California earthquakes

M2.3 earthquake 26 km W of Samoa, California

A magnitude 2.3 earthquake struck 26 km W of Samoa, California on Fri, May 10, 1985, 11:25 AM PDT (18:25 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M3.1 19 km SW of Ferndale, California. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.3 (md), micro
Local time
UTC
1985-05-10 18:25:03 UTC
Depth
18.0 km (11.2 mi), shallow
Epicenter
40.861° N, 124.499° 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 2.1 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.34
Depth from
From location
Station coverage gap
231°, poorly surrounded by stations
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 50 in the 60 days after this one and 29 in the 30 days before it.

After

  1. 3.119 km SW of Ferndale, California · 15109 days ago · 25 km deep · 46 km away
  2. 4.3104 km W of Ferndale, California · 15108 days ago · 7 km deep · 96 km away
  3. 1.95 km NW of Shelter Cove, California · 15107 days ago · 16 km deep · 94 km away
  4. 3.0off the coast of Northern California · 15105 days ago · 2 km deep · 72 km away
  5. 2.410 km NNE of Shelter Cove, California · 15105 days ago · 20 km deep · 92 km away
  6. 2.630 km SW of Ferndale, California · 15104 days ago · 17 km deep · 55 km away
  7. 3.394 km W of Ferndale, California · 15103 days ago · 3 km deep · 85 km away
  8. 3.911 km W of Indianola, California · 15102 days ago · 20 km deep · 23 km away
  9. 2.586 km W of Ferndale, California · 15101 days ago · 4 km deep · 80 km away
  10. 2.913km SSE of Willow Creek, CA · 15099 days ago · 13 km deep · 78 km away
  11. 2.519 km SSW of Scotia, California · 15098 days ago · 30 km deep · 63 km away
  12. 2.08 km SSW of Scotia, California · 15096 days ago · -1 km deep · 58 km away
  13. 1.610 km SSE of Blue Lake, California · 15095 days ago · 5 km deep · 48 km away
  14. 1.91 km SW of Burnt Ranch, California · 15095 days ago · 20 km deep · 85 km away
  15. 2.14 km SW of Scotia, California · 15091 days ago · 25 km deep · 54 km away
  16. 2.021 km WNW of Indianola, California · 15091 days ago · 4 km deep · 11 km away
  17. 1.69 km SSE of Ferndale, California · 15090 days ago · 20 km deep · 47 km away
  18. 2.323 km NNE of Trinity Village, California · 15090 days ago · 31 km deep · 94 km away
  19. 2.7near the coast of Northern California · 15089 days ago · 4 km deep · 78 km away
  20. 2.628 km SW of Ferndale, California · 15087 days ago · 24 km deep · 50 km away
  21. 2.152 km SW of Ferndale, California · 15087 days ago · 19 km deep · 68 km away
  22. 2.012 km SW of Weott, California · 15085 days ago · 4 km deep · 78 km away
  23. 2.315 km ENE of Hydesville, California · 15084 days ago · 19 km deep · 58 km away
  24. 2.116 km WSW of Weott, California · 15083 days ago · 4 km deep · 73 km away
  25. 1.67 km W of Redcrest, California · 15079 days ago · 4 km deep · 64 km away
  26. 2.2Northern California · 15078 days ago · 10 km deep · 84 km away
  27. 2.05 km WNW of Samoa, California · 15077 days ago · 4 km deep · 21 km away
  28. 1.620 km W of Hyampom, California · 15075 days ago · 4 km deep · 73 km away
  29. 2.923 km SSW of Ferndale, California · 15070 days ago · 17 km deep · 54 km away
  30. 3.328 km SW of Scotia, California · 15066 days ago · 10 km deep · 63 km away
  31. 2.510 km NW of Fields Landing, California · 15063 days ago · 26 km deep · 18 km away
  32. 2.92 km N of Burnt Ranch, California · 15063 days ago · 20 km deep · 86 km away
  33. 1.726 km N of Willow Creek, California · 15062 days ago · 4 km deep · 81 km away
  34. 2.114 km WNW of Ferndale, California · 15062 days ago · 15 km deep · 28 km away
  35. 2.585 km WSW of Ferndale, California · 15059 days ago · 5 km deep · 86 km away
  36. 3.42 km NNW of Fields Landing, California · 15057 days ago · 7 km deep · 27 km away
  37. 2.139 km WSW of Ferndale, California · 15056 days ago · 19 km deep · 51 km away
  38. 2.031 km SW of Ferndale, California · 15055 days ago · 19 km deep · 54 km away
  39. 1.67 km W of Loleta, California · 15055 days ago · 4 km deep · 29 km away
  40. 2.43 km WNW of Fields Landing, California · 15055 days ago · 4 km deep · 25 km away
  41. 1.65 km SSE of Ferndale, California · 15055 days ago · 18 km deep · 43 km away
  42. 1.85 km SW of Ferndale, California · 15054 days ago · 13 km deep · 39 km away
  43. 2.128 km SW of Ferndale, California · 15054 days ago · 17 km deep · 53 km away
  44. 1.615 km WSW of Weott, California · 15053 days ago · 4 km deep · 77 km away
  45. 2.319 km NNW of Shelter Cove, California · 15053 days ago · 4 km deep · 80 km away
  46. 2.817 km WNW of Indianola, California · 15052 days ago · 6 km deep · 15 km away
  47. 2.53 km N of Redway, California · 15051 days ago · 19 km deep · 98 km away
  48. 1.619 km SW of Weott, California · 15051 days ago · 4 km deep · 81 km away
  49. 1.8near the coast of Northern California · 15051 days ago · 17 km deep · 54 km away
  50. 1.7near the coast of Northern California · 15050 days ago · 4 km deep · 58 km away

Before

  1. 2.25 km WSW of Indianola, California · 15112 days ago · 4 km deep · 28 km away
  2. 2.032 km SSW of Ferndale, California · 15113 days ago · 4 km deep · 60 km away
  3. 2.344 km SW of Ferndale, California · 15113 days ago · 21 km deep · 63 km away
  4. 1.75 km WSW of Scotia, California · 15116 days ago · 12 km deep · 52 km away
  5. 2.916 km W of Shelter Cove, California · 15116 days ago · 2 km deep · 94 km away
  6. 1.81 km W of Indianola, California · 15116 days ago · 4 km deep · 29 km away
  7. 2.115 km WNW of Fields Landing, California · 15117 days ago · 14 km deep · 13 km away
  8. 2.115 km NW of Shelter Cove, California · 15117 days ago · 13 km deep · 86 km away
  9. 1.610 km WSW of Rio Dell, California · 15118 days ago · 18 km deep · 48 km away
  10. 3.119 km SSW of Ferndale, California · 15120 days ago · 14 km deep · 51 km away
  11. 1.910 km S of Ferndale, California · 15121 days ago · 30 km deep · 47 km away
  12. 3.05 km NW of Fields Landing, California · 15122 days ago · 23 km deep · 23 km away
  13. 1.911 km WSW of Weott, California · 15122 days ago · 4 km deep · 77 km away
  14. 3.423 km SSW of Scotia, California · 15127 days ago · 10 km deep · 67 km away
  15. 3.028 km SW of Scotia, California · 15127 days ago · 9 km deep · 64 km away
  16. 1.78 km SW of Weott, California · 15127 days ago · 4 km deep · 80 km away
  17. 2.946 km WSW of Ferndale, California · 15129 days ago · 4 km deep · 52 km away
  18. 1.818 km W of Ferndale, California · 15129 days ago · 4 km deep · 35 km away
  19. 2.314 km WSW of Weott, California · 15131 days ago · 17 km deep · 73 km away
  20. 2.763 km WSW of Ferndale, California · 15131 days ago · -1 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc48746. Read Tue, Sep 22, 2026, 12:08 PM UTC.