California earthquakes

M2.0 earthquake 9 km WNW of Cobb, California

A magnitude 2.0 earthquake struck 9 km WNW of Cobb, California on Wed, Jul 21, 1982, 2:11 AM PDT (09:11 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M2.0 12 km SSW of Hopland, 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
2.0 (md), micro
Local time
UTC
1982-07-21 09:11:49 UTC
Depth
1.0 km (0.6 mi), shallow
Epicenter
38.852° N, 122.821° 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, 0.4 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
125°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 120 in the 60 days after this one and 66 in the 30 days before it.

After

  1. 1.57 km WSW of Cobb, California · 16132 days ago · 3 km deep · 6 km away
  2. 2.012 km SSW of Hopland, California · 16131 days ago · 0 km deep · 28 km away
  3. 1.84 km E of Point Arena, California · 16130 days ago · 3 km deep · 71 km away
  4. 1.59 km WSW of Cobb, California · 16130 days ago · 1 km deep · 6 km away
  5. 1.75 km SW of Cobb, California · 16129 days ago · 1 km deep · 8 km away
  6. 1.56 km SW of Cobb, California · 16129 days ago · 2 km deep · 9 km away
  7. 1.910 km SE of Hopland, California · 16129 days ago · 7 km deep · 19 km away
  8. 2.217 km NE of Upper Lake, California · 16128 days ago · 7 km deep · 49 km away
  9. 1.7Northern California · 16128 days ago · 11 km deep · 72 km away
  10. 1.75 km NNE of Clearlake, California · 16128 days ago · 2 km deep · 25 km away
  11. 2.220 km W of Elk Creek, California · 16124 days ago · 5 km deep · 84 km away
  12. 1.924 km NE of Potter Valley, California · 16124 days ago · 9 km deep · 72 km away
  13. 3.014 km WSW of Elk Creek, California · 16123 days ago · -1 km deep · 80 km away
  14. 2.15 km WSW of Cobb, California · 16123 days ago · 0 km deep · 7 km away
  15. 1.918 km NNE of Upper Lake, California · 16123 days ago · 7 km deep · 52 km away
  16. 2.52 km WNW of Cobb, California · 16123 days ago · 2 km deep · 6 km away
  17. 1.73 km SW of Rutherford, California · 16122 days ago · 4 km deep · 56 km away
  18. 1.98 km E of Lower Lake, California · 16122 days ago · 6 km deep · 28 km away
  19. 2.27 km E of Lower Lake, California · 16122 days ago · -1 km deep · 27 km away
  20. 2.08 km E of Lower Lake, California · 16122 days ago · 3 km deep · 27 km away
  21. 1.76 km ENE of Lower Lake, California · 16122 days ago · 2 km deep · 26 km away
  22. 2.48 km E of Lower Lake, California · 16122 days ago · 1 km deep · 28 km away
  23. 1.87 km E of Lower Lake, California · 16122 days ago · 2 km deep · 27 km away
  24. 1.66 km W of Cobb, California · 16121 days ago · 3 km deep · 4 km away
  25. 1.67 km WSW of Cobb, California · 16121 days ago · 3 km deep · 6 km away
  26. 2.04 km SE of Clear Lake Riviera, California · 16121 days ago · 2 km deep · 15 km away
  27. 2.65 km SE of Clear Lake Riviera, California · 16120 days ago · 0 km deep · 15 km away
  28. 2.24 km SE of Clear Lake Riviera, California · 16120 days ago · 2 km deep · 14 km away
  29. 3.04 km SE of Clear Lake Riviera, California · 16120 days ago · 3 km deep · 14 km away
  30. 1.94 km SE of Clear Lake Riviera, California · 16120 days ago · 1 km deep · 15 km away
  31. 1.76 km ENE of Willits, California · 16120 days ago · -1 km deep · 76 km away
  32. 2.74 km SE of Clear Lake Riviera, California · 16120 days ago · 3 km deep · 14 km away
  33. 1.63 km SSE of Clear Lake Riviera, California · 16120 days ago · -1 km deep · 13 km away
  34. 1.84 km SSE of Clear Lake Riviera, California · 16120 days ago · 0 km deep · 13 km away
  35. 2.44 km SE of Clear Lake Riviera, California · 16120 days ago · 1 km deep · 14 km away
  36. 2.14 km SE of Clear Lake Riviera, California · 16120 days ago · 2 km deep · 14 km away
  37. 1.94 km SE of Clear Lake Riviera, California · 16120 days ago · 2 km deep · 14 km away
  38. 1.64 km SE of Clear Lake Riviera, California · 16120 days ago · 2 km deep · 15 km away
  39. 1.85 km SE of Clear Lake Riviera, California · 16119 days ago · 4 km deep · 14 km away
  40. 1.83 km SSE of Clear Lake Riviera, California · 16119 days ago · 1 km deep · 13 km away
  41. 1.68 km WSW of Cobb, California · 16119 days ago · 3 km deep · 6 km away
  42. 2.86 km W of Cobb, California · 16118 days ago · 3 km deep · 4 km away
  43. 1.66 km SW of Cobb, California · 16118 days ago · 2 km deep · 8 km away
  44. 2.45 km SW of Cobb, California · 16118 days ago · -1 km deep · 9 km away
  45. 1.85 km SW of Cobb, California · 16118 days ago · 0 km deep · 8 km away
  46. 1.75 km SW of Cobb, California · 16118 days ago · -1 km deep · 8 km away
  47. 2.35 km SW of Cobb, California · 16118 days ago · 1 km deep · 8 km away
  48. 1.65 km SW of Cobb, California · 16118 days ago · 0 km deep · 9 km away
  49. 1.9Northern California · 16117 days ago · 3 km deep · 90 km away
  50. 2.76 km W of Cobb, California · 16116 days ago · 4 km deep · 5 km away
  51. 2.022 km NE of Potter Valley, California · 16116 days ago · 1 km deep · 70 km away
  52. 2.02 km NW of Glen Ellen, California · 16115 days ago · 8 km deep · 57 km away
  53. 1.82 km NNW of Glen Ellen, California · 16115 days ago · 10 km deep · 57 km away
  54. 1.92 km NW of Glen Ellen, California · 16115 days ago · 9 km deep · 58 km away
  55. 2.26 km W of Cobb, California · 16114 days ago · 3 km deep · 5 km away
  56. 1.720 km W of Elk Creek, California · 16112 days ago · 4 km deep · 84 km away
  57. 2.44 km SW of Green Valley, California · 16111 days ago · 12 km deep · 89 km away
  58. 1.83 km SE of Clear Lake Riviera, California · 16111 days ago · -1 km deep · 15 km away
  59. 1.86 km WSW of Cobb, California · 16109 days ago · 0 km deep · 6 km away
  60. 2.33 km SSE of Point Arena, California · 16109 days ago · 4 km deep · 74 km away

The first 60 of 120.

Before

  1. 1.513 km NNW of Moskowite Corner, California · 16135 days ago · 3 km deep · 58 km away
  2. 1.96 km S of Monument Hills, California · 16135 days ago · 6 km deep · 86 km away
  3. 2.06 km NE of Cloverdale, California · 16137 days ago · 4 km deep · 13 km away
  4. 2.09 km SSE of Laytonville, California · 16137 days ago · 8 km deep · 99 km away
  5. 1.56 km W of Cobb, California · 16138 days ago · 3 km deep · 5 km away
  6. 1.87 km W of Cobb, California · 16138 days ago · 3 km deep · 4 km away
  7. 2.35 km SW of Cobb, California · 16138 days ago · 0 km deep · 8 km away
  8. 1.82 km SW of American Canyon, California · 16140 days ago · 9 km deep · 91 km away
  9. 1.714 km N of Brooktrails, California · 16141 days ago · 10 km deep · 94 km away
  10. 1.54 km WNW of Ukiah, California · 16141 days ago · 4 km deep · 51 km away
  11. 1.64 km WNW of Ukiah, California · 16141 days ago · 5 km deep · 52 km away
  12. 2.217 km NNE of Nice, California · 16142 days ago · 13 km deep · 46 km away
  13. 2.018 km NNE of Nice, California · 16142 days ago · 8 km deep · 47 km away
  14. 2.118 km NNE of Nice, California · 16142 days ago · 6 km deep · 46 km away
  15. 1.723 km NNE of Potter Valley, California · 16142 days ago · 4 km deep · 77 km away
  16. 2.422 km NNE of Potter Valley, California · 16142 days ago · 1 km deep · 73 km away
  17. 2.10 km NE of North Lakeport, California · 16143 days ago · 19 km deep · 27 km away
  18. 2.02 km ESE of Deer Park, California · 16143 days ago · 11 km deep · 49 km away
  19. 1.65 km SW of Cobb, California · 16143 days ago · -1 km deep · 8 km away
  20. 1.68 km ESE of Cloverdale, California · 16143 days ago · 6 km deep · 12 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1076455. Read Tue, Sep 22, 2026, 8:36 PM UTC.