California earthquakes

M1.5 earthquake 10 km S of Ferndale, California

A magnitude 1.5 earthquake struck 10 km S of Ferndale, California on Fri, Feb 24, 1978, 7:14 AM PST (15:14 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M1.6 10 km S of Ferndale, 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
1.5 (md), micro
Local time
UTC
1978-02-24 15:14:52 UTC
Depth
18.1 km (11.3 mi), shallow
Epicenter
40.483° N, 124.278° 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 0.8 km horizontally, 0.7 km in depth
Depth from
From location
Station coverage gap
176°
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: 144 in the 60 days after this one and 55 in the 30 days before it.

After

  1. 1.610 km S of Ferndale, California · 17742 days ago · 15 km deep · 1 km away
  2. 2.557 km WNW of Ferndale, California · 17740 days ago · 25 km deep · 60 km away
  3. 2.256 km WNW of Ferndale, California · 17740 days ago · 15 km deep · 59 km away
  4. 2.134 km SW of Ferndale, California · 17738 days ago · 17 km deep · 29 km away
  5. 1.610 km S of Ferndale, California · 17737 days ago · 18 km deep · 0 km away
  6. 1.6near the coast of Northern California · 17737 days ago · 19 km deep · 6 km away
  7. 2.416 km WNW of Samoa, California · 17736 days ago · 23 km deep · 47 km away
  8. 2.355 km W of Ferndale, California · 17735 days ago · 23 km deep · 54 km away
  9. 1.620 km W of Big Lagoon, California · 17734 days ago · 22 km deep · 74 km away
  10. 1.5near the coast of Northern California · 17733 days ago · 17 km deep · 14 km away
  11. 1.7near the coast of Northern California · 17733 days ago · 9 km deep · 74 km away
  12. 2.822 km SW of Ferndale, California · 17730 days ago · 21 km deep · 15 km away
  13. 1.621 km SW of Ferndale, California · 17730 days ago · 21 km deep · 14 km away
  14. 1.89 km ENE of Redcrest, California · 17730 days ago · 21 km deep · 37 km away
  15. 3.038 km SW of Ferndale, California · 17729 days ago · 23 km deep · 31 km away
  16. 1.619 km SW of Ferndale, California · 17729 days ago · 22 km deep · 12 km away
  17. 2.410 km SE of Blue Lake, California · 17727 days ago · 25 km deep · 49 km away
  18. 1.711 km SE of Blue Lake, California · 17727 days ago · 25 km deep · 49 km away
  19. 3.214 km NE of Redcrest, California · 17725 days ago · 24 km deep · 37 km away
  20. 2.68 km W of Indianola, California · 17725 days ago · 19 km deep · 23 km away
  21. 2.832 km SSW of Ferndale, California · 17724 days ago · 21 km deep · 24 km away
  22. 1.98 km S of Ferndale, California · 17724 days ago · 23 km deep · 2 km away
  23. 1.656 km W of Trinidad, California · 17724 days ago · 6 km deep · 74 km away
  24. 2.210 km S of Ferndale, California · 17723 days ago · 19 km deep · 1 km away
  25. 2.310 km S of Ferndale, California · 17723 days ago · 18 km deep · 0 km away
  26. 1.816 km SW of Scotia, California · 17723 days ago · 26 km deep · 14 km away
  27. 3.03 km W of Ruth, California · 17721 days ago · 40 km deep · 81 km away
  28. 1.78 km W of Indianola, California · 17721 days ago · 19 km deep · 23 km away
  29. 2.317 km WSW of Ferndale, California · 17720 days ago · 22 km deep · 14 km away
  30. 2.60 km ESE of Redway, California · 17720 days ago · 18 km deep · 57 km away
  31. 1.724 km WSW of Ferndale, California · 17720 days ago · 19 km deep · 20 km away
  32. 2.032 km WSW of Ferndale, California · 17719 days ago · 18 km deep · 28 km away
  33. 1.618 km SSW of Ferndale, California · 17719 days ago · 22 km deep · 10 km away
  34. 1.629 km W of Ferndale, California · 17719 days ago · 21 km deep · 30 km away
  35. 1.933 km SW of Ferndale, California · 17719 days ago · 22 km deep · 28 km away
  36. 2.329 km WSW of Ferndale, California · 17719 days ago · 17 km deep · 25 km away
  37. 2.231 km WSW of Ferndale, California · 17719 days ago · 17 km deep · 28 km away
  38. 2.431 km WSW of Ferndale, California · 17719 days ago · 19 km deep · 27 km away
  39. 1.933 km SW of Scotia, California · 17719 days ago · 16 km deep · 24 km away
  40. 2.332 km WSW of Ferndale, California · 17719 days ago · 18 km deep · 28 km away
  41. 1.742 km WSW of Ferndale, California · 17719 days ago · 16 km deep · 38 km away
  42. 2.338 km WSW of Ferndale, California · 17719 days ago · 19 km deep · 34 km away
  43. 2.629 km WSW of Ferndale, California · 17719 days ago · 20 km deep · 25 km away
  44. 2.211 km E of Westhaven-Moonstone, California · 17718 days ago · 18 km deep · 69 km away
  45. 1.627 km SW of Scotia, California · 17718 days ago · 23 km deep · 19 km away
  46. 1.72 km SW of Garberville, California · 17718 days ago · 15 km deep · 59 km away
  47. 1.827 km SW of Scotia, California · 17718 days ago · 7 km deep · 19 km away
  48. 2.19 km WSW of Rio Dell, California · 17717 days ago · 2 km deep · 6 km away
  49. 1.99 km WSW of Rio Dell, California · 17717 days ago · 3 km deep · 6 km away
  50. 1.611 km WSW of Scotia, California · 17717 days ago · 8 km deep · 5 km away
  51. 1.610 km WSW of Rio Dell, California · 17717 days ago · 3 km deep · 5 km away
  52. 3.79 km WSW of Rio Dell, California · 17717 days ago · 5 km deep · 5 km away
  53. 1.79 km WSW of Rio Dell, California · 17717 days ago · 3 km deep · 6 km away
  54. 1.79 km WSW of Rio Dell, California · 17717 days ago · 2 km deep · 6 km away
  55. 1.910 km WSW of Rio Dell, California · 17717 days ago · 5 km deep · 5 km away
  56. 2.09 km WSW of Rio Dell, California · 17717 days ago · 5 km deep · 5 km away
  57. 1.610 km WSW of Rio Dell, California · 17717 days ago · 3 km deep · 5 km away
  58. 2.09 km WSW of Scotia, California · 17717 days ago · 4 km deep · 6 km away
  59. 3.19 km W of Scotia, California · 17717 days ago · 5 km deep · 6 km away
  60. 1.510 km WSW of Rio Dell, California · 17717 days ago · 4 km deep · 5 km away

The first 60 of 144.

Before

  1. 2.710 km S of Ferndale, California · 17742 days ago · 18 km deep · 0 km away
  2. 3.359 km WNW of Ferndale, California · 17743 days ago · 25 km deep · 62 km away
  3. 2.638 km SW of Ferndale, California · 17744 days ago · 22 km deep · 30 km away
  4. 1.819 km SW of Ferndale, California · 17745 days ago · 24 km deep · 12 km away
  5. 2.110 km S of Ferndale, California · 17746 days ago · 19 km deep · 0 km away
  6. 1.610 km S of Ferndale, California · 17746 days ago · 18 km deep · 0 km away
  7. 1.610 km S of Ferndale, California · 17746 days ago · 19 km deep · 1 km away
  8. 1.510 km S of Ferndale, California · 17746 days ago · 19 km deep · 1 km away
  9. 1.74 km NW of Trinity Village, California · 17746 days ago · 25 km deep · 75 km away
  10. 1.610 km S of Ferndale, California · 17747 days ago · 19 km deep · 1 km away
  11. 2.210 km S of Ferndale, California · 17747 days ago · 18 km deep · 1 km away
  12. 2.633 km NW of Shelter Cove, California · 17747 days ago · 9 km deep · 27 km away
  13. 1.827 km WNW of Ferndale, California · 17748 days ago · 24 km deep · 31 km away
  14. 1.651 km W of Ferndale, California · 17748 days ago · 10 km deep · 50 km away
  15. 2.410 km S of Ferndale, California · 17748 days ago · 19 km deep · 1 km away
  16. 1.710 km S of Ferndale, California · 17748 days ago · 19 km deep · 1 km away
  17. 2.210 km S of Ferndale, California · 17748 days ago · 19 km deep · 1 km away
  18. 2.610 km S of Ferndale, California · 17748 days ago · 19 km deep · 0 km away
  19. 2.910 km S of Ferndale, California · 17749 days ago · 19 km deep · 1 km away
  20. 1.810 km S of Ferndale, California · 17749 days ago · 19 km deep · 1 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1039079. Read Tue, Sep 22, 2026, 10:32 PM UTC.