California earthquakes

M1.6 earthquake 6 km W of Cobb, California

A magnitude 1.6 earthquake struck 6 km W of Cobb, California on Thu, Aug 12, 1976, 6:19 AM PDT (13:19 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.0 32 km NNE 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1976-08-12 13:19:03 UTC
Depth
3.3 km (2.1 mi), shallow
Epicenter
38.821° N, 122.797° 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, 0.6 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
47°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 96 in the 60 days after this one and 47 in the 30 days before it.

After

  1. 1.82 km NW of Larkfield-Wikiup, California · 18315 days ago · 3 km deep · 32 km away
  2. 1.66 km W of Cobb, California · 18315 days ago · 3 km deep · 0 km away
  3. 2.4Northern California · 18313 days ago · 2 km deep · 17 km away
  4. 2.12 km ESE of Clear Lake Riviera, California · 18313 days ago · 2 km deep · 17 km away
  5. 2.53 km ESE of Clear Lake Riviera, California · 18313 days ago · 2 km deep · 17 km away
  6. 1.67 km WSW of Cobb, California · 18312 days ago · 2 km deep · 2 km away
  7. 1.92 km ESE of Clear Lake Riviera, California · 18312 days ago · 1 km deep · 17 km away
  8. 1.811 km SW of Hopland, California · 18312 days ago · 0 km deep · 38 km away
  9. 1.96 km W of Cobb, California · 18311 days ago · 4 km deep · 0 km away
  10. 2.23 km ESE of Clear Lake Riviera, California · 18311 days ago · 2 km deep · 17 km away
  11. 3.02 km ESE of Clear Lake Riviera, California · 18311 days ago · 1 km deep · 17 km away
  12. 1.88 km WSW of Cobb, California · 18309 days ago · 0 km deep · 2 km away
  13. 1.77 km WSW of Cobb, California · 18309 days ago · 0 km deep · 2 km away
  14. 1.66 km W of Cobb, California · 18308 days ago · 3 km deep · 1 km away
  15. 1.61 km SE of Clear Lake Riviera, California · 18307 days ago · 0 km deep · 16 km away
  16. 1.67 km W of Cobb, California · 18307 days ago · 1 km deep · 1 km away
  17. 1.53 km SSE of Lower Lake, California · 18307 days ago · 6 km deep · 18 km away
  18. 1.66 km W of Cobb, California · 18307 days ago · 2 km deep · 1 km away
  19. 1.58 km WSW of Cobb, California · 18307 days ago · 4 km deep · 3 km away
  20. 1.54 km ENE of Clear Lake Riviera, California · 18307 days ago · 3 km deep · 19 km away
  21. 2.27 km WSW of Cobb, California · 18306 days ago · 1 km deep · 2 km away
  22. 1.88 km WSW of Cobb, California · 18304 days ago · 0 km deep · 2 km away
  23. 1.68 km WSW of Cobb, California · 18304 days ago · -1 km deep · 3 km away
  24. 1.74 km WSW of Cobb, California · 18303 days ago · 2 km deep · 3 km away
  25. 2.49 km W of Cobb, California · 18303 days ago · 0 km deep · 3 km away
  26. 1.57 km WSW of Cobb, California · 18303 days ago · 1 km deep · 2 km away
  27. 1.610 km N of Cloverdale, California · 18302 days ago · 3 km deep · 21 km away
  28. 1.85 km WSW of Cobb, California · 18301 days ago · 0 km deep · 2 km away
  29. 2.49 km E of Hidden Valley Lake, California · 18301 days ago · 8 km deep · 30 km away
  30. 1.88 km WSW of Cobb, California · 18300 days ago · 4 km deep · 3 km away
  31. 1.81 km S of Sea Ranch, California · 18300 days ago · 1 km deep · 59 km away
  32. 1.76 km WSW of Cobb, California · 18298 days ago · 1 km deep · 2 km away
  33. 2.417 km W of Stonyford, California · 18298 days ago · 11 km deep · 59 km away
  34. 1.59 km W of Cobb, California · 18298 days ago · 0 km deep · 3 km away
  35. 1.6Northern California · 18297 days ago · 3 km deep · 1 km away
  36. 1.96 km WSW of Cobb, California · 18297 days ago · -1 km deep · 2 km away
  37. 2.421 km NNE of Upper Lake, California · 18296 days ago · 4 km deep · 59 km away
  38. 1.93 km E of Larkfield-Wikiup, California · 18296 days ago · 8 km deep · 35 km away
  39. 2.112 km NNE of Angwin, California · 18293 days ago · 11 km deep · 40 km away
  40. 2.720 km WSW of Stonyford, California · 18293 days ago · 12 km deep · 54 km away
  41. 1.79 km WNW of Cobb, California · 18292 days ago · -1 km deep · 5 km away
  42. 2.02 km ENE of Clear Lake Riviera, California · 18292 days ago · 4 km deep · 18 km away
  43. 1.84 km WNW of Clearlake, California · 18292 days ago · 6 km deep · 19 km away
  44. 1.72 km ESE of Clear Lake Riviera, California · 18292 days ago · 7 km deep · 16 km away
  45. 1.82 km NE of Clear Lake Riviera, California · 18292 days ago · 3 km deep · 18 km away
  46. 1.93 km NE of Clear Lake Riviera, California · 18292 days ago · 3 km deep · 19 km away
  47. 1.62 km ENE of Clear Lake Riviera, California · 18292 days ago · 4 km deep · 18 km away
  48. 1.62 km NE of Clear Lake Riviera, California · 18292 days ago · 3 km deep · 18 km away
  49. 1.72 km ENE of Clear Lake Riviera, California · 18292 days ago · 4 km deep · 18 km away
  50. 2.58 km E of Larkfield-Wikiup, California · 18292 days ago · 4 km deep · 36 km away
  51. 1.72 km ESE of Clear Lake Riviera, California · 18289 days ago · 1 km deep · 17 km away
  52. 1.54 km WSW of Cobb, California · 18288 days ago · 4 km deep · 3 km away
  53. 2.84 km SW of Green Valley, California · 18288 days ago · 7 km deep · 85 km away
  54. 1.77 km WSW of Cobb, California · 18285 days ago · 2 km deep · 2 km away
  55. 2.14 km WSW of Cobb, California · 18285 days ago · -1 km deep · 2 km away
  56. 1.96 km E of Santa Rosa, California · 18285 days ago · 10 km deep · 46 km away
  57. 2.07 km WSW of Cobb, California · 18285 days ago · 1 km deep · 2 km away
  58. 1.73 km NNW of Clear Lake Riviera, California · 18285 days ago · 2 km deep · 19 km away
  59. 2.013 km NNE of Angwin, California · 18283 days ago · 12 km deep · 40 km away
  60. 2.311 km E of Potter Valley, California · 18283 days ago · 3 km deep · 58 km away

The first 60 of 96.

Before

  1. 1.67 km WSW of Cobb, California · 18316 days ago · 4 km deep · 2 km away
  2. 1.97 km WSW of Cobb, California · 18317 days ago · 4 km deep · 2 km away
  3. 2.57 km WSW of Cobb, California · 18317 days ago · 4 km deep · 2 km away
  4. 2.07 km ENE of Manchester, California · 18317 days ago · 8 km deep · 73 km away
  5. 2.07 km SSW of Clear Lake Riviera, California · 18317 days ago · 2 km deep · 9 km away
  6. 1.87 km WSW of Cobb, California · 18318 days ago · 4 km deep · 3 km away
  7. 1.83 km E of Lucerne, California · 18319 days ago · 7 km deep · 30 km away
  8. 2.04 km E of Lucerne, California · 18319 days ago · 7 km deep · 30 km away
  9. 1.84 km E of Lucerne, California · 18319 days ago · 6 km deep · 29 km away
  10. 1.68 km ESE of Hopland, California · 18319 days ago · 2 km deep · 24 km away
  11. 2.08 km W of Cobb, California · 18319 days ago · 0 km deep · 2 km away
  12. 1.95 km W of Cobb, California · 18320 days ago · 1 km deep · 1 km away
  13. 3.04 km WSW of Cobb, California · 18321 days ago · 4 km deep · 3 km away
  14. 2.26 km W of Cobb, California · 18323 days ago · 4 km deep · 0 km away
  15. 1.56 km W of Cobb, California · 18323 days ago · 4 km deep · 1 km away
  16. 2.16 km W of Cobb, California · 18323 days ago · 3 km deep · 1 km away
  17. 1.96 km E of Lucerne, California · 18324 days ago · 1 km deep · 30 km away
  18. 2.29 km NW of Moskowite Corner, California · 18326 days ago · 13 km deep · 58 km away
  19. 2.0Northern California · 18327 days ago · 1 km deep · 2 km away
  20. 1.85 km N of Windsor, California · 18328 days ago · 5 km deep · 25 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1030865. Read Mon, Oct 5, 2026, 3:22 AM UTC.