California earthquakes

M2.3 earthquake 7 km W of Cobb, California

A magnitude 2.3 earthquake struck 7 km W of Cobb, California on Thu, Oct 28, 1982, 8:35 AM PDT (15:35 UTC), 1 km (0 mi) below the surface.

A larger quake followed: M3.5 6 km WNW of Williams, 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.

Open the live map with earthquakes

The earthquake

Magnitude
2.3 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1982-10-28 15:35:23 UTC
Depth
0.6 km (0.4 mi), shallow
Epicenter
38.818° N, 122.810° 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, 0.5 km in depth
Magnitude uncertainty
±0.50
Depth from
From location
Station coverage gap
85°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 142 in the 60 days after this one and 51 in the 30 days before it.

After

  1. 1.78 km WSW of Cobb, California · 16044 days ago · -1 km deep · 2 km away
  2. 1.85 km SW of Cobb, California · 16044 days ago · -1 km deep · 6 km away
  3. 1.76 km W of Cobb, California · 16043 days ago · 1 km deep · 2 km away
  4. 1.622 km ENE of Potter Valley, California · 16043 days ago · 11 km deep · 66 km away
  5. 2.96 km W of Cobb, California · 16042 days ago · 1 km deep · 1 km away
  6. 2.46 km W of Cobb, California · 16042 days ago · 1 km deep · 1 km away
  7. 1.76 km W of Cobb, California · 16041 days ago · 3 km deep · 1 km away
  8. 2.06 km W of Cobb, California · 16041 days ago · -1 km deep · 2 km away
  9. 1.76 km W of Cobb, California · 16041 days ago · -1 km deep · 2 km away
  10. 2.13 km SSW of Green Valley, California · 16038 days ago · 11 km deep · 86 km away
  11. 1.79 km NW of Princeton, California · 16038 days ago · 13 km deep · 93 km away
  12. 3.23 km W of Moskowite Corner, California · 16038 days ago · 8 km deep · 65 km away
  13. 1.97 km W of Cobb, California · 16037 days ago · 1 km deep · 1 km away
  14. 1.56 km SW of Cobb, California · 16037 days ago · 3 km deep · 5 km away
  15. 2.28 km WSW of Cobb, California · 16036 days ago · 0 km deep · 2 km away
  16. 1.77 km WSW of Cobb, California · 16036 days ago · 0 km deep · 1 km away
  17. 2.06 km W of Cobb, California · 16035 days ago · 1 km deep · 1 km away
  18. 1.66 km W of Cobb, California · 16035 days ago · 2 km deep · 1 km away
  19. 1.612 km ESE of Hidden Valley Lake, California · 16033 days ago · 3 km deep · 34 km away
  20. 2.55 km SW of Cobb, California · 16032 days ago · -1 km deep · 4 km away
  21. 3.35 km WSW of Cobb, California · 16032 days ago · 0 km deep · 4 km away
  22. 1.65 km SW of Cobb, California · 16032 days ago · 0 km deep · 4 km away
  23. 1.6Northern California · 16032 days ago · -1 km deep · 1 km away
  24. 2.16 km NNW of Redwood Valley, California · 16031 days ago · 8 km deep · 66 km away
  25. 2.86 km W of Cobb, California · 16031 days ago · 3 km deep · 2 km away
  26. 2.13 km SE of Larkfield-Wikiup, California · 16031 days ago · 3 km deep · 37 km away
  27. 1.56 km WNW of Cobb, California · 16031 days ago · 0 km deep · 2 km away
  28. 1.67 km WSW of Cobb, California · 16030 days ago · -1 km deep · 2 km away
  29. 1.87 km W of Cobb, California · 16029 days ago · 0 km deep · 1 km away
  30. 1.57 km W of Cobb, California · 16029 days ago · 0 km deep · 1 km away
  31. 1.816 km NE of Upper Lake, California · 16028 days ago · 0 km deep · 51 km away
  32. 1.86 km W of Cobb, California · 16028 days ago · 2 km deep · 1 km away
  33. 2.06 km W of Cobb, California · 16028 days ago · 2 km deep · 1 km away
  34. 2.24 km WSW of Cobb, California · 16028 days ago · 0 km deep · 4 km away
  35. 1.72 km NW of Princeton, California · 16027 days ago · 16 km deep · 95 km away
  36. 1.56 km WSW of Cobb, California · 16026 days ago · 0 km deep · 2 km away
  37. 1.78 km WSW of Cobb, California · 16025 days ago · -1 km deep · 2 km away
  38. 1.66 km W of Cobb, California · 16025 days ago · 0 km deep · 1 km away
  39. 2.016 km NE of Upper Lake, California · 16025 days ago · 1 km deep · 51 km away
  40. 1.67 km WSW of Cobb, California · 16025 days ago · 1 km deep · 1 km away
  41. 1.58 km ENE of Willits, California · 16025 days ago · 9 km deep · 78 km away
  42. 2.04 km ESE of Clearlake Oaks, California · 16024 days ago · 1 km deep · 27 km away
  43. 1.57 km SSW of Calistoga, California · 16024 days ago · 5 km deep · 37 km away
  44. 1.921 km ENE of Potter Valley, California · 16023 days ago · 10 km deep · 63 km away
  45. 1.76 km WSW of Cobb, California · 16022 days ago · 0 km deep · 2 km away
  46. 1.814 km SSE of Laytonville, California · 16022 days ago · 6 km deep · 99 km away
  47. 2.46 km WSW of Cobb, California · 16021 days ago · -1 km deep · 2 km away
  48. 1.96 km WSW of Cobb, California · 16021 days ago · -1 km deep · 4 km away
  49. 1.66 km W of Cobb, California · 16021 days ago · 0 km deep · 2 km away
  50. 1.53 km NNE of Clearlake, California · 16020 days ago · 1 km deep · 25 km away
  51. 1.76 km SW of Cobb, California · 16020 days ago · 0 km deep · 5 km away
  52. 1.67 km ESE of Santa Rosa, California · 16020 days ago · 8 km deep · 47 km away
  53. 1.55 km WSW of Cobb, California · 16020 days ago · 0 km deep · 2 km away
  54. 1.65 km W of Cobb, California · 16019 days ago · 1 km deep · 2 km away
  55. 1.66 km WSW of Cobb, California · 16019 days ago · 0 km deep · 2 km away
  56. 1.97 km WSW of Cobb, California · 16018 days ago · -1 km deep · 1 km away
  57. 1.66 km W of Cobb, California · 16018 days ago · 3 km deep · 1 km away
  58. 1.66 km SW of Hopland, California · 16018 days ago · 4 km deep · 35 km away
  59. 2.25 km ESE of Santa Rosa, California · 16017 days ago · 7 km deep · 47 km away
  60. 1.77 km W of Cobb, California · 16017 days ago · 0 km deep · 0 km away

The first 60 of 142.

Before

  1. 1.77 km W of Cobb, California · 16045 days ago · 1 km deep · 1 km away
  2. 1.519 km NE of Upper Lake, California · 16046 days ago · 12 km deep · 53 km away
  3. 2.34 km S of Cobb, California · 16047 days ago · 2 km deep · 9 km away
  4. 2.4Northern California · 16047 days ago · 5 km deep · 44 km away
  5. 2.02 km SW of Geyserville, California · 16047 days ago · -1 km deep · 17 km away
  6. 1.710 km ESE of Hidden Valley Lake, California · 16047 days ago · 6 km deep · 32 km away
  7. 1.74 km S of Cobb, California · 16047 days ago · 0 km deep · 8 km away
  8. 1.518 km ENE of Potter Valley, California · 16048 days ago · 4 km deep · 63 km away
  9. 2.34 km S of Cobb, California · 16049 days ago · 2 km deep · 9 km away
  10. 1.66 km W of Cobb, California · 16049 days ago · 1 km deep · 2 km away
  11. 1.56 km W of Cobb, California · 16051 days ago · -1 km deep · 1 km away
  12. 2.06 km W of Cobb, California · 16051 days ago · 2 km deep · 1 km away
  13. 1.94 km WSW of Cobb, California · 16051 days ago · 1 km deep · 3 km away
  14. 1.624 km SE of Covelo, California · 16051 days ago · 5 km deep · 92 km away
  15. 2.08 km WSW of Cobb, California · 16052 days ago · 0 km deep · 3 km away
  16. 1.76 km E of Geyserville, California · 16052 days ago · 6 km deep · 11 km away
  17. 1.66 km S of Calistoga, California · 16052 days ago · 6 km deep · 39 km away
  18. 2.2near the coast of Northern California · 16052 days ago · 7 km deep · 77 km away
  19. 2.08 km ESE of Willits, California · 16052 days ago · 2 km deep · 73 km away
  20. 1.67 km WSW of Cobb, California · 16052 days ago · 3 km deep · 2 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1081054. Read Fri, Oct 2, 2026, 10:01 AM UTC.