California earthquakes

M2.0 earthquake 5 km SW of Cobb, California

A magnitude 2.0 earthquake struck 5 km SW of Cobb, California on Sat, Oct 15, 1983, 8:58 AM PDT (15:58 UTC), 1 km (0 mi) below the surface.

A larger quake followed: M3.1 16 km NE of Brooktrails, 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
2.0 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1983-10-15 15:58:07 UTC
Depth
0.7 km (0.4 mi), shallow
Epicenter
38.794° N, 122.771° 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, 0.3 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
44°
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: 171 in the 60 days after this one and 110 in the 30 days before it.

After

  1. 1.65 km SW of Cobb, California · 15692 days ago · 0 km deep · 1 km away
  2. 1.97 km ESE of Redwood Valley, California · 15691 days ago · 5 km deep · 59 km away
  3. 1.624 km ENE of Potter Valley, California · 15691 days ago · 19 km deep · 67 km away
  4. 1.57 km E of Willits, California · 15691 days ago · 7 km deep · 80 km away
  5. 2.97 km NE of Willits, California · 15691 days ago · 0 km deep · 86 km away
  6. 1.613 km NW of Moskowite Corner, California · 15691 days ago · 9 km deep · 51 km away
  7. 1.610 km NW of Cobb, California · 15690 days ago · -1 km deep · 11 km away
  8. 1.616 km ENE of Potter Valley, California · 15690 days ago · 8 km deep · 68 km away
  9. 1.97 km WSW of Cobb, California · 15689 days ago · 2 km deep · 4 km away
  10. 1.58 km W of Cobb, California · 15689 days ago · 1 km deep · 5 km away
  11. 1.61 km SSE of Clearlake, California · 15689 days ago · 3 km deep · 21 km away
  12. 1.618 km NE of Potter Valley, California · 15688 days ago · 6 km deep · 71 km away
  13. 2.17 km NNE of Hidden Valley Lake, California · 15688 days ago · -1 km deep · 23 km away
  14. 1.65 km W of Cobb, California · 15688 days ago · 0 km deep · 4 km away
  15. 1.55 km NE of Black Point-Green Point, California · 15688 days ago · 5 km deep · 76 km away
  16. 1.67 km ENE of Lower Lake, California · 15687 days ago · 5 km deep · 26 km away
  17. 2.07 km W of Cobb, California · 15686 days ago · 4 km deep · 5 km away
  18. 1.78 km SW of Kelseyville, California · 15686 days ago · 3 km deep · 18 km away
  19. 1.59 km WSW of Cobb, California · 15686 days ago · 2 km deep · 5 km away
  20. 2.15 km SW of Cobb, California · 15686 days ago · 1 km deep · 1 km away
  21. 1.57 km W of Cobb, California · 15686 days ago · 0 km deep · 4 km away
  22. 1.97 km WSW of Cobb, California · 15685 days ago · 1 km deep · 3 km away
  23. 2.26 km W of Cobb, California · 15685 days ago · 1 km deep · 3 km away
  24. 1.96 km W of Cobb, California · 15685 days ago · 0 km deep · 3 km away
  25. 2.06 km W of Cobb, California · 15685 days ago · 2 km deep · 3 km away
  26. 1.56 km E of Willits, California · 15685 days ago · 5 km deep · 81 km away
  27. 1.64 km ENE of Willits, California · 15685 days ago · 5 km deep · 85 km away
  28. 1.86 km WSW of Cobb, California · 15685 days ago · 1 km deep · 3 km away
  29. 2.510 km WSW of Hopland, California · 15684 days ago · 3 km deep · 42 km away
  30. 2.03 km NNE of Santa Rosa, California · 15684 days ago · 7 km deep · 37 km away
  31. 2.022 km NNE of Upper Lake, California · 15684 days ago · 8 km deep · 64 km away
  32. 1.68 km WSW of Cobb, California · 15684 days ago · 1 km deep · 4 km away
  33. 1.64 km W of Cobb, California · 15684 days ago · 0 km deep · 3 km away
  34. 1.68 km WSW of Cobb, California · 15683 days ago · 1 km deep · 4 km away
  35. 1.612 km N of Potter Valley, California · 15682 days ago · 8 km deep · 77 km away
  36. 1.66 km W of Cobb, California · 15682 days ago · 2 km deep · 4 km away
  37. 2.37 km NNE of Cobb, California · 15682 days ago · 2 km deep · 12 km away
  38. 2.47 km NNE of Hidden Valley Lake, California · 15681 days ago · -1 km deep · 23 km away
  39. 2.03 km WSW of Cobb, California · 15681 days ago · -1 km deep · 2 km away
  40. 1.66 km W of Cobb, California · 15681 days ago · 0 km deep · 4 km away
  41. 1.74 km W of Cobb, California · 15681 days ago · 0 km deep · 3 km away
  42. 2.37 km WSW of Cobb, California · 15681 days ago · 1 km deep · 3 km away
  43. 1.76 km WSW of Cobb, California · 15680 days ago · 1 km deep · 2 km away
  44. 1.75 km WSW of Cobb, California · 15680 days ago · 0 km deep · 1 km away
  45. 1.76 km WSW of Cobb, California · 15679 days ago · 3 km deep · 3 km away
  46. 1.515 km NNW of Potter Valley, California · 15679 days ago · 2 km deep · 81 km away
  47. 1.85 km WSW of Cobb, California · 15679 days ago · 0 km deep · 1 km away
  48. 2.07 km NNE of Hidden Valley Lake, California · 15679 days ago · -1 km deep · 23 km away
  49. 3.06 km W of Cobb, California · 15678 days ago · 0 km deep · 3 km away
  50. 1.74 km E of Geyserville, California · 15678 days ago · 5 km deep · 11 km away
  51. 1.65 km WSW of Cobb, California · 15677 days ago · 0 km deep · 1 km away
  52. 1.67 km WSW of Cobb, California · 15677 days ago · 1 km deep · 3 km away
  53. 2.38 km WSW of Cobb, California · 15677 days ago · 2 km deep · 5 km away
  54. 2.06 km W of Cobb, California · 15676 days ago · 3 km deep · 4 km away
  55. 1.75 km NE of Black Point-Green Point, California · 15676 days ago · 6 km deep · 76 km away
  56. 2.44 km ESE of Sonoma, California · 15676 days ago · 8 km deep · 65 km away
  57. 2.37 km WSW of Cobb, California · 15675 days ago · 2 km deep · 3 km away
  58. 1.74 km SSW of Cobb, California · 15675 days ago · -1 km deep · 3 km away
  59. 1.76 km WSW of Cobb, California · 15675 days ago · 2 km deep · 3 km away
  60. 1.623 km N of Potter Valley, California · 15675 days ago · -1 km deep · 87 km away

The first 60 of 171.

Before

  1. 1.56 km W of Cobb, California · 15693 days ago · 1 km deep · 5 km away
  2. 1.96 km W of Cobb, California · 15693 days ago · 3 km deep · 4 km away
  3. 2.46 km WSW of Cobb, California · 15693 days ago · 0 km deep · 2 km away
  4. 2.06 km W of Cobb, California · 15695 days ago · 3 km deep · 4 km away
  5. 1.79 km SW of Clear Lake Riviera, California · 15695 days ago · -1 km deep · 11 km away
  6. 1.85 km SW of Cobb, California · 15695 days ago · 0 km deep · 1 km away
  7. 1.95 km WNW of Cobb, California · 15695 days ago · 0 km deep · 5 km away
  8. 2.4Northern California · 15696 days ago · 2 km deep · 60 km away
  9. 2.011 km E of Lower Lake, California · 15696 days ago · 2 km deep · 28 km away
  10. 2.56 km W of Cobb, California · 15696 days ago · 3 km deep · 4 km away
  11. 1.620 km NNE of Upper Lake, CA · 15696 days ago · 4 km deep · 60 km away
  12. 1.99 km SW of Clear Lake Riviera, California · 15697 days ago · -1 km deep · 11 km away
  13. 2.06 km W of Cobb, California · 15697 days ago · 3 km deep · 4 km away
  14. 1.519 km ENE of Potter Valley, California · 15697 days ago · 11 km deep · 69 km away
  15. 2.74 km SSE of Dunnigan, California · 15697 days ago · 0 km deep · 72 km away
  16. 1.711 km SW of Kelseyville, California · 15697 days ago · 1 km deep · 19 km away
  17. 2.65 km SW of Cobb, California · 15698 days ago · 0 km deep · 1 km away
  18. 2.43 km WNW of Dunnigan, California · 15698 days ago · 1 km deep · 67 km away
  19. 2.25 km SW of Cobb, California · 15698 days ago · -1 km deep · 1 km away
  20. 1.86 km SW of Cobb, California · 15698 days ago · -1 km deep · 1 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1104971. Read Thu, Oct 1, 2026, 9:05 PM UTC.