California earthquakes

M2.5 earthquake 2 km WNW of Cobb, California

A magnitude 2.5 earthquake struck 2 km WNW of Cobb, California on Mon, Aug 2, 1982, 1:14 AM PDT (08:14 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M2.6 5 km SE of Clear Lake Riviera, 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
2.5 (md), micro
Local time
UTC
1982-08-02 08:14:40 UTC
Depth
2.1 km (1.3 mi), shallow
Epicenter
38.830° N, 122.755° 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, 0.5 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
52°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 122 in the 60 days after this one and 60 in the 30 days before it.

After

  1. 1.73 km SW of Rutherford, California · 16122 days ago · 4 km deep · 51 km away
  2. 1.98 km E of Lower Lake, California · 16122 days ago · 6 km deep · 24 km away
  3. 2.27 km E of Lower Lake, California · 16122 days ago · -1 km deep · 22 km away
  4. 2.08 km E of Lower Lake, California · 16122 days ago · 3 km deep · 23 km away
  5. 1.76 km ENE of Lower Lake, California · 16122 days ago · 2 km deep · 22 km away
  6. 2.48 km E of Lower Lake, California · 16122 days ago · 1 km deep · 23 km away
  7. 1.87 km E of Lower Lake, California · 16122 days ago · 2 km deep · 22 km away
  8. 1.66 km W of Cobb, California · 16121 days ago · 3 km deep · 4 km away
  9. 1.67 km WSW of Cobb, California · 16121 days ago · 3 km deep · 5 km away
  10. 2.04 km SE of Clear Lake Riviera, California · 16121 days ago · 2 km deep · 13 km away
  11. 2.65 km SE of Clear Lake Riviera, California · 16121 days ago · 0 km deep · 12 km away
  12. 2.24 km SE of Clear Lake Riviera, California · 16120 days ago · 2 km deep · 12 km away
  13. 3.04 km SE of Clear Lake Riviera, California · 16120 days ago · 3 km deep · 12 km away
  14. 1.94 km SE of Clear Lake Riviera, California · 16120 days ago · 1 km deep · 12 km away
  15. 1.76 km ENE of Willits, California · 16120 days ago · -1 km deep · 82 km away
  16. 2.74 km SE of Clear Lake Riviera, California · 16120 days ago · 3 km deep · 12 km away
  17. 1.63 km SSE of Clear Lake Riviera, California · 16120 days ago · -1 km deep · 11 km away
  18. 1.84 km SSE of Clear Lake Riviera, California · 16120 days ago · 0 km deep · 11 km away
  19. 2.44 km SE of Clear Lake Riviera, California · 16120 days ago · 1 km deep · 12 km away
  20. 2.14 km SE of Clear Lake Riviera, California · 16120 days ago · 2 km deep · 12 km away
  21. 1.94 km SE of Clear Lake Riviera, California · 16120 days ago · 2 km deep · 12 km away
  22. 1.64 km SE of Clear Lake Riviera, California · 16120 days ago · 2 km deep · 12 km away
  23. 1.85 km SE of Clear Lake Riviera, California · 16119 days ago · 4 km deep · 12 km away
  24. 1.83 km SSE of Clear Lake Riviera, California · 16119 days ago · 1 km deep · 11 km away
  25. 1.68 km WSW of Cobb, California · 16119 days ago · 3 km deep · 6 km away
  26. 2.86 km W of Cobb, California · 16119 days ago · 3 km deep · 4 km away
  27. 1.66 km SW of Cobb, California · 16118 days ago · 2 km deep · 6 km away
  28. 2.45 km SW of Cobb, California · 16118 days ago · -1 km deep · 5 km away
  29. 1.85 km SW of Cobb, California · 16118 days ago · 0 km deep · 5 km away
  30. 1.75 km SW of Cobb, California · 16118 days ago · -1 km deep · 5 km away
  31. 2.35 km SW of Cobb, California · 16118 days ago · 1 km deep · 5 km away
  32. 1.65 km SW of Cobb, California · 16118 days ago · 0 km deep · 5 km away
  33. 1.9Northern California · 16117 days ago · 3 km deep · 84 km away
  34. 2.76 km W of Cobb, California · 16117 days ago · 4 km deep · 4 km away
  35. 2.022 km NE of Potter Valley, California · 16116 days ago · 1 km deep · 73 km away
  36. 2.02 km NW of Glen Ellen, California · 16115 days ago · 8 km deep · 53 km away
  37. 1.82 km NNW of Glen Ellen, California · 16115 days ago · 10 km deep · 53 km away
  38. 1.92 km NW of Glen Ellen, California · 16115 days ago · 9 km deep · 53 km away
  39. 2.26 km W of Cobb, California · 16114 days ago · 3 km deep · 4 km away
  40. 1.720 km W of Elk Creek, California · 16112 days ago · 4 km deep · 87 km away
  41. 2.44 km SW of Green Valley, California · 16111 days ago · 12 km deep · 84 km away
  42. 1.83 km SE of Clear Lake Riviera, California · 16111 days ago · -1 km deep · 13 km away
  43. 1.86 km WSW of Cobb, California · 16109 days ago · 0 km deep · 4 km away
  44. 2.33 km SSE of Point Arena, California · 16109 days ago · 4 km deep · 80 km away
  45. 1.82 km NNE of Princeton, California · 16108 days ago · 12 km deep · 93 km away
  46. 1.624 km NE of Potter Valley, California · 16108 days ago · 10 km deep · 76 km away
  47. 1.77 km WSW of Cobb, California · 16107 days ago · 1 km deep · 5 km away
  48. 2.717 km WNW of Elk Creek, California · 16107 days ago · -1 km deep · 92 km away
  49. 2.76 km WSW of Cobb, California · 16106 days ago · 3 km deep · 4 km away
  50. 2.10 km W of Lakeport, California · 16103 days ago · 19 km deep · 28 km away
  51. 2.92 km SW of Lakeport, California · 16103 days ago · 17 km deep · 27 km away
  52. 2.18 km ESE of Willits, California · 16103 days ago · 2 km deep · 75 km away
  53. 2.49 km WSW of Cobb, California · 16103 days ago · 2 km deep · 7 km away
  54. 1.821 km NE of Potter Valley, California · 16102 days ago · 7 km deep · 72 km away
  55. 1.66 km W of Cobb, California · 16101 days ago · 3 km deep · 4 km away
  56. 2.35 km WSW of Cobb, California · 16101 days ago · 1 km deep · 4 km away
  57. 2.11 km ENE of Clear Lake Riviera, California · 16100 days ago · 2 km deep · 15 km away
  58. 2.824 km SE of Covelo, California · 16099 days ago · 8 km deep · 92 km away
  59. 1.86 km W of Cobb, California · 16099 days ago · 3 km deep · 4 km away
  60. 1.88 km NE of Hopland, California · 16099 days ago · 5 km deep · 35 km away

The first 60 of 122.

Before

  1. 1.918 km NNE of Upper Lake, California · 16123 days ago · 7 km deep · 55 km away
  2. 2.15 km WSW of Cobb, California · 16123 days ago · 0 km deep · 4 km away
  3. 3.014 km WSW of Elk Creek, California · 16124 days ago · -1 km deep · 81 km away
  4. 1.924 km NE of Potter Valley, California · 16124 days ago · 9 km deep · 76 km away
  5. 2.220 km W of Elk Creek, California · 16124 days ago · 5 km deep · 87 km away
  6. 1.75 km NNE of Clearlake, California · 16128 days ago · 2 km deep · 23 km away
  7. 1.7Northern California · 16128 days ago · 11 km deep · 75 km away
  8. 2.217 km NE of Upper Lake, California · 16128 days ago · 7 km deep · 52 km away
  9. 1.910 km SE of Hopland, California · 16129 days ago · 7 km deep · 25 km away
  10. 1.56 km SW of Cobb, California · 16129 days ago · 2 km deep · 6 km away
  11. 1.75 km SW of Cobb, California · 16129 days ago · 1 km deep · 5 km away
  12. 1.59 km WSW of Cobb, California · 16130 days ago · 1 km deep · 8 km away
  13. 1.84 km E of Point Arena, California · 16130 days ago · 3 km deep · 77 km away
  14. 2.012 km SSW of Hopland, California · 16131 days ago · 0 km deep · 34 km away
  15. 1.57 km WSW of Cobb, California · 16132 days ago · 3 km deep · 6 km away
  16. 2.09 km WNW of Cobb, California · 16135 days ago · 1 km deep · 6 km away
  17. 1.513 km NNW of Moskowite Corner, California · 16135 days ago · 3 km deep · 52 km away
  18. 1.96 km S of Monument Hills, California · 16135 days ago · 6 km deep · 79 km away
  19. 2.06 km NE of Cloverdale, California · 16137 days ago · 4 km deep · 19 km away
  20. 1.56 km W of Cobb, California · 16138 days ago · 3 km deep · 4 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1076846. Read Tue, Sep 22, 2026, 9:29 PM UTC.