California earthquakes

M2.0 earthquake 9 km W of Cobb, California

A magnitude 2.0 earthquake struck 9 km W of Cobb, California on Wed, Feb 4, 1987, 4:56 PM PST (00:56 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.2 6 km W 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.

Open the live map with earthquakes

The earthquake

Magnitude
2.0 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1987-02-05 00:56:18 UTC
Depth
0.2 km (0.2 mi), shallow
Epicenter
38.823° N, 122.835° 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 0.1 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
88°
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: 173 in the 60 days after this one and 99 in the 30 days before it.

After

  1. 2.09 km W of Cobb, California · 14484 days ago · -1 km deep · 0 km away
  2. 1.66 km W of Cobb, California · 14483 days ago · 3 km deep · 4 km away
  3. 2.011 km NE of Talmage, California · 14483 days ago · 7 km deep · 47 km away
  4. 1.65 km W of Cobb, California · 14482 days ago · 0 km deep · 4 km away
  5. 1.65 km SW of Cobb, California · 14482 days ago · 1 km deep · 7 km away
  6. 1.7Northern California · 14480 days ago · 0 km deep · 5 km away
  7. 2.06 km W of Cobb, California · 14480 days ago · 3 km deep · 3 km away
  8. 1.918 km E of Sea Ranch, California · 14479 days ago · 0 km deep · 37 km away
  9. 1.67 km W of Cobb, California · 14479 days ago · 3 km deep · 3 km away
  10. 1.88 km W of Cobb, California · 14479 days ago · 0 km deep · 1 km away
  11. 1.98 km W of Cobb, California · 14479 days ago · 1 km deep · 1 km away
  12. 2.46 km E of Hopland, California · 14478 days ago · 7 km deep · 25 km away
  13. 1.67 km WSW of Cobb, California · 14477 days ago · 1 km deep · 4 km away
  14. 1.97 km WSW of Cobb, California · 14477 days ago · 1 km deep · 4 km away
  15. 1.66 km WNW of Cobb, California · 14477 days ago · -1 km deep · 3 km away
  16. 1.88 km WNW of Cobb, California · 14477 days ago · -1 km deep · 3 km away
  17. 2.05 km WSW of Cobb, California · 14477 days ago · 0 km deep · 5 km away
  18. 1.67 km W of Kenwood, California · 14476 days ago · 6 km deep · 48 km away
  19. 2.96 km W of Cobb, California · 14476 days ago · 0 km deep · 3 km away
  20. 1.76 km W of Cobb, California · 14476 days ago · 0 km deep · 4 km away
  21. 3.16 km W of Cobb, California · 14476 days ago · 1 km deep · 4 km away
  22. 1.85 km SW of Cobb, California · 14476 days ago · 2 km deep · 8 km away
  23. 2.014 km ENE of Angwin, California · 14475 days ago · 9 km deep · 50 km away
  24. 2.04 km W of Cobb, California · 14474 days ago · 0 km deep · 5 km away
  25. 2.510 km NW of Cobb, California · 14474 days ago · 0 km deep · 6 km away
  26. 1.68 km WSW of Cobb, California · 14474 days ago · 4 km deep · 3 km away
  27. 2.36 km W of Cobb, California · 14474 days ago · 3 km deep · 3 km away
  28. 1.82 km E of Forestville, California · 14473 days ago · 2 km deep · 39 km away
  29. 1.56 km W of Cobb, California · 14472 days ago · 3 km deep · 3 km away
  30. 1.823 km NE of Potter Valley, California · 14472 days ago · 5 km deep · 71 km away
  31. 1.90 km S of Fulton, California · 14471 days ago · 6 km deep · 38 km away
  32. 1.65 km WNW of Cobb, California · 14471 days ago · 1 km deep · 5 km away
  33. 1.75 km WNW of Cobb, California · 14471 days ago · 1 km deep · 5 km away
  34. 1.86 km W of Cobb, California · 14471 days ago · 3 km deep · 3 km away
  35. 1.97 km W of Cobb, California · 14471 days ago · 1 km deep · 2 km away
  36. 2.06 km SW of Cobb, California · 14471 days ago · 2 km deep · 7 km away
  37. 2.06 km W of Cobb, California · 14470 days ago · 4 km deep · 4 km away
  38. 3.111 km NNE of Comptche, California · 14470 days ago · 2 km deep · 84 km away
  39. 1.69 km ESE of Hidden Valley Lake, California · 14470 days ago · 7 km deep · 33 km away
  40. 1.86 km SW of Cobb, California · 14469 days ago · 3 km deep · 6 km away
  41. 2.19 km W of Cobb, California · 14469 days ago · 1 km deep · 2 km away
  42. 1.74 km W of Cobb, California · 14469 days ago · -1 km deep · 5 km away
  43. 1.77 km W of Cobb, California · 14469 days ago · 3 km deep · 2 km away
  44. 2.56 km W of Cobb, California · 14468 days ago · 2 km deep · 4 km away
  45. 2.36 km W of Cobb, California · 14468 days ago · 2 km deep · 4 km away
  46. 1.79 km WSW of Cobb, California · 14468 days ago · 2 km deep · 3 km away
  47. 1.76 km WSW of Cobb, California · 14468 days ago · 3 km deep · 4 km away
  48. 1.52 km SSE of Cobb, California · 14468 days ago · 4 km deep · 10 km away
  49. 1.710 km NW of Cobb, California · 14467 days ago · 1 km deep · 6 km away
  50. 1.81 km W of Cobb, California · 14467 days ago · 4 km deep · 8 km away
  51. 1.59 km W of Cobb, California · 14467 days ago · 0 km deep · 1 km away
  52. 2.16 km W of Cobb, California · 14466 days ago · 3 km deep · 3 km away
  53. 2.13 km SW of Cobb, California · 14466 days ago · 1 km deep · 8 km away
  54. 2.47 km WSW of Cobb, California · 14465 days ago · 1 km deep · 4 km away
  55. 2.04 km SW of Cobb, California · 14465 days ago · 1 km deep · 7 km away
  56. 1.96 km W of Cobb, California · 14465 days ago · 3 km deep · 3 km away
  57. 1.76 km WSW of Cobb, California · 14465 days ago · 4 km deep · 4 km away
  58. 1.84 km WSW of Cobb, California · 14464 days ago · 1 km deep · 6 km away
  59. 1.89 km W of Cobb, California · 14464 days ago · -1 km deep · 0 km away
  60. 2.117 km SW of Cloverdale, California · 14464 days ago · 14 km deep · 32 km away

The first 60 of 173.

Before

  1. 1.99 km W of Cobb, California · 14484 days ago · 4 km deep · 1 km away
  2. 1.54 km W of Cobb, California · 14485 days ago · -1 km deep · 5 km away
  3. 1.87 km W of Cobb, California · 14485 days ago · 0 km deep · 3 km away
  4. 1.85 km WNW of Cobb, California · 14486 days ago · 2 km deep · 5 km away
  5. 1.56 km WSW of Cobb, California · 14486 days ago · 4 km deep · 4 km away
  6. 1.75 km W of Cobb, California · 14486 days ago · 1 km deep · 4 km away
  7. 2.06 km W of Cobb, California · 14486 days ago · 0 km deep · 3 km away
  8. 1.96 km W of Cobb, California · 14487 days ago · 3 km deep · 3 km away
  9. 2.05 km SW of Cobb, California · 14488 days ago · 0 km deep · 7 km away
  10. 2.4Northern California · 14490 days ago · -1 km deep · 39 km away
  11. 2.05 km WNW of Cobb, California · 14490 days ago · 1 km deep · 5 km away
  12. 1.96 km W of Cobb, California · 14491 days ago · 3 km deep · 3 km away
  13. 2.15 km SW of Cobb, California · 14491 days ago · 2 km deep · 7 km away
  14. 1.86 km W of Cobb, California · 14491 days ago · 1 km deep · 4 km away
  15. 1.86 km W of Cobb, California · 14491 days ago · 3 km deep · 3 km away
  16. 1.66 km WNW of Cobb, California · 14492 days ago · 0 km deep · 4 km away
  17. 1.53 km SW of Cobb, California · 14492 days ago · 0 km deep · 8 km away
  18. 1.66 km WSW of Cobb, California · 14492 days ago · 0 km deep · 4 km away
  19. 2.77 km WSW of Cobb, California · 14493 days ago · 0 km deep · 3 km away
  20. 1.66 km W of Cobb, California · 14493 days ago · 3 km deep · 4 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc93891. Read Thu, Oct 1, 2026, 6:47 PM UTC.