California earthquakes

M2.3 earthquake 5 km S of Cobb, California

A magnitude 2.3 earthquake struck 5 km S of Cobb, California on Wed, Mar 17, 1982, 2:30 PM PST (22:30 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.6 8 km W of Cobb, 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
2.3 (md), micro
Local time
UTC
1982-03-17 22:30:20 UTC
Depth
1.6 km (1.0 mi), shallow
Epicenter
38.773° N, 122.731° 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, 0.6 km in depth
Magnitude uncertainty
±0.31
Depth from
From location
Station coverage gap
71°
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 119 in the 60 days after this one and 71 in the 30 days before it.

After

  1. 1.925 km SE of Covelo, California · 16266 days ago · 8 km deep · 97 km away
  2. 2.26 km WSW of Cobb, California · 16266 days ago · 0 km deep · 7 km away
  3. 2.07 km WSW of Cobb, California · 16266 days ago · 0 km deep · 7 km away
  4. 1.67 km WSW of Cobb, California · 16266 days ago · 2 km deep · 7 km away
  5. 1.56 km WSW of Cobb, California · 16265 days ago · 0 km deep · 7 km away
  6. 2.31 km SW of Lower Lake, California · 16264 days ago · 6 km deep · 17 km away
  7. 3.68 km W of Cobb, California · 16263 days ago · 1 km deep · 9 km away
  8. 1.89 km W of Cobb, California · 16263 days ago · -1 km deep · 10 km away
  9. 1.98 km W of Cobb, California · 16263 days ago · -1 km deep · 9 km away
  10. 1.612 km W of Calpella, California · 16263 days ago · 5 km deep · 75 km away
  11. 1.712 km W of Calpella, California · 16263 days ago · 3 km deep · 75 km away
  12. 1.911 km SSE of Elmira, California · 16262 days ago · 16 km deep · 95 km away
  13. 2.224 km SE of Covelo, California · 16262 days ago · 8 km deep · 98 km away
  14. 2.224 km SE of Covelo, California · 16262 days ago · 5 km deep · 98 km away
  15. 2.37 km W of Cobb, California · 16261 days ago · 3 km deep · 8 km away
  16. 2.16 km WSW of Cobb, California · 16260 days ago · 0 km deep · 7 km away
  17. 3.06 km NE of Santa Rosa, California · 16260 days ago · 8 km deep · 34 km away
  18. 1.77 km ESE of Hopland, California · 16260 days ago · 6 km deep · 33 km away
  19. 1.85 km SE of Santa Rosa, California · 16259 days ago · 9 km deep · 41 km away
  20. 1.99 km NW of Cobb, California · 16259 days ago · -1 km deep · 14 km away
  21. 2.17 km W of Cobb, California · 16259 days ago · -1 km deep · 8 km away
  22. 3.47 km WSW of Cobb, California · 16259 days ago · 0 km deep · 7 km away
  23. 2.37 km WSW of Cobb, California · 16259 days ago · 1 km deep · 7 km away
  24. 1.87 km WSW of Cobb, California · 16259 days ago · 1 km deep · 7 km away
  25. 2.37 km WSW of Cobb, California · 16259 days ago · 1 km deep · 7 km away
  26. 1.57 km W of Cobb, California · 16258 days ago · 3 km deep · 8 km away
  27. 1.56 km W of Cobb, California · 16256 days ago · 3 km deep · 8 km away
  28. 1.54 km WSW of Cobb, California · 16256 days ago · 2 km deep · 4 km away
  29. 1.79 km WSW of Cobb, California · 16254 days ago · 2 km deep · 9 km away
  30. 1.63 km E of Santa Rosa, California · 16254 days ago · 8 km deep · 37 km away
  31. 1.77 km N of Geyserville, California · 16254 days ago · 5 km deep · 16 km away
  32. 1.86 km WSW of Cobb, California · 16253 days ago · 3 km deep · 7 km away
  33. 1.86 km WSW of Cobb, California · 16251 days ago · 0 km deep · 7 km away
  34. 1.925 km SE of Covelo, California · 16251 days ago · 5 km deep · 98 km away
  35. 1.84 km S of Cobb, California · 16250 days ago · 0 km deep · 1 km away
  36. 1.7Northern California · 16250 days ago · 8 km deep · 12 km away
  37. 1.64 km W of Cobb, California · 16250 days ago · 4 km deep · 7 km away
  38. 2.17 km W of Cobb, California · 16250 days ago · 0 km deep · 8 km away
  39. 1.77 km WSW of Cobb, California · 16249 days ago · -1 km deep · 8 km away
  40. 2.36 km W of Cobb, California · 16249 days ago · 4 km deep · 7 km away
  41. 2.36 km WSW of Cobb, California · 16249 days ago · 3 km deep · 7 km away
  42. 2.85 km SE of Talmage, California · 16249 days ago · 8 km deep · 50 km away
  43. 1.75 km ENE of Rohnert Park, California · 16247 days ago · 7 km deep · 48 km away
  44. 2.127 km SE of Covelo, California · 16247 days ago · 4 km deep · 96 km away
  45. 2.523 km SE of Covelo, California · 16247 days ago · 4 km deep · 100 km away
  46. 3.06 km ENE of Brooktrails, California · 16245 days ago · 8 km deep · 92 km away
  47. 2.58 km ENE of Talmage, California · 16244 days ago · 43 km deep · 53 km away
  48. 1.96 km W of Cobb, California · 16244 days ago · 2 km deep · 7 km away
  49. 1.77 km SE of Hopland, California · 16244 days ago · 2 km deep · 33 km away
  50. 1.91 km SE of Larkfield-Wikiup, California · 16244 days ago · 5 km deep · 30 km away
  51. 1.64 km NNE of Calistoga, California · 16243 days ago · 1 km deep · 24 km away
  52. 2.65 km WNW of Princeton, California · 16243 days ago · 11 km deep · 92 km away
  53. 1.67 km WSW of Cobb, California · 16242 days ago · 2 km deep · 8 km away
  54. 1.66 km W of Cobb, California · 16241 days ago · 3 km deep · 7 km away
  55. 1.99 km NE of Cloverdale, California · 16241 days ago · 11 km deep · 21 km away
  56. 2.98 km ESE of Talmage, California · 16241 days ago · 9 km deep · 48 km away
  57. 2.13 km SE of Calpella, California · 16240 days ago · 3 km deep · 62 km away
  58. 2.33 km SE of Larkfield-Wikiup, California · 16240 days ago · 5 km deep · 31 km away
  59. 1.96 km W of Cobb, California · 16240 days ago · 5 km deep · 8 km away
  60. 2.83 km SE of Larkfield-Wikiup, California · 16240 days ago · 6 km deep · 31 km away

The first 60 of 119.

Before

  1. 1.53 km SSE of Talmage, California · 16266 days ago · 3 km deep · 51 km away
  2. 1.68 km W of Cobb, California · 16266 days ago · 1 km deep · 10 km away
  3. 1.624 km SE of Covelo, California · 16267 days ago · 1 km deep · 99 km away
  4. 1.826 km SE of Covelo, California · 16267 days ago · 14 km deep · 97 km away
  5. 1.87 km W of Cobb, California · 16267 days ago · 2 km deep · 8 km away
  6. 3.124 km SE of Covelo, California · 16267 days ago · 12 km deep · 98 km away
  7. 3.225 km SE of Covelo, California · 16267 days ago · 13 km deep · 98 km away
  8. 2.36 km ENE of Santa Rosa, California · 16268 days ago · 6 km deep · 34 km away
  9. 2.824 km SE of Covelo, California · 16268 days ago · 12 km deep · 98 km away
  10. 2.16 km WSW of Cobb, California · 16268 days ago · 0 km deep · 6 km away
  11. 1.84 km E of Calpella, California · 16268 days ago · 4 km deep · 63 km away
  12. 1.57 km WSW of Cobb, California · 16269 days ago · 2 km deep · 7 km away
  13. 1.76 km WSW of Cobb, California · 16269 days ago · -1 km deep · 6 km away
  14. 1.96 km WSW of Cobb, California · 16269 days ago · 3 km deep · 7 km away
  15. 2.017 km NNE of Nice, California · 16270 days ago · 1 km deep · 54 km away
  16. 1.64 km W of Redwood Valley, California · 16271 days ago · 2 km deep · 71 km away
  17. 1.716 km NE of Upper Lake, California · 16272 days ago · 0 km deep · 56 km away
  18. 1.613 km ENE of Clearlake Oaks, California · 16272 days ago · -1 km deep · 39 km away
  19. 1.86 km WSW of Cobb, California · 16273 days ago · 0 km deep · 7 km away
  20. 1.68 km W of Cobb, California · 16275 days ago · 2 km deep · 8 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1072991. Read Mon, Sep 28, 2026, 9:11 PM UTC.