California earthquakes

M1.5 earthquake 8 km NE of Willits, California

A magnitude 1.5 earthquake struck 8 km NE of Willits, California on Mon, Feb 2, 1981, 8:21 PM PST (04:21 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M1.5 6 km W of Cobb, California. This one was a foreshock.

Willits 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
1.5 (md), micro
Local time
UTC
1981-02-03 04:21:24 UTC
Depth
3.5 km (2.2 mi), shallow
Epicenter
39.453° N, 123.278° 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
±0.19
Depth from
From location
Station coverage gap
120°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 117 in the 60 days after this one and 52 in the 30 days before it.

After

  1. 1.56 km W of Cobb, California · 16667 days ago · 2 km deep · 82 km away
  2. 1.810 km W of Cobb, California · 16665 days ago · 1 km deep · 78 km away
  3. 2.010 km N of Covelo, California · 16665 days ago · 8 km deep · 48 km away
  4. 2.09 km N of Covelo, California · 16665 days ago · 5 km deep · 47 km away
  5. 2.210 km NNE of Covelo, California · 16664 days ago · 8 km deep · 48 km away
  6. 1.6Northern California · 16663 days ago · 1 km deep · 83 km away
  7. 1.84 km NNE of Healdsburg, California · 16663 days ago · 35 km deep · 96 km away
  8. 2.0Northern California · 16663 days ago · 1 km deep · 85 km away
  9. 2.77 km NE of Hopland, California · 16663 days ago · 5 km deep · 53 km away
  10. 1.95 km WSW of Cobb, California · 16662 days ago · -1 km deep · 83 km away
  11. 1.86 km WSW of Cobb, California · 16662 days ago · 1 km deep · 83 km away
  12. 2.66 km W of Cobb, California · 16662 days ago · 3 km deep · 82 km away
  13. 1.64 km WSW of Cobb, California · 16662 days ago · 1 km deep · 85 km away
  14. 2.44 km WSW of Cobb, California · 16662 days ago · 1 km deep · 85 km away
  15. 2.56 km WSW of Cobb, California · 16662 days ago · 3 km deep · 83 km away
  16. 1.65 km W of Cobb, California · 16660 days ago · 1 km deep · 81 km away
  17. 1.67 km E of Willits, California · 16660 days ago · 7 km deep · 5 km away
  18. 2.123 km WSW of Elk Creek, California · 16660 days ago · 7 km deep · 42 km away
  19. 2.18 km W of Cobb, California · 16660 days ago · -1 km deep · 82 km away
  20. 2.310 km W of Cobb, California · 16659 days ago · 1 km deep · 80 km away
  21. 1.99 km WSW of Cobb, California · 16658 days ago · 2 km deep · 82 km away
  22. 1.92 km ENE of Clear Lake Riviera, California · 16658 days ago · 3 km deep · 74 km away
  23. 1.59 km WSW of Cobb, California · 16657 days ago · 2 km deep · 82 km away
  24. 1.69 km WSW of Cobb, California · 16657 days ago · 2 km deep · 82 km away
  25. 2.522 km WSW of Elk Creek, California · 16655 days ago · 6 km deep · 43 km away
  26. 2.310 km SSE of Laytonville, California · 16654 days ago · 4 km deep · 22 km away
  27. 2.09 km WSW of Cobb, California · 16653 days ago · 1 km deep · 82 km away
  28. 1.85 km SE of Boonville, California · 16653 days ago · 7 km deep · 53 km away
  29. 2.37 km WSW of Cobb, California · 16650 days ago · 0 km deep · 82 km away
  30. 2.24 km WSW of Cobb, California · 16649 days ago · 2 km deep · 85 km away
  31. 2.85 km W of Cobb, California · 16648 days ago · 2 km deep · 81 km away
  32. 1.720 km ENE of Brooktrails, California · 16648 days ago · 9 km deep · 13 km away
  33. 1.78 km WSW of Cobb, California · 16647 days ago · 0 km deep · 83 km away
  34. 1.99 km WSW of Cobb, California · 16647 days ago · 1 km deep · 82 km away
  35. 2.65 km WSW of Cobb, CA · 16647 days ago · 2 km deep · 85 km away
  36. 1.55 km WSW of Cobb, California · 16647 days ago · -1 km deep · 85 km away
  37. 1.57 km WSW of Cobb, California · 16647 days ago · 1 km deep · 83 km away
  38. 2.326 km W of Paskenta, California · 16646 days ago · -1 km deep · 60 km away
  39. 1.54 km N of Laytonville, California · 16645 days ago · 11 km deep · 36 km away
  40. 1.510 km W of Cobb, California · 16644 days ago · 1 km deep · 80 km away
  41. 1.69 km WSW of Cobb, California · 16644 days ago · 1 km deep · 82 km away
  42. 2.97 km WSW of Cobb, California · 16643 days ago · 1 km deep · 83 km away
  43. 1.57 km WSW of Cobb, California · 16643 days ago · 1 km deep · 83 km away
  44. 1.67 km WSW of Cobb, California · 16643 days ago · 1 km deep · 83 km away
  45. 2.07 km W of Cobb, California · 16643 days ago · 0 km deep · 82 km away
  46. 2.28 km WSW of Cobb, California · 16641 days ago · 0 km deep · 83 km away
  47. 1.87 km WSW of Cobb, California · 16641 days ago · 1 km deep · 83 km away
  48. 1.95 km WSW of Cobb, California · 16640 days ago · -1 km deep · 83 km away
  49. 1.76 km W of Cobb, California · 16640 days ago · 3 km deep · 82 km away
  50. 1.96 km N of Cloverdale, California · 16640 days ago · 5 km deep · 70 km away
  51. 2.18 km NE of Hidden Valley Lake, California · 16640 days ago · 8 km deep · 95 km away
  52. 1.76 km WSW of Cobb, California · 16640 days ago · 0 km deep · 83 km away
  53. 1.77 km NE of Hidden Valley Lake, California · 16639 days ago · 7 km deep · 95 km away
  54. 2.64 km WSW of Cobb, California · 16639 days ago · 2 km deep · 85 km away
  55. 1.54 km WSW of Cobb, California · 16639 days ago · 4 km deep · 84 km away
  56. 1.65 km SW of Cobb, California · 16638 days ago · 0 km deep · 86 km away
  57. 2.1Northern California · 16637 days ago · -1 km deep · 83 km away
  58. 1.93 km NNW of Redwood Valley, California · 16637 days ago · 6 km deep · 18 km away
  59. 1.86 km W of Cobb, California · 16636 days ago · 2 km deep · 83 km away
  60. 1.63 km W of Clearlake, California · 16636 days ago · 4 km deep · 76 km away

The first 60 of 117.

Before

  1. 2.03 km NE of Redway, California · 16668 days ago · 20 km deep · 89 km away
  2. 1.723 km NE of Potter Valley, California · 16668 days ago · 9 km deep · 30 km away
  3. 2.215 km SSE of Covelo, California · 16669 days ago · 6 km deep · 27 km away
  4. 1.56 km W of Cobb, California · 16669 days ago · 3 km deep · 82 km away
  5. 1.76 km WSW of Cobb, California · 16671 days ago · 0 km deep · 84 km away
  6. 1.816 km NE of Upper Lake, California · 16671 days ago · 0 km deep · 49 km away
  7. 1.66 km W of Cobb, California · 16673 days ago · 3 km deep · 82 km away
  8. 2.44 km WSW of Cobb, California · 16673 days ago · 2 km deep · 84 km away
  9. 2.04 km NW of Philo, California · 16674 days ago · 5 km deep · 44 km away
  10. 1.89 km WSW of Cobb, California · 16674 days ago · 2 km deep · 83 km away
  11. 1.911 km NNW of Brooktrails, California · 16676 days ago · 8 km deep · 17 km away
  12. 1.59 km WSW of Cobb, California · 16677 days ago · 1 km deep · 82 km away
  13. 2.69 km WSW of Cobb, California · 16677 days ago · 2 km deep · 82 km away
  14. 2.413 km WNW of Covelo, California · 16678 days ago · 2 km deep · 46 km away
  15. 2.219 km W of Elk Creek, California · 16678 days ago · 7 km deep · 48 km away
  16. 1.67 km WSW of Cobb, California · 16679 days ago · 2 km deep · 83 km away
  17. 1.54 km SE of Clear Lake Riviera, California · 16679 days ago · 3 km deep · 78 km away
  18. 2.26 km W of Cobb, California · 16680 days ago · 4 km deep · 82 km away
  19. 2.46 km WSW of Cobb, California · 16680 days ago · 5 km deep · 83 km away
  20. 1.915 km NE of Cleone, California · 16681 days ago · -1 km deep · 36 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1059938. Read Tue, Sep 22, 2026, 4:34 PM UTC.