California earthquakes

M2.8 earthquake 40 km SW of Ferndale, California

A magnitude 2.8 earthquake struck 40 km SW of Ferndale, California on Tue, Feb 17, 1981, 7:34 AM PST (15:34 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M4.7 130 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.

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The earthquake

Magnitude
2.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1981-02-17 15:34:20 UTC
Depth
22.8 km (14.2 mi), shallow
Epicenter
40.332° N, 124.626° 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 2.8 km horizontally, 10.0 km in depth
Depth from
From location
Station coverage gap
273°, 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: 155 in the 60 days after this one and 65 in the 30 days before it.

After

  1. 2.927 km SW of Ferndale, California · 16662 days ago · 25 km deep · 14 km away
  2. 2.568 km W of Indianola, California · 16662 days ago · 20 km deep · 60 km away
  3. 2.325 km SSW of Ferndale, California · 16661 days ago · 19 km deep · 19 km away
  4. 1.84 km NNE of Hydesville, California · 16661 days ago · 14 km deep · 54 km away
  5. 2.120 km WSW of Weott, California · 16660 days ago · 7 km deep · 43 km away
  6. 2.326 km SSW of Ferndale, California · 16660 days ago · 19 km deep · 18 km away
  7. 3.374 km W of Indianola, California · 16660 days ago · 3 km deep · 66 km away
  8. 2.454 km WNW of Ferndale, California · 16659 days ago · 3 km deep · 45 km away
  9. 1.725 km SW of Scotia, California · 16659 days ago · 13 km deep · 25 km away
  10. 2.138 km SW of Ferndale, California · 16659 days ago · 22 km deep · 7 km away
  11. 2.114 km WSW of Mad River, California · 16657 days ago · 27 km deep · 81 km away
  12. 2.45 km WNW of Samoa, California · 16657 days ago · 8 km deep · 64 km away
  13. 2.144 km W of Trinidad, California · 16656 days ago · 4 km deep · 73 km away
  14. 2.161 km WNW of Indianola, California · 16656 days ago · 11 km deep · 62 km away
  15. 2.2Northern California · 16655 days ago · 26 km deep · 91 km away
  16. 1.639 km SW of Ferndale, California · 16654 days ago · 24 km deep · 1 km away
  17. 2.531 km SW of Ferndale, California · 16654 days ago · 39 km deep · 11 km away
  18. 2.343 km SW of Ferndale, California · 16654 days ago · 12 km deep · 9 km away
  19. 2.219 km SW of Scotia, California · 16652 days ago · 16 km deep · 29 km away
  20. 3.230 km W of Indianola, California · 16651 days ago · 50 km deep · 45 km away
  21. 2.617 km W of Big Lagoon, California · 16650 days ago · 29 km deep · 95 km away
  22. 3.023 km WNW of Trinidad, California · 16650 days ago · 18 km deep · 87 km away
  23. 2.363 km WSW of Ferndale, California · 16649 days ago · 11 km deep · 32 km away
  24. 2.630 km SW of Scotia, California · 16649 days ago · 23 km deep · 26 km away
  25. 3.6118 km W of Ferndale, California · 16649 days ago · 5 km deep · 91 km away
  26. 2.540 km W of Big Lagoon, California · 16649 days ago · 5 km deep · 94 km away
  27. 1.951 km W of Trinidad, California · 16647 days ago · 2 km deep · 82 km away
  28. 2.11 km NE of Scotia, California · 16647 days ago · 22 km deep · 49 km away
  29. 1.921 km SW of Ferndale, California · 16647 days ago · 21 km deep · 21 km away
  30. 2.18 km E of Scotia, California · 16646 days ago · 22 km deep · 55 km away
  31. 2.240 km WNW of Shelter Cove, California · 16645 days ago · -1 km deep · 18 km away
  32. 2.712 km WNW of Ferndale, California · 16645 days ago · 12 km deep · 39 km away
  33. 2.06 km NW of Ferndale, California · 16645 days ago · 14 km deep · 42 km away
  34. 2.32 km WNW of Weott, California · 16645 days ago · -1 km deep · 57 km away
  35. 3.534 km SW of Ferndale, California · 16643 days ago · 26 km deep · 8 km away
  36. 1.65 km SSW of Trinidad, California · 16642 days ago · 11 km deep · 85 km away
  37. 3.536 km SW of Ferndale, California · 16642 days ago · 26 km deep · 7 km away
  38. 3.337 km SW of Ferndale, California · 16642 days ago · 27 km deep · 6 km away
  39. 3.136 km SW of Ferndale, California · 16642 days ago · 25 km deep · 6 km away
  40. 2.110 km SW of Ferndale, California · 16642 days ago · 17 km deep · 31 km away
  41. 2.433 km SW of Ferndale, California · 16641 days ago · 38 km deep · 11 km away
  42. 1.81 km NW of McKinleyville, California · 16641 days ago · 4 km deep · 82 km away
  43. 2.6117 km W of Ferndale, California · 16641 days ago · 4 km deep · 88 km away
  44. 2.06 km NW of Manila, California · 16640 days ago · 12 km deep · 71 km away
  45. 2.1off the coast of Northern California · 16639 days ago · 3 km deep · 46 km away
  46. 2.444 km SW of Ferndale, California · 16638 days ago · 20 km deep · 4 km away
  47. 3.036 km SW of Ferndale, California · 16638 days ago · 27 km deep · 7 km away
  48. 1.735 km SW of Ferndale, California · 16638 days ago · 11 km deep · 7 km away
  49. 2.679 km WSW of Ferndale, California · 16638 days ago · 7 km deep · 46 km away
  50. 3.738 km SW of Ferndale, California · 16638 days ago · 26 km deep · 3 km away
  51. 4.7130 km W of Ferndale, California · 16636 days ago · 7 km deep · 99 km away
  52. 2.167 km W of Ferndale, California · 16636 days ago · 5 km deep · 40 km away
  53. 2.3115 km W of Ferndale, California · 16636 days ago · 4 km deep · 89 km away
  54. 3.036 km SW of Ferndale, California · 16636 days ago · 26 km deep · 7 km away
  55. 3.238 km SW of Ferndale, California · 16636 days ago · 25 km deep · 3 km away
  56. 3.0111 km WSW of Ferndale, California · 16635 days ago · 4 km deep · 79 km away
  57. 2.03 km NW of Myers Flat, California · 16635 days ago · 28 km deep · 61 km away
  58. 2.838 km SW of Ferndale, California · 16635 days ago · 25 km deep · 3 km away
  59. 1.715 km ENE of Blue Lake, California · 16633 days ago · 22 km deep · 96 km away
  60. 3.281 km W of Indianola, California · 16633 days ago · 19 km deep · 70 km away

The first 60 of 155.

Before

  1. 2.919 km W of Hyampom, California · 16664 days ago · 27 km deep · 85 km away
  2. 2.113 km WSW of Trinidad, California · 16664 days ago · 9 km deep · 80 km away
  3. 2.232 km WNW of Samoa, California · 16665 days ago · 4 km deep · 65 km away
  4. 2.637 km SW of Ferndale, California · 16666 days ago · 22 km deep · 5 km away
  5. 2.232 km WSW of Ferndale, California · 16666 days ago · 24 km deep · 11 km away
  6. 2.232 km WNW of Samoa, California · 16666 days ago · 4 km deep · 71 km away
  7. 3.153 km W of Ferndale, California · 16667 days ago · 55 km deep · 29 km away
  8. 1.920 km NE of Redcrest, California · 16670 days ago · 8 km deep · 73 km away
  9. 2.941 km SW of Ferndale, California · 16670 days ago · 25 km deep · 1 km away
  10. 2.637 km W of Trinidad, California · 16671 days ago · 19 km deep · 79 km away
  11. 2.549 km SW of Ferndale, California · 16672 days ago · 20 km deep · 9 km away
  12. 2.013 km NE of Fieldbrook, California · 16672 days ago · 5 km deep · 99 km away
  13. 3.02 km N of Fields Landing, California · 16672 days ago · 23 km deep · 57 km away
  14. 2.374 km W of Indianola, California · 16673 days ago · 7 km deep · 66 km away
  15. 2.041 km SW of Ferndale, California · 16673 days ago · 13 km deep · 7 km away
  16. 2.935 km W of Trinidad, California · 16674 days ago · 21 km deep · 84 km away
  17. 2.282 km W of Ferndale, California · 16674 days ago · 17 km deep · 64 km away
  18. 2.638 km SW of Ferndale, California · 16674 days ago · 25 km deep · 3 km away
  19. 2.398 km WSW of Ferndale, California · 16675 days ago · 4 km deep · 62 km away
  20. 2.457 km W of Indianola, California · 16676 days ago · 12 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1060477. Read Thu, Oct 1, 2026, 11:03 AM UTC.