California earthquakes

M1.6 earthquake 8 km W of Cobb, California

A magnitude 1.6 earthquake struck 8 km W of Cobb, California on Tue, Oct 29, 1985, 5:55 PM PST (01:55 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M1.6 14 km ESE of Hidden Valley Lake, 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
1985-10-30 01:55:33 UTC
Depth
0.4 km (0.2 mi), shallow
Epicenter
38.819° N, 122.817° 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
±0.17
Depth from
From location
Station coverage gap
97°
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. 1.614 km ESE of Hidden Valley Lake, California · 14920 days ago · -1 km deep · 36 km away
  2. 1.66 km W of Cobb, California · 14919 days ago · 2 km deep · 2 km away
  3. 1.514 km SSE of Laytonville, California · 14919 days ago · 10 km deep · 98 km away
  4. 1.98 km W of Cobb, California · 14919 days ago · 1 km deep · 1 km away
  5. 1.84 km W of Cobb, California · 14919 days ago · 0 km deep · 3 km away
  6. 2.68 km W of Cobb, California · 14919 days ago · 1 km deep · 0 km away
  7. 1.98 km W of Lodoga, California · 14919 days ago · 4 km deep · 56 km away
  8. 1.51 km E of Knights Landing, California · 14918 days ago · 1 km deep · 97 km away
  9. 1.55 km SW of Cobb, California · 14918 days ago · 0 km deep · 5 km away
  10. 2.36 km W of Cobb, California · 14917 days ago · 3 km deep · 1 km away
  11. 1.5Northern California · 14917 days ago · 1 km deep · 6 km away
  12. 1.76 km W of Cobb, California · 14917 days ago · 3 km deep · 1 km away
  13. 1.79 km WSW of Cobb, California · 14916 days ago · 2 km deep · 2 km away
  14. 1.65 km WSW of Cobb, California · 14916 days ago · 2 km deep · 3 km away
  15. 1.85 km WSW of Cobb, California · 14916 days ago · 1 km deep · 3 km away
  16. 1.86 km W of Cobb, California · 14915 days ago · 1 km deep · 2 km away
  17. 2.13 km ESE of Cloverdale, California · 14915 days ago · 2 km deep · 15 km away
  18. 2.212 km E of Geyserville, California · 14914 days ago · 3 km deep · 15 km away
  19. 2.29 km WSW of Cobb, California · 14914 days ago · 1 km deep · 3 km away
  20. 1.57 km WSW of Cobb, California · 14914 days ago · 2 km deep · 2 km away
  21. 1.59 km SSE of Willits, California · 14914 days ago · 7 km deep · 71 km away
  22. 1.77 km WSW of Cobb, California · 14913 days ago · 1 km deep · 2 km away
  23. 1.65 km SW of Cobb, California · 14913 days ago · 0 km deep · 5 km away
  24. 2.55 km SW of Cobb, California · 14913 days ago · 0 km deep · 5 km away
  25. 2.27 km W of Cobb, California · 14913 days ago · 0 km deep · 1 km away
  26. 2.05 km SW of Cobb, California · 14913 days ago · 4 km deep · 5 km away
  27. 1.78 km WSW of Cobb, California · 14913 days ago · 3 km deep · 2 km away
  28. 2.15 km WSW of Cobb, California · 14912 days ago · 1 km deep · 4 km away
  29. 1.87 km W of Cobb, California · 14911 days ago · 1 km deep · 1 km away
  30. 2.026 km NE of Potter Valley, California · 14911 days ago · 7 km deep · 73 km away
  31. 1.98 km W of Cobb, California · 14911 days ago · 0 km deep · 0 km away
  32. 1.712 km WSW of Willits, California · 14910 days ago · 0 km deep · 82 km away
  33. 1.75 km W of Cobb, California · 14910 days ago · 1 km deep · 3 km away
  34. 1.96 km E of Calpella, California · 14910 days ago · 3 km deep · 53 km away
  35. 2.03 km ESE of Clear Lake Riviera, California · 14909 days ago · 4 km deep · 18 km away
  36. 1.67 km WSW of Cobb, California · 14909 days ago · 0 km deep · 2 km away
  37. 1.57 km WSW of Cobb, California · 14909 days ago · -1 km deep · 2 km away
  38. 2.07 km WSW of Cobb, California · 14909 days ago · 0 km deep · 2 km away
  39. 1.96 km W of Cobb, California · 14909 days ago · 3 km deep · 1 km away
  40. 2.68 km WSW of Cobb, California · 14909 days ago · 1 km deep · 1 km away
  41. 1.612 km NE of Clearlake, California · 14909 days ago · 6 km deep · 35 km away
  42. 1.55 km W of Cobb, California · 14909 days ago · 0 km deep · 3 km away
  43. 1.87 km WSW of Cobb, California · 14909 days ago · 0 km deep · 3 km away
  44. 1.64 km SW of Cobb, California · 14908 days ago · 1 km deep · 7 km away
  45. 1.97 km W of Cobb, California · 14908 days ago · 0 km deep · 1 km away
  46. 2.11 km WSW of Roseland, California · 14908 days ago · 6 km deep · 45 km away
  47. 1.77 km W of Cobb, California · 14908 days ago · 4 km deep · 1 km away
  48. 1.99 km WSW of Cobb, California · 14907 days ago · 2 km deep · 2 km away
  49. 2.321 km ENE of Clearlake, California · 14907 days ago · 6 km deep · 43 km away
  50. 1.58 km W of Cobb, California · 14907 days ago · 1 km deep · 1 km away
  51. 1.65 km WSW of Cobb, California · 14907 days ago · 0 km deep · 4 km away
  52. 1.65 km WSW of Cobb, California · 14907 days ago · 1 km deep · 3 km away
  53. 2.620 km ENE of Clearlake, California · 14907 days ago · 0 km deep · 42 km away
  54. 2.45 km WSW of Cobb, California · 14907 days ago · 1 km deep · 4 km away
  55. 2.45 km SW of Cobb, California · 14907 days ago · 1 km deep · 6 km away
  56. 2.73 km SW of Cobb, California · 14907 days ago · 1 km deep · 6 km away
  57. 2.9Northern California · 14906 days ago · 2 km deep · 5 km away
  58. 1.7Northern California · 14906 days ago · 2 km deep · 5 km away
  59. 1.96 km WNW of Cobb, California · 14906 days ago · 1 km deep · 3 km away
  60. 1.912 km NE of Windsor, California · 14906 days ago · 6 km deep · 22 km away

The first 60 of 176.

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1132559. Read Tue, Sep 22, 2026, 3:38 PM UTC.