California earthquakes

M2.7 earthquake 8 km W of Cobb, California

A magnitude 2.7 earthquake struck 8 km W of Cobb, California on Thu, Jun 19, 1980, 8:59 PM PDT (03:59 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M3.0 20 km ENE of Potter Valley, 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
2.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1980-06-20 03:59:33 UTC
Depth
-0.7 km (-0.4 mi), shallow
Epicenter
38.813° N, 122.820° 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
±0.12
Depth from
From location
Station coverage gap
67°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 102 in the 60 days after this one and 55 in the 30 days before it.

After

  1. 2.08 km W of Cobb, California · 16908 days ago · 1 km deep · 0 km away
  2. 1.79 km NW of Redwood Valley, California · 16908 days ago · 4 km deep · 69 km away
  3. 1.68 km WNW of Cazadero, California · 16908 days ago · 1 km deep · 42 km away
  4. 1.69 km ENE of Oakville, California · 16907 days ago · 15 km deep · 58 km away
  5. 1.55 km E of Calpella, California · 16904 days ago · 7 km deep · 54 km away
  6. 1.82 km ESE of Larkfield-Wikiup, California · 16903 days ago · 4 km deep · 35 km away
  7. 1.56 km W of Cobb, California · 16903 days ago · 1 km deep · 2 km away
  8. 1.811 km WSW of Hopland, California · 16902 days ago · 5 km deep · 40 km away
  9. 1.76 km NW of Geyserville, California · 16901 days ago · 4 km deep · 13 km away
  10. 2.47 km WSW of Cobb, California · 16900 days ago · 2 km deep · 2 km away
  11. 1.510 km SSE of Willits, California · 16900 days ago · 6 km deep · 71 km away
  12. 2.13 km SW of Moskowite Corner, California · 16898 days ago · 12 km deep · 68 km away
  13. 1.87 km WSW of Cobb, California · 16895 days ago · 2 km deep · 1 km away
  14. 2.08 km E of Hidden Valley Lake, California · 16894 days ago · 9 km deep · 31 km away
  15. 1.67 km W of Cobb, California · 16894 days ago · 1 km deep · 1 km away
  16. 2.118 km ENE of Potter Valley, California · 16894 days ago · 5 km deep · 65 km away
  17. 2.019 km ENE of Potter Valley, California · 16894 days ago · 7 km deep · 65 km away
  18. 3.020 km ENE of Potter Valley, California · 16894 days ago · 10 km deep · 66 km away
  19. 1.719 km ENE of Potter Valley, California · 16894 days ago · 6 km deep · 65 km away
  20. 1.719 km ENE of Potter Valley, California · 16894 days ago · 5 km deep · 65 km away
  21. 1.620 km ENE of Potter Valley, California · 16893 days ago · 8 km deep · 65 km away
  22. 2.34 km ESE of Comptche, California · 16893 days ago · 6 km deep · 79 km away
  23. 2.06 km WSW of Cobb, California · 16893 days ago · 1 km deep · 3 km away
  24. 2.1Northern California · 16893 days ago · 9 km deep · 65 km away
  25. 1.920 km ENE of Potter Valley, California · 16892 days ago · 7 km deep · 65 km away
  26. 2.220 km ENE of Potter Valley, California · 16891 days ago · 8 km deep · 65 km away
  27. 1.96 km W of Cobb, California · 16890 days ago · 2 km deep · 2 km away
  28. 1.67 km W of Cobb, California · 16889 days ago · 0 km deep · 1 km away
  29. 1.76 km WSW of Cobb, California · 16889 days ago · 1 km deep · 3 km away
  30. 1.89 km WSW of Cobb, California · 16889 days ago · 1 km deep · 2 km away
  31. 1.56 km W of Cobb, California · 16888 days ago · 4 km deep · 2 km away
  32. 1.724 km NE of Potter Valley, California · 16888 days ago · 10 km deep · 77 km away
  33. 1.66 km WNW of Cobb, California · 16887 days ago · 2 km deep · 4 km away
  34. 2.16 km W of Cobb, California · 16886 days ago · 3 km deep · 2 km away
  35. 2.08 km NNE of Upper Lake, California · 16884 days ago · 6 km deep · 48 km away
  36. 1.619 km N of Upper Lake, California · 16884 days ago · 3 km deep · 58 km away
  37. 2.09 km W of Cobb, California · 16882 days ago · 0 km deep · 1 km away
  38. 2.09 km W of Cobb, California · 16882 days ago · 1 km deep · 1 km away
  39. 2.03 km WSW of Deer Park, California · 16881 days ago · 9 km deep · 42 km away
  40. 1.78 km W of Cobb, California · 16881 days ago · -1 km deep · 0 km away
  41. 3.09 km WSW of Cobb, California · 16880 days ago · 2 km deep · 1 km away
  42. 1.914 km SE of Laytonville, California · 16880 days ago · 9 km deep · 100 km away
  43. 1.619 km ENE of Potter Valley, California · 16879 days ago · 12 km deep · 65 km away
  44. 1.716 km ENE of Potter Valley, California · 16879 days ago · 4 km deep · 64 km away
  45. 1.53 km SSW of Clearlake, California · 16879 days ago · 2 km deep · 21 km away
  46. 1.83 km SSW of Clearlake, California · 16879 days ago · 1 km deep · 20 km away
  47. 1.96 km ESE of Santa Rosa, California · 16877 days ago · 0 km deep · 46 km away
  48. 1.67 km E of Hopland, California · 16877 days ago · 5 km deep · 26 km away
  49. 2.220 km ENE of Potter Valley, California · 16877 days ago · 5 km deep · 63 km away
  50. 2.39 km W of Cobb, California · 16876 days ago · 1 km deep · 1 km away
  51. 2.116 km E of Potter Valley, California · 16876 days ago · 4 km deep · 60 km away
  52. 1.717 km ENE of Potter Valley, California · 16875 days ago · 0 km deep · 63 km away
  53. 1.59 km WSW of Cobb, California · 16875 days ago · 1 km deep · 2 km away
  54. 2.16 km W of Cobb, California · 16874 days ago · 3 km deep · 2 km away
  55. 3.06 km W of Cobb, California · 16874 days ago · 1 km deep · 2 km away
  56. 1.88 km W of Cobb, California · 16874 days ago · 1 km deep · 1 km away
  57. 1.76 km W of Cobb, California · 16874 days ago · 1 km deep · 2 km away
  58. 1.55 km E of Hopland, California · 16873 days ago · 5 km deep · 27 km away
  59. 1.85 km E of Penngrove, California · 16872 days ago · 0 km deep · 60 km away
  60. 2.34 km NW of Redwood Valley, California · 16871 days ago · 4 km deep · 65 km away

The first 60 of 102.

Before

  1. 2.57 km W of Cobb, California · 16910 days ago · 1 km deep · 1 km away
  2. 1.67 km WSW of Cobb, California · 16911 days ago · -1 km deep · 2 km away
  3. 2.04 km WSW of Cobb, California · 16911 days ago · 4 km deep · 5 km away
  4. 2.46 km W of Cobb, California · 16911 days ago · 1 km deep · 2 km away
  5. 1.99 km ESE of Hidden Valley Lake, California · 16912 days ago · 3 km deep · 31 km away
  6. 2.211 km ESE of Hidden Valley Lake, California · 16912 days ago · 7 km deep · 34 km away
  7. 1.79 km W of Cobb, California · 16912 days ago · 1 km deep · 1 km away
  8. 1.93 km SSE of Moskowite Corner, California · 16912 days ago · 12 km deep · 71 km away
  9. 2.45 km ENE of Healdsburg, California · 16912 days ago · 4 km deep · 21 km away
  10. 2.011 km ENE of Healdsburg, California · 16913 days ago · 5 km deep · 20 km away
  11. 1.64 km WSW of Cobb, California · 16915 days ago · 2 km deep · 4 km away
  12. 2.24 km WSW of Cobb, California · 16915 days ago · 2 km deep · 5 km away
  13. 3.07 km E of Fairfield, California · 16916 days ago · 12 km deep · 98 km away
  14. 1.919 km N of Upper Lake, California · 16916 days ago · 0 km deep · 59 km away
  15. 1.74 km NNW of Fairfield, California · 16916 days ago · 2 km deep · 88 km away
  16. 1.59 km WSW of Cobb, California · 16916 days ago · 1 km deep · 1 km away
  17. 2.720 km NNE of Potter Valley, California · 16916 days ago · 6 km deep · 76 km away
  18. 1.921 km NNE of Potter Valley, CA · 16916 days ago · 3 km deep · 76 km away
  19. 1.65 km WSW of Cobb, California · 16916 days ago · 3 km deep · 4 km away
  20. 2.93 km ESE of Talmage, California · 16916 days ago · 4 km deep · 44 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1053906. Read Mon, Oct 5, 2026, 7:21 AM UTC.