California earthquakes

M1.5 earthquake 7 km WSW of Cobb, California

A magnitude 1.5 earthquake struck 7 km WSW of Cobb, California on Sat, Nov 21, 1981, 8:41 PM PST (04:41 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M1.6 2 km ESE of Calpella, 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), micro
Local time
UTC
1981-11-22 04:41:20 UTC
Depth
1.6 km (1.0 mi), shallow
Epicenter
38.806° 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, 0.3 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
74°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 194 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.62 km ESE of Calpella, California · 16374 days ago · 3 km deep · 56 km away
  2. 2.57 km WSW of Cobb, California · 16374 days ago · 1 km deep · 0 km away
  3. 1.619 km ENE of Potter Valley, California · 16373 days ago · 1 km deep · 64 km away
  4. 2.09 km WSW of Cobb, California · 16373 days ago · 3 km deep · 2 km away
  5. 1.511 km NNE of Potter Valley, California · 16373 days ago · 3 km deep · 73 km away
  6. 1.67 km W of Cobb, California · 16372 days ago · 1 km deep · 1 km away
  7. 1.67 km W of Cobb, California · 16372 days ago · 1 km deep · 2 km away
  8. 2.97 km W of Cobb, California · 16372 days ago · 1 km deep · 2 km away
  9. 1.67 km W of Cobb, California · 16372 days ago · 4 km deep · 1 km away
  10. 1.67 km W of Cobb, California · 16372 days ago · 1 km deep · 2 km away
  11. 2.320 km NE of Potter Valley, California · 16372 days ago · 7 km deep · 71 km away
  12. 1.81 km N of Willits, California · 16372 days ago · 7 km deep · 83 km away
  13. 1.56 km WSW of Cobb, California · 16372 days ago · 1 km deep · 1 km away
  14. 1.98 km N of Geyserville, California · 16370 days ago · 5 km deep · 10 km away
  15. 1.57 km W of Cobb, California · 16369 days ago · 0 km deep · 1 km away
  16. 2.26 km W of Cobb, California · 16369 days ago · 3 km deep · 2 km away
  17. 1.65 km SW of Cobb, California · 16369 days ago · -1 km deep · 3 km away
  18. 1.55 km WSW of Cobb, California · 16369 days ago · 0 km deep · 3 km away
  19. 1.67 km ESE of Cloverdale, California · 16369 days ago · 5 km deep · 12 km away
  20. 1.76 km W of Cobb, California · 16368 days ago · 3 km deep · 2 km away
  21. 2.58 km NNW of Redwood Valley, California · 16367 days ago · 6 km deep · 70 km away
  22. 1.78 km W of Cobb, California · 16367 days ago · 0 km deep · 1 km away
  23. 2.29 km WSW of Cobb, California · 16367 days ago · 1 km deep · 2 km away
  24. 1.65 km NW of Moskowite Corner, California · 16367 days ago · 11 km deep · 62 km away
  25. 1.93 km WNW of American Canyon, California · 16366 days ago · 6 km deep · 82 km away
  26. 1.57 km NE of Healdsburg, California · 16365 days ago · 4 km deep · 16 km away
  27. 2.08 km N of Geyserville, California · 16365 days ago · 5 km deep · 10 km away
  28. 2.98 km N of Geyserville, California · 16365 days ago · 5 km deep · 10 km away
  29. 1.88 km ESE of Cloverdale, California · 16365 days ago · 5 km deep · 10 km away
  30. 2.38 km ESE of Cloverdale, California · 16365 days ago · 5 km deep · 10 km away
  31. 1.78 km ESE of Cloverdale, California · 16364 days ago · 5 km deep · 10 km away
  32. 2.98 km N of Geyserville, California · 16363 days ago · 5 km deep · 10 km away
  33. 1.98 km N of Geyserville, California · 16363 days ago · 4 km deep · 10 km away
  34. 2.58 km N of Geyserville, California · 16363 days ago · 4 km deep · 10 km away
  35. 1.78 km N of Geyserville, California · 16363 days ago · 4 km deep · 10 km away
  36. 1.98 km N of Geyserville, California · 16363 days ago · 4 km deep · 10 km away
  37. 1.88 km N of Geyserville, California · 16363 days ago · 3 km deep · 10 km away
  38. 1.621 km W of Stonyford, California · 16363 days ago · 1 km deep · 65 km away
  39. 1.66 km WSW of Cobb, California · 16362 days ago · 4 km deep · 1 km away
  40. 2.213 km NW of Moskowite Corner, California · 16362 days ago · 9 km deep · 54 km away
  41. 1.917 km NNE of Upper Lake, California · 16362 days ago · 6 km deep · 56 km away
  42. 1.6Northern California · 16361 days ago · 1 km deep · 1 km away
  43. 1.86 km WSW of Cobb, California · 16361 days ago · -1 km deep · 2 km away
  44. 2.26 km W of Cobb, California · 16361 days ago · 0 km deep · 1 km away
  45. 2.07 km S of Calistoga, California · 16361 days ago · 7 km deep · 39 km away
  46. 1.67 km W of Cobb, California · 16361 days ago · 1 km deep · 1 km away
  47. 1.83 km NE of Graton, California · 16361 days ago · 4 km deep · 39 km away
  48. 1.6Northern California · 16360 days ago · 1 km deep · 3 km away
  49. 2.33 km NNW of Larkfield-Wikiup, California · 16360 days ago · 5 km deep · 30 km away
  50. 3.27 km ENE of Brooktrails, California · 16360 days ago · 10 km deep · 85 km away
  51. 2.221 km W of Stonyford, California · 16360 days ago · 4 km deep · 65 km away
  52. 1.58 km WSW of Cobb, California · 16359 days ago · 2 km deep · 1 km away
  53. 2.721 km W of Stonyford, California · 16358 days ago · 4 km deep · 65 km away
  54. 2.0Northern California · 16358 days ago · 2 km deep · 65 km away
  55. 2.59 km WSW of Cobb, California · 16358 days ago · 2 km deep · 2 km away
  56. 3.35 km W of Cobb, California · 16357 days ago · 4 km deep · 2 km away
  57. 1.56 km W of Cobb, California · 16357 days ago · 4 km deep · 1 km away
  58. 1.78 km W of Cobb, California · 16357 days ago · 1 km deep · 2 km away
  59. 2.17 km NNE of Hidden Valley Lake, California · 16357 days ago · 7 km deep · 25 km away
  60. 1.79 km WSW of Cobb, California · 16357 days ago · 2 km deep · 2 km away

The first 60 of 194.

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1069645. Read Tue, Sep 22, 2026, 5:22 PM UTC.