California earthquakes

M1.6 earthquake 6 km W of Cobb, California

A magnitude 1.6 earthquake struck 6 km W of Cobb, California on Sun, Sep 15, 1985, 8:07 PM PDT (03:07 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.5 10 km N of Cloverdale, 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
1985-09-16 03:07:37 UTC
Depth
3.3 km (2.0 mi), shallow
Epicenter
38.815° N, 122.793° 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, 0.5 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
39°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 174 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.510 km N of Cloverdale, California · 14974 days ago · -1 km deep · 20 km away
  2. 3.15 km WSW of Cobb, California · 14973 days ago · -1 km deep · 2 km away
  3. 1.95 km WSW of Cobb, California · 14973 days ago · 0 km deep · 2 km away
  4. 1.64 km S of Cobb, California · 14973 days ago · 2 km deep · 7 km away
  5. 2.55 km SW of Cobb, California · 14973 days ago · 0 km deep · 5 km away
  6. 2.19 km ENE of Hopland, California · 14973 days ago · 23 km deep · 27 km away
  7. 2.05 km S of Moskowite Corner, California · 14973 days ago · 8 km deep · 69 km away
  8. 2.47 km W of Cobb, California · 14972 days ago · 3 km deep · 2 km away
  9. 1.75 km SW of Cobb, California · 14972 days ago · 1 km deep · 4 km away
  10. 1.97 km ENE of Clearlake, California · 14972 days ago · 3 km deep · 29 km away
  11. 1.77 km W of Cobb, California · 14972 days ago · 3 km deep · 1 km away
  12. 2.52 km E of Moskowite Corner, California · 14972 days ago · 4 km deep · 68 km away
  13. 1.63 km NE of Santa Rosa, California · 14971 days ago · 2 km deep · 40 km away
  14. 2.28 km W of Cobb, California · 14970 days ago · 1 km deep · 3 km away
  15. 1.51 km ESE of Clear Lake Riviera, California · 14970 days ago · 1 km deep · 17 km away
  16. 1.64 km ESE of Moskowite Corner, California · 14970 days ago · 5 km deep · 71 km away
  17. 1.62 km E of Rodeo, California · 14970 days ago · 4 km deep · 99 km away
  18. 2.06 km W of Cobb, California · 14970 days ago · 2 km deep · 1 km away
  19. 1.76 km W of Cobb, California · 14970 days ago · 3 km deep · 2 km away
  20. 1.74 km S of Cobb, California · 14969 days ago · 2 km deep · 7 km away
  21. 1.64 km S of Cobb, California · 14969 days ago · 2 km deep · 7 km away
  22. 1.65 km SW of Cobb, California · 14968 days ago · 1 km deep · 3 km away
  23. 2.019 km N of Upper Lake, California · 14968 days ago · 5 km deep · 58 km away
  24. 1.89 km W of Cobb, California · 14967 days ago · 0 km deep · 3 km away
  25. 1.74 km WSW of Cobb, California · 14966 days ago · 1 km deep · 2 km away
  26. 1.98 km WSW of Cobb, California · 14965 days ago · 1 km deep · 2 km away
  27. 1.64 km SE of Larkfield-Wikiup, California · 14965 days ago · 8 km deep · 37 km away
  28. 1.812 km WNW of Calistoga, California · 14965 days ago · 8 km deep · 22 km away
  29. 2.58 km W of Cobb, California · 14964 days ago · 1 km deep · 3 km away
  30. 1.64 km NW of Redwood Valley, California · 14963 days ago · 7 km deep · 65 km away
  31. 2.34 km WSW of Cobb, California · 14963 days ago · 1 km deep · 2 km away
  32. 1.711 km NW of Moskowite Corner, California · 14963 days ago · 4 km deep · 55 km away
  33. 2.25 km WSW of Cobb, California · 14962 days ago · 1 km deep · 1 km away
  34. 1.86 km SSE of Moskowite Corner, California · 14962 days ago · 5 km deep · 72 km away
  35. 2.24 km W of Cobb, California · 14961 days ago · 0 km deep · 2 km away
  36. 3.28 km SE of Hopland, California · 14961 days ago · 4 km deep · 25 km away
  37. 1.58 km SE of Hopland, California · 14961 days ago · 1 km deep · 25 km away
  38. 1.613 km SSE of Boonville, California · 14960 days ago · -1 km deep · 44 km away
  39. 2.48 km SE of Hopland, California · 14960 days ago · 2 km deep · 25 km away
  40. 2.78 km NW of Redwood Valley, California · 14960 days ago · -1 km deep · 70 km away
  41. 2.56 km W of Cobb, California · 14960 days ago · 3 km deep · 1 km away
  42. 1.98 km SE of Hopland, California · 14960 days ago · 1 km deep · 25 km away
  43. 1.88 km WSW of Cobb, California · 14960 days ago · 3 km deep · 2 km away
  44. 1.8Northern California · 14959 days ago · 0 km deep · 2 km away
  45. 2.28 km W of Cobb, California · 14959 days ago · 0 km deep · 3 km away
  46. 2.55 km SW of Cobb, California · 14958 days ago · 0 km deep · 4 km away
  47. 1.95 km SW of Cobb, California · 14958 days ago · 0 km deep · 4 km away
  48. 1.65 km W of Cobb, California · 14958 days ago · 0 km deep · 2 km away
  49. 1.57 km WSW of Cobb, California · 14957 days ago · 1 km deep · 3 km away
  50. 2.112 km NNW of Potter Valley, California · 14957 days ago · 5 km deep · 75 km away
  51. 2.05 km SW of Cobb, California · 14957 days ago · 2 km deep · 3 km away
  52. 1.97 km NNE of Upper Lake, California · 14956 days ago · 7 km deep · 47 km away
  53. 2.67 km WSW of Glen Ellen, California · 14956 days ago · 8 km deep · 56 km away
  54. 2.04 km WSW of Cobb, California · 14956 days ago · 1 km deep · 2 km away
  55. 2.05 km WNW of Cobb, California · 14954 days ago · 2 km deep · 3 km away
  56. 2.46 km WSW of Cobb, California · 14954 days ago · -1 km deep · 2 km away
  57. 1.67 km WSW of Cobb, California · 14954 days ago · 1 km deep · 2 km away
  58. 1.820 km ENE of Clearlake, California · 14953 days ago · 6 km deep · 42 km away
  59. 1.66 km W of Cobb, California · 14953 days ago · 3 km deep · 0 km away
  60. 1.55 km WSW of Cobb, California · 14953 days ago · 1 km deep · 1 km away

The first 60 of 174.

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1131425. Read Tue, Sep 22, 2026, 9:33 PM UTC.