California earthquakes

M2.1 earthquake 8 km ESE of Willits, California

A magnitude 2.1 earthquake struck 8 km ESE of Willits, California on Sat, Aug 21, 1982, 10:38 AM PDT (17:38 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M4.0 2 km NNE of Elk Creek, 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
2.1 (md), micro
Local time
UTC
1982-08-21 17:38:47 UTC
Depth
1.9 km (1.2 mi), shallow
Epicenter
39.377° N, 123.269° 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, 1.5 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
71°
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 93 in the 60 days after this one and 65 in the 30 days before it.

After

  1. 2.49 km WSW of Cobb, California · 16105 days ago · 2 km deep · 74 km away
  2. 1.98 km SE of Laytonville, California · 16105 days ago · 5 km deep · 32 km away
  3. 1.821 km NE of Potter Valley, California · 16104 days ago · 7 km deep · 30 km away
  4. 1.66 km W of Cobb, California · 16103 days ago · 3 km deep · 74 km away
  5. 2.35 km WSW of Cobb, California · 16102 days ago · 1 km deep · 77 km away
  6. 2.11 km ENE of Clear Lake Riviera, California · 16102 days ago · 2 km deep · 67 km away
  7. 2.824 km SE of Covelo, California · 16101 days ago · 8 km deep · 31 km away
  8. 1.86 km W of Cobb, California · 16101 days ago · 3 km deep · 74 km away
  9. 1.88 km NE of Hopland, California · 16101 days ago · 5 km deep · 42 km away
  10. 1.57 km ENE of Willits, California · 16101 days ago · 8 km deep · 5 km away
  11. 1.618 km NE of Clearlake, California · 16100 days ago · 21 km deep · 79 km away
  12. 2.28 km NE of Hopland, California · 16098 days ago · 5 km deep · 43 km away
  13. 1.625 km NE of Potter Valley, California · 16097 days ago · 11 km deep · 32 km away
  14. 1.616 km ESE of Cleone, California · 16097 days ago · 4 km deep · 29 km away
  15. 1.98 km E of Willits, California · 16095 days ago · 7 km deep · 3 km away
  16. 2.018 km WSW of Lodoga, California · 16094 days ago · 10 km deep · 54 km away
  17. 1.74 km SSE of Kelseyville, California · 16094 days ago · -1 km deep · 62 km away
  18. 1.94 km WSW of Cobb, California · 16093 days ago · 0 km deep · 77 km away
  19. 1.63 km ESE of Lakeport, California · 16093 days ago · 8 km deep · 52 km away
  20. 4.02 km NNE of Elk Creek, California · 16092 days ago · 13 km deep · 69 km away
  21. 1.719 km NNE of Upper Lake, California · 16091 days ago · 13 km deep · 42 km away
  22. 1.717 km E of Lower Lake, California · 16090 days ago · 2 km deep · 89 km away
  23. 1.52 km W of Redwood Valley, California · 16089 days ago · 6 km deep · 13 km away
  24. 1.519 km NNE of Upper Lake, California · 16089 days ago · 12 km deep · 42 km away
  25. 1.822 km WNW of Elk Creek, California · 16088 days ago · 6 km deep · 51 km away
  26. 2.022 km W of Elk Creek, California · 16088 days ago · 10 km deep · 48 km away
  27. 1.96 km WNW of Cobb, California · 16087 days ago · 1 km deep · 72 km away
  28. 3.018 km NE of Upper Lake, California · 16086 days ago · 15 km deep · 42 km away
  29. 2.318 km NNE of Upper Lake, California · 16086 days ago · 8 km deep · 41 km away
  30. 2.36 km W of Cobb, California · 16086 days ago · 3 km deep · 74 km away
  31. 1.66 km W of Cobb, California · 16086 days ago · 3 km deep · 74 km away
  32. 1.78 km SE of Laytonville, California · 16086 days ago · 6 km deep · 32 km away
  33. 1.912 km N of Brooktrails, California · 16085 days ago · 7 km deep · 21 km away
  34. 1.69 km SW of Clear Lake Riviera, California · 16084 days ago · -1 km deep · 68 km away
  35. 1.912 km WSW of Hopland, California · 16082 days ago · 6 km deep · 51 km away
  36. 1.66 km W of Cobb, California · 16082 days ago · 2 km deep · 75 km away
  37. 1.93 km E of Fort Bragg, California · 16081 days ago · 3 km deep · 43 km away
  38. 1.57 km NW of Laytonville, California · 16081 days ago · 5 km deep · 46 km away
  39. 3.025 km SE of Covelo, California · 16079 days ago · 7 km deep · 31 km away
  40. 3.025 km SE of Covelo, California · 16079 days ago · 8 km deep · 31 km away
  41. 2.77 km W of Cobb, California · 16079 days ago · 1 km deep · 73 km away
  42. 1.925 km SE of Covelo, California · 16079 days ago · 6 km deep · 31 km away
  43. 2.36 km SSE of Cobb, California · 16078 days ago · 1 km deep · 83 km away
  44. 2.46 km W of Cobb, California · 16078 days ago · -1 km deep · 73 km away
  45. 1.97 km W of Cobb, California · 16078 days ago · -1 km deep · 73 km away
  46. 1.75 km SW of Cobb, California · 16077 days ago · 1 km deep · 78 km away
  47. 2.06 km WSW of Cobb, California · 16077 days ago · 6 km deep · 77 km away
  48. 1.615 km SSW of Laytonville, California · 16076 days ago · 5 km deep · 34 km away
  49. 2.15 km WSW of Cobb, California · 16076 days ago · 0 km deep · 77 km away
  50. 1.88 km ESE of Hidden Valley Lake, California · 16074 days ago · 7 km deep · 96 km away
  51. 1.88 km W of Cobb, California · 16074 days ago · 1 km deep · 72 km away
  52. 2.39 km ESE of Hidden Valley Lake, California · 16072 days ago · 7 km deep · 96 km away
  53. 2.110 km ESE of Hidden Valley Lake, California · 16072 days ago · 7 km deep · 98 km away
  54. 1.54 km S of Cobb, California · 16071 days ago · -1 km deep · 81 km away
  55. 2.08 km NNW of Leggett, California · 16071 days ago · -1 km deep · 74 km away
  56. 1.824 km SE of Covelo, California · 16071 days ago · 6 km deep · 31 km away
  57. 2.024 km SE of Covelo, California · 16071 days ago · 6 km deep · 31 km away
  58. 2.124 km SE of Covelo, California · 16071 days ago · 6 km deep · 31 km away
  59. 1.823 km SE of Covelo, California · 16071 days ago · 0 km deep · 33 km away
  60. 2.024 km SE of Covelo, California · 16071 days ago · 4 km deep · 31 km away

The first 60 of 93.

Before

  1. 2.92 km SW of Lakeport, California · 16105 days ago · 17 km deep · 48 km away
  2. 2.10 km W of Lakeport, California · 16105 days ago · 19 km deep · 48 km away
  3. 2.76 km WSW of Cobb, California · 16107 days ago · 3 km deep · 76 km away
  4. 2.717 km WNW of Elk Creek, California · 16109 days ago · -1 km deep · 56 km away
  5. 1.77 km WSW of Cobb, California · 16109 days ago · 1 km deep · 75 km away
  6. 1.624 km NE of Potter Valley, California · 16109 days ago · 10 km deep · 30 km away
  7. 2.33 km SSE of Point Arena, California · 16110 days ago · 4 km deep · 66 km away
  8. 1.86 km WSW of Cobb, California · 16111 days ago · 0 km deep · 76 km away
  9. 1.83 km SE of Clear Lake Riviera, California · 16112 days ago · -1 km deep · 70 km away
  10. 1.720 km W of Elk Creek, California · 16114 days ago · 4 km deep · 50 km away
  11. 2.26 km W of Cobb, California · 16115 days ago · 3 km deep · 75 km away
  12. 2.637 km ESE of Ruth, California · 16117 days ago · 10 km deep · 84 km away
  13. 2.022 km NE of Potter Valley, California · 16118 days ago · 1 km deep · 30 km away
  14. 2.76 km W of Cobb, California · 16118 days ago · 4 km deep · 75 km away
  15. 2.44 km N of Redway, California · 16119 days ago · 18 km deep · 98 km away
  16. 1.65 km SW of Cobb, California · 16119 days ago · 0 km deep · 79 km away
  17. 2.35 km SW of Cobb, California · 16120 days ago · 1 km deep · 78 km away
  18. 1.75 km SW of Cobb, California · 16120 days ago · -1 km deep · 78 km away
  19. 1.85 km SW of Cobb, California · 16120 days ago · 0 km deep · 78 km away
  20. 2.45 km SW of Cobb, California · 16120 days ago · -1 km deep · 79 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1077853. Read Thu, Sep 24, 2026, 12:34 PM UTC.