California earthquakes

M2.8 earthquake 4 km WSW of Cobb, California

A magnitude 2.8 earthquake struck 4 km WSW of Cobb, California on Sat, Jul 10, 1982, 6:14 AM PDT (13:14 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M2.8 5 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
2.8 (md), micro
Local time
UTC
1982-07-10 13:14:34 UTC
Depth
1.3 km (0.8 mi), shallow
Epicenter
38.804° N, 122.773° 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 0.1 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
40°
Stations used
45

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 129 in the 60 days after this one and 61 in the 30 days before it.

After

  1. 2.216 km NE of Upper Lake, California · 16145 days ago · 5 km deep · 52 km away
  2. 1.615 km NE of Potter Valley, California · 16145 days ago · 1 km deep · 72 km away
  3. 2.43 km WSW of Moskowite Corner, California · 16145 days ago · 9 km deep · 63 km away
  4. 2.48 km SW of Willows, California · 16144 days ago · 25 km deep · 86 km away
  5. 1.6Northern California · 16144 days ago · 11 km deep · 81 km away
  6. 2.012 km N of Brooktrails, California · 16144 days ago · 8 km deep · 98 km away
  7. 2.85 km WSW of Moskowite Corner, California · 16144 days ago · 10 km deep · 61 km away
  8. 1.67 km NNW of Geyserville, California · 16144 days ago · 3 km deep · 13 km away
  9. 2.38 km ESE of Cloverdale, California · 16144 days ago · 5 km deep · 13 km away
  10. 2.28 km NNW of Geyserville, California · 16144 days ago · 3 km deep · 13 km away
  11. 1.816 km NNE of Upper Lake, California · 16144 days ago · 14 km deep · 54 km away
  12. 1.612 km ENE of Angwin, California · 16143 days ago · -1 km deep · 45 km away
  13. 1.68 km ESE of Cloverdale, California · 16143 days ago · 6 km deep · 14 km away
  14. 1.65 km SW of Cobb, California · 16143 days ago · -1 km deep · 2 km away
  15. 2.02 km ESE of Deer Park, California · 16143 days ago · 11 km deep · 43 km away
  16. 2.10 km NE of North Lakeport, California · 16143 days ago · 19 km deep · 34 km away
  17. 2.422 km NNE of Potter Valley, California · 16142 days ago · 1 km deep · 79 km away
  18. 1.723 km NNE of Potter Valley, California · 16142 days ago · 4 km deep · 83 km away
  19. 2.118 km NNE of Nice, California · 16142 days ago · 6 km deep · 51 km away
  20. 2.018 km NNE of Nice, California · 16142 days ago · 8 km deep · 51 km away
  21. 2.217 km NNE of Nice, California · 16142 days ago · 13 km deep · 51 km away
  22. 1.64 km WNW of Ukiah, California · 16141 days ago · 5 km deep · 58 km away
  23. 1.54 km WNW of Ukiah, California · 16141 days ago · 4 km deep · 58 km away
  24. 1.82 km SW of American Canyon, California · 16140 days ago · 9 km deep · 84 km away
  25. 2.35 km SW of Cobb, California · 16138 days ago · 0 km deep · 2 km away
  26. 1.87 km W of Cobb, California · 16138 days ago · 3 km deep · 4 km away
  27. 1.56 km W of Cobb, California · 16138 days ago · 3 km deep · 2 km away
  28. 2.06 km NE of Cloverdale, California · 16137 days ago · 4 km deep · 18 km away
  29. 1.96 km S of Monument Hills, California · 16135 days ago · 6 km deep · 80 km away
  30. 1.513 km NNW of Moskowite Corner, California · 16135 days ago · 3 km deep · 52 km away
  31. 2.09 km WNW of Cobb, California · 16134 days ago · 1 km deep · 7 km away
  32. 1.57 km WSW of Cobb, California · 16132 days ago · 3 km deep · 3 km away
  33. 2.012 km SSW of Hopland, California · 16131 days ago · 0 km deep · 33 km away
  34. 1.84 km E of Point Arena, California · 16130 days ago · 3 km deep · 76 km away
  35. 1.59 km WSW of Cobb, California · 16130 days ago · 1 km deep · 5 km away
  36. 1.75 km SW of Cobb, California · 16129 days ago · 1 km deep · 1 km away
  37. 1.56 km SW of Cobb, California · 16129 days ago · 2 km deep · 3 km away
  38. 1.910 km SE of Hopland, California · 16129 days ago · 7 km deep · 25 km away
  39. 2.217 km NE of Upper Lake, California · 16128 days ago · 7 km deep · 54 km away
  40. 1.7Northern California · 16128 days ago · 11 km deep · 78 km away
  41. 1.75 km NNE of Clearlake, California · 16128 days ago · 2 km deep · 27 km away
  42. 2.220 km W of Elk Creek, California · 16124 days ago · 5 km deep · 90 km away
  43. 1.924 km NE of Potter Valley, California · 16124 days ago · 9 km deep · 78 km away
  44. 3.014 km WSW of Elk Creek, California · 16123 days ago · -1 km deep · 84 km away
  45. 2.15 km WSW of Cobb, California · 16123 days ago · 0 km deep · 1 km away
  46. 1.918 km NNE of Upper Lake, California · 16123 days ago · 7 km deep · 57 km away
  47. 2.52 km WNW of Cobb, California · 16123 days ago · 2 km deep · 3 km away
  48. 1.73 km SW of Rutherford, California · 16122 days ago · 4 km deep · 50 km away
  49. 1.98 km E of Lower Lake, California · 16122 days ago · 6 km deep · 26 km away
  50. 2.27 km E of Lower Lake, California · 16122 days ago · -1 km deep · 25 km away
  51. 2.08 km E of Lower Lake, California · 16122 days ago · 3 km deep · 26 km away
  52. 1.76 km ENE of Lower Lake, California · 16122 days ago · 2 km deep · 25 km away
  53. 2.48 km E of Lower Lake, California · 16122 days ago · 1 km deep · 26 km away
  54. 1.87 km E of Lower Lake, California · 16122 days ago · 2 km deep · 25 km away
  55. 1.66 km W of Cobb, California · 16121 days ago · 3 km deep · 3 km away
  56. 1.67 km WSW of Cobb, California · 16121 days ago · 3 km deep · 2 km away
  57. 2.04 km SE of Clear Lake Riviera, California · 16121 days ago · 2 km deep · 16 km away
  58. 2.65 km SE of Clear Lake Riviera, California · 16120 days ago · 0 km deep · 15 km away
  59. 2.24 km SE of Clear Lake Riviera, California · 16120 days ago · 2 km deep · 15 km away
  60. 3.04 km SE of Clear Lake Riviera, California · 16120 days ago · 3 km deep · 15 km away

The first 60 of 129.

Before

  1. 1.79 km SE of Hopland, California · 16147 days ago · 6 km deep · 26 km away
  2. 1.924 km SE of Covelo, California · 16147 days ago · 5 km deep · 95 km away
  3. 1.84 km SSE of Calpella, California · 16148 days ago · 3 km deep · 56 km away
  4. 1.73 km WSW of Oakville, California · 16148 days ago · 7 km deep · 51 km away
  5. 1.77 km W of Cobb, California · 16148 days ago · 2 km deep · 3 km away
  6. 1.87 km ESE of Willits, California · 16148 days ago · 2 km deep · 77 km away
  7. 1.56 km ENE of Hopland, California · 16148 days ago · 5 km deep · 32 km away
  8. 1.612 km NE of Cloverdale, California · 16151 days ago · 3 km deep · 15 km away
  9. 2.76 km N of Princeton, California · 16151 days ago · 16 km deep · 98 km away
  10. 1.77 km ESE of Geyserville, California · 16151 days ago · 6 km deep · 14 km away
  11. 1.71 km NNW of Larkfield-Wikiup, California · 16152 days ago · 5 km deep · 31 km away
  12. 1.94 km SSE of Calpella, California · 16152 days ago · 5 km deep · 56 km away
  13. 2.66 km W of Cobb, California · 16153 days ago · 4 km deep · 2 km away
  14. 2.95 km WSW of Cobb, California · 16153 days ago · 2 km deep · 1 km away
  15. 1.99 km E of Lower Lake, California · 16154 days ago · 1 km deep · 26 km away
  16. 1.65 km WSW of Cobb, California · 16156 days ago · 0 km deep · 1 km away
  17. 2.26 km W of Cobb, California · 16156 days ago · 2 km deep · 2 km away
  18. 1.77 km SE of Hopland, California · 16157 days ago · 6 km deep · 28 km away
  19. 1.61 km NE of Calpella, California · 16157 days ago · 8 km deep · 61 km away
  20. 1.818 km E of Potter Valley, California · 16158 days ago · 9 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1076104. Read Tue, Sep 22, 2026, 8:36 PM UTC.