California earthquakes

M1.5 earthquake 8 km W of Cobb, California

A magnitude 1.5 earthquake struck 8 km W of Cobb, California on Wed, Oct 10, 1990, 10:56 AM PDT (17:56 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M3.1 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
1.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1990-10-10 17:56:58 UTC
Depth
1.1 km (0.7 mi), shallow
Epicenter
38.821° N, 122.822° 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 0.3 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.32
Depth from
From location
Station coverage gap
87°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 171 in the 60 days after this one and 69 in the 30 days before it.

After

  1. 1.68 km W of Cobb, California · 13143 days ago · 0 km deep · 1 km away
  2. 2.48 km W of Cobb, California · 13143 days ago · -1 km deep · 0 km away
  3. 1.87 km WSW of Cobb, California · 13143 days ago · 3 km deep · 2 km away
  4. 2.44 km W of Cobb, California · 13143 days ago · 2 km deep · 4 km away
  5. 1.94 km W of Cobb, California · 13143 days ago · 2 km deep · 4 km away
  6. 1.59 km ESE of Hidden Valley Lake, California · 13143 days ago · 5 km deep · 33 km away
  7. 1.84 km ESE of Kenwood, California · 13142 days ago · 1 km deep · 54 km away
  8. 1.76 km ENE of Cloverdale, California · 13142 days ago · 2 km deep · 12 km away
  9. 2.410 km W of Cobb, California · 13142 days ago · 0 km deep · 1 km away
  10. 1.710 km W of Cobb, California · 13142 days ago · 0 km deep · 1 km away
  11. 2.23 km W of Cobb, California · 13141 days ago · 0 km deep · 5 km away
  12. 1.93 km NNE of Cloverdale, California · 13141 days ago · 3 km deep · 16 km away
  13. 1.77 km W of Cobb, California · 13141 days ago · 3 km deep · 1 km away
  14. 2.1Northern California · 13139 days ago · 1 km deep · 11 km away
  15. 1.86 km ENE of Santa Rosa, California · 13139 days ago · 1 km deep · 44 km away
  16. 1.75 km WSW of Cobb, California · 13138 days ago · 0 km deep · 4 km away
  17. 1.9Northern California · 13138 days ago · 2 km deep · 44 km away
  18. 2.25 km ENE of Santa Rosa, California · 13138 days ago · 1 km deep · 44 km away
  19. 1.88 km W of Cobb, California · 13137 days ago · 2 km deep · 1 km away
  20. 2.16 km ENE of Santa Rosa, California · 13137 days ago · 1 km deep · 43 km away
  21. 1.610 km W of Cobb, California · 13137 days ago · 0 km deep · 2 km away
  22. 1.68 km ENE of Brooktrails, California · 13137 days ago · 4 km deep · 84 km away
  23. 2.56 km S of Cobb, California · 13136 days ago · 0 km deep · 10 km away
  24. 1.74 km WSW of Cobb, California · 13135 days ago · 1 km deep · 4 km away
  25. 2.87 km WSW of Cobb, California · 13135 days ago · 0 km deep · 2 km away
  26. 1.67 km WSW of Cobb, California · 13135 days ago · 0 km deep · 3 km away
  27. 2.25 km W of Cobb, California · 13133 days ago · 2 km deep · 4 km away
  28. 1.98 km W of Cobb, California · 13133 days ago · 1 km deep · 0 km away
  29. 1.57 km W of Middletown, California · 13133 days ago · -1 km deep · 14 km away
  30. 2.119 km E of Potter Valley, California · 13133 days ago · 6 km deep · 60 km away
  31. 1.918 km E of Potter Valley, California · 13132 days ago · 4 km deep · 59 km away
  32. 1.55 km WSW of Cobb, California · 13132 days ago · 1 km deep · 5 km away
  33. 2.14 km W of Cobb, California · 13132 days ago · 0 km deep · 4 km away
  34. 1.84 km E of Cobb, California · 13132 days ago · 39 km deep · 13 km away
  35. 1.73 km NNW of Larkfield-Wikiup, California · 13131 days ago · 5 km deep · 31 km away
  36. 1.822 km NNE of Upper Lake, California · 13131 days ago · 6 km deep · 60 km away
  37. 1.66 km ESE of Hopland, California · 13130 days ago · 4 km deep · 25 km away
  38. 1.710 km NW of Cobb, California · 13130 days ago · 0 km deep · 6 km away
  39. 1.712 km ESE of Hidden Valley Lake, California · 13130 days ago · 5 km deep · 34 km away
  40. 2.54 km WSW of Cobb, California · 13129 days ago · 2 km deep · 5 km away
  41. 2.25 km WSW of Cobb, California · 13129 days ago · 0 km deep · 5 km away
  42. 2.16 km SW of Cobb, California · 13128 days ago · 0 km deep · 7 km away
  43. 2.510 km N of Cloverdale, California · 13126 days ago · -1 km deep · 19 km away
  44. 1.86 km E of Santa Rosa, California · 13126 days ago · 0 km deep · 44 km away
  45. 1.67 km S of Cobb, California · 13126 days ago · 2 km deep · 12 km away
  46. 1.76 km E of Santa Rosa, California · 13125 days ago · 1 km deep · 44 km away
  47. 1.94 km W of Cobb, California · 13125 days ago · 0 km deep · 4 km away
  48. 1.76 km E of Santa Rosa, California · 13125 days ago · 0 km deep · 44 km away
  49. 1.62 km NNE of Talmage, California · 13125 days ago · 5 km deep · 47 km away
  50. 1.62 km NNE of Talmage, California · 13125 days ago · 5 km deep · 47 km away
  51. 1.97 km W of Cobb, California · 13125 days ago · 4 km deep · 1 km away
  52. 1.66 km E of Santa Rosa, California · 13125 days ago · 0 km deep · 44 km away
  53. 2.07 km W of Cobb, California · 13124 days ago · 3 km deep · 1 km away
  54. 2.64 km WSW of Cobb, California · 13123 days ago · 1 km deep · 5 km away
  55. 2.03 km SE of Bodega Bay, California · 13123 days ago · 2 km deep · 59 km away
  56. 2.024 km NE of Potter Valley, California · 13123 days ago · 9 km deep · 76 km away
  57. 1.76 km W of Cobb, California · 13121 days ago · 3 km deep · 2 km away
  58. 1.56 km W of Cobb, California · 13121 days ago · 0 km deep · 2 km away
  59. 1.64 km SW of Cobb, California · 13121 days ago · 0 km deep · 7 km away
  60. 2.06 km WSW of Cobb, California · 13120 days ago · 1 km deep · 3 km away

The first 60 of 171.

Before

  1. 3.47 km WSW of Cobb, California · 13143 days ago · 3 km deep · 3 km away
  2. 1.97 km W of Cobb, California · 13143 days ago · 3 km deep · 1 km away
  3. 1.512 km N of Brooktrails, California · 13143 days ago · 8 km deep · 95 km away
  4. 1.610 km SE of Hidden Valley Lake, California · 13144 days ago · 5 km deep · 32 km away
  5. 1.85 km W of Cobb, California · 13144 days ago · 0 km deep · 3 km away
  6. 2.312 km N of Brooktrails, California · 13144 days ago · 9 km deep · 94 km away
  7. 1.812 km N of Brooktrails, California · 13146 days ago · 10 km deep · 95 km away
  8. 1.66 km SW of Cobb, California · 13146 days ago · 0 km deep · 7 km away
  9. 2.25 km WSW of Cobb, California · 13146 days ago · -1 km deep · 5 km away
  10. 1.79 km W of Cobb, California · 13147 days ago · 0 km deep · 1 km away
  11. 2.29 km W of Cobb, California · 13147 days ago · 0 km deep · 1 km away
  12. 1.66 km W of Cobb, California · 13147 days ago · -1 km deep · 3 km away
  13. 2.06 km S of Cobb, California · 13148 days ago · 1 km deep · 11 km away
  14. 1.94 km SW of Cobb, California · 13149 days ago · 0 km deep · 7 km away
  15. 1.94 km WSW of Cobb, California · 13150 days ago · 0 km deep · 5 km away
  16. 1.55 km WNW of Cobb, California · 13151 days ago · 0 km deep · 5 km away
  17. 1.510 km W of Cobb, California · 13151 days ago · 0 km deep · 2 km away
  18. 1.65 km WSW of Cobb, California · 13151 days ago · 1 km deep · 4 km away
  19. 2.022 km NE of Potter Valley, California · 13152 days ago · 6 km deep · 74 km away
  20. 1.75 km SSW of Cobb, California · 13152 days ago · 0 km deep · 8 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc20092417. Read Sun, Oct 4, 2026, 7:45 AM UTC.