California earthquakes

M3.1 earthquake 5 km ESE of Willits, California

A magnitude 3.1 earthquake struck 5 km ESE of Willits, California on Tue, Jan 31, 1978, 8:11 AM PST (16:11 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.4 11 km ENE of Laytonville, 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
3.1 (md), minor
Local time
UTC
1978-01-31 16:11:18 UTC
Depth
1.8 km (1.1 mi), shallow
Epicenter
39.399° N, 123.299° 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 1.6 km horizontally, 7.2 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
285°, poorly surrounded by stations
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: 179 in the 60 days after this one and 20 in the 30 days before it.

After

  1. 1.86 km W of Cobb, California · 17763 days ago · 0 km deep · 77 km away
  2. 2.29 km NNW of Redwood Valley, California · 17762 days ago · 7 km deep · 7 km away
  3. 2.89 km NNE of Brooktrails, California · 17762 days ago · 4 km deep · 13 km away
  4. 2.418 km NE of Upper Lake, California · 17761 days ago · 3 km deep · 46 km away
  5. 1.84 km WSW of Cobb, California · 17760 days ago · 1 km deep · 80 km away
  6. 2.27 km NNE of Hopland, California · 17760 days ago · 1 km deep · 45 km away
  7. 2.27 km NE of Hopland, California · 17760 days ago · 2 km deep · 46 km away
  8. 1.67 km W of Cobb, California · 17760 days ago · 0 km deep · 78 km away
  9. 3.411 km ENE of Laytonville, California · 17759 days ago · -1 km deep · 36 km away
  10. 2.74 km ESE of Willits, California · 17759 days ago · 2 km deep · 1 km away
  11. 2.54 km ESE of Willits, California · 17758 days ago · 2 km deep · 2 km away
  12. 1.66 km WSW of Cobb, California · 17754 days ago · 4 km deep · 79 km away
  13. 2.08 km ESE of Talmage, California · 17754 days ago · 8 km deep · 38 km away
  14. 2.37 km NNE of Nice, California · 17754 days ago · 7 km deep · 47 km away
  15. 2.46 km W of Cobb, California · 17754 days ago · 2 km deep · 78 km away
  16. 2.16 km W of Cobb, California · 17754 days ago · -1 km deep · 78 km away
  17. 2.56 km W of Cobb, California · 17752 days ago · 3 km deep · 77 km away
  18. 1.66 km W of Cobb, California · 17749 days ago · 1 km deep · 78 km away
  19. 1.811 km NE of Healdsburg, California · 17749 days ago · 4 km deep · 93 km away
  20. 1.77 km W of Cobb, California · 17747 days ago · 3 km deep · 77 km away
  21. 1.76 km W of Cobb, California · 17746 days ago · -1 km deep · 77 km away
  22. 2.319 km SW of Stonyford, California · 17745 days ago · 9 km deep · 52 km away
  23. 2.48 km NNE of Hopland, California · 17744 days ago · 3 km deep · 43 km away
  24. 2.416 km NE of Nice, California · 17741 days ago · 7 km deep · 54 km away
  25. 2.46 km ESE of Willits, California · 17740 days ago · 6 km deep · 2 km away
  26. 2.111 km NE of Healdsburg, California · 17740 days ago · 5 km deep · 93 km away
  27. 1.610 km NE of Healdsburg, California · 17739 days ago · 4 km deep · 93 km away
  28. 2.411 km NNW of Potter Valley, California · 17739 days ago · 1 km deep · 11 km away
  29. 1.820 km WSW of Stonyford, CA · 17738 days ago · -1 km deep · 46 km away
  30. 1.83 km S of Clear Lake Riviera, California · 17738 days ago · 2 km deep · 73 km away
  31. 1.6Northern California · 17737 days ago · 3 km deep · 77 km away
  32. 1.66 km W of Cobb, California · 17737 days ago · 3 km deep · 77 km away
  33. 2.13 km SW of Calpella, California · 17737 days ago · 11 km deep · 22 km away
  34. 2.03 km SW of Calpella, California · 17737 days ago · 8 km deep · 21 km away
  35. 2.19 km NNW of Redwood Valley, California · 17737 days ago · 5 km deep · 7 km away
  36. 1.87 km W of Cobb, California · 17732 days ago · 0 km deep · 77 km away
  37. 1.66 km SSE of Boonville, California · 17732 days ago · 6 km deep · 49 km away
  38. 1.96 km W of Cobb, California · 17732 days ago · 3 km deep · 77 km away
  39. 2.53 km ENE of Willits, California · 17731 days ago · 3 km deep · 3 km away
  40. 2.26 km W of Cobb, California · 17728 days ago · 3 km deep · 78 km away
  41. 2.49 km N of Cloverdale, California · 17728 days ago · 5 km deep · 62 km away
  42. 1.77 km W of Cobb, California · 17727 days ago · 1 km deep · 77 km away
  43. 1.77 km WSW of Cobb, California · 17727 days ago · 2 km deep · 79 km away
  44. 2.07 km WSW of Cobb, California · 17725 days ago · -1 km deep · 79 km away
  45. 2.57 km W of Cobb, California · 17724 days ago · 3 km deep · 77 km away
  46. 1.64 km WSW of Cobb, California · 17723 days ago · -1 km deep · 80 km away
  47. 1.719 km NE of Sea Ranch, California · 17722 days ago · 1 km deep · 65 km away
  48. 1.716 km N of Cazadero, California · 17721 days ago · 0 km deep · 81 km away
  49. 3.03 km W of Ruth, California · 17721 days ago · 40 km deep · 97 km away
  50. 2.60 km ESE of Redway, California · 17720 days ago · 18 km deep · 91 km away
  51. 1.67 km W of Cobb, California · 17718 days ago · 3 km deep · 77 km away
  52. 1.72 km SW of Garberville, California · 17718 days ago · 15 km deep · 88 km away
  53. 3.538 km NW of Paskenta, California · 17716 days ago · 5 km deep · 85 km away
  54. 3.313 km ESE of Ruth, California · 17716 days ago · 41 km deep · 92 km away
  55. 2.613 km ESE of Ruth, California · 17716 days ago · 44 km deep · 90 km away
  56. 3.238 km ESE of Ruth, California · 17716 days ago · 23 km deep · 81 km away
  57. 3.116 km ESE of Ruth, California · 17716 days ago · 48 km deep · 90 km away
  58. 1.75 km N of Healdsburg, California · 17716 days ago · 5 km deep · 90 km away
  59. 1.816 km ESE of Ruth, California · 17716 days ago · 45 km deep · 89 km away
  60. 3.014 km ESE of Ruth, California · 17716 days ago · 44 km deep · 92 km away

The first 60 of 179.

Before

  1. 1.96 km W of Cobb, California · 17766 days ago · 4 km deep · 77 km away
  2. 3.017 km NE of Lucerne, California · 17767 days ago · 6 km deep · 59 km away
  3. 1.56 km WSW of Cobb, California · 17768 days ago · 0 km deep · 79 km away
  4. 2.95 km ENE of Willits, California · 17769 days ago · 0 km deep · 4 km away
  5. 1.611 km ENE of Healdsburg, California · 17771 days ago · 5 km deep · 95 km away
  6. 2.07 km W of Cobb, California · 17771 days ago · 0 km deep · 78 km away
  7. 1.68 km W of Cobb, California · 17771 days ago · 0 km deep · 78 km away
  8. 1.511 km WNW of Cobb, California · 17772 days ago · 15 km deep · 71 km away
  9. 2.46 km ESE of Willits, California · 17772 days ago · -1 km deep · 2 km away
  10. 1.68 km WSW of Cobb, California · 17774 days ago · 1 km deep · 78 km away
  11. 1.65 km W of Cobb, California · 17776 days ago · 3 km deep · 79 km away
  12. 1.710 km NW of Cobb, California · 17776 days ago · 1 km deep · 71 km away
  13. 3.010 km ESE of Willits, California · 17776 days ago · 5 km deep · 5 km away
  14. 2.58 km W of Cobb, California · 17776 days ago · 1 km deep · 77 km away
  15. 2.16 km W of Cobb, California · 17778 days ago · 1 km deep · 79 km away
  16. 1.99 km E of Hidden Valley Lake, California · 17779 days ago · 8 km deep · 99 km away
  17. 2.06 km W of Cobb, California · 17779 days ago · 3 km deep · 77 km away
  18. 3.34 km WNW of Ukiah, California · 17780 days ago · 11 km deep · 26 km away
  19. 3.44 km NW of Ukiah, California · 17782 days ago · 7 km deep · 25 km away
  20. 2.23 km WNW of Ukiah, California · 17782 days ago · 9 km deep · 27 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1038793. Read Tue, Sep 22, 2026, 9:09 AM UTC.