California earthquakes

M1.6 earthquake 7 km E of Willits, California

A magnitude 1.6 earthquake struck 7 km E of Willits, California on Tue, Jan 4, 1983, 2:40 PM PST (22:40 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M2.2 5 km ENE of Willits, California. This one was a foreshock.

Willits 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
1983-01-04 22:40:35 UTC
Depth
7.3 km (4.5 mi), shallow
Epicenter
39.408° N, 123.273° 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 0.6 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
111°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 130 in the 60 days after this one and 66 in the 30 days before it.

After

  1. 2.25 km ENE of Willits, California · 15967 days ago · 3 km deep · 4 km away
  2. 1.65 km WNW of Redwood Valley, California · 15966 days ago · 7 km deep · 14 km away
  3. 1.711 km ESE of Covelo, California · 15966 days ago · 6 km deep · 42 km away
  4. 1.725 km SE of Covelo, California · 15965 days ago · 14 km deep · 29 km away
  5. 1.78 km E of Willits, California · 15965 days ago · 9 km deep · 2 km away
  6. 1.94 km S of Cobb, California · 15965 days ago · 1 km deep · 84 km away
  7. 1.96 km ESE of Willits, California · 15964 days ago · 8 km deep · 3 km away
  8. 1.95 km W of Hopland, California · 15964 days ago · 6 km deep · 48 km away
  9. 1.65 km WSW of Cobb, California · 15964 days ago · -1 km deep · 80 km away
  10. 1.510 km S of Laytonville, California · 15964 days ago · -1 km deep · 28 km away
  11. 1.87 km W of Laytonville, California · 15963 days ago · 0 km deep · 41 km away
  12. 2.05 km NE of Hopland, California · 15962 days ago · 5 km deep · 47 km away
  13. 2.14 km NNW of Redwood Valley, California · 15962 days ago · 7 km deep · 12 km away
  14. 1.87 km W of Cobb, California · 15962 days ago · 3 km deep · 77 km away
  15. 1.61 km SE of Clearlake, California · 15962 days ago · 3 km deep · 77 km away
  16. 2.05 km NE of Hopland, California · 15962 days ago · 5 km deep · 47 km away
  17. 1.84 km ENE of Willits, California · 15962 days ago · 7 km deep · 3 km away
  18. 1.710 km W of Cobb, California · 15962 days ago · 4 km deep · 74 km away
  19. 1.79 km NW of Redwood Valley, California · 15960 days ago · -1 km deep · 10 km away
  20. 2.921 km NE of Potter Valley, California · 15960 days ago · 6 km deep · 30 km away
  21. 1.821 km NE of Potter Valley, California · 15960 days ago · 7 km deep · 30 km away
  22. 2.11 km NNW of Redway, California · 15959 days ago · 20 km deep · 94 km away
  23. 1.68 km NNE of Brooktrails, California · 15958 days ago · 5 km deep · 14 km away
  24. 2.36 km W of Cobb, California · 15957 days ago · 3 km deep · 77 km away
  25. 1.88 km W of Cobb, California · 15957 days ago · 4 km deep · 77 km away
  26. 1.74 km W of Cobb, California · 15956 days ago · 2 km deep · 78 km away
  27. 2.021 km NNE of Potter Valley, California · 15956 days ago · 8 km deep · 26 km away
  28. 2.27 km W of Cobb, California · 15956 days ago · 2 km deep · 78 km away
  29. 1.94 km S of Cobb, California · 15956 days ago · 2 km deep · 85 km away
  30. 2.14 km WSW of Cobb, California · 15955 days ago · 2 km deep · 80 km away
  31. 1.66 km W of Cobb, California · 15955 days ago · 2 km deep · 78 km away
  32. 1.55 km WSW of Cobb, California · 15954 days ago · 0 km deep · 80 km away
  33. 2.15 km S of Cobb, California · 15953 days ago · 0 km deep · 84 km away
  34. 2.95 km WSW of Cobb, California · 15953 days ago · 0 km deep · 80 km away
  35. 1.97 km W of Cobb, California · 15952 days ago · 1 km deep · 78 km away
  36. 2.77 km W of Cobb, California · 15952 days ago · 3 km deep · 78 km away
  37. 2.85 km SW of Cobb, California · 15950 days ago · -1 km deep · 81 km away
  38. 1.624 km SE of Covelo, California · 15949 days ago · 14 km deep · 30 km away
  39. 1.96 km W of Cobb, California · 15948 days ago · 3 km deep · 78 km away
  40. 2.08 km WSW of Cobb, California · 15948 days ago · 2 km deep · 78 km away
  41. 1.9Northern California · 15948 days ago · 8 km deep · 30 km away
  42. 2.018 km NE of Nice, California · 15947 days ago · 8 km deep · 50 km away
  43. 2.19 km ESE of Boonville, California · 15947 days ago · 5 km deep · 48 km away
  44. 3.29 km ESE of Boonville, California · 15947 days ago · 5 km deep · 48 km away
  45. 2.09 km ESE of Boonville, California · 15947 days ago · 6 km deep · 48 km away
  46. 1.97 km E of Willits, California · 15946 days ago · 7 km deep · 1 km away
  47. 1.68 km ENE of Willits, California · 15946 days ago · 2 km deep · 3 km away
  48. 2.19 km WNW of Cobb, California · 15946 days ago · 1 km deep · 72 km away
  49. 2.06 km NW of Redway, California · 15945 days ago · 19 km deep · 98 km away
  50. 1.96 km W of Cobb, California · 15944 days ago · 0 km deep · 78 km away
  51. 1.67 km WSW of Cobb, California · 15943 days ago · 0 km deep · 78 km away
  52. 2.215 km NE of Leggett, California · 15942 days ago · 22 km deep · 70 km away
  53. 1.77 km W of Cobb, California · 15941 days ago · 0 km deep · 78 km away
  54. 1.87 km W of Cobb, California · 15941 days ago · 0 km deep · 77 km away
  55. 1.95 km SW of Cobb, California · 15941 days ago · -1 km deep · 81 km away
  56. 2.09 km WSW of Cobb, California · 15941 days ago · 0 km deep · 79 km away
  57. 1.623 km NE of Potter Valley, California · 15941 days ago · 10 km deep · 31 km away
  58. 2.017 km NW of Elk Creek, California · 15940 days ago · 4 km deep · 64 km away
  59. 2.35 km SW of Cobb, California · 15940 days ago · 0 km deep · 81 km away
  60. 1.520 km ENE of Potter Valley, California · 15940 days ago · 0 km deep · 33 km away

The first 60 of 130.

Before

  1. 1.77 km W of Cobb, California · 15967 days ago · 0 km deep · 78 km away
  2. 1.830 km W of Paskenta, California · 15969 days ago · 7 km deep · 64 km away
  3. 1.63 km SE of Calpella, California · 15969 days ago · 2 km deep · 23 km away
  4. 2.74 km SSW of Willits, California · 15970 days ago · 4 km deep · 9 km away
  5. 1.75 km SW of Cobb, California · 15970 days ago · 0 km deep · 81 km away
  6. 1.65 km W of Cobb, California · 15970 days ago · 1 km deep · 79 km away
  7. 1.9Northern California · 15971 days ago · 0 km deep · 77 km away
  8. 1.510 km N of Brooktrails, California · 15971 days ago · 5 km deep · 18 km away
  9. 2.38 km W of Cobb, California · 15971 days ago · 1 km deep · 77 km away
  10. 2.24 km NE of Talmage, California · 15972 days ago · 8 km deep · 30 km away
  11. 1.85 km NE of Willits, California · 15973 days ago · 3 km deep · 5 km away
  12. 2.26 km E of Lakeport, California · 15973 days ago · 45 km deep · 55 km away
  13. 2.016 km WSW of Paskenta, California · 15974 days ago · 4 km deep · 66 km away
  14. 1.97 km W of Cobb, California · 15975 days ago · 0 km deep · 76 km away
  15. 1.61 km SE of Clearlake, California · 15975 days ago · 2 km deep · 77 km away
  16. 1.57 km WSW of Cobb, California · 15976 days ago · -1 km deep · 80 km away
  17. 2.06 km W of Cobb, California · 15976 days ago · 2 km deep · 78 km away
  18. 1.630 km NNE of Potter Valley, California · 15976 days ago · 14 km deep · 35 km away
  19. 1.77 km W of Cobb, California · 15976 days ago · 3 km deep · 77 km away
  20. 3.16 km WSW of Cobb, California · 15976 days ago · 3 km deep · 78 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1083873. Read Tue, Sep 22, 2026, 8:22 PM UTC.