California earthquakes

M1.6 earthquake 5 km WSW of Cobb, California

A magnitude 1.6 earthquake struck 5 km WSW of Cobb, California on Fri, Jan 7, 1983, 9:41 AM PST (17:41 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M2.2 7 km WSW of Moskowite Corner, 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
1.6 (md), micro
Local time
UTC
1983-01-07 17:41:52 UTC
Depth
-0.8 km (-0.5 mi), shallow
Epicenter
38.795° N, 122.782° 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 0.3 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
72°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 137 in the 60 days after this one and 34 in the 30 days before it.

After

  1. 2.27 km WSW of Moskowite Corner, California · 15963 days ago · 13 km deep · 61 km away
  2. 2.05 km NE of Hopland, California · 15962 days ago · 5 km deep · 35 km away
  3. 2.14 km NNW of Redwood Valley, California · 15962 days ago · 7 km deep · 69 km away
  4. 1.87 km W of Cobb, California · 15962 days ago · 3 km deep · 4 km away
  5. 1.61 km SE of Clearlake, California · 15962 days ago · 3 km deep · 22 km away
  6. 2.05 km NE of Hopland, California · 15962 days ago · 5 km deep · 36 km away
  7. 1.84 km ENE of Willits, California · 15962 days ago · 7 km deep · 83 km away
  8. 1.812 km ESE of Hidden Valley Lake, California · 15962 days ago · 6 km deep · 30 km away
  9. 1.79 km SE of Hidden Valley Lake, California · 15962 days ago · 0 km deep · 26 km away
  10. 1.710 km W of Cobb, California · 15962 days ago · 4 km deep · 7 km away
  11. 1.79 km NW of Redwood Valley, California · 15960 days ago · -1 km deep · 73 km away
  12. 2.214 km NNE of Angwin, California · 15960 days ago · 9 km deep · 39 km away
  13. 2.921 km NE of Potter Valley, California · 15960 days ago · 6 km deep · 74 km away
  14. 1.821 km NE of Potter Valley, California · 15960 days ago · 7 km deep · 75 km away
  15. 1.611 km SE of Hidden Valley Lake, California · 15958 days ago · 3 km deep · 29 km away
  16. 1.68 km NNE of Brooktrails, California · 15958 days ago · 5 km deep · 94 km away
  17. 2.36 km W of Cobb, California · 15957 days ago · 3 km deep · 3 km away
  18. 1.88 km W of Cobb, California · 15957 days ago · 4 km deep · 4 km away
  19. 1.74 km W of Cobb, California · 15957 days ago · 2 km deep · 3 km away
  20. 2.021 km NNE of Potter Valley, California · 15956 days ago · 8 km deep · 79 km away
  21. 2.27 km W of Cobb, California · 15956 days ago · 2 km deep · 3 km away
  22. 1.94 km S of Cobb, California · 15956 days ago · 2 km deep · 5 km away
  23. 2.14 km WSW of Cobb, California · 15955 days ago · 2 km deep · 2 km away
  24. 1.66 km W of Cobb, California · 15955 days ago · 2 km deep · 2 km away
  25. 1.55 km WSW of Cobb, California · 15954 days ago · 0 km deep · 1 km away
  26. 2.15 km S of Cobb, California · 15953 days ago · 0 km deep · 5 km away
  27. 2.95 km WSW of Cobb, California · 15953 days ago · 0 km deep · 1 km away
  28. 1.97 km W of Cobb, California · 15952 days ago · 1 km deep · 3 km away
  29. 2.77 km W of Cobb, California · 15952 days ago · 3 km deep · 3 km away
  30. 2.85 km SW of Cobb, California · 15950 days ago · -1 km deep · 1 km away
  31. 1.624 km SE of Covelo, California · 15949 days ago · 14 km deep · 95 km away
  32. 1.96 km W of Cobb, California · 15948 days ago · 3 km deep · 3 km away
  33. 2.08 km WSW of Cobb, California · 15948 days ago · 2 km deep · 3 km away
  34. 1.9Northern California · 15948 days ago · 8 km deep · 81 km away
  35. 2.018 km NE of Nice, California · 15947 days ago · 8 km deep · 52 km away
  36. 2.3Northern California · 15947 days ago · 6 km deep · 52 km away
  37. 2.19 km ESE of Boonville, California · 15947 days ago · 5 km deep · 47 km away
  38. 3.29 km ESE of Boonville, California · 15947 days ago · 5 km deep · 47 km away
  39. 2.09 km ESE of Boonville, California · 15947 days ago · 6 km deep · 47 km away
  40. 1.513 km ESE of Hidden Valley Lake, California · 15946 days ago · 3 km deep · 32 km away
  41. 1.97 km E of Willits, California · 15946 days ago · 7 km deep · 80 km away
  42. 1.68 km ENE of Willits, California · 15946 days ago · 2 km deep · 83 km away
  43. 2.19 km WNW of Cobb, California · 15946 days ago · 1 km deep · 8 km away
  44. 1.96 km W of Cobb, California · 15944 days ago · 0 km deep · 3 km away
  45. 1.67 km WSW of Cobb, California · 15943 days ago · 0 km deep · 2 km away
  46. 2.411 km NW of Moskowite Corner, California · 15943 days ago · 8 km deep · 53 km away
  47. 1.77 km W of Cobb, California · 15941 days ago · 0 km deep · 3 km away
  48. 1.87 km W of Cobb, California · 15941 days ago · 0 km deep · 3 km away
  49. 1.95 km SW of Cobb, California · 15941 days ago · -1 km deep · 1 km away
  50. 2.09 km WSW of Cobb, California · 15941 days ago · 0 km deep · 3 km away
  51. 1.91 km WNW of Princeton, California · 15941 days ago · 22 km deep · 94 km away
  52. 1.623 km NE of Potter Valley, California · 15941 days ago · 10 km deep · 76 km away
  53. 2.35 km SW of Cobb, California · 15940 days ago · 0 km deep · 1 km away
  54. 1.520 km ENE of Potter Valley, California · 15940 days ago · 0 km deep · 67 km away
  55. 2.37 km W of Cobb, California · 15940 days ago · 5 km deep · 3 km away
  56. 1.526 km SSE of Covelo, California · 15939 days ago · -1 km deep · 92 km away
  57. 2.17 km WSW of Cobb, California · 15937 days ago · 0 km deep · 2 km away
  58. 1.913 km NNW of Moskowite Corner, California · 15937 days ago · 13 km deep · 52 km away
  59. 2.610 km WSW of Cobb, California · 15937 days ago · 1 km deep · 5 km away
  60. 1.62 km E of Calpella, California · 15937 days ago · 2 km deep · 59 km away

The first 60 of 137.

Before

  1. 1.95 km W of Hopland, California · 15964 days ago · 6 km deep · 40 km away
  2. 1.96 km ESE of Willits, California · 15964 days ago · 8 km deep · 79 km away
  3. 1.94 km S of Cobb, California · 15965 days ago · 1 km deep · 5 km away
  4. 1.78 km E of Willits, California · 15965 days ago · 9 km deep · 79 km away
  5. 1.725 km SE of Covelo, California · 15965 days ago · 14 km deep · 94 km away
  6. 2.53 km NNE of Dixon, California · 15966 days ago · 30 km deep · 92 km away
  7. 1.77 km NW of Moskowite Corner, California · 15966 days ago · 2 km deep · 57 km away
  8. 1.65 km WNW of Redwood Valley, California · 15966 days ago · 7 km deep · 68 km away
  9. 1.713 km NNW of Moskowite Corner, California · 15966 days ago · 3 km deep · 52 km away
  10. 1.89 km N of Moskowite Corner, California · 15967 days ago · 10 km deep · 58 km away
  11. 2.25 km ENE of Willits, California · 15967 days ago · 3 km deep · 84 km away
  12. 1.67 km E of Willits, California · 15967 days ago · 7 km deep · 80 km away
  13. 1.77 km W of Cobb, California · 15967 days ago · 0 km deep · 3 km away
  14. 1.63 km SE of Calpella, California · 15969 days ago · 2 km deep · 57 km away
  15. 1.612 km NNW of Moskowite Corner, California · 15970 days ago · 2 km deep · 54 km away
  16. 2.74 km SSW of Willits, California · 15970 days ago · 4 km deep · 82 km away
  17. 1.75 km SW of Cobb, California · 15970 days ago · 0 km deep · 1 km away
  18. 1.65 km W of Cobb, California · 15970 days ago · 1 km deep · 2 km away
  19. 1.9Northern California · 15971 days ago · 0 km deep · 3 km away
  20. 1.510 km N of Brooktrails, California · 15971 days ago · 5 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1084381. Read Tue, Sep 22, 2026, 8:46 PM UTC.