California earthquakes

M2.0 earthquake 6 km SW of Cobb, California

A magnitude 2.0 earthquake struck 6 km SW of Cobb, California on Tue, Apr 14, 1987, 10:42 AM PDT (17:42 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.5 5 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), micro
Local time
UTC
1987-04-14 17:42:07 UTC
Depth
2.7 km (1.7 mi), shallow
Epicenter
38.788° N, 122.783° 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, 0.4 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
76°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 174 in the 60 days after this one and 99 in the 30 days before it.

After

  1. 1.67 km W of Cobb, California · 14412 days ago · 3 km deep · 4 km away
  2. 1.65 km SW of Cobb, California · 14412 days ago · 0 km deep · 1 km away
  3. 1.66 km W of Cobb, California · 14412 days ago · 2 km deep · 4 km away
  4. 1.87 km WSW of Cobb, California · 14412 days ago · 1 km deep · 3 km away
  5. 1.95 km SSW of Cobb, California · 14412 days ago · 0 km deep · 2 km away
  6. 1.67 km W of Cobb, California · 14412 days ago · 1 km deep · 6 km away
  7. 1.83 km W of Cobb, California · 14412 days ago · 1 km deep · 5 km away
  8. 1.86 km SW of Cobb, California · 14411 days ago · 2 km deep · 0 km away
  9. 2.16 km W of Cobb, California · 14411 days ago · 3 km deep · 4 km away
  10. 2.14 km SW of Cobb, California · 14411 days ago · 0 km deep · 2 km away
  11. 2.25 km W of Cobb, California · 14411 days ago · 1 km deep · 5 km away
  12. 1.65 km SW of Cobb, California · 14410 days ago · -1 km deep · 2 km away
  13. 1.54 km SW of Cobb, California · 14410 days ago · 0 km deep · 2 km away
  14. 1.79 km WNW of Cobb, California · 14410 days ago · 1 km deep · 8 km away
  15. 1.76 km W of Cobb, California · 14409 days ago · 2 km deep · 5 km away
  16. 1.64 km SW of Cobb, California · 14408 days ago · 0 km deep · 2 km away
  17. 2.35 km SW of Cobb, California · 14408 days ago · 1 km deep · 1 km away
  18. 1.513 km NNE of Angwin, California · 14407 days ago · 4 km deep · 36 km away
  19. 1.76 km WSW of Cobb, California · 14407 days ago · 4 km deep · 2 km away
  20. 2.27 km WSW of Cobb, California · 14407 days ago · 1 km deep · 2 km away
  21. 2.38 km WSW of Cobb, California · 14407 days ago · 1 km deep · 3 km away
  22. 2.86 km W of Cobb, California · 14407 days ago · 2 km deep · 4 km away
  23. 2.17 km W of Cobb, California · 14406 days ago · 3 km deep · 4 km away
  24. 1.512 km NE of Lucerne, California · 14406 days ago · 13 km deep · 44 km away
  25. 1.811 km NNE of Geyserville, California · 14406 days ago · 3 km deep · 6 km away
  26. 1.77 km W of Cobb, California · 14405 days ago · 3 km deep · 3 km away
  27. 1.76 km W of Cobb, California · 14405 days ago · 4 km deep · 4 km away
  28. 1.84 km W of Moskowite Corner, California · 14405 days ago · 7 km deep · 61 km away
  29. 1.76 km WSW of Cobb, California · 14405 days ago · 1 km deep · 3 km away
  30. 1.87 km W of Cobb, California · 14404 days ago · 3 km deep · 4 km away
  31. 1.74 km SSW of Cobb, California · 14404 days ago · -1 km deep · 3 km away
  32. 2.15 km WNW of Cobb, California · 14403 days ago · 0 km deep · 5 km away
  33. 1.65 km W of Cobb, California · 14403 days ago · 1 km deep · 4 km away
  34. 1.65 km W of Cobb, California · 14403 days ago · -1 km deep · 4 km away
  35. 2.47 km WSW of Cobb, California · 14403 days ago · 1 km deep · 3 km away
  36. 2.2Northern California · 14403 days ago · 2 km deep · 4 km away
  37. 1.56 km W of Cobb, California · 14403 days ago · 1 km deep · 3 km away
  38. 1.75 km WNW of Cobb, California · 14403 days ago · 1 km deep · 5 km away
  39. 1.85 km WNW of Cobb, California · 14402 days ago · 1 km deep · 5 km away
  40. 2.85 km SW of Cobb, California · 14402 days ago · 2 km deep · 1 km away
  41. 1.86 km W of Cobb, California · 14402 days ago · 3 km deep · 3 km away
  42. 2.10 km SSW of Kelseyville, California · 14401 days ago · 4 km deep · 21 km away
  43. 1.70 km SSW of Kelseyville, California · 14401 days ago · 4 km deep · 21 km away
  44. 1.60 km N of Kelseyville, California · 14401 days ago · 4 km deep · 22 km away
  45. 2.7Northern California · 14401 days ago · 4 km deep · 22 km away
  46. 2.0Northern California · 14401 days ago · 4 km deep · 22 km away
  47. 1.80 km N of Kelseyville, California · 14401 days ago · 3 km deep · 22 km away
  48. 2.80 km WSW of Kelseyville, California · 14401 days ago · 3 km deep · 22 km away
  49. 1.70 km WSW of Kelseyville, California · 14401 days ago · 4 km deep · 22 km away
  50. 2.8Northern California · 14401 days ago · 4 km deep · 22 km away
  51. 1.80 km N of Kelseyville, California · 14401 days ago · 3 km deep · 22 km away
  52. 1.70 km NNW of Kelseyville, California · 14401 days ago · 2 km deep · 22 km away
  53. 1.77 km WSW of Cobb, California · 14401 days ago · 3 km deep · 3 km away
  54. 1.615 km ENE of Potter Valley, California · 14401 days ago · 6 km deep · 65 km away
  55. 2.15 km WSW of Cobb, California · 14400 days ago · 4 km deep · 1 km away
  56. 2.54 km SW of Cobb, California · 14400 days ago · 0 km deep · 2 km away
  57. 1.74 km W of Cobb, California · 14400 days ago · -1 km deep · 3 km away
  58. 2.90 km ENE of Kelseyville, California · 14400 days ago · 4 km deep · 22 km away
  59. 1.90 km WNW of Kelseyville, California · 14400 days ago · 3 km deep · 22 km away
  60. 1.60 km ENE of Kelseyville, California · 14400 days ago · 4 km deep · 22 km away

The first 60 of 174.

Before

  1. 1.87 km W of Cobb, California · 14414 days ago · 4 km deep · 4 km away
  2. 1.97 km W of Cobb, California · 14414 days ago · 4 km deep · 4 km away
  3. 1.62 km ESE of Calpella, California · 14414 days ago · 5 km deep · 59 km away
  4. 1.86 km W of Cobb, California · 14414 days ago · 3 km deep · 4 km away
  5. 1.9Northern California · 14415 days ago · 0 km deep · 2 km away
  6. 2.16 km W of Cobb, California · 14415 days ago · 4 km deep · 5 km away
  7. 1.95 km W of Cobb, California · 14415 days ago · 1 km deep · 3 km away
  8. 2.47 km W of Cobb, California · 14415 days ago · 1 km deep · 5 km away
  9. 2.66 km W of Cobb, California · 14416 days ago · 3 km deep · 4 km away
  10. 1.64 km WSW of Cobb, California · 14417 days ago · 2 km deep · 3 km away
  11. 1.67 km ENE of Talmage, California · 14417 days ago · 4 km deep · 49 km away
  12. 1.720 km ENE of Potter Valley, California · 14417 days ago · 7 km deep · 68 km away
  13. 1.83 km SW of Cobb, California · 14418 days ago · 0 km deep · 3 km away
  14. 1.76 km ENE of Willits, California · 14418 days ago · 3 km deep · 83 km away
  15. 2.36 km ENE of Willits, California · 14418 days ago · 3 km deep · 84 km away
  16. 2.56 km ENE of Willits, California · 14418 days ago · 3 km deep · 83 km away
  17. 2.86 km ENE of Willits, California · 14418 days ago · 3 km deep · 83 km away
  18. 1.56 km ENE of Willits, California · 14418 days ago · 4 km deep · 84 km away
  19. 1.76 km ENE of Willits, California · 14418 days ago · 3 km deep · 84 km away
  20. 2.96 km ENE of Willits, California · 14418 days ago · 4 km deep · 84 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc98546. Read Tue, Sep 29, 2026, 12:44 PM UTC.