California earthquakes

M3.5 earthquake 15 km N of Brooktrails, California

A magnitude 3.5 earthquake struck 15 km N of Brooktrails, California on Thu, Oct 22, 1981, 4:00 AM PDT (11:00 UTC), 9 km (6 mi) below the surface.

Brooktrails 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
3.5 (md), minor
Local time
UTC
1981-10-22 11:00:18 UTC
Depth
9.4 km (5.8 mi), shallow
Epicenter
39.577° N, 123.356° 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, 0.6 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
60°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 129 in the 60 days after this one and 59 in the 30 days before it.

After

  1. 2.29 km WSW of Cobb, California · 16405 days ago · 0 km deep · 97 km away
  2. 2.129 km WSW of Paskenta, California · 16402 days ago · 11 km deep · 49 km away
  3. 1.77 km WSW of Cobb, California · 16400 days ago · 1 km deep · 98 km away
  4. 1.66 km W of Cobb, California · 16400 days ago · 4 km deep · 98 km away
  5. 1.56 km WNW of Cobb, California · 16399 days ago · 1 km deep · 96 km away
  6. 1.59 km WSW of Cobb, California · 16398 days ago · 1 km deep · 97 km away
  7. 2.07 km W of Cobb, California · 16398 days ago · 1 km deep · 96 km away
  8. 3.17 km W of Cobb, California · 16398 days ago · 1 km deep · 96 km away
  9. 2.26 km W of Cobb, California · 16398 days ago · 0 km deep · 96 km away
  10. 2.12 km NNW of Covelo, California · 16397 days ago · -1 km deep · 28 km away
  11. 1.610 km WSW of Cobb, California · 16397 days ago · 3 km deep · 97 km away
  12. 1.89 km WSW of Cobb, California · 16397 days ago · 1 km deep · 98 km away
  13. 3.19 km WSW of Cobb, California · 16397 days ago · 1 km deep · 98 km away
  14. 3.39 km WSW of Cobb, California · 16397 days ago · 1 km deep · 98 km away
  15. 1.98 km WSW of Cobb, California · 16397 days ago · 1 km deep · 98 km away
  16. 1.64 km SSE of Clear Lake Riviera, California · 16394 days ago · 3 km deep · 93 km away
  17. 2.117 km W of Laytonville, California · 16393 days ago · -1 km deep · 30 km away
  18. 1.99 km ESE of Willits, California · 16391 days ago · 7 km deep · 23 km away
  19. 2.523 km W of Elk Creek, California · 16391 days ago · 6 km deep · 47 km away
  20. 1.817 km W of Laytonville, California · 16391 days ago · -1 km deep · 30 km away
  21. 2.26 km W of Cobb, California · 16388 days ago · 3 km deep · 97 km away
  22. 1.715 km WSW of Paskenta, California · 16387 days ago · 4 km deep · 63 km away
  23. 1.99 km WSW of Cobb, California · 16383 days ago · 2 km deep · 97 km away
  24. 2.57 km WSW of Cobb, California · 16382 days ago · 1 km deep · 99 km away
  25. 1.66 km WSW of Cobb, California · 16382 days ago · -1 km deep · 98 km away
  26. 1.67 km W of Cobb, California · 16381 days ago · 1 km deep · 96 km away
  27. 2.07 km W of Cobb, California · 16381 days ago · -1 km deep · 96 km away
  28. 2.06 km WSW of Cobb, California · 16380 days ago · 1 km deep · 98 km away
  29. 2.06 km WSW of Cobb, California · 16380 days ago · 1 km deep · 98 km away
  30. 1.96 km WSW of Cobb, California · 16380 days ago · 1 km deep · 98 km away
  31. 1.78 km SE of Willits, California · 16379 days ago · 3 km deep · 25 km away
  32. 1.68 km E of Willits, California · 16378 days ago · 8 km deep · 22 km away
  33. 1.75 km WSW of Cobb, California · 16378 days ago · 0 km deep · 99 km away
  34. 1.720 km WSW of Weott, California · 16378 days ago · 5 km deep · 99 km away
  35. 1.716 km NE of Miranda, California · 16376 days ago · 16 km deep · 91 km away
  36. 1.511 km SW of Covelo, California · 16376 days ago · 7 km deep · 15 km away
  37. 2.09 km NNE of Cloverdale, California · 16375 days ago · 1 km deep · 84 km away
  38. 1.57 km WSW of Cobb, California · 16375 days ago · 2 km deep · 98 km away
  39. 1.94 km W of Cobb, California · 16375 days ago · 1 km deep · 98 km away
  40. 2.16 km WSW of Cobb, California · 16374 days ago · 0 km deep · 100 km away
  41. 2.46 km WSW of Cobb, California · 16374 days ago · 1 km deep · 100 km away
  42. 1.62 km ESE of Calpella, California · 16374 days ago · 3 km deep · 43 km away
  43. 2.57 km WSW of Cobb, California · 16373 days ago · 1 km deep · 98 km away
  44. 1.619 km ENE of Potter Valley, California · 16373 days ago · 1 km deep · 45 km away
  45. 2.09 km WSW of Cobb, California · 16373 days ago · 3 km deep · 98 km away
  46. 1.511 km NNE of Potter Valley, California · 16372 days ago · 3 km deep · 29 km away
  47. 1.67 km W of Cobb, California · 16372 days ago · 1 km deep · 97 km away
  48. 1.67 km W of Cobb, California · 16372 days ago · 1 km deep · 96 km away
  49. 2.97 km W of Cobb, California · 16372 days ago · 1 km deep · 96 km away
  50. 1.67 km W of Cobb, California · 16372 days ago · 4 km deep · 97 km away
  51. 1.67 km W of Cobb, California · 16372 days ago · 1 km deep · 96 km away
  52. 2.320 km NE of Potter Valley, California · 16372 days ago · 7 km deep · 40 km away
  53. 1.81 km N of Willits, California · 16371 days ago · 7 km deep · 17 km away
  54. 2.312 km WSW of Weott, California · 16371 days ago · 4 km deep · 97 km away
  55. 1.56 km WSW of Cobb, California · 16371 days ago · 1 km deep · 98 km away
  56. 1.98 km N of Geyserville, California · 16370 days ago · 5 km deep · 96 km away
  57. 2.34 km NNW of Laytonville, California · 16369 days ago · 11 km deep · 21 km away
  58. 2.04 km NNW of Laytonville, California · 16369 days ago · 11 km deep · 21 km away
  59. 1.57 km W of Cobb, California · 16369 days ago · 0 km deep · 96 km away
  60. 2.26 km W of Cobb, California · 16369 days ago · 3 km deep · 97 km away

The first 60 of 129.

Before

  1. 1.68 km ENE of Brooktrails, California · 16406 days ago · 8 km deep · 11 km away
  2. 1.822 km WSW of Weott, California · 16409 days ago · 4 km deep · 100 km away
  3. 1.57 km WSW of Cobb, California · 16410 days ago · 2 km deep · 99 km away
  4. 1.89 km WSW of Cobb, California · 16411 days ago · 1 km deep · 98 km away
  5. 1.69 km WSW of Cobb, California · 16413 days ago · 1 km deep · 98 km away
  6. 2.13 km NE of Redway, California · 16414 days ago · 20 km deep · 74 km away
  7. 1.67 km W of Cobb, California · 16415 days ago · 1 km deep · 98 km away
  8. 1.58 km NNE of Cloverdale, California · 16415 days ago · 3 km deep · 84 km away
  9. 1.59 km WSW of Cobb, California · 16416 days ago · 1 km deep · 97 km away
  10. 1.94 km WSW of Cobb, California · 16416 days ago · 1 km deep · 100 km away
  11. 1.618 km NE of Upper Lake, California · 16416 days ago · 5 km deep · 57 km away
  12. 3.1Northern California · 16417 days ago · 1 km deep · 98 km away
  13. 1.69 km WSW of Cobb, California · 16417 days ago · 3 km deep · 98 km away
  14. 2.08 km W of Cobb, California · 16417 days ago · 0 km deep · 97 km away
  15. 1.65 km WSW of Cobb, California · 16418 days ago · 0 km deep · 98 km away
  16. 1.79 km W of Cobb, California · 16418 days ago · 1 km deep · 97 km away
  17. 2.46 km W of Cobb, California · 16419 days ago · 1 km deep · 97 km away
  18. 3.15 km W of Cobb, California · 16419 days ago · 1 km deep · 97 km away
  19. 1.85 km W of Cobb, California · 16419 days ago · 0 km deep · 97 km away
  20. 1.66 km W of Cobb, California · 16419 days ago · 1 km deep · 97 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1068825. Read Tue, Sep 22, 2026, 7:59 AM UTC.