California earthquakes

M3.5 earthquake 43 km SW of Ferndale, California

A magnitude 3.5 earthquake struck 43 km SW of Ferndale, California on Sat, Apr 6, 1985, 8:38 AM PST (16:38 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M4.3 104 km W 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.

Open the live map with earthquakes

The earthquake

Magnitude
3.5 (ml), minor
Local time
UTC
1985-04-06 16:38:55 UTC
Depth
22.5 km (14.0 mi), shallow
Epicenter
40.356° N, 124.694° 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 2.4 km horizontally, 14.6 km in depth
Depth from
From location
Station coverage gap
247°, poorly surrounded by stations
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 58 in the 60 days after this one and 24 in the 30 days before it.

After

  1. 4.0114 km W of Ferndale, California · 15151 days ago · 5 km deep · 83 km away
  2. 1.827 km SW of Scotia, California · 15151 days ago · 9 km deep · 32 km away
  3. 2.237 km WSW of Ferndale, California · 15150 days ago · 25 km deep · 10 km away
  4. 1.65 km SSW of Redcrest, California · 15150 days ago · 21 km deep · 60 km away
  5. 2.314 km SSW of Scotia, California · 15150 days ago · 29 km deep · 45 km away
  6. 1.83 km WSW of Myers Flat, California · 15148 days ago · 5 km deep · 67 km away
  7. 3.089 km W of Ferndale, California · 15147 days ago · 35 km deep · 58 km away
  8. 2.18 km NE of Hydesville, California · 15147 days ago · 18 km deep · 63 km away
  9. 2.04 km SE of Ferndale, California · 15146 days ago · 23 km deep · 45 km away
  10. 2.73 km SE of Ferndale, California · 15146 days ago · 23 km deep · 44 km away
  11. 3.837 km SSW of Ferndale, California · 15145 days ago · 15 km deep · 18 km away
  12. 3.442 km WSW of Ferndale, California · 15144 days ago · 15 km deep · 14 km away
  13. 1.712 km ENE of Redcrest, California · 15144 days ago · 24 km deep · 74 km away
  14. 3.441 km WSW of Ferndale, California · 15142 days ago · 18 km deep · 2 km away
  15. 2.431 km W of Ferndale, California · 15141 days ago · 17 km deep · 22 km away
  16. 2.763 km WSW of Ferndale, California · 15139 days ago · -1 km deep · 27 km away
  17. 2.314 km WSW of Weott, California · 15139 days ago · 17 km deep · 52 km away
  18. 1.818 km W of Ferndale, California · 15137 days ago · 4 km deep · 28 km away
  19. 2.946 km WSW of Ferndale, California · 15136 days ago · 4 km deep · 13 km away
  20. 1.78 km SW of Weott, California · 15135 days ago · 4 km deep · 61 km away
  21. 3.028 km SW of Scotia, California · 15135 days ago · 9 km deep · 31 km away
  22. 3.423 km SSW of Scotia, California · 15135 days ago · 10 km deep · 40 km away
  23. 2.9118km W of Ferndale, CA · 15134 days ago · 22 km deep · 85 km away
  24. 1.911 km WSW of Weott, California · 15130 days ago · 4 km deep · 56 km away
  25. 3.05 km NW of Fields Landing, California · 15130 days ago · 23 km deep · 59 km away
  26. 1.910 km S of Ferndale, California · 15129 days ago · 30 km deep · 40 km away
  27. 3.119 km SSW of Ferndale, California · 15128 days ago · 14 km deep · 30 km away
  28. 2.16 km NW of Alderpoint, California · 15126 days ago · 21 km deep · 89 km away
  29. 1.610 km WSW of Rio Dell, California · 15126 days ago · 18 km deep · 42 km away
  30. 2.115 km NW of Shelter Cove, California · 15125 days ago · 13 km deep · 48 km away
  31. 2.115 km WNW of Fields Landing, California · 15125 days ago · 14 km deep · 54 km away
  32. 1.81 km W of Indianola, California · 15124 days ago · 4 km deep · 52 km away
  33. 2.916 km W of Shelter Cove, California · 15124 days ago · 2 km deep · 51 km away
  34. 1.75 km WSW of Scotia, California · 15123 days ago · 12 km deep · 46 km away
  35. 2.344 km SW of Ferndale, California · 15121 days ago · 21 km deep · 7 km away
  36. 2.032 km SSW of Ferndale, California · 15120 days ago · 4 km deep · 20 km away
  37. 2.25 km WSW of Indianola, California · 15120 days ago · 4 km deep · 48 km away
  38. 1.65 km SSE of Benbow, California · 15118 days ago · 15 km deep · 88 km away
  39. 2.326 km W of Samoa, California · 15118 days ago · 18 km deep · 59 km away
  40. 3.119 km SW of Ferndale, California · 15117 days ago · 25 km deep · 26 km away
  41. 4.3104 km W of Ferndale, California · 15116 days ago · 7 km deep · 67 km away
  42. 1.95 km NW of Shelter Cove, California · 15115 days ago · 16 km deep · 59 km away
  43. 3.0off the coast of Northern California · 15113 days ago · 2 km deep · 41 km away
  44. 2.410 km NNE of Shelter Cove, California · 15113 days ago · 20 km deep · 64 km away
  45. 2.630 km SW of Ferndale, California · 15112 days ago · 17 km deep · 16 km away
  46. 3.394 km W of Ferndale, California · 15110 days ago · 3 km deep · 59 km away
  47. 3.911 km W of Indianola, California · 15110 days ago · 20 km deep · 45 km away
  48. 2.586 km W of Ferndale, California · 15108 days ago · 4 km deep · 49 km away
  49. 2.519 km SSW of Scotia, California · 15106 days ago · 30 km deep · 40 km away
  50. 2.08 km SSW of Scotia, California · 15104 days ago · -1 km deep · 47 km away
  51. 1.610 km SSE of Blue Lake, California · 15103 days ago · 5 km deep · 80 km away
  52. 2.14 km SW of Scotia, California · 15099 days ago · 25 km deep · 48 km away
  53. 2.021 km WNW of Indianola, California · 15099 days ago · 4 km deep · 50 km away
  54. 1.69 km SSE of Ferndale, California · 15098 days ago · 20 km deep · 43 km away
  55. 2.7near the coast of Northern California · 15097 days ago · 4 km deep · 58 km away
  56. 2.628 km SW of Ferndale, California · 15095 days ago · 24 km deep · 15 km away
  57. 2.152 km SW of Ferndale, California · 15095 days ago · 19 km deep · 10 km away
  58. 2.012 km SW of Weott, California · 15093 days ago · 4 km deep · 57 km away

Before

  1. 2.715 km S of Scotia, California · 15152 days ago · 21 km deep · 47 km away
  2. 2.9122 km WSW of Ferndale, California · 15152 days ago · 4 km deep · 82 km away
  3. 2.354 km W of Ferndale, California · 15153 days ago · 4 km deep · 26 km away
  4. 3.323 km SW of Scotia, California · 15155 days ago · 20 km deep · 33 km away
  5. 2.09 km S of Ferndale, California · 15155 days ago · 18 km deep · 38 km away
  6. 2.89 km S of Ferndale, California · 15155 days ago · 18 km deep · 38 km away
  7. 3.59 km S of Ferndale, California · 15155 days ago · 18 km deep · 38 km away
  8. 1.98 km SSW of Ferndale, California · 15155 days ago · 19 km deep · 37 km away
  9. 1.72 km ESE of Garberville, California · 15157 days ago · 20 km deep · 84 km away
  10. 2.843 km SSW of Ferndale, California · 15158 days ago · 11 km deep · 17 km away
  11. 2.031 km SSW of Ferndale, California · 15159 days ago · 4 km deep · 23 km away
  12. 1.815 km N of Shelter Cove, California · 15159 days ago · 23 km deep · 55 km away
  13. 3.071 km W of Ferndale, California · 15160 days ago · 4 km deep · 45 km away
  14. 2.48 km ESE of Hydesville, California · 15160 days ago · 20 km deep · 61 km away
  15. 2.521 km WSW of Scotia, California · 15163 days ago · 22 km deep · 33 km away
  16. 2.831 km SW of Scotia, California · 15164 days ago · 21 km deep · 28 km away
  17. 1.930 km SSW of Ferndale, California · 15166 days ago · 7 km deep · 24 km away
  18. 2.49 km S of Ferndale, California · 15166 days ago · 26 km deep · 38 km away
  19. 2.932 km SW of Ferndale, California · 15168 days ago · 20 km deep · 16 km away
  20. 3.043 km SW of Ferndale, California · 15168 days ago · 18 km deep · 5 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc46557 (also filed as usp0002dhx). Read Wed, Sep 30, 2026, 7:40 AM UTC.