California earthquakes

M1.8 earthquake 10 km WSW of Cobb, California

A magnitude 1.8 earthquake struck 10 km WSW of Cobb, California on Thu, Feb 4, 1982, 7:57 AM PST (15:57 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M2.4 4 km E of Allendale, 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
1.8 (md), micro
Local time
UTC
1982-02-04 15:57:05 UTC
Depth
1.8 km (1.1 mi), shallow
Epicenter
38.797° N, 122.839° 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 0.7 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.58
Depth from
From location
Station coverage gap
111°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 150 in the 60 days after this one and 43 in the 30 days before it.

After

  1. 1.627 km NNE of Potter Valley, California · 16302 days ago · 9 km deep · 84 km away
  2. 2.44 km E of Allendale, California · 16302 days ago · 11 km deep · 91 km away
  3. 1.72 km WSW of Princeton, California · 16301 days ago · 12 km deep · 96 km away
  4. 1.72 km WNW of Princeton, California · 16301 days ago · 15 km deep · 98 km away
  5. 3.05 km NW of Princeton, California · 16300 days ago · 17 km deep · 99 km away
  6. 1.74 km NW of Princeton, California · 16300 days ago · 15 km deep · 98 km away
  7. 1.76 km E of Rohnert Park, California · 16300 days ago · 6 km deep · 53 km away
  8. 1.89 km WSW of Cobb, California · 16300 days ago · 0 km deep · 1 km away
  9. 1.86 km SW of Cobb, California · 16300 days ago · 2 km deep · 6 km away
  10. 1.74 km WSW of Cobb, California · 16300 days ago · 0 km deep · 6 km away
  11. 3.24 km S of Cobb, California · 16300 days ago · 2 km deep · 10 km away
  12. 1.93 km NE of Kenwood, California · 16300 days ago · 8 km deep · 49 km away
  13. 2.08 km WSW of Cobb, California · 16299 days ago · 0 km deep · 2 km away
  14. 1.84 km NNE of Dixon, California · 16298 days ago · 3 km deep · 97 km away
  15. 2.04 km S of Cobb, California · 16298 days ago · 0 km deep · 10 km away
  16. 1.58 km WSW of Cobb, California · 16298 days ago · 2 km deep · 2 km away
  17. 2.18 km W of Hopland, California · 16297 days ago · 5 km deep · 37 km away
  18. 1.622 km ENE of Potter Valley, California · 16297 days ago · 7 km deep · 66 km away
  19. 1.95 km SW of Cobb, California · 16297 days ago · 0 km deep · 6 km away
  20. 1.68 km WSW of Cobb, California · 16297 days ago · 1 km deep · 2 km away
  21. 1.87 km W of Cobb, California · 16297 days ago · -1 km deep · 4 km away
  22. 2.36 km WSW of Cobb, California · 16296 days ago · -1 km deep · 4 km away
  23. 1.79 km WSW of Cobb, California · 16295 days ago · 2 km deep · 1 km away
  24. 1.68 km WSW of Cobb, California · 16295 days ago · 1 km deep · 2 km away
  25. 1.67 km WSW of Cobb, California · 16294 days ago · 1 km deep · 3 km away
  26. 1.87 km WSW of Cobb, California · 16294 days ago · 1 km deep · 3 km away
  27. 2.49 km WSW of Cobb, California · 16293 days ago · 2 km deep · 1 km away
  28. 1.79 km W of Redwood Valley, California · 16293 days ago · 2 km deep · 66 km away
  29. 2.58 km WSW of Cobb, California · 16293 days ago · 2 km deep · 1 km away
  30. 2.48 km W of Cobb, California · 16292 days ago · 1 km deep · 4 km away
  31. 2.118 km E of Potter Valley, California · 16292 days ago · 5 km deep · 60 km away
  32. 3.17 km WSW of Cobb, California · 16292 days ago · 3 km deep · 3 km away
  33. 2.28 km WSW of Cobb, California · 16292 days ago · 3 km deep · 2 km away
  34. 2.08 km ENE of Potter Valley, California · 16291 days ago · 10 km deep · 63 km away
  35. 2.519 km NNE of Upper Lake, California · 16291 days ago · 3 km deep · 59 km away
  36. 1.56 km W of Cobb, California · 16290 days ago · 3 km deep · 4 km away
  37. 1.65 km SE of Santa Rosa, California · 16289 days ago · 8 km deep · 46 km away
  38. 1.74 km WSW of Cobb, California · 16289 days ago · 1 km deep · 6 km away
  39. 1.95 km S of Calistoga, California · 16288 days ago · 2 km deep · 37 km away
  40. 2.05 km N of Windsor, California · 16288 days ago · 7 km deep · 23 km away
  41. 1.81 km SE of Occidental, California · 16287 days ago · 6 km deep · 45 km away
  42. 2.47 km WSW of Cobb, California · 16286 days ago · 0 km deep · 3 km away
  43. 2.56 km WSW of Cobb, California · 16285 days ago · 1 km deep · 4 km away
  44. 1.65 km WSW of Glen Ellen, California · 16285 days ago · 7 km deep · 56 km away
  45. 1.56 km W of Cobb, California · 16285 days ago · 0 km deep · 4 km away
  46. 1.8Northern California · 16284 days ago · 5 km deep · 34 km away
  47. 2.56 km WNW of Princeton, California · 16283 days ago · 15 km deep · 97 km away
  48. 1.66 km W of Cobb, California · 16283 days ago · 0 km deep · 4 km away
  49. 1.59 km WSW of Cobb, California · 16282 days ago · 1 km deep · 1 km away
  50. 1.67 km WSW of Cobb, California · 16282 days ago · 0 km deep · 3 km away
  51. 2.35 km NW of Princeton, California · 16281 days ago · 15 km deep · 98 km away
  52. 1.517 km NNE of Lucerne, California · 16280 days ago · 7 km deep · 49 km away
  53. 2.06 km W of Cobb, California · 16280 days ago · 3 km deep · 4 km away
  54. 1.66 km W of Cobb, California · 16280 days ago · 3 km deep · 4 km away
  55. 1.54 km SE of Clear Lake Riviera, California · 16280 days ago · 2 km deep · 20 km away
  56. 1.56 km WSW of Cobb, California · 16280 days ago · 3 km deep · 4 km away
  57. 1.68 km W of Middletown, California · 16279 days ago · 0 km deep · 13 km away
  58. 1.76 km W of Cobb, California · 16279 days ago · 3 km deep · 4 km away
  59. 2.214 km N of Brooktrails, California · 16279 days ago · 7 km deep · 98 km away
  60. 2.39 km WSW of Cobb, California · 16279 days ago · 2 km deep · 1 km away

The first 60 of 150.

Before

  1. 1.63 km NNW of Elmira, California · 16303 days ago · 4 km deep · 92 km away
  2. 2.17 km WSW of Albion, California · 16303 days ago · 4 km deep · 99 km away
  3. 1.68 km WSW of Cobb, California · 16304 days ago · 2 km deep · 1 km away
  4. 2.58 km NNW of Redwood Valley, California · 16304 days ago · 3 km deep · 69 km away
  5. 1.67 km W of Cobb, California · 16304 days ago · -1 km deep · 3 km away
  6. 1.56 km ESE of Potter Valley, California · 16306 days ago · 10 km deep · 58 km away
  7. 2.37 km W of Cobb, California · 16307 days ago · 0 km deep · 3 km away
  8. 1.56 km W of Cobb, California · 16308 days ago · 3 km deep · 4 km away
  9. 2.54 km WSW of Cobb, California · 16308 days ago · 0 km deep · 6 km away
  10. 1.95 km NW of Elk Creek, California · 16308 days ago · 8 km deep · 95 km away
  11. 2.67 km WSW of Cobb, California · 16309 days ago · 0 km deep · 3 km away
  12. 2.15 km NE of Santa Rosa, California · 16309 days ago · 9 km deep · 39 km away
  13. 1.59 km WSW of Cobb, California · 16311 days ago · 1 km deep · 1 km away
  14. 3.26 km W of Cobb, California · 16312 days ago · 4 km deep · 4 km away
  15. 2.34 km NNE of Benicia, California · 16312 days ago · 5 km deep · 100 km away
  16. 1.77 km WSW of Cobb, California · 16313 days ago · 0 km deep · 3 km away
  17. 2.01 km SE of Fairfax, California · 16314 days ago · 5 km deep · 94 km away
  18. 3.19 km WSW of Cobb, California · 16316 days ago · 0 km deep · 1 km away
  19. 2.36 km W of Cobb, California · 16316 days ago · 3 km deep · 4 km away
  20. 1.67 km WSW of Cobb, California · 16316 days ago · 1 km deep · 3 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1071813. Read Thu, Sep 24, 2026, 6:18 AM UTC.