California earthquakes

M1.9 earthquake 6 km SW of Cobb, California

A magnitude 1.9 earthquake struck 6 km SW of Cobb, California on Mon, Dec 13, 1982, 12:50 PM PST (20:50 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.5 near the coast of Northern 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
1.9 (md), micro
Local time
UTC
1982-12-13 20:50:37 UTC
Depth
-0.4 km (-0.3 mi), shallow
Epicenter
38.788° N, 122.776° 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
±0.14
Depth from
From location
Station coverage gap
67°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 135 in the 60 days after this one and 43 in the 30 days before it.

After

  1. 1.54 km ESE of Calpella, California · 15985 days ago · 0 km deep · 58 km away
  2. 2.5near the coast of Northern California · 15985 days ago · 5 km deep · 96 km away
  3. 1.9Northern California · 15984 days ago · -1 km deep · 1 km away
  4. 2.14 km W of Cobb, California · 15983 days ago · 3 km deep · 3 km away
  5. 2.36 km W of Cobb, California · 15983 days ago · 1 km deep · 3 km away
  6. 2.36 km W of Cobb, California · 15983 days ago · 2 km deep · 4 km away
  7. 1.72 km SW of Clearlake, California · 15982 days ago · 1 km deep · 21 km away
  8. 1.74 km NE of Clearlake, California · 15982 days ago · 1 km deep · 27 km away
  9. 1.96 km WSW of Cobb, California · 15981 days ago · 0 km deep · 3 km away
  10. 2.92 km SE of Clearlake, California · 15981 days ago · 2 km deep · 23 km away
  11. 1.61 km SE of Clearlake, California · 15981 days ago · 3 km deep · 22 km away
  12. 1.92 km SE of Clearlake, California · 15981 days ago · 2 km deep · 23 km away
  13. 1.61 km SSE of Clearlake, California · 15981 days ago · 2 km deep · 22 km away
  14. 2.41 km SSE of Clearlake, California · 15981 days ago · 3 km deep · 22 km away
  15. 2.31 km SSE of Clearlake, California · 15981 days ago · 3 km deep · 22 km away
  16. 1.91 km SE of Clearlake, California · 15981 days ago · 3 km deep · 23 km away
  17. 2.21 km SSE of Clearlake, California · 15981 days ago · 3 km deep · 22 km away
  18. 2.59 km WSW of Cobb, California · 15981 days ago · 2 km deep · 5 km away
  19. 1.55 km SW of Cobb, California · 15981 days ago · 0 km deep · 0 km away
  20. 1.67 km W of Cobb, California · 15981 days ago · 3 km deep · 4 km away
  21. 1.917 km WNW of Elk Creek, California · 15979 days ago · 10 km deep · 95 km away
  22. 1.66 km W of Cobb, California · 15979 days ago · 3 km deep · 4 km away
  23. 1.66 km W of Cobb, California · 15979 days ago · 3 km deep · 4 km away
  24. 1.722 km ENE of Potter Valley, California · 15978 days ago · 14 km deep · 70 km away
  25. 1.79 km WSW of Cobb, California · 15976 days ago · 1 km deep · 4 km away
  26. 1.83 km NE of Talmage, California · 15976 days ago · 7 km deep · 52 km away
  27. 3.16 km WSW of Cobb, California · 15976 days ago · 3 km deep · 3 km away
  28. 1.77 km W of Cobb, California · 15976 days ago · 3 km deep · 4 km away
  29. 1.630 km NNE of Potter Valley, California · 15976 days ago · 14 km deep · 86 km away
  30. 1.511 km ESE of Hidden Valley Lake, California · 15976 days ago · 2 km deep · 29 km away
  31. 2.06 km W of Cobb, California · 15976 days ago · 2 km deep · 4 km away
  32. 1.57 km WSW of Cobb, California · 15975 days ago · -1 km deep · 2 km away
  33. 1.61 km SE of Clearlake, California · 15975 days ago · 2 km deep · 22 km away
  34. 1.97 km W of Cobb, California · 15975 days ago · 0 km deep · 5 km away
  35. 2.24 km NNW of Benicia, California · 15973 days ago · 7 km deep · 94 km away
  36. 2.26 km E of Lakeport, California · 15973 days ago · 45 km deep · 29 km away
  37. 1.85 km NE of Willits, California · 15973 days ago · 3 km deep · 86 km away
  38. 1.81 km E of Deer Park, California · 15972 days ago · 11 km deep · 40 km away
  39. 2.24 km NE of Talmage, California · 15972 days ago · 8 km deep · 52 km away
  40. 2.38 km W of Cobb, California · 15971 days ago · 1 km deep · 4 km away
  41. 1.510 km N of Brooktrails, California · 15971 days ago · 5 km deep · 99 km away
  42. 1.9Northern California · 15971 days ago · 0 km deep · 4 km away
  43. 1.65 km W of Cobb, California · 15970 days ago · 1 km deep · 3 km away
  44. 1.75 km SW of Cobb, California · 15970 days ago · 0 km deep · 0 km away
  45. 2.74 km SSW of Willits, California · 15969 days ago · 4 km deep · 83 km away
  46. 1.612 km NNW of Moskowite Corner, California · 15969 days ago · 2 km deep · 53 km away
  47. 1.63 km SE of Calpella, California · 15969 days ago · 2 km deep · 58 km away
  48. 1.77 km W of Cobb, California · 15967 days ago · 0 km deep · 4 km away
  49. 1.67 km E of Willits, California · 15967 days ago · 7 km deep · 81 km away
  50. 2.25 km ENE of Willits, California · 15967 days ago · 3 km deep · 85 km away
  51. 1.89 km N of Moskowite Corner, California · 15966 days ago · 10 km deep · 57 km away
  52. 1.713 km NNW of Moskowite Corner, California · 15966 days ago · 3 km deep · 52 km away
  53. 1.65 km WNW of Redwood Valley, California · 15966 days ago · 7 km deep · 69 km away
  54. 1.77 km NW of Moskowite Corner, California · 15966 days ago · 2 km deep · 56 km away
  55. 2.53 km NNE of Dixon, California · 15966 days ago · 30 km deep · 92 km away
  56. 1.725 km SE of Covelo, California · 15965 days ago · 14 km deep · 95 km away
  57. 1.78 km E of Willits, California · 15965 days ago · 9 km deep · 80 km away
  58. 1.94 km S of Cobb, California · 15965 days ago · 1 km deep · 4 km away
  59. 1.96 km ESE of Willits, California · 15964 days ago · 8 km deep · 80 km away
  60. 1.95 km W of Hopland, California · 15964 days ago · 6 km deep · 41 km away

The first 60 of 135.

Before

  1. 1.69 km WSW of Cobb, California · 15990 days ago · 2 km deep · 5 km away
  2. 1.6Northern California · 15990 days ago · 0 km deep · 3 km away
  3. 1.55 km NNE of Cobb, California · 15990 days ago · 4 km deep · 11 km away
  4. 1.818 km NNE of Lucerne, California · 15991 days ago · 12 km deep · 50 km away
  5. 2.26 km W of Cobb, California · 15992 days ago · 1 km deep · 4 km away
  6. 1.66 km WSW of Cobb, California · 15992 days ago · 3 km deep · 3 km away
  7. 2.86 km WSW of Lower Lake, California · 15993 days ago · 3 km deep · 15 km away
  8. 1.76 km SSE of Clear Lake Riviera, California · 15993 days ago · 5 km deep · 15 km away
  9. 2.06 km W of Cobb, California · 15994 days ago · 0 km deep · 3 km away
  10. 1.67 km SSW of Cobb, California · 15994 days ago · -1 km deep · 3 km away
  11. 1.85 km SW of Cobb, California · 15994 days ago · -1 km deep · 0 km away
  12. 1.95 km SW of Cobb, California · 15994 days ago · 0 km deep · 1 km away
  13. 1.86 km W of Cobb, California · 15995 days ago · 3 km deep · 4 km away
  14. 3.08 km NW of Williams, California · 15997 days ago · 14 km deep · 66 km away
  15. 3.37 km NW of Williams, California · 15997 days ago · 16 km deep · 66 km away
  16. 2.18 km WNW of Williams, California · 15997 days ago · 21 km deep · 64 km away
  17. 2.39 km WSW of Cobb, California · 15997 days ago · 2 km deep · 5 km away
  18. 3.56 km WNW of Williams, California · 15998 days ago · 15 km deep · 65 km away
  19. 2.07 km W of Cobb, California · 15998 days ago · 3 km deep · 4 km away
  20. 2.16 km WNW of Williams, California · 15998 days ago · 21 km deep · 65 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1083046. Read Tue, Sep 22, 2026, 5:27 PM UTC.