California earthquakes

M1.6 earthquake 7 km SE of Willits, California

A magnitude 1.6 earthquake struck 7 km SE of Willits, California on Sun, Mar 13, 1983, 2:30 AM PST (10:30 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.6 3 km E of Talmage, 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.

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The earthquake

Magnitude
1.6 (md), micro
Local time
UTC
1983-03-13 10:30:23 UTC
Depth
2.3 km (1.4 mi), shallow
Epicenter
39.354° N, 123.297° 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 1.3 km horizontally, 10.5 km in depth
Magnitude uncertainty
±0.37
Depth from
From location
Station coverage gap
127°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 148 in the 60 days after this one and 76 in the 30 days before it.

After

  1. 2.024 km SSE of Covelo, California · 15906 days ago · 6 km deep · 33 km away
  2. 2.87 km WSW of Cobb, California · 15904 days ago · 0 km deep · 75 km away
  3. 1.93 km E of Geyserville, California · 15904 days ago · 5 km deep · 81 km away
  4. 2.08 km WSW of Cobb, California · 15903 days ago · 3 km deep · 75 km away
  5. 1.72 km SSE of Talmage, California · 15903 days ago · -1 km deep · 29 km away
  6. 1.818 km ENE of Potter Valley, California · 15902 days ago · 11 km deep · 33 km away
  7. 2.16 km W of Cobb, California · 15902 days ago · 3 km deep · 73 km away
  8. 1.68 km WSW of Cobb, California · 15901 days ago · 3 km deep · 74 km away
  9. 3.06 km WSW of Cobb, California · 15901 days ago · 3 km deep · 75 km away
  10. 1.66 km WSW of Cobb, California · 15901 days ago · 3 km deep · 75 km away
  11. 2.17 km WSW of Cobb, California · 15901 days ago · 1 km deep · 75 km away
  12. 2.23 km N of Redwood Valley, California · 15901 days ago · 6 km deep · 10 km away
  13. 2.57 km WSW of Cobb, California · 15900 days ago · 1 km deep · 74 km away
  14. 1.66 km WSW of Cobb, California · 15900 days ago · 3 km deep · 75 km away
  15. 1.911 km N of Brooktrails, California · 15900 days ago · 10 km deep · 23 km away
  16. 1.87 km WSW of Cobb, California · 15900 days ago · 1 km deep · 74 km away
  17. 1.77 km NNE of Nice, California · 15900 days ago · 19 km deep · 45 km away
  18. 2.319 km ENE of Potter Valley, California · 15900 days ago · 12 km deep · 34 km away
  19. 2.12 km ENE of Garberville, California · 15899 days ago · 19 km deep · 93 km away
  20. 1.76 km W of Cobb, California · 15899 days ago · 0 km deep · 74 km away
  21. 2.424 km NE of Potter Valley, California · 15899 days ago · 10 km deep · 34 km away
  22. 1.55 km SSW of Kelseyville, California · 15899 days ago · -1 km deep · 61 km away
  23. 1.912 km SSE of Laytonville, California · 15898 days ago · 7 km deep · 28 km away
  24. 1.66 km W of Cobb, California · 15897 days ago · 1 km deep · 74 km away
  25. 2.816 km NE of Upper Lake, California · 15896 days ago · 5 km deep · 46 km away
  26. 2.014 km W of Laytonville, California · 15896 days ago · -1 km deep · 47 km away
  27. 2.024 km NE of Potter Valley, California · 15896 days ago · 11 km deep · 34 km away
  28. 1.93 km ENE of Covelo, California · 15896 days ago · 10 km deep · 51 km away
  29. 2.69 km WSW of Cobb, California · 15896 days ago · 2 km deep · 74 km away
  30. 2.58 km WSW of Cobb, California · 15896 days ago · 1 km deep · 74 km away
  31. 2.16 km W of Cobb, California · 15895 days ago · 3 km deep · 73 km away
  32. 3.06 km WSW of Cobb, California · 15895 days ago · 3 km deep · 75 km away
  33. 2.0Northern California · 15894 days ago · 2 km deep · 74 km away
  34. 1.79 km E of Hidden Valley Lake, California · 15894 days ago · 1 km deep · 96 km away
  35. 2.011 km SSW of Benbow, California · 15893 days ago · 6 km deep · 82 km away
  36. 1.75 km E of Calpella, California · 15893 days ago · 2 km deep · 19 km away
  37. 1.56 km W of Cobb, California · 15893 days ago · 1 km deep · 74 km away
  38. 1.66 km WSW of Cobb, California · 15892 days ago · 1 km deep · 76 km away
  39. 2.18 km WSW of Cobb, California · 15892 days ago · 7 km deep · 75 km away
  40. 1.67 km WSW of Cobb, California · 15892 days ago · 2 km deep · 74 km away
  41. 2.07 km W of Cobb, California · 15891 days ago · 3 km deep · 73 km away
  42. 1.57 km W of Cobb, California · 15891 days ago · 3 km deep · 73 km away
  43. 2.42 km SSE of Comptche, California · 15891 days ago · 10 km deep · 27 km away
  44. 1.67 km WSW of Cobb, California · 15890 days ago · 1 km deep · 76 km away
  45. 2.13 km N of Healdsburg, California · 15890 days ago · 1 km deep · 87 km away
  46. 1.819 km SW of Cloverdale, California · 15890 days ago · -1 km deep · 73 km away
  47. 1.97 km W of Cobb, California · 15885 days ago · 3 km deep · 73 km away
  48. 3.126 km W of Paskenta, California · 15885 days ago · -1 km deep · 75 km away
  49. 1.66 km W of Cobb, California · 15885 days ago · 1 km deep · 74 km away
  50. 1.57 km W of Cobb, California · 15884 days ago · -1 km deep · 74 km away
  51. 1.92 km ESE of Geyserville, California · 15884 days ago · 6 km deep · 81 km away
  52. 2.97 km NW of Redwood Valley, California · 15884 days ago · 0 km deep · 6 km away
  53. 2.47 km W of Cobb, California · 15884 days ago · 3 km deep · 74 km away
  54. 1.87 km WSW of Cobb, California · 15883 days ago · 2 km deep · 75 km away
  55. 1.96 km W of Cobb, California · 15883 days ago · 1 km deep · 74 km away
  56. 1.59 km WSW of Cobb, California · 15883 days ago · 3 km deep · 73 km away
  57. 1.64 km W of Cobb, California · 15882 days ago · 0 km deep · 74 km away
  58. 1.77 km W of Cobb, California · 15881 days ago · 3 km deep · 73 km away
  59. 1.57 km W of Cobb, California · 15881 days ago · 3 km deep · 73 km away
  60. 1.86 km W of Cobb, California · 15881 days ago · 3 km deep · 73 km away

The first 60 of 148.

Before

  1. 2.07 km W of Cobb, California · 15906 days ago · 3 km deep · 73 km away
  2. 2.012 km SSW of Laytonville, California · 15906 days ago · -1 km deep · 31 km away
  3. 2.56 km WSW of Cobb, California · 15906 days ago · 3 km deep · 75 km away
  4. 2.213 km SSW of Laytonville, California · 15906 days ago · 3 km deep · 31 km away
  5. 1.79 km NE of Hidden Valley Lake, California · 15906 days ago · 4 km deep · 88 km away
  6. 1.87 km WSW of Cobb, California · 15906 days ago · 1 km deep · 75 km away
  7. 3.06 km W of Cobb, California · 15906 days ago · 3 km deep · 73 km away
  8. 1.77 km NE of Clearlake, California · 15907 days ago · -1 km deep · 73 km away
  9. 1.66 km W of Cobb, California · 15907 days ago · 4 km deep · 74 km away
  10. 1.86 km W of Cobb, California · 15907 days ago · 1 km deep · 73 km away
  11. 1.96 km W of Cobb, California · 15907 days ago · 3 km deep · 73 km away
  12. 2.47 km E of Clearlake Oaks, California · 15908 days ago · -1 km deep · 72 km away
  13. 1.97 km NNE of Clearlake, California · 15908 days ago · -1 km deep · 72 km away
  14. 1.67 km W of Cobb, California · 15908 days ago · 3 km deep · 73 km away
  15. 3.07 km WSW of Cobb, California · 15909 days ago · 4 km deep · 74 km away
  16. 2.37 km WSW of Cobb, California · 15909 days ago · 6 km deep · 75 km away
  17. 2.57 km W of Cobb, California · 15910 days ago · 3 km deep · 74 km away
  18. 2.016 km ESE of Laytonville, California · 15912 days ago · 5 km deep · 31 km away
  19. 2.39 km ESE of Hidden Valley Lake, California · 15912 days ago · 7 km deep · 97 km away
  20. 1.610 km ESE of Hidden Valley Lake, California · 15912 days ago · 6 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1089091. Read Mon, Sep 28, 2026, 11:42 PM UTC.