California earthquakes

M1.8 earthquake 4 km WSW of Cobb, California

A magnitude 1.8 earthquake struck 4 km WSW of Cobb, California on Wed, Jun 9, 1982, 10:43 PM PDT (05:43 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.0 14 km WSW of Elk Creek, 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
1.8 (md), micro
Local time
UTC
1982-06-10 05:43:54 UTC
Depth
4.1 km (2.6 mi), shallow
Epicenter
38.803° N, 122.770° 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, 0.4 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
47°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 146 in the 60 days after this one and 48 in the 30 days before it.

After

  1. 1.93 km E of Calpella, CA · 16182 days ago · 4 km deep · 59 km away
  2. 1.55 km WSW of Rutherford, California · 16182 days ago · 9 km deep · 47 km away
  3. 1.85 km WSW of Cobb, California · 16181 days ago · 0 km deep · 1 km away
  4. 2.05 km WSW of Cobb, California · 16181 days ago · 0 km deep · 1 km away
  5. 1.67 km ENE of Brooktrails, California · 16180 days ago · 7 km deep · 88 km away
  6. 1.52 km E of Kelseyville, California · 16179 days ago · 13 km deep · 20 km away
  7. 1.63 km E of Windsor, California · 16178 days ago · 4 km deep · 29 km away
  8. 1.57 km NNW of Potter Valley, California · 16178 days ago · 0 km deep · 73 km away
  9. 1.93 km E of Windsor, California · 16178 days ago · 2 km deep · 28 km away
  10. 3.07 km N of Geyserville, California · 16178 days ago · 5 km deep · 13 km away
  11. 1.98 km NNW of Geyserville, California · 16178 days ago · 2 km deep · 14 km away
  12. 2.215 km NNE of Brooktrails, California · 16178 days ago · 11 km deep · 99 km away
  13. 2.04 km NE of Talmage, California · 16178 days ago · 7 km deep · 50 km away
  14. 1.92 km S of Angwin, California · 16177 days ago · 12 km deep · 40 km away
  15. 2.26 km SW of Cobb, California · 16176 days ago · 0 km deep · 2 km away
  16. 1.64 km NE of Talmage, California · 16176 days ago · 7 km deep · 50 km away
  17. 2.64 km WSW of Cobb, California · 16176 days ago · 1 km deep · 0 km away
  18. 2.110 km SE of Hopland, California · 16176 days ago · 7 km deep · 25 km away
  19. 1.76 km ENE of Eldridge, California · 16176 days ago · 6 km deep · 55 km away
  20. 2.822 km NE of Potter Valley, California · 16174 days ago · 12 km deep · 76 km away
  21. 1.622 km NE of Potter Valley, California · 16174 days ago · 13 km deep · 76 km away
  22. 2.322 km NE of Potter Valley, California · 16174 days ago · 11 km deep · 76 km away
  23. 1.922 km NE of Potter Valley, California · 16174 days ago · 11 km deep · 76 km away
  24. 1.922 km NE of Potter Valley, California · 16174 days ago · 11 km deep · 76 km away
  25. 2.122 km NE of Potter Valley, California · 16174 days ago · 11 km deep · 76 km away
  26. 1.95 km NE of Brooktrails, California · 16174 days ago · 4 km deep · 90 km away
  27. 2.522 km NE of Potter Valley, California · 16173 days ago · 11 km deep · 76 km away
  28. 1.517 km NE of Potter Valley, California · 16173 days ago · 3 km deep · 74 km away
  29. 1.63 km NNE of Cobb, California · 16173 days ago · 3 km deep · 8 km away
  30. 2.37 km S of Dunnigan, California · 16173 days ago · 13 km deep · 70 km away
  31. 1.716 km W of Williams, California · 16171 days ago · 2 km deep · 53 km away
  32. 1.78 km NNW of Geyserville, California · 16171 days ago · 3 km deep · 13 km away
  33. 2.54 km WSW of Cobb, California · 16170 days ago · 1 km deep · 0 km away
  34. 1.75 km WSW of Cobb, California · 16170 days ago · 0 km deep · 1 km away
  35. 1.723 km NNE of Upper Lake, California · 16170 days ago · 11 km deep · 63 km away
  36. 1.523 km NE of Potter Valley, California · 16169 days ago · 11 km deep · 76 km away
  37. 1.811 km SE of Hopland, California · 16169 days ago · 6 km deep · 24 km away
  38. 1.87 km NE of Cloverdale, California · 16168 days ago · 2 km deep · 16 km away
  39. 1.64 km SSW of Cobb, California · 16168 days ago · 0 km deep · 2 km away
  40. 1.53 km E of Windsor, California · 16167 days ago · 4 km deep · 29 km away
  41. 1.75 km E of American Canyon, California · 16166 days ago · 9 km deep · 85 km away
  42. 1.516 km NNE of Brooktrails, California · 16165 days ago · 11 km deep · 100 km away
  43. 1.818 km E of Potter Valley, California · 16165 days ago · 9 km deep · 62 km away
  44. 1.61 km NE of Calpella, California · 16164 days ago · 8 km deep · 61 km away
  45. 1.77 km SE of Hopland, California · 16164 days ago · 6 km deep · 28 km away
  46. 2.26 km W of Cobb, California · 16163 days ago · 2 km deep · 3 km away
  47. 1.65 km WSW of Cobb, California · 16163 days ago · 0 km deep · 1 km away
  48. 1.99 km E of Lower Lake, California · 16161 days ago · 1 km deep · 26 km away
  49. 2.95 km WSW of Cobb, California · 16160 days ago · 2 km deep · 2 km away
  50. 2.66 km W of Cobb, California · 16160 days ago · 4 km deep · 3 km away
  51. 1.94 km SSE of Calpella, California · 16159 days ago · 5 km deep · 56 km away
  52. 1.71 km NNW of Larkfield-Wikiup, California · 16159 days ago · 5 km deep · 31 km away
  53. 1.77 km ESE of Geyserville, California · 16158 days ago · 6 km deep · 14 km away
  54. 2.76 km N of Princeton, California · 16158 days ago · 16 km deep · 98 km away
  55. 1.612 km NE of Cloverdale, California · 16158 days ago · 3 km deep · 16 km away
  56. 1.56 km ENE of Hopland, California · 16155 days ago · 5 km deep · 32 km away
  57. 1.87 km ESE of Willits, California · 16155 days ago · 2 km deep · 77 km away
  58. 1.77 km W of Cobb, California · 16155 days ago · 2 km deep · 3 km away
  59. 1.73 km WSW of Oakville, California · 16155 days ago · 7 km deep · 51 km away
  60. 1.84 km SSE of Calpella, California · 16155 days ago · 3 km deep · 56 km away

The first 60 of 146.

Before

  1. 1.91 km ESE of Sonoma, California · 16184 days ago · 10 km deep · 65 km away
  2. 1.822 km ENE of Potter Valley, California · 16184 days ago · 8 km deep · 64 km away
  3. 1.53 km E of Windsor, California · 16186 days ago · 4 km deep · 29 km away
  4. 1.74 km WSW of Cobb, California · 16186 days ago · 1 km deep · 0 km away
  5. 1.86 km W of Cobb, California · 16188 days ago · 4 km deep · 3 km away
  6. 1.73 km E of Sonoma, California · 16190 days ago · 11 km deep · 64 km away
  7. 2.83 km ENE of Talmage, California · 16190 days ago · 8 km deep · 50 km away
  8. 2.46 km W of Cobb, California · 16190 days ago · 4 km deep · 3 km away
  9. 2.63 km E of Windsor, California · 16190 days ago · 4 km deep · 29 km away
  10. 1.78 km W of Cobb, California · 16194 days ago · 2 km deep · 5 km away
  11. 1.99 km W of Cobb, California · 16194 days ago · 1 km deep · 6 km away
  12. 1.51 km W of Moskowite Corner, California · 16194 days ago · 12 km deep · 63 km away
  13. 1.59 km W of Cobb, California · 16194 days ago · 0 km deep · 5 km away
  14. 1.66 km WSW of Cobb, California · 16194 days ago · 1 km deep · 2 km away
  15. 2.63 km W of Calpella, California · 16194 days ago · 3 km deep · 63 km away
  16. 1.89 km WSW of Cobb, California · 16194 days ago · 0 km deep · 5 km away
  17. 1.67 km W of Cobb, California · 16194 days ago · 1 km deep · 5 km away
  18. 3.06 km WNW of Cobb, California · 16194 days ago · 0 km deep · 4 km away
  19. 1.68 km W of Cobb, California · 16194 days ago · 1 km deep · 5 km away
  20. 3.28 km W of Cobb, California · 16194 days ago · 0 km deep · 4 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1075214. Read Tue, Sep 29, 2026, 10:12 PM UTC.