California earthquakes

M1.5 earthquake 7 km WSW of Cobb, California

A magnitude 1.5 earthquake struck 7 km WSW of Cobb, California on Fri, Jan 9, 1981, 3:12 AM PST (11:12 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M1.8 12 km E of Lower Lake, 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
1.5 (md), micro
Local time
UTC
1981-01-09 11:12:40 UTC
Depth
2.5 km (1.6 mi), shallow
Epicenter
38.806° N, 122.811° 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
±0.06
Depth from
From location
Station coverage gap
65°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 113 in the 60 days after this one and 65 in the 30 days before it.

After

  1. 1.812 km E of Lower Lake, California · 16692 days ago · 4 km deep · 32 km away
  2. 1.86 km W of Cobb, California · 16691 days ago · 0 km deep · 1 km away
  3. 2.36 km W of Cobb, California · 16691 days ago · 4 km deep · 2 km away
  4. 1.97 km E of Willits, California · 16691 days ago · 6 km deep · 78 km away
  5. 1.83 km SE of Clear Lake Riviera, California · 16691 days ago · 6 km deep · 18 km away
  6. 1.96 km WSW of Cobb, California · 16691 days ago · 1 km deep · 1 km away
  7. 1.94 km SE of Clear Lake Riviera, California · 16690 days ago · 5 km deep · 17 km away
  8. 2.54 km ENE of Penngrove, California · 16690 days ago · 0 km deep · 57 km away
  9. 1.62 km SSW of Moskowite Corner, California · 16689 days ago · 11 km deep · 67 km away
  10. 2.28 km ESE of Hidden Valley Lake, California · 16689 days ago · 8 km deep · 31 km away
  11. 1.56 km WSW of Cobb, California · 16689 days ago · 1 km deep · 2 km away
  12. 1.614 km SSW of Albion, California · 16689 days ago · 11 km deep · 92 km away
  13. 1.711 km S of Albion, California · 16689 days ago · 10 km deep · 88 km away
  14. 2.57 km WSW of Cobb, California · 16688 days ago · 1 km deep · 1 km away
  15. 1.63 km E of Lucerne, California · 16686 days ago · 5 km deep · 32 km away
  16. 1.89 km WSW of Cobb, California · 16685 days ago · 1 km deep · 2 km away
  17. 1.51 km NNW of Clear Lake Riviera, California · 16685 days ago · 8 km deep · 19 km away
  18. 1.66 km WSW of Cobb, California · 16684 days ago · 1 km deep · 2 km away
  19. 1.912 km WNW of Calistoga, California · 16683 days ago · 13 km deep · 21 km away
  20. 2.36 km WSW of Cobb, California · 16683 days ago · 2 km deep · 2 km away
  21. 2.04 km WSW of Cobb, California · 16683 days ago · -1 km deep · 3 km away
  22. 2.16 km W of Cobb, California · 16682 days ago · 3 km deep · 2 km away
  23. 1.66 km W of Cobb, California · 16682 days ago · 3 km deep · 2 km away
  24. 1.66 km W of Cobb, California · 16682 days ago · 4 km deep · 2 km away
  25. 1.55 km WSW of Cobb, California · 16682 days ago · 0 km deep · 2 km away
  26. 2.46 km WSW of Cobb, California · 16680 days ago · 5 km deep · 2 km away
  27. 2.26 km W of Cobb, California · 16680 days ago · 4 km deep · 2 km away
  28. 1.54 km SE of Clear Lake Riviera, California · 16680 days ago · 3 km deep · 18 km away
  29. 1.67 km WSW of Cobb, California · 16680 days ago · 2 km deep · 0 km away
  30. 1.96 km SW of Kenwood, California · 16679 days ago · 0 km deep · 51 km away
  31. 2.219 km W of Elk Creek, California · 16679 days ago · 7 km deep · 91 km away
  32. 2.69 km WSW of Cobb, California · 16677 days ago · 2 km deep · 1 km away
  33. 1.59 km WSW of Cobb, California · 16677 days ago · 1 km deep · 2 km away
  34. 1.911 km NNW of Brooktrails, California · 16676 days ago · 8 km deep · 98 km away
  35. 1.89 km WSW of Cobb, California · 16675 days ago · 2 km deep · 2 km away
  36. 2.04 km NW of Philo, California · 16674 days ago · 5 km deep · 67 km away
  37. 2.44 km WSW of Cobb, California · 16673 days ago · 2 km deep · 4 km away
  38. 1.93 km NNE of Larkfield-Wikiup, California · 16673 days ago · 3 km deep · 30 km away
  39. 1.66 km W of Cobb, California · 16673 days ago · 3 km deep · 2 km away
  40. 1.816 km NE of Upper Lake, California · 16672 days ago · 0 km deep · 51 km away
  41. 1.76 km WSW of Cobb, California · 16671 days ago · 0 km deep · 2 km away
  42. 1.56 km W of Cobb, California · 16670 days ago · 3 km deep · 2 km away
  43. 1.66 km NNE of Larkfield-Wikiup, California · 16669 days ago · 3 km deep · 28 km away
  44. 1.88 km NNW of Princeton, California · 16668 days ago · 14 km deep · 100 km away
  45. 1.723 km NE of Potter Valley, California · 16668 days ago · 9 km deep · 76 km away
  46. 1.58 km NE of Willits, California · 16668 days ago · 3 km deep · 82 km away
  47. 1.56 km W of Cobb, California · 16667 days ago · 2 km deep · 2 km away
  48. 1.810 km W of Cobb, California · 16666 days ago · 1 km deep · 4 km away
  49. 1.6Northern California · 16664 days ago · 1 km deep · 2 km away
  50. 1.84 km NNE of Healdsburg, California · 16663 days ago · 35 km deep · 17 km away
  51. 2.0Northern California · 16663 days ago · 1 km deep · 3 km away
  52. 2.77 km NE of Hopland, California · 16663 days ago · 5 km deep · 31 km away
  53. 1.95 km WSW of Cobb, California · 16663 days ago · -1 km deep · 2 km away
  54. 1.86 km WSW of Cobb, California · 16662 days ago · 1 km deep · 2 km away
  55. 2.66 km W of Cobb, California · 16662 days ago · 3 km deep · 2 km away
  56. 1.64 km WSW of Cobb, California · 16662 days ago · 1 km deep · 4 km away
  57. 2.44 km WSW of Cobb, California · 16662 days ago · 1 km deep · 4 km away
  58. 2.56 km WSW of Cobb, California · 16662 days ago · 3 km deep · 1 km away
  59. 1.65 km W of Cobb, California · 16660 days ago · 1 km deep · 3 km away
  60. 1.67 km E of Willits, California · 16660 days ago · 7 km deep · 78 km away

The first 60 of 113.

Before

  1. 1.611 km W of Cobb, California · 16693 days ago · 2 km deep · 5 km away
  2. 2.67 km WSW of Cobb, California · 16693 days ago · 0 km deep · 1 km away
  3. 1.64 km WSW of Cobb, California · 16694 days ago · 1 km deep · 4 km away
  4. 2.17 km W of Cobb, California · 16694 days ago · 1 km deep · 2 km away
  5. 1.73 km NE of Penngrove, California · 16696 days ago · 4 km deep · 56 km away
  6. 2.23 km NE of Penngrove, California · 16696 days ago · 5 km deep · 56 km away
  7. 2.13 km NE of Penngrove, California · 16696 days ago · 5 km deep · 56 km away
  8. 1.78 km N of Geyserville, California · 16696 days ago · 5 km deep · 10 km away
  9. 1.93 km NE of Penngrove, California · 16696 days ago · 5 km deep · 56 km away
  10. 2.310 km WSW of Point Arena, California · 16698 days ago · 0 km deep · 86 km away
  11. 2.16 km WSW of Cobb, California · 16698 days ago · 1 km deep · 2 km away
  12. 1.61 km SE of Redwood Valley, California · 16698 days ago · 4 km deep · 60 km away
  13. 1.65 km W of Potter Valley, California · 16699 days ago · 7 km deep · 66 km away
  14. 1.66 km W of Cobb, California · 16699 days ago · 3 km deep · 1 km away
  15. 2.81 km WSW of Geyserville, California · 16700 days ago · 5 km deep · 15 km away
  16. 1.89 km ENE of Willits, California · 16701 days ago · 1 km deep · 82 km away
  17. 1.77 km WSW of Cobb, California · 16701 days ago · 1 km deep · 1 km away
  18. 2.37 km WSW of Cobb, California · 16704 days ago · 1 km deep · 1 km away
  19. 2.12 km NNE of Clear Lake Riviera, California · 16704 days ago · 1 km deep · 21 km away
  20. 1.825 km SE of Covelo, California · 16705 days ago · 6 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1059060. Read Tue, Sep 22, 2026, 10:27 PM UTC.