California earthquakes

M1.9 earthquake 11 km NNW of Brooktrails, California

A magnitude 1.9 earthquake struck 11 km NNW of Brooktrails, California on Sun, Jan 25, 1981, 4:50 PM PST (00:50 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.0 4 km NW of Philo, California. This one was a foreshock.

Brooktrails forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.9 (md), micro
Local time
UTC
1981-01-26 00:50:07 UTC
Depth
7.7 km (4.8 mi), shallow
Epicenter
39.533° N, 123.445° 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 0.4 km horizontally, 2.4 km in depth
Magnitude uncertainty
±0.22
Depth from
From location
Station coverage gap
140°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 102 in the 60 days after this one and 73 in the 30 days before it.

After

  1. 1.89 km WSW of Cobb, California · 16674 days ago · 2 km deep · 98 km away
  2. 2.04 km NW of Philo, California · 16674 days ago · 5 km deep · 49 km away
  3. 2.44 km WSW of Cobb, California · 16673 days ago · 2 km deep · 100 km away
  4. 1.66 km W of Cobb, California · 16673 days ago · 3 km deep · 97 km away
  5. 1.816 km NE of Upper Lake, California · 16671 days ago · 0 km deep · 65 km away
  6. 1.76 km WSW of Cobb, California · 16671 days ago · 0 km deep · 99 km away
  7. 1.56 km W of Cobb, California · 16669 days ago · 3 km deep · 97 km away
  8. 2.215 km SSE of Covelo, California · 16669 days ago · 6 km deep · 30 km away
  9. 1.723 km NE of Potter Valley, California · 16668 days ago · 9 km deep · 45 km away
  10. 2.03 km NE of Redway, California · 16667 days ago · 20 km deep · 74 km away
  11. 1.58 km NE of Willits, California · 16667 days ago · 3 km deep · 17 km away
  12. 1.56 km W of Cobb, California · 16666 days ago · 2 km deep · 98 km away
  13. 1.810 km W of Cobb, California · 16665 days ago · 1 km deep · 93 km away
  14. 2.010 km N of Covelo, California · 16665 days ago · 8 km deep · 43 km away
  15. 2.09 km N of Covelo, California · 16665 days ago · 5 km deep · 42 km away
  16. 2.210 km NNE of Covelo, California · 16664 days ago · 8 km deep · 44 km away
  17. 1.6Northern California · 16663 days ago · 1 km deep · 98 km away
  18. 2.0Northern California · 16663 days ago · 1 km deep · 100 km away
  19. 2.77 km NE of Hopland, California · 16663 days ago · 5 km deep · 67 km away
  20. 1.95 km WSW of Cobb, California · 16662 days ago · -1 km deep · 99 km away
  21. 1.86 km WSW of Cobb, California · 16662 days ago · 1 km deep · 99 km away
  22. 2.66 km W of Cobb, California · 16662 days ago · 3 km deep · 97 km away
  23. 1.64 km WSW of Cobb, California · 16662 days ago · 1 km deep · 100 km away
  24. 2.56 km WSW of Cobb, California · 16662 days ago · 3 km deep · 98 km away
  25. 1.65 km W of Cobb, California · 16660 days ago · 1 km deep · 97 km away
  26. 1.67 km E of Willits, California · 16660 days ago · 7 km deep · 21 km away
  27. 2.123 km WSW of Elk Creek, California · 16660 days ago · 7 km deep · 55 km away
  28. 2.18 km W of Cobb, California · 16660 days ago · -1 km deep · 97 km away
  29. 2.310 km W of Cobb, California · 16659 days ago · 1 km deep · 95 km away
  30. 1.99 km WSW of Cobb, California · 16658 days ago · 2 km deep · 97 km away
  31. 1.92 km ENE of Clear Lake Riviera, California · 16658 days ago · 3 km deep · 91 km away
  32. 1.59 km WSW of Cobb, California · 16657 days ago · 2 km deep · 97 km away
  33. 1.69 km WSW of Cobb, California · 16657 days ago · 2 km deep · 97 km away
  34. 2.522 km WSW of Elk Creek, California · 16655 days ago · 6 km deep · 56 km away
  35. 2.310 km SSE of Laytonville, California · 16654 days ago · 4 km deep · 7 km away
  36. 2.09 km WSW of Cobb, California · 16653 days ago · 1 km deep · 97 km away
  37. 1.85 km SE of Boonville, California · 16653 days ago · 7 km deep · 63 km away
  38. 2.120 km WSW of Weott, California · 16652 days ago · 7 km deep · 99 km away
  39. 2.37 km WSW of Cobb, California · 16650 days ago · 0 km deep · 97 km away
  40. 2.85 km W of Cobb, California · 16648 days ago · 2 km deep · 97 km away
  41. 1.720 km ENE of Brooktrails, California · 16648 days ago · 9 km deep · 23 km away
  42. 1.78 km WSW of Cobb, California · 16647 days ago · 0 km deep · 98 km away
  43. 1.99 km WSW of Cobb, California · 16647 days ago · 1 km deep · 97 km away
  44. 1.55 km WSW of Cobb, California · 16647 days ago · -1 km deep · 100 km away
  45. 1.57 km WSW of Cobb, California · 16647 days ago · 1 km deep · 98 km away
  46. 2.326 km W of Paskenta, California · 16646 days ago · -1 km deep · 64 km away
  47. 1.54 km N of Laytonville, California · 16645 days ago · 11 km deep · 22 km away
  48. 1.510 km W of Cobb, California · 16644 days ago · 1 km deep · 95 km away
  49. 1.69 km WSW of Cobb, California · 16643 days ago · 1 km deep · 97 km away
  50. 2.97 km WSW of Cobb, California · 16643 days ago · 1 km deep · 98 km away
  51. 1.57 km WSW of Cobb, California · 16643 days ago · 1 km deep · 98 km away
  52. 1.67 km WSW of Cobb, California · 16643 days ago · 1 km deep · 98 km away
  53. 2.07 km W of Cobb, California · 16643 days ago · 0 km deep · 97 km away
  54. 2.28 km WSW of Cobb, California · 16641 days ago · 0 km deep · 98 km away
  55. 1.87 km WSW of Cobb, California · 16641 days ago · 1 km deep · 98 km away
  56. 1.95 km WSW of Cobb, California · 16640 days ago · -1 km deep · 98 km away
  57. 1.76 km W of Cobb, California · 16640 days ago · 3 km deep · 97 km away
  58. 1.96 km N of Cloverdale, California · 16640 days ago · 5 km deep · 84 km away
  59. 1.76 km WSW of Cobb, California · 16639 days ago · 0 km deep · 98 km away
  60. 2.64 km WSW of Cobb, California · 16639 days ago · 2 km deep · 100 km away

The first 60 of 102.

Before

  1. 1.59 km WSW of Cobb, California · 16677 days ago · 1 km deep · 97 km away
  2. 2.69 km WSW of Cobb, California · 16677 days ago · 2 km deep · 97 km away
  3. 2.413 km WNW of Covelo, California · 16678 days ago · 2 km deep · 37 km away
  4. 2.219 km W of Elk Creek, California · 16678 days ago · 7 km deep · 59 km away
  5. 1.67 km WSW of Cobb, California · 16679 days ago · 2 km deep · 98 km away
  6. 1.54 km SE of Clear Lake Riviera, California · 16679 days ago · 3 km deep · 94 km away
  7. 1.623 km WSW of Weott, California · 16680 days ago · 6 km deep · 100 km away
  8. 2.26 km W of Cobb, California · 16680 days ago · 4 km deep · 97 km away
  9. 2.46 km WSW of Cobb, California · 16680 days ago · 5 km deep · 98 km away
  10. 1.915 km NE of Cleone, California · 16680 days ago · -1 km deep · 20 km away
  11. 1.55 km WSW of Cobb, California · 16682 days ago · 0 km deep · 99 km away
  12. 1.66 km W of Cobb, California · 16682 days ago · 4 km deep · 97 km away
  13. 1.66 km W of Cobb, California · 16682 days ago · 3 km deep · 97 km away
  14. 2.16 km W of Cobb, California · 16682 days ago · 3 km deep · 97 km away
  15. 1.98 km ENE of Shelter Cove, California · 16682 days ago · 92 km deep · 73 km away
  16. 2.124 km NNW of Shelter Cove, California · 16682 days ago · 5 km deep · 100 km away
  17. 2.310 km WSW of Weott, California · 16683 days ago · 31 km deep · 99 km away
  18. 3.111 km WSW of Weott, California · 16683 days ago · 31 km deep · 100 km away
  19. 2.04 km WSW of Cobb, California · 16683 days ago · -1 km deep · 99 km away
  20. 2.36 km WSW of Cobb, California · 16683 days ago · 2 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1059632. Read Tue, Sep 22, 2026, 3:35 PM UTC.