California earthquakes

M2.8 earthquake 76 km WSW of Ferndale, California

A magnitude 2.8 earthquake struck 76 km WSW of Ferndale, California on Mon, Oct 12, 1987, 2:17 AM PDT (09:17 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M3.9 23 km WNW of Fields Landing, 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
2.8 (md), micro
Local time
UTC
1987-10-12 09:17:00 UTC
Depth
12.9 km (8.0 mi), shallow
Epicenter
40.332° N, 125.105° 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 13.4 km horizontally, 13.1 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
291°, poorly surrounded by stations
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 36 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 2.725 km SSW of Ferndale, California · 14225 days ago · 4 km deep · 61 km away
  2. 3.923 km WNW of Fields Landing, California · 14222 days ago · 1 km deep · 74 km away
  3. 2.414 km S of Ferndale, California · 14215 days ago · 24 km deep · 71 km away
  4. 3.0159 km WSW of Ferndale, California · 14208 days ago · 5 km deep · 84 km away
  5. 4.4106 km W of Ferndale, California · 14206 days ago · 5 km deep · 38 km away
  6. 2.628 km SW of Ferndale, California · 14203 days ago · 22 km deep · 52 km away
  7. 2.212 km S of Ferndale, California · 14197 days ago · 0 km deep · 74 km away
  8. 2.987 km W of Ferndale, California · 14197 days ago · 18 km deep · 19 km away
  9. 3.436 km W of Ferndale, California · 14195 days ago · 2 km deep · 43 km away
  10. 3.836 km WNW of Samoa, California · 14194 days ago · 14 km deep · 76 km away
  11. 2.551 km WSW of Ferndale, California · 14192 days ago · 23 km deep · 25 km away
  12. 3.231 km SW of Ferndale, California · 14188 days ago · 4 km deep · 50 km away
  13. 3.1139 km W of Ferndale, California · 14187 days ago · 10 km deep · 68 km away
  14. 2.16 km WSW of Hydesville, California · 14185 days ago · 8 km deep · 82 km away
  15. 3.825 km SSW of Ferndale, California · 14185 days ago · 21 km deep · 59 km away
  16. 1.710 km SW of Ferndale, California · 14184 days ago · 22 km deep · 66 km away
  17. 1.826 km SSW of Ferndale, California · 14183 days ago · 16 km deep · 59 km away
  18. 2.479 km WSW of Ferndale, California · 14181 days ago · 5 km deep · 3 km away
  19. 1.922 km SSW of Ferndale, California · 14181 days ago · 19 km deep · 60 km away
  20. 2.290 km W of Ferndale, California · 14180 days ago · 5 km deep · 21 km away
  21. 1.92 km NW of Ferndale, California · 14179 days ago · 4 km deep · 75 km away
  22. 3.233 km SSW of Ferndale, California · 14178 days ago · 11 km deep · 57 km away
  23. 2.34 km N of Ferndale, California · 14178 days ago · 10 km deep · 77 km away
  24. 2.05 km SSE of Ferndale, California · 14177 days ago · 14 km deep · 76 km away
  25. 2.25 km NNW of Ferndale, California · 14177 days ago · 1 km deep · 76 km away
  26. 2.63 km NNW of Hydesville, California · 14177 days ago · 4 km deep · 88 km away
  27. 3.223 km SSW of Ferndale, California · 14176 days ago · 19 km deep · 61 km away
  28. 1.98 km W of Indianola, California · 14175 days ago · 4 km deep · 76 km away
  29. 3.0137 km W of Ferndale, California · 14175 days ago · 6 km deep · 70 km away
  30. 2.658 km WSW of Ferndale, California · 14172 days ago · 4 km deep · 18 km away
  31. 3.828 km SSW of Ferndale, California · 14171 days ago · 15 km deep · 59 km away
  32. 3.329 km SSW of Ferndale, California · 14170 days ago · 18 km deep · 56 km away
  33. 2.68 km WSW of Ferndale, California · 14169 days ago · 18 km deep · 67 km away
  34. 2.234 km SW of Scotia, California · 14169 days ago · 18 km deep · 61 km away
  35. 2.728 km SW of Ferndale, California · 14167 days ago · 3 km deep · 55 km away
  36. 3.1103km W of Trinidad, CA · 14166 days ago · 15 km deep · 86 km away

Before

  1. 3.123 km SSW of Ferndale, California · 14240 days ago · 13 km deep · 59 km away
  2. 3.332 km SW of Ferndale, California · 14240 days ago · 15 km deep · 49 km away
  3. 3.023 km SSW of Ferndale, California · 14241 days ago · 4 km deep · 64 km away
  4. 2.850 km WSW of Ferndale, California · 14243 days ago · 5 km deep · 29 km away
  5. 2.427 km SW of Ferndale, California · 14244 days ago · 4 km deep · 53 km away
  6. 2.635 km WSW of Ferndale, California · 14246 days ago · 21 km deep · 41 km away
  7. 3.364 km W of Ferndale, California · 14247 days ago · 1 km deep · 25 km away
  8. 3.723 km SW of Scotia, California · 14248 days ago · 1 km deep · 66 km away
  9. 2.710 km SSW of Ferndale, California · 14250 days ago · 19 km deep · 71 km away
  10. 3.49 km SSW of Ferndale, California · 14250 days ago · 19 km deep · 71 km away
  11. 1.66 km SSW of Ferndale, California · 14250 days ago · 13 km deep · 72 km away
  12. 2.010 km SSW of Ferndale, California · 14251 days ago · 19 km deep · 71 km away
  13. 2.5107 km W of Ferndale, California · 14252 days ago · 4 km deep · 38 km away
  14. 2.18 km SW of Ferndale, California · 14252 days ago · 13 km deep · 69 km away
  15. 3.441 km SW of Ferndale, California · 14252 days ago · 20 km deep · 41 km away
  16. 1.623 km SW of Scotia, California · 14253 days ago · 4 km deep · 66 km away
  17. 1.69 km SSW of Ferndale, California · 14254 days ago · 14 km deep · 69 km away
  18. 2.413 km SSW of Ferndale, California · 14255 days ago · 19 km deep · 69 km away
  19. 3.187 km W of Ferndale, California · 14255 days ago · 13 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc10085299. Read Tue, Sep 22, 2026, 10:33 PM UTC.