California earthquakes

M2.0 earthquake 4 km WSW of Cobb, California

A magnitude 2.0 earthquake struck 4 km WSW of Cobb, California on Fri, Feb 1, 1985, 6:43 PM PST (02:43 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M2.5 3 km SSW 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.

Open the live map with earthquakes

The earthquake

Magnitude
2.0 (md), micro
Local time
UTC
1985-02-02 02:43:55 UTC
Depth
1.1 km (0.7 mi), shallow
Epicenter
38.805° N, 122.773° 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, 0.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
44°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 189 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.95 km SW of Cobb, California · 15189 days ago · 0 km deep · 1 km away
  2. 2.53 km SSW of Cobb, California · 15189 days ago · 1 km deep · 3 km away
  3. 1.68 km W of Cobb, California · 15188 days ago · 0 km deep · 5 km away
  4. 1.66 km WSW of Cobb, California · 15188 days ago · 1 km deep · 2 km away
  5. 1.9Northern California · 15188 days ago · 3 km deep · 14 km away
  6. 2.25 km W of Cobb, California · 15188 days ago · 0 km deep · 2 km away
  7. 2.03 km NNE of Cloverdale, California · 15188 days ago · 3 km deep · 20 km away
  8. 1.86 km W of Cobb, California · 15187 days ago · 2 km deep · 2 km away
  9. 2.04 km SW of Clear Lake Riviera, California · 15187 days ago · 2 km deep · 14 km away
  10. 1.56 km WSW of Cobb, California · 15186 days ago · 1 km deep · 2 km away
  11. 2.17 km WSW of Cobb, California · 15186 days ago · 4 km deep · 3 km away
  12. 1.67 km WSW of Cobb, California · 15186 days ago · 1 km deep · 3 km away
  13. 1.5Northern California · 15185 days ago · 1 km deep · 2 km away
  14. 2.16 km W of Cobb, California · 15185 days ago · 3 km deep · 3 km away
  15. 2.47 km W of Cobb, California · 15185 days ago · 3 km deep · 4 km away
  16. 1.76 km ENE of Santa Rosa, California · 15185 days ago · 10 km deep · 40 km away
  17. 2.03 km W of Forestville, California · 15184 days ago · 0 km deep · 39 km away
  18. 2.78 km W of Cobb, California · 15184 days ago · 0 km deep · 4 km away
  19. 1.87 km W of Cobb, California · 15184 days ago · -1 km deep · 3 km away
  20. 3.110 km NW of Cobb, California · 15184 days ago · 8 km deep · 10 km away
  21. 2.34 km WSW of Cobb, California · 15183 days ago · 1 km deep · 0 km away
  22. 2.24 km NNE of Clearlake, California · 15183 days ago · 1 km deep · 26 km away
  23. 2.04 km NNE of Clearlake, California · 15183 days ago · 1 km deep · 25 km away
  24. 1.79 km ESE of Black Point-Green Point, California · 15182 days ago · 14 km deep · 86 km away
  25. 1.66 km W of Cobb, California · 15182 days ago · 3 km deep · 3 km away
  26. 1.86 km NW of North Lakeport, California · 15182 days ago · 1 km deep · 39 km away
  27. 1.86 km W of Cobb, California · 15182 days ago · 3 km deep · 2 km away
  28. 1.87 km WSW of Cobb, California · 15182 days ago · 1 km deep · 3 km away
  29. 2.45 km SW of Cobb, California · 15181 days ago · 2 km deep · 2 km away
  30. 1.76 km NW of North Lakeport, California · 15181 days ago · 5 km deep · 39 km away
  31. 2.38 km W of Cobb, California · 15180 days ago · 0 km deep · 4 km away
  32. 1.98 km W of Cobb, California · 15180 days ago · 0 km deep · 4 km away
  33. 2.52 km SSE of Clear Lake Riviera, California · 15180 days ago · 1 km deep · 15 km away
  34. 1.90 km NNE of Clearlake, California · 15180 days ago · 4 km deep · 22 km away
  35. 1.5Northern California · 15180 days ago · -1 km deep · 14 km away
  36. 2.15 km SW of Cobb, California · 15180 days ago · 1 km deep · 3 km away
  37. 1.67 km W of Cobb, California · 15180 days ago · 3 km deep · 3 km away
  38. 1.64 km WSW of Cobb, California · 15180 days ago · 1 km deep · 0 km away
  39. 1.53 km ESE of Kenwood, California · 15179 days ago · 8 km deep · 51 km away
  40. 1.77 km W of Cobb, California · 15179 days ago · 3 km deep · 3 km away
  41. 2.02 km SE of Clear Lake Riviera, California · 15178 days ago · 2 km deep · 16 km away
  42. 2.77 km WSW of Cobb, California · 15178 days ago · 2 km deep · 3 km away
  43. 1.87 km WSW of Cobb, California · 15178 days ago · 2 km deep · 3 km away
  44. 3.1Northern California · 15177 days ago · 3 km deep · 3 km away
  45. 2.46 km NNE of Cloverdale, California · 15177 days ago · 18 km deep · 19 km away
  46. 1.56 km W of Cobb, California · 15177 days ago · 3 km deep · 3 km away
  47. 1.67 km W of Cobb, California · 15177 days ago · 4 km deep · 3 km away
  48. 1.7Northern California · 15176 days ago · 5 km deep · 12 km away
  49. 2.82 km SE of Clear Lake Riviera, California · 15176 days ago · 2 km deep · 16 km away
  50. 3.52 km SE of Clear Lake Riviera, California · 15176 days ago · 2 km deep · 16 km away
  51. 2.94 km SE of Clear Lake Riviera, California · 15176 days ago · -1 km deep · 15 km away
  52. 1.82 km SE of Clear Lake Riviera, California · 15176 days ago · 1 km deep · 16 km away
  53. 1.92 km S of Clear Lake Riviera, California · 15176 days ago · -1 km deep · 15 km away
  54. 1.93 km SE of Clear Lake Riviera, California · 15176 days ago · 2 km deep · 15 km away
  55. 1.92 km ESE of Clear Lake Riviera, California · 15176 days ago · 4 km deep · 18 km away
  56. 1.63 km SSE of Clear Lake Riviera, California · 15176 days ago · 2 km deep · 15 km away
  57. 1.61 km NNE of Clear Lake Riviera, California · 15176 days ago · 4 km deep · 19 km away
  58. 2.22 km SE of Clear Lake Riviera, California · 15176 days ago · 2 km deep · 15 km away
  59. 1.83 km SSW of Clear Lake Riviera, California · 15176 days ago · -1 km deep · 13 km away
  60. 2.52 km SE of Clear Lake Riviera, California · 15176 days ago · 2 km deep · 16 km away

The first 60 of 189.

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc39847. Read Tue, Sep 22, 2026, 5:27 PM UTC.