California earthquakes

M2.6 earthquake 6 km E of Willits, California

A magnitude 2.6 earthquake struck 6 km E of Willits, California on Tue, Sep 5, 1978, 10:07 AM PDT (17:07 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M2.8 6 km ESE of Willits, 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
2.6 (md), micro
Local time
UTC
1978-09-05 17:07:04 UTC
Depth
14.5 km (9.0 mi), shallow
Epicenter
39.406° N, 123.275° 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 2.6 km horizontally, 4.2 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
121°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 57 in the 60 days after this one and 40 in the 30 days before it.

After

  1. 2.57 km ESE of Willits, California · 17548 days ago · 5 km deep · 2 km away
  2. 2.86 km ESE of Willits, California · 17548 days ago · 10 km deep · 1 km away
  3. 2.37 km WSW of Cobb, California · 17547 days ago · -1 km deep · 78 km away
  4. 2.320 km NE of Potter Valley, California · 17546 days ago · 6 km deep · 29 km away
  5. 2.519 km NE of Potter Valley, California · 17546 days ago · 5 km deep · 28 km away
  6. 1.77 km W of Cobb, California · 17545 days ago · 2 km deep · 76 km away
  7. 2.910 km WSW of Hopland, California · 17544 days ago · 4 km deep · 50 km away
  8. 2.56 km SSW of Clear Lake Riviera, California · 17543 days ago · 3 km deep · 73 km away
  9. 2.22 km ESE of Calpella, California · 17542 days ago · 6 km deep · 22 km away
  10. 1.86 km ENE of Garberville, California · 17542 days ago · 18 km deep · 87 km away
  11. 2.710 km W of Hopland, California · 17542 days ago · 4 km deep · 50 km away
  12. 2.17 km W of Cobb, California · 17542 days ago · 1 km deep · 76 km away
  13. 2.14 km SSE of Cloverdale, California · 17540 days ago · 3 km deep · 74 km away
  14. 1.913 km S of Ruth, California · 17539 days ago · 22 km deep · 83 km away
  15. 1.95 km ENE of Willits, California · 17539 days ago · 6 km deep · 2 km away
  16. 2.08 km E of Sea Ranch, California · 17537 days ago · 21 km deep · 77 km away
  17. 1.65 km SSW of Alderpoint, California · 17536 days ago · 9 km deep · 86 km away
  18. 2.06 km N of Hopland, California · 17535 days ago · 5 km deep · 44 km away
  19. 1.53 km NE of Hopland, California · 17534 days ago · 4 km deep · 48 km away
  20. 2.77 km W of Cobb, California · 17534 days ago · 4 km deep · 77 km away
  21. 1.78 km W of Cobb, California · 17530 days ago · 1 km deep · 76 km away
  22. 2.116 km ENE of Lower Lake, California · 17529 days ago · 3 km deep · 88 km away
  23. 1.811 km NNW of Redwood Valley, California · 17528 days ago · 6 km deep · 6 km away
  24. 1.710 km WNW of Potter Valley, California · 17528 days ago · 4 km deep · 6 km away
  25. 1.811 km WNW of Potter Valley, California · 17528 days ago · 4 km deep · 6 km away
  26. 1.67 km E of Willits, California · 17525 days ago · 5 km deep · 1 km away
  27. 1.98 km W of Cobb, California · 17524 days ago · 1 km deep · 77 km away
  28. 2.48 km WSW of Cobb, California · 17523 days ago · 0 km deep · 78 km away
  29. 1.74 km ESE of Calpella, California · 17522 days ago · 3 km deep · 23 km away
  30. 2.14 km WSW of Cobb, California · 17519 days ago · 1 km deep · 80 km away
  31. 2.210 km NW of Cobb, California · 17518 days ago · 3 km deep · 71 km away
  32. 2.68 km W of Cobb, California · 17517 days ago · 1 km deep · 76 km away
  33. 1.811 km NE of Brooktrails, California · 17516 days ago · 5 km deep · 11 km away
  34. 2.32 km SE of Clear Lake Riviera, California · 17515 days ago · 1 km deep · 72 km away
  35. 2.29 km ESE of Willits, California · 17512 days ago · 8 km deep · 4 km away
  36. 2.7Northern California · 17509 days ago · 4 km deep · 79 km away
  37. 1.77 km WSW of Cobb, California · 17508 days ago · 1 km deep · 78 km away
  38. 2.27 km W of Cobb, California · 17507 days ago · 0 km deep · 77 km away
  39. 1.57 km ESE of Geyserville, California · 17506 days ago · 6 km deep · 89 km away
  40. 2.09 km ESE of Willits, California · 17506 days ago · 8 km deep · 4 km away
  41. 2.06 km ENE of Willits, California · 17506 days ago · 11 km deep · 2 km away
  42. 1.98 km W of Cobb, California · 17505 days ago · 0 km deep · 77 km away
  43. 1.88 km W of Cobb, California · 17505 days ago · 1 km deep · 77 km away
  44. 1.57 km SE of Boonville, California · 17504 days ago · 4 km deep · 49 km away
  45. 2.112 km S of Ruth, California · 17504 days ago · 2 km deep · 84 km away
  46. 2.36 km W of Cobb, California · 17503 days ago · 4 km deep · 77 km away
  47. 1.5Northern California · 17503 days ago · 4 km deep · 78 km away
  48. 2.17 km WSW of Cobb, California · 17503 days ago · 0 km deep · 78 km away
  49. 1.87 km W of Cobb, California · 17502 days ago · 3 km deep · 77 km away
  50. 2.512 km N of Brooktrails, California · 17500 days ago · -1 km deep · 19 km away
  51. 2.08 km E of Willits, California · 17497 days ago · 10 km deep · 1 km away
  52. 2.16 km WSW of Cobb, California · 17497 days ago · 0 km deep · 78 km away
  53. 2.16 km NE of Willits, California · 17496 days ago · 5 km deep · 5 km away
  54. 2.711 km ENE of Cleone, California · 17494 days ago · 12 km deep · 35 km away
  55. 2.513 km WNW of Brooktrails, California · 17494 days ago · 12 km deep · 24 km away
  56. 1.73 km SE of Calpella, California · 17491 days ago · 2 km deep · 23 km away
  57. 2.16 km W of Cobb, California · 17491 days ago · 2 km deep · 76 km away

Before

  1. 2.77 km W of Cobb, California · 17551 days ago · 3 km deep · 77 km away
  2. 1.69 km ESE of Willits, California · 17551 days ago · 4 km deep · 4 km away
  3. 2.39 km ESE of Willits, California · 17552 days ago · 3 km deep · 4 km away
  4. 1.99 km ESE of Willits, California · 17552 days ago · 4 km deep · 4 km away
  5. 2.69 km ESE of Willits, California · 17552 days ago · 2 km deep · 5 km away
  6. 2.19 km ESE of Willits, California · 17552 days ago · 4 km deep · 5 km away
  7. 1.79 km ESE of Willits, California · 17552 days ago · 4 km deep · 5 km away
  8. 1.98 km E of Willits, California · 17553 days ago · 4 km deep · 2 km away
  9. 2.27 km W of Cobb, California · 17554 days ago · 3 km deep · 77 km away
  10. 2.07 km W of Cobb, California · 17555 days ago · 3 km deep · 77 km away
  11. 1.88 km E of Hopland, California · 17555 days ago · 6 km deep · 52 km away
  12. 2.00 km NNE of Garberville, California · 17558 days ago · 9 km deep · 89 km away
  13. 2.21 km SSW of Garberville, California · 17558 days ago · 11 km deep · 88 km away
  14. 2.08 km ENE of Benbow, California · 17560 days ago · 14 km deep · 83 km away
  15. 1.94 km S of Phillipsville, California · 17560 days ago · 4 km deep · 95 km away
  16. 1.98 km WSW of Cobb, California · 17561 days ago · 3 km deep · 79 km away
  17. 2.37 km WSW of Cobb, California · 17561 days ago · 1 km deep · 78 km away
  18. 1.53 km ENE of Calpella, California · 17561 days ago · 5 km deep · 20 km away
  19. 1.94 km NE of Redway, California · 17562 days ago · 5 km deep · 93 km away
  20. 1.87 km W of Cobb, California · 17562 days ago · 3 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1042129. Read Tue, Sep 22, 2026, 7:50 PM UTC.