California earthquakes

M1.6 earthquake 7 km W of Cobb, California

A magnitude 1.6 earthquake struck 7 km W of Cobb, California on Tue, Mar 9, 1976, 12:36 AM PST (08:36 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.1 7 km WSW of Cobb, 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
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1976-03-09 08:36:01 UTC
Depth
3.3 km (2.0 mi), shallow
Epicenter
38.818° N, 122.808° 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, 0.7 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
42°
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: 62 in the 60 days after this one and 29 in the 30 days before it.

After

  1. 2.04 km W of Hopland, California · 18470 days ago · 7 km deep · 36 km away
  2. 2.16 km W of Cobb, California · 18470 days ago · 0 km deep · 1 km away
  3. 2.87 km W of Cobb, California · 18469 days ago · 4 km deep · 0 km away
  4. 1.68 km WSW of Cobb, California · 18465 days ago · -1 km deep · 2 km away
  5. 1.86 km S of Clear Lake Riviera, California · 18464 days ago · 4 km deep · 12 km away
  6. 1.66 km S of Clear Lake Riviera, California · 18464 days ago · 2 km deep · 11 km away
  7. 1.92 km SE of Clear Lake Riviera, California · 18464 days ago · 1 km deep · 16 km away
  8. 1.69 km W of Cobb, California · 18462 days ago · 0 km deep · 2 km away
  9. 1.88 km WSW of Cobb, California · 18462 days ago · 4 km deep · 2 km away
  10. 1.67 km W of Cobb, California · 18461 days ago · 4 km deep · 0 km away
  11. 1.98 km W of Cobb, California · 18461 days ago · 0 km deep · 1 km away
  12. 1.78 km WSW of Cobb, California · 18461 days ago · 1 km deep · 2 km away
  13. 2.78 km WSW of Cobb, California · 18461 days ago · 1 km deep · 1 km away
  14. 1.67 km E of Hopland, California · 18461 days ago · 7 km deep · 27 km away
  15. 2.27 km SW of Hopland, California · 18461 days ago · 3 km deep · 35 km away
  16. 2.118 km SW of Stonyford, California · 18460 days ago · 8 km deep · 51 km away
  17. 2.2Northern California · 18460 days ago · 4 km deep · 1 km away
  18. 2.117 km W of Stonyford, California · 18456 days ago · 4 km deep · 62 km away
  19. 1.77 km W of Cobb, California · 18451 days ago · 0 km deep · 1 km away
  20. 1.6Northern California · 18451 days ago · 0 km deep · 1 km away
  21. 1.912 km N of Cloverdale, CA · 18450 days ago · 3 km deep · 20 km away
  22. 2.18 km N of Upper Lake, California · 18449 days ago · 1 km deep · 48 km away
  23. 2.16 km WSW of Cobb, California · 18449 days ago · 0 km deep · 1 km away
  24. 2.03 km NNW of Larkfield-Wikiup, California · 18448 days ago · 7 km deep · 31 km away
  25. 2.818 km NNE of Nice, California · 18448 days ago · 7 km deep · 50 km away
  26. 1.98 km WSW of Cobb, California · 18447 days ago · 0 km deep · 2 km away
  27. 1.96 km W of Cobb, California · 18443 days ago · 3 km deep · 1 km away
  28. 2.34 km W of Cobb, California · 18443 days ago · 4 km deep · 3 km away
  29. 2.49 km NNW of Redwood Valley, California · 18441 days ago · 2 km deep · 70 km away
  30. 1.95 km WNW of El Verano, California · 18440 days ago · 0 km deep · 61 km away
  31. 1.55 km WSW of Cobb, California · 18439 days ago · 4 km deep · 3 km away
  32. 2.49 km NE of Santa Rosa, California · 18438 days ago · 4 km deep · 39 km away
  33. 1.87 km E of Talmage, California · 18435 days ago · 5 km deep · 43 km away
  34. 1.93 km E of Talmage, California · 18435 days ago · 5 km deep · 45 km away
  35. 1.87 km W of Cobb, California · 18433 days ago · 4 km deep · 0 km away
  36. 3.17 km NE of Hopland, California · 18433 days ago · 2 km deep · 32 km away
  37. 3.17 km WSW of Cobb, California · 18433 days ago · 1 km deep · 2 km away
  38. 1.76 km W of Cobb, California · 18431 days ago · 4 km deep · 1 km away
  39. 2.36 km W of Cobb, California · 18431 days ago · 4 km deep · 1 km away
  40. 1.88 km W of Cobb, California · 18431 days ago · 1 km deep · 1 km away
  41. 2.15 km ESE of Healdsburg, California · 18430 days ago · 6 km deep · 24 km away
  42. 2.522 km WSW of Williams, California · 18429 days ago · 3 km deep · 46 km away
  43. 1.96 km W of Cobb, California · 18428 days ago · 3 km deep · 1 km away
  44. 2.27 km NNE of Hopland, California · 18427 days ago · 3 km deep · 33 km away
  45. 2.46 km WSW of Glen Ellen, California · 18427 days ago · 8 km deep · 56 km away
  46. 2.1Northern California · 18426 days ago · 4 km deep · 1 km away
  47. 2.87 km NE of Hopland, California · 18425 days ago · 3 km deep · 32 km away
  48. 1.95 km SW of Cobb, California · 18425 days ago · 5 km deep · 5 km away
  49. 1.7Northern California · 18424 days ago · 2 km deep · 2 km away
  50. 1.96 km W of Cobb, California · 18424 days ago · 4 km deep · 1 km away
  51. 2.411 km ESE of Hidden Valley Lake, California · 18423 days ago · 7 km deep · 33 km away
  52. 2.17 km NNE of Hopland, California · 18422 days ago · 1 km deep · 33 km away
  53. 1.77 km W of Cobb, California · 18421 days ago · 3 km deep · 1 km away
  54. 2.0near the coast of Northern California · 18420 days ago · -1 km deep · 32 km away
  55. 1.96 km SW of Lower Lake, California · 18417 days ago · 2 km deep · 14 km away
  56. 2.66 km W of Cobb, California · 18417 days ago · 4 km deep · 1 km away
  57. 2.28 km WSW of Cobb, California · 18417 days ago · 4 km deep · 2 km away
  58. 2.16 km E of Santa Rosa, California · 18415 days ago · 9 km deep · 45 km away
  59. 1.96 km WSW of Cobb, California · 18415 days ago · 4 km deep · 1 km away
  60. 2.17 km WNW of Upper Lake, California · 18413 days ago · 15 km deep · 43 km away

The first 60 of 62.

Before

  1. 2.37 km W of Cobb, California · 18470 days ago · 3 km deep · 0 km away
  2. 1.97 km W of Cobb, California · 18471 days ago · 3 km deep · 0 km away
  3. 1.88 km W of Cobb, California · 18471 days ago · -1 km deep · 1 km away
  4. 1.78 km WSW of Cobb, California · 18473 days ago · 1 km deep · 2 km away
  5. 3.37 km WSW of Cobb, California · 18473 days ago · 0 km deep · 2 km away
  6. 3.14 km WSW of Cobb, California · 18475 days ago · 1 km deep · 3 km away
  7. 2.34 km WSW of Cobb, California · 18475 days ago · 3 km deep · 4 km away
  8. 1.96 km W of Cobb, California · 18476 days ago · 3 km deep · 1 km away
  9. 2.76 km W of Cobb, California · 18476 days ago · 4 km deep · 1 km away
  10. 1.57 km W of Cobb, California · 18478 days ago · 2 km deep · 0 km away
  11. 2.47 km WSW of Cobb, California · 18482 days ago · -1 km deep · 1 km away
  12. 1.58 km W of Cobb, California · 18482 days ago · -1 km deep · 1 km away
  13. 2.28 km WSW of Cobb, California · 18483 days ago · 4 km deep · 2 km away
  14. 2.44 km ENE of Kenwood, California · 18483 days ago · 8 km deep · 51 km away
  15. 2.54 km E of Geyserville, California · 18484 days ago · 4 km deep · 13 km away
  16. 2.57 km W of Cobb, California · 18484 days ago · 0 km deep · 1 km away
  17. 1.97 km W of Cobb, California · 18486 days ago · 0 km deep · 1 km away
  18. 2.16 km W of Cobb, California · 18489 days ago · 3 km deep · 1 km away
  19. 1.96 km WSW of Cobb, California · 18491 days ago · 1 km deep · 1 km away
  20. 1.74 km WSW of Cobb, California · 18491 days ago · 2 km deep · 4 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1029043. Read Sat, Oct 3, 2026, 4:29 PM UTC.