California earthquakes

M2.0 earthquake 6 km W of Cobb, California

A magnitude 2.0 earthquake struck 6 km W of Cobb, California on Tue, Jul 14, 1987, 10:57 AM PDT (17:57 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.9 5 km SW 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
2.0 (md), micro
Local time
UTC
1987-07-14 17:57:26 UTC
Depth
3.2 km (2.0 mi), shallow
Epicenter
38.820° N, 122.800° 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, 0.9 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
53°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 165 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.56 km W of Cobb, California · 14305 days ago · 2 km deep · 0 km away
  2. 2.95 km SW of Cobb, California · 14305 days ago · 0 km deep · 5 km away
  3. 1.87 km W of Cobb, California · 14305 days ago · 3 km deep · 1 km away
  4. 1.85 km SSW of Potter Valley, California · 14305 days ago · 2 km deep · 59 km away
  5. 1.65 km WSW of Cobb, California · 14304 days ago · 1 km deep · 2 km away
  6. 1.76 km WSW of Cobb, California · 14304 days ago · 3 km deep · 1 km away
  7. 2.06 km W of Cobb, California · 14304 days ago · 3 km deep · 0 km away
  8. 2.0Northern California · 14304 days ago · 4 km deep · 3 km away
  9. 2.38 km W of Cobb, California · 14303 days ago · 0 km deep · 2 km away
  10. 1.64 km WNW of Cobb, California · 14302 days ago · 2 km deep · 3 km away
  11. 1.83 km NNW of Cloverdale, California · 14302 days ago · -1 km deep · 20 km away
  12. 2.24 km SW of Cobb, California · 14302 days ago · 0 km deep · 4 km away
  13. 1.66 km SSW of Cobb, California · 14301 days ago · -1 km deep · 7 km away
  14. 1.88 km W of Cobb, California · 14301 days ago · -1 km deep · 2 km away
  15. 1.85 km WSW of Cobb, California · 14301 days ago · 1 km deep · 1 km away
  16. 2.25 km W of Cobb, California · 14301 days ago · 1 km deep · 2 km away
  17. 1.66 km W of Cobb, California · 14299 days ago · 3 km deep · 1 km away
  18. 1.67 km WSW of Cobb, California · 14299 days ago · 4 km deep · 3 km away
  19. 2.08 km W of Cobb, California · 14299 days ago · 1 km deep · 2 km away
  20. 2.55 km SSW of Cobb, California · 14299 days ago · 0 km deep · 6 km away
  21. 2.75 km SSW of Cobb, California · 14299 days ago · 0 km deep · 6 km away
  22. 1.68 km W of Cobb, California · 14298 days ago · 0 km deep · 2 km away
  23. 1.64 km W of Cobb, California · 14298 days ago · 0 km deep · 2 km away
  24. 1.95 km NW of Green Valley, California · 14298 days ago · 4 km deep · 78 km away
  25. 1.76 km W of Cobb, California · 14297 days ago · 3 km deep · 0 km away
  26. 1.67 km W of Cobb, California · 14297 days ago · 1 km deep · 1 km away
  27. 1.94 km SW of Cobb, California · 14297 days ago · 1 km deep · 4 km away
  28. 1.86 km W of Cobb, California · 14296 days ago · 3 km deep · 1 km away
  29. 2.46 km W of Cobb, California · 14296 days ago · 3 km deep · 1 km away
  30. 1.66 km SW of Glen Ellen, California · 14296 days ago · 8 km deep · 58 km away
  31. 1.85 km WNW of Cobb, California · 14296 days ago · 3 km deep · 3 km away
  32. 2.05 km W of Cobb, California · 14296 days ago · 1 km deep · 1 km away
  33. 1.73 km W of Cobb, California · 14295 days ago · 0 km deep · 3 km away
  34. 2.06 km WSW of Cobb, California · 14295 days ago · 3 km deep · 2 km away
  35. 2.05 km WSW of Cobb, California · 14295 days ago · 1 km deep · 3 km away
  36. 1.76 km WSW of Cobb, California · 14295 days ago · -1 km deep · 2 km away
  37. 1.95 km W of Cobb, California · 14294 days ago · 1 km deep · 1 km away
  38. 2.14 km WSW of Cobb, California · 14293 days ago · 1 km deep · 3 km away
  39. 1.64 km WSW of Cobb, California · 14292 days ago · 1 km deep · 3 km away
  40. 1.64 km WSW of Cobb, California · 14292 days ago · 1 km deep · 3 km away
  41. 1.75 km WSW of Cobb, California · 14292 days ago · 1 km deep · 2 km away
  42. 1.59 km W of Cobb, California · 14292 days ago · 1 km deep · 3 km away
  43. 2.35 km WSW of Cobb, California · 14292 days ago · 0 km deep · 3 km away
  44. 2.05 km WSW of Cobb, California · 14291 days ago · -1 km deep · 2 km away
  45. 1.66 km W of Cobb, California · 14290 days ago · 3 km deep · 0 km away
  46. 1.86 km WSW of Cobb, California · 14289 days ago · 3 km deep · 2 km away
  47. 1.78 km W of Cobb, California · 14289 days ago · 1 km deep · 2 km away
  48. 1.65 km W of Cobb, California · 14288 days ago · 0 km deep · 1 km away
  49. 1.65 km W of Cobb, California · 14288 days ago · 0 km deep · 1 km away
  50. 1.64 km WSW of Cobb, California · 14288 days ago · 1 km deep · 3 km away
  51. 1.66 km W of Cobb, California · 14288 days ago · 3 km deep · 0 km away
  52. 1.86 km SW of Cobb, California · 14288 days ago · 1 km deep · 4 km away
  53. 1.86 km SW of Cobb, California · 14288 days ago · 1 km deep · 4 km away
  54. 1.75 km W of Cobb, California · 14288 days ago · -1 km deep · 2 km away
  55. 1.67 km W of Cobb, California · 14287 days ago · 1 km deep · 1 km away
  56. 1.86 km SW of Cobb, California · 14287 days ago · 0 km deep · 4 km away
  57. 2.010 km SE of Willits, California · 14286 days ago · 0 km deep · 71 km away
  58. 1.86 km WSW of Cobb, California · 14286 days ago · 0 km deep · 1 km away
  59. 1.86 km WSW of Cobb, California · 14286 days ago · 1 km deep · 2 km away
  60. 1.66 km W of Cobb, California · 14286 days ago · 2 km deep · 1 km away

The first 60 of 165.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc103133. Read Tue, Sep 22, 2026, 10:27 PM UTC.