California earthquakes

M1.8 earthquake 36 km SW of Ferndale, California

A magnitude 1.8 earthquake struck 36 km SW of Ferndale, California on Fri, Sep 4, 1981, 1:54 AM PDT (08:54 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M2.6 37 km SSW 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
1.8 (md), micro
Local time
UTC
1981-09-04 08:54:25 UTC
Depth
21.2 km (13.2 mi), shallow
Epicenter
40.346° N, 124.566° 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 1.0 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
267°, poorly surrounded by stations
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 195 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 2.637 km SSW of Ferndale, California · 16454 days ago · 28 km deep · 12 km away
  2. 1.637 km SW of Ferndale, California · 16454 days ago · 22 km deep · 5 km away
  3. 1.947 km SW of Ferndale, California · 16453 days ago · 19 km deep · 13 km away
  4. 2.325 km WSW of Ferndale, California · 16453 days ago · 27 km deep · 13 km away
  5. 2.614 km ESE of Pine Hills, California · 16450 days ago · 22 km deep · 60 km away
  6. 2.049 km W of Ferndale, California · 16449 days ago · 20 km deep · 29 km away
  7. 2.983 km WSW of Ferndale, California · 16448 days ago · 11 km deep · 54 km away
  8. 1.928 km SSW of Ferndale, California · 16447 days ago · 18 km deep · 10 km away
  9. 1.828 km WSW of Ferndale, California · 16446 days ago · 24 km deep · 16 km away
  10. 1.631 km SW of Ferndale, California · 16446 days ago · 32 km deep · 7 km away
  11. 1.66 km SSE of Ferndale, California · 16445 days ago · 23 km deep · 33 km away
  12. 2.921 km NW of Mad River, California · 16445 days ago · 23 km deep · 76 km away
  13. 1.638 km SW of Ferndale, California · 16445 days ago · 23 km deep · 5 km away
  14. 1.839 km WSW of Ferndale, California · 16444 days ago · 48 km deep · 12 km away
  15. 1.628 km SW of Ferndale, California · 16444 days ago · 18 km deep · 8 km away
  16. 1.627 km SW of Ferndale, California · 16444 days ago · 17 km deep · 9 km away
  17. 1.750 km WNW of Indianola, California · 16444 days ago · -1 km deep · 53 km away
  18. 2.370 km W of Indianola, California · 16443 days ago · 4 km deep · 64 km away
  19. 3.29 km SSE of Blue Lake, California · 16443 days ago · 26 km deep · 75 km away
  20. 1.921 km SSW of Ferndale, California · 16443 days ago · 21 km deep · 16 km away
  21. 4.736 km SW of Ferndale, California · 16442 days ago · 28 km deep · 2 km away
  22. 3.234 km SW of Ferndale, California · 16442 days ago · 30 km deep · 7 km away
  23. 3.636 km SW of Ferndale, California · 16442 days ago · 29 km deep · 2 km away
  24. 3.035 km SW of Ferndale, California · 16442 days ago · 28 km deep · 5 km away
  25. 1.837 km SW of Ferndale, California · 16442 days ago · 26 km deep · 5 km away
  26. 1.837 km SW of Ferndale, California · 16442 days ago · 26 km deep · 4 km away
  27. 2.140 km SW of Ferndale, California · 16442 days ago · 27 km deep · 4 km away
  28. 1.915 km ESE of Pine Hills, California · 16442 days ago · 22 km deep · 60 km away
  29. 3.031 km SW of Ferndale, California · 16442 days ago · 25 km deep · 8 km away
  30. 1.943 km SW of Ferndale, California · 16442 days ago · 31 km deep · 7 km away
  31. 1.620 km W of Trinidad, California · 16442 days ago · 9 km deep · 82 km away
  32. 1.838 km SW of Ferndale, California · 16442 days ago · 29 km deep · 3 km away
  33. 2.837 km SW of Ferndale, California · 16442 days ago · 27 km deep · 2 km away
  34. 2.433 km SW of Ferndale, California · 16442 days ago · 26 km deep · 6 km away
  35. 1.935 km SSW of Ferndale, California · 16442 days ago · 25 km deep · 12 km away
  36. 2.111 km WSW of Scotia, California · 16442 days ago · 30 km deep · 31 km away
  37. 2.160 km W of Ferndale, California · 16441 days ago · 15 km deep · 40 km away
  38. 1.69 km SSE of Blue Lake, California · 16441 days ago · 26 km deep · 74 km away
  39. 1.837 km SW of Ferndale, California · 16441 days ago · 27 km deep · 3 km away
  40. 1.819 km SW of Scotia, California · 16441 days ago · 31 km deep · 27 km away
  41. 1.937 km SW of Ferndale, California · 16441 days ago · 28 km deep · 2 km away
  42. 1.914 km S of Scotia, California · 16441 days ago · 31 km deep · 37 km away
  43. 1.710 km W of Scotia, California · 16440 days ago · 22 km deep · 32 km away
  44. 1.73 km SE of Scotia, California · 16440 days ago · 26 km deep · 44 km away
  45. 3.337 km SW of Ferndale, California · 16440 days ago · 28 km deep · 2 km away
  46. 2.117 km WNW of Indianola, California · 16440 days ago · 24 km deep · 47 km away
  47. 1.749 km WSW of Ferndale, California · 16439 days ago · 5 km deep · 16 km away
  48. 1.726 km WSW of Ferndale, California · 16439 days ago · 25 km deep · 13 km away
  49. 2.333 km SW of Ferndale, California · 16439 days ago · 28 km deep · 3 km away
  50. 2.045 km SW of Ferndale, California · 16439 days ago · 24 km deep · 11 km away
  51. 2.028 km SW of Scotia, California · 16439 days ago · 8 km deep · 23 km away
  52. 1.50 km E of Ferndale, California · 16438 days ago · 5 km deep · 37 km away
  53. 3.435 km SSW of Ferndale, California · 16437 days ago · 12 km deep · 10 km away
  54. 2.641 km SW of Ferndale, California · 16437 days ago · 26 km deep · 5 km away
  55. 3.336 km SW of Ferndale, California · 16437 days ago · 27 km deep · 3 km away
  56. 2.340 km SW of Ferndale, California · 16437 days ago · 28 km deep · 5 km away
  57. 1.941 km SW of Ferndale, California · 16434 days ago · 30 km deep · 6 km away
  58. 3.041 km SW of Ferndale, California · 16432 days ago · 20 km deep · 7 km away
  59. 3.243 km WNW of Shelter Cove, California · 16432 days ago · 0 km deep · 21 km away
  60. 2.118 km WSW of Scotia, California · 16432 days ago · 30 km deep · 24 km away

The first 60 of 195.

Before

  1. 1.626 km WSW of Burnt Ranch, California · 16455 days ago · 27 km deep · 79 km away
  2. 2.743 km SW of Ferndale, California · 16455 days ago · 30 km deep · 8 km away
  3. 2.234 km SW of Ferndale, California · 16456 days ago · 33 km deep · 4 km away
  4. 1.648 km WNW of Indianola, California · 16457 days ago · 2 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1067358. Read Tue, Sep 22, 2026, 9:31 PM UTC.