 km SE of Clear Lake Riviera, California · 14856 days ago · 2 km deep · 17 km away
  60. 2.27 km WSW of Cobb, California · 14856 days ago · 1 km deep · 3 km away

The first 60 of 173.

Before

  1. 1.66 km W of Cobb, California · 14873 days ago · 3 km deep · 4 km away
  2. 1.65 km W of Cobb, California · 14873 days ago · 2 km deep · 4 km away
  3. 1.67 km W of Cobb, California · 14873 days ago · 3 km deep · 4 km away
  4. 1.54 km WSW of Cobb, California · 14873 days ago · 1 km deep · 1 km away
  5. 1.86 km W of Cobb, California · 14874 days ago · 3 km deep · 4 km away
  6. 1.76 km W of Cobb, California · 14874 days ago · 2 km deep · 4 km away
  7. 2.66 km W of Cobb, California · 14875 days ago · 1 km deep · 3 km away
  8. 1.68 km W of Cobb, California · 14875 days ago · 4 km deep · 5 km away
  9. 2.06 km W of Cobb, California · 14875 days ago · 2 km deep · 3 km away
  10. 1.64 km WSW of Cobb, California · 14875 days ago · 1 km deep · 1 km away
  11. 1.69 km W of Cobb, California · 14875 days ago · 0 km deep · 5 km away
  12. 3.04 km WSW of Cobb, California · 14875 days ago · 1 km deep · 1 km away
  13. 1.64 km WSW of Cobb, California · 14875 days ago · 1 km deep · 1 km away
  14. 2.55 km SW of Cobb, California · 14876 days ago · 0 km deep · 1 km away
  15. 1.64 km SE of Larkfield-Wikiup, California · 14876 days ago · 12 km deep · 34 km away
  16. 1.94 km NW of Redwood Valley, California · 14877 days ago · -1 km deep · 69 km away
  17. 1.58 km WNW of Cobb, California · 14877 days ago · 6 km deep · 6 km away
  18. 3.68 km WSW of Kelseyville, California · 14877 days ago · 4 km deep · 21 km away
  19. 1.71 km E of Calpella, California · 14878 days ago · 6 km deep · 60 km away
  20. 2.45 km NE of Rohnert Park, California · 14878 days ago · 5 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc66194. Read Sat, Oct 3, 2026, 8:00 PM UTC.