California earthquakes

M2.4 earthquake 17 km SW of Ferndale, California

A magnitude 2.4 earthquake struck 17 km SW of Ferndale, California on Fri, Oct 6, 1978, 3:58 PM PDT (22:58 UTC), 25 km (16 mi) below the surface.

A larger quake followed: M4.3 off the coast of Northern California. This one was a foreshock.

Ferndale 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
2.4 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1978-10-06 22:58:09 UTC
Depth
25.1 km (15.6 mi), shallow
Epicenter
40.465° N, 124.418° 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 1.5 km horizontally, 0.8 km in depth
Depth from
From location
Station coverage gap
248°, poorly surrounded by stations
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 177 in the 60 days after this one and 91 in the 30 days before it.

After

  1. 2.419 km WSW of Ferndale, California · 17528 days ago · 24 km deep · 5 km away
  2. 1.514 km SW of Scotia, California · 17528 days ago · 21 km deep · 17 km away
  3. 1.616 km WSW of Ferndale, California · 17528 days ago · 23 km deep · 5 km away
  4. 1.78 km NNW of Willow Creek, California · 17528 days ago · 4 km deep · 88 km away
  5. 1.615 km SW of Scotia, California · 17528 days ago · 27 km deep · 20 km away
  6. 1.725 km SW of Ferndale, California · 17528 days ago · 27 km deep · 8 km away
  7. 1.811 km SW of Ferndale, California · 17528 days ago · 23 km deep · 6 km away
  8. 2.817 km SW of Ferndale, California · 17528 days ago · 21 km deep · 3 km away
  9. 1.615 km WSW of Ferndale, California · 17528 days ago · 23 km deep · 5 km away
  10. 1.637 km WSW of Ferndale, California · 17528 days ago · 26 km deep · 21 km away
  11. 1.615 km WSW of Ferndale, California · 17527 days ago · 23 km deep · 5 km away
  12. 1.611 km NW of Manila, California · 17527 days ago · 30 km deep · 53 km away
  13. 3.916 km SW of Ferndale, California · 17527 days ago · 23 km deep · 3 km away
  14. 1.917 km SW of Ferndale, California · 17527 days ago · 24 km deep · 3 km away
  15. 2.118 km SW of Ferndale, California · 17527 days ago · 23 km deep · 2 km away
  16. 1.716 km SW of Ferndale, California · 17527 days ago · 22 km deep · 3 km away
  17. 1.523 km SW of Ferndale, California · 17527 days ago · 22 km deep · 6 km away
  18. 1.755 km WSW of Ferndale, California · 17527 days ago · 20 km deep · 41 km away
  19. 1.613 km NW of Big Lagoon, California · 17527 days ago · 2 km deep · 86 km away
  20. 1.822 km SW of Ferndale, California · 17527 days ago · 26 km deep · 5 km away
  21. 1.913 km SSW of Willow Creek, California · 17527 days ago · 8 km deep · 72 km away
  22. 1.518 km WSW of Ferndale, California · 17526 days ago · 20 km deep · 3 km away
  23. 1.943 km W of Indianola, California · 17526 days ago · 26 km deep · 39 km away
  24. 1.739 km W of Ferndale, California · 17526 days ago · 24 km deep · 27 km away
  25. 1.511 km SSW of Ferndale, California · 17525 days ago · 26 km deep · 7 km away
  26. 2.939 km SW of Ferndale, California · 17525 days ago · 23 km deep · 22 km away
  27. 1.957 km W of Ferndale, California · 17524 days ago · 4 km deep · 44 km away
  28. 1.845 km WSW of Ferndale, California · 17523 days ago · 17 km deep · 30 km away
  29. 2.025 km SSW of Ferndale, California · 17523 days ago · 19 km deep · 10 km away
  30. 1.980 km W of Trinidad, California · 17522 days ago · 5 km deep · 94 km away
  31. 1.79 km N of Ruth, California · 17522 days ago · 19 km deep · 95 km away
  32. 2.25 km WSW of Hyampom, California · 17522 days ago · 24 km deep · 78 km away
  33. 2.06 km WSW of Samoa, California · 17522 days ago · 24 km deep · 39 km away
  34. 1.612 km S of Ferndale, California · 17521 days ago · 23 km deep · 13 km away
  35. 1.6Northern California · 17520 days ago · 32 km deep · 85 km away
  36. 1.634 km WSW of Ferndale, California · 17520 days ago · 16 km deep · 19 km away
  37. 2.8near the coast of Northern California · 17520 days ago · 22 km deep · 2 km away
  38. 1.923 km SSW of Scotia, California · 17520 days ago · 2 km deep · 27 km away
  39. 1.515 km WSW of Burnt Ranch, California · 17519 days ago · 33 km deep · 73 km away
  40. 2.19 km NNE of Redcrest, California · 17519 days ago · 22 km deep · 42 km away
  41. 1.69 km S of Ferndale, California · 17519 days ago · 18 km deep · 13 km away
  42. 1.64 km NW of McKinleyville, California · 17519 days ago · 20 km deep · 62 km away
  43. 2.643 km WNW of Indianola, California · 17519 days ago · 20 km deep · 47 km away
  44. 4.3off the coast of Northern California · 17519 days ago · 56 km deep · 68 km away
  45. 1.779 km WSW of Ferndale, California · 17519 days ago · 5 km deep · 65 km away
  46. 3.718 km SW of Ferndale, California · 17519 days ago · 23 km deep · 3 km away
  47. 4.276 km W of Ferndale, California · 17518 days ago · 55 km deep · 63 km away
  48. 2.145 km WSW of Ferndale, California · 17516 days ago · 36 km deep · 29 km away
  49. 1.543 km WNW of Samoa, California · 17514 days ago · 13 km deep · 57 km away
  50. 2.112 km S of Ruth, California · 17514 days ago · 2 km deep · 98 km away
  51. 2.926 km SSW of Ferndale, California · 17513 days ago · 19 km deep · 10 km away
  52. 2.726 km SSW of Ferndale, California · 17513 days ago · 19 km deep · 10 km away
  53. 1.726 km SSW of Ferndale, California · 17513 days ago · 19 km deep · 10 km away
  54. 1.626 km SW of Ferndale, California · 17513 days ago · 18 km deep · 9 km away
  55. 1.526 km SSW of Ferndale, California · 17513 days ago · 18 km deep · 10 km away
  56. 1.734 km NW of Shelter Cove, California · 17513 days ago · 5 km deep · 28 km away
  57. 1.524 km WSW of Ferndale, California · 17513 days ago · 24 km deep · 10 km away
  58. 2.868 km W of Ferndale, California · 17513 days ago · 24 km deep · 60 km away
  59. 1.625 km SSW of Ferndale, California · 17513 days ago · 19 km deep · 9 km away
  60. 2.85 km E of Redcrest, California · 17513 days ago · 21 km deep · 46 km away

The first 60 of 177.

Before

  1. 1.620 km SW of Ferndale, California · 17528 days ago · 26 km deep · 4 km away
  2. 1.618 km SW of Ferndale, California · 17528 days ago · 23 km deep · 2 km away
  3. 1.918 km SSW of Ferndale, California · 17528 days ago · 23 km deep · 6 km away
  4. 1.929 km WSW of Ferndale, California · 17528 days ago · 25 km deep · 13 km away
  5. 1.715 km SW of Ferndale, California · 17528 days ago · 25 km deep · 3 km away
  6. 3.316 km SSW of Ferndale, California · 17528 days ago · 26 km deep · 6 km away
  7. 1.525 km SW of Scotia, California · 17528 days ago · 22 km deep · 15 km away
  8. 2.017 km WSW of Ferndale, California · 17528 days ago · 24 km deep · 6 km away
  9. 2.119 km SSW of Ferndale, California · 17528 days ago · 23 km deep · 5 km away
  10. 2.318 km WSW of Ferndale, California · 17528 days ago · 25 km deep · 4 km away
  11. 1.618 km SW of Ferndale, California · 17528 days ago · 21 km deep · 2 km away
  12. 1.815 km WSW of Ferndale, California · 17528 days ago · 24 km deep · 5 km away
  13. 1.511 km SW of Ferndale, California · 17528 days ago · 24 km deep · 6 km away
  14. 2.818 km SSW of Ferndale, California · 17528 days ago · 23 km deep · 5 km away
  15. 4.618 km SW of Ferndale, California · 17528 days ago · 25 km deep · 2 km away
  16. 2.29 km E of Hydesville, California · 17529 days ago · 21 km deep · 38 km away
  17. 2.832 km SW of Ferndale, California · 17529 days ago · 24 km deep · 15 km away
  18. 2.3106 km W of Ferndale, California · 17530 days ago · 4 km deep · 92 km away
  19. 3.025 km SSW of Ferndale, California · 17531 days ago · 20 km deep · 10 km away
  20. 2.621 km WSW of Weott, California · 17531 days ago · 5 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1042649. Read Fri, Oct 2, 2026, 3:09 PM UTC.