California earthquakes

M1.8 earthquake 43 km SW of Ferndale, California

A magnitude 1.8 earthquake struck 43 km SW of Ferndale, California on Sat, Aug 29, 1981, 12:37 AM PDT (07:37 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M2.2 34 km SW 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
1981-08-29 07:37:53 UTC
Depth
22.7 km (14.1 mi), shallow
Epicenter
40.320° N, 124.656° 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 1.1 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
276°, poorly surrounded by stations
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 174 in the 60 days after this one and 25 in the 30 days before it.

After

  1. 1.738 km SW of Ferndale, California · 16460 days ago · 35 km deep · 5 km away
  2. 1.648 km WNW of Indianola, California · 16457 days ago · 2 km deep · 52 km away
  3. 2.234 km SW of Ferndale, California · 16456 days ago · 33 km deep · 12 km away
  4. 2.743 km SW of Ferndale, California · 16455 days ago · 30 km deep · 2 km away
  5. 1.626 km WSW of Burnt Ranch, California · 16455 days ago · 27 km deep · 87 km away
  6. 1.836 km SW of Ferndale, California · 16455 days ago · 21 km deep · 8 km away
  7. 2.637 km SSW of Ferndale, California · 16454 days ago · 28 km deep · 18 km away
  8. 1.637 km SW of Ferndale, California · 16454 days ago · 22 km deep · 10 km away
  9. 1.947 km SW of Ferndale, California · 16453 days ago · 19 km deep · 5 km away
  10. 2.325 km WSW of Ferndale, California · 16453 days ago · 27 km deep · 19 km away
  11. 2.614 km ESE of Pine Hills, California · 16450 days ago · 22 km deep · 68 km away
  12. 2.049 km W of Ferndale, California · 16449 days ago · 20 km deep · 25 km away
  13. 2.983 km WSW of Ferndale, California · 16448 days ago · 11 km deep · 47 km away
  14. 1.928 km SSW of Ferndale, California · 16447 days ago · 18 km deep · 18 km away
  15. 1.828 km WSW of Ferndale, California · 16446 days ago · 24 km deep · 20 km away
  16. 1.631 km SW of Ferndale, California · 16446 days ago · 32 km deep · 15 km away
  17. 1.66 km SSE of Ferndale, California · 16445 days ago · 23 km deep · 41 km away
  18. 2.921 km NW of Mad River, California · 16445 days ago · 23 km deep · 84 km away
  19. 1.638 km SW of Ferndale, California · 16445 days ago · 23 km deep · 10 km away
  20. 1.839 km WSW of Ferndale, California · 16444 days ago · 48 km deep · 11 km away
  21. 1.628 km SW of Ferndale, California · 16444 days ago · 18 km deep · 16 km away
  22. 1.627 km SW of Ferndale, California · 16444 days ago · 17 km deep · 17 km away
  23. 1.750 km WNW of Indianola, California · 16444 days ago · -1 km deep · 54 km away
  24. 2.370 km W of Indianola, California · 16443 days ago · 4 km deep · 61 km away
  25. 3.29 km SSE of Blue Lake, California · 16443 days ago · 26 km deep · 82 km away
  26. 1.921 km SSW of Ferndale, California · 16443 days ago · 21 km deep · 25 km away
  27. 4.736 km SW of Ferndale, California · 16442 days ago · 28 km deep · 8 km away
  28. 3.234 km SW of Ferndale, California · 16442 days ago · 30 km deep · 14 km away
  29. 3.636 km SW of Ferndale, California · 16442 days ago · 29 km deep · 9 km away
  30. 3.035 km SW of Ferndale, California · 16442 days ago · 28 km deep · 12 km away
  31. 1.837 km SW of Ferndale, California · 16442 days ago · 26 km deep · 11 km away
  32. 1.837 km SW of Ferndale, California · 16442 days ago · 26 km deep · 9 km away
  33. 2.140 km SW of Ferndale, California · 16442 days ago · 27 km deep · 5 km away
  34. 1.915 km ESE of Pine Hills, California · 16442 days ago · 22 km deep · 68 km away
  35. 3.031 km SW of Ferndale, California · 16442 days ago · 25 km deep · 16 km away
  36. 1.943 km SW of Ferndale, California · 16442 days ago · 31 km deep · 4 km away
  37. 1.620 km W of Trinidad, California · 16442 days ago · 9 km deep · 87 km away
  38. 1.838 km SW of Ferndale, California · 16442 days ago · 29 km deep · 6 km away
  39. 2.837 km SW of Ferndale, California · 16442 days ago · 27 km deep · 8 km away
  40. 2.433 km SW of Ferndale, California · 16442 days ago · 26 km deep · 13 km away
  41. 1.935 km SSW of Ferndale, California · 16442 days ago · 25 km deep · 18 km away
  42. 2.111 km WSW of Scotia, California · 16442 days ago · 30 km deep · 39 km away
  43. 2.160 km W of Ferndale, California · 16441 days ago · 15 km deep · 35 km away
  44. 1.69 km SSE of Blue Lake, California · 16441 days ago · 26 km deep · 82 km away
  45. 1.837 km SW of Ferndale, California · 16441 days ago · 27 km deep · 8 km away
  46. 1.819 km SW of Scotia, California · 16441 days ago · 31 km deep · 35 km away
  47. 1.937 km SW of Ferndale, California · 16441 days ago · 28 km deep · 8 km away
  48. 1.914 km S of Scotia, California · 16441 days ago · 31 km deep · 45 km away
  49. 1.710 km W of Scotia, California · 16440 days ago · 22 km deep · 40 km away
  50. 1.73 km SE of Scotia, California · 16440 days ago · 26 km deep · 52 km away
  51. 3.337 km SW of Ferndale, California · 16440 days ago · 28 km deep · 8 km away
  52. 2.117 km WNW of Indianola, California · 16440 days ago · 24 km deep · 52 km away
  53. 1.749 km WSW of Ferndale, California · 16439 days ago · 5 km deep · 8 km away
  54. 1.726 km WSW of Ferndale, California · 16439 days ago · 25 km deep · 19 km away
  55. 2.333 km SW of Ferndale, California · 16439 days ago · 28 km deep · 11 km away
  56. 2.045 km SW of Ferndale, California · 16439 days ago · 24 km deep · 4 km away
  57. 2.028 km SW of Scotia, California · 16439 days ago · 8 km deep · 30 km away
  58. 1.50 km E of Ferndale, California · 16438 days ago · 5 km deep · 44 km away
  59. 3.435 km SSW of Ferndale, California · 16437 days ago · 12 km deep · 16 km away
  60. 2.641 km SW of Ferndale, California · 16437 days ago · 26 km deep · 3 km away

The first 60 of 174.

Before

  1. 2.130 km SW of Ferndale, California · 16461 days ago · 29 km deep · 14 km away
  2. 2.56 km SE of Ferndale, California · 16462 days ago · 12 km deep · 46 km away
  3. 1.811 km WSW of Hyampom, California · 16462 days ago · 30 km deep · 95 km away
  4. 2.013 km SSW of Ferndale, California · 16462 days ago · 19 km deep · 33 km away
  5. 3.261 km WNW of Indianola, California · 16462 days ago · 9 km deep · 61 km away
  6. 1.811 km S of Ferndale, California · 16464 days ago · 20 km deep · 36 km away
  7. 2.044 km SW of Ferndale, California · 16464 days ago · 17 km deep · 2 km away
  8. 2.035 km SW of Ferndale, California · 16464 days ago · 17 km deep · 8 km away
  9. 1.630 km WSW of Ferndale, California · 16465 days ago · 27 km deep · 15 km away
  10. 1.811 km SSW of Ferndale, California · 16465 days ago · 20 km deep · 35 km away
  11. 1.633 km SSW of Ferndale, California · 16465 days ago · 34 km deep · 15 km away
  12. 2.139 km SW of Ferndale, CA · 16466 days ago · 30 km deep · 7 km away
  13. 2.425 km SW of Ferndale, California · 16467 days ago · 28 km deep · 19 km away
  14. 3.233 km SW of Scotia, California · 16467 days ago · 27 km deep · 22 km away
  15. 2.318 km WNW of Manila, California · 16467 days ago · 12 km deep · 74 km away
  16. 1.816 km NW of Manila, CA · 16467 days ago · 12 km deep · 75 km away
  17. 2.398 km WSW of Ferndale, California · 16467 days ago · 7 km deep · 63 km away
  18. 1.812 km W of Mad River, California · 16469 days ago · 0 km deep · 85 km away
  19. 2.238 km SW of Ferndale, California · 16469 days ago · 25 km deep · 5 km away
  20. 2.12 km SSW of Loleta, California · 16469 days ago · 19 km deep · 48 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1067203. Read Tue, Sep 22, 2026, 9:40 PM UTC.