California earthquakes

M1.8 earthquake 14 km WNW of Samoa, California

A magnitude 1.8 earthquake struck 14 km WNW of Samoa, California on Sat, Oct 17, 1981, 8:26 PM PDT (03:26 UTC), 25 km (16 mi) below the surface.

A larger quake followed: M2.0 36 km SSW 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
1.8 (md), micro
Local time
UTC
1981-10-18 03:26:34 UTC
Depth
25.4 km (15.8 mi), shallow
Epicenter
40.856° N, 124.348° 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 1.6 km horizontally, 1.8 km in depth
Depth from
From location
Station coverage gap
237°, 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: 147 in the 60 days after this one and 52 in the 30 days before it.

After

  1. 1.518 km SW of Scotia, California · 16410 days ago · 22 km deep · 55 km away
  2. 1.641 km SW of Ferndale, California · 16410 days ago · 20 km deep · 65 km away
  3. 2.036 km SSW of Ferndale, California · 16410 days ago · 21 km deep · 63 km away
  4. 1.96 km SE of Ferndale, California · 16409 days ago · 11 km deep · 37 km away
  5. 1.822 km WSW of Weott, California · 16409 days ago · 4 km deep · 71 km away
  6. 1.638 km WSW of Ferndale, California · 16409 days ago · 31 km deep · 54 km away
  7. 3.09 km N of Hyampom, California · 16409 days ago · 17 km deep · 78 km away
  8. 1.539 km SSW of Ferndale, California · 16407 days ago · 25 km deep · 67 km away
  9. 2.134 km SSW of Ferndale, California · 16407 days ago · 25 km deep · 62 km away
  10. 1.850 km WSW of Ferndale, California · 16407 days ago · 30 km deep · 62 km away
  11. 1.718 km W of Ferndale, California · 16407 days ago · 22 km deep · 36 km away
  12. 1.562 km SW of Ferndale, California · 16407 days ago · 5 km deep · 80 km away
  13. 1.640 km SSW of Ferndale, California · 16406 days ago · 25 km deep · 67 km away
  14. 1.837 km SW of Ferndale, California · 16406 days ago · 24 km deep · 63 km away
  15. 2.936 km SSW of Ferndale, California · 16405 days ago · 12 km deep · 64 km away
  16. 2.015 km SSW of Ferndale, California · 16405 days ago · 23 km deep · 46 km away
  17. 2.416 km SSW of Ferndale, California · 16405 days ago · 23 km deep · 46 km away
  18. 2.966 km W of Indianola, California · 16405 days ago · 5 km deep · 56 km away
  19. 2.256 km WSW of Ferndale, California · 16405 days ago · 23 km deep · 71 km away
  20. 2.619 km WSW of Scotia, California · 16404 days ago · 26 km deep · 51 km away
  21. 3.136 km SW of Ferndale, California · 16404 days ago · 28 km deep · 61 km away
  22. 1.730 km W of Trinidad, California · 16403 days ago · 3 km deep · 29 km away
  23. 3.837 km SW of Ferndale, California · 16403 days ago · 28 km deep · 62 km away
  24. 2.936 km SW of Ferndale, California · 16403 days ago · 27 km deep · 62 km away
  25. 1.837 km SW of Ferndale, California · 16403 days ago · 28 km deep · 61 km away
  26. 2.419 km W of Big Lagoon, California · 16402 days ago · 27 km deep · 35 km away
  27. 1.632 km SW of Ferndale, California · 16402 days ago · 39 km deep · 58 km away
  28. 2.532 km WSW of Ferndale, California · 16402 days ago · 26 km deep · 52 km away
  29. 1.64 km WSW of Redcrest, California · 16402 days ago · 35 km deep · 60 km away
  30. 2.01 km NE of Bayview, California · 16402 days ago · 11 km deep · 17 km away
  31. 2.136 km SW of Ferndale, California · 16402 days ago · 33 km deep · 61 km away
  32. 1.945 km SW of Ferndale, California · 16401 days ago · 20 km deep · 67 km away
  33. 2.834 km SW of Ferndale, California · 16401 days ago · 35 km deep · 60 km away
  34. 1.739 km SW of Ferndale, California · 16400 days ago · 23 km deep · 63 km away
  35. 1.617 km WNW of Indianola, California · 16400 days ago · 25 km deep · 14 km away
  36. 1.643 km SW of Ferndale, California · 16400 days ago · 18 km deep · 66 km away
  37. 2.415 km W of Samoa, California · 16399 days ago · 23 km deep · 5 km away
  38. 2.911 km W of Ferndale, California · 16399 days ago · 22 km deep · 32 km away
  39. 2.635 km SW of Ferndale, California · 16399 days ago · 25 km deep · 59 km away
  40. 3.236 km SW of Ferndale, California · 16399 days ago · 28 km deep · 61 km away
  41. 1.638 km SW of Ferndale, California · 16399 days ago · 25 km deep · 63 km away
  42. 1.659 km SW of Ferndale, California · 16399 days ago · 6 km deep · 77 km away
  43. 2.059 km W of Ferndale, California · 16399 days ago · 10 km deep · 64 km away
  44. 2.63 km SE of Fortuna, California · 16398 days ago · 20 km deep · 36 km away
  45. 1.738 km SW of Ferndale, California · 16398 days ago · 22 km deep · 63 km away
  46. 2.647 km SW of Ferndale, California · 16398 days ago · 21 km deep · 67 km away
  47. 1.517 km W of Ferndale, California · 16398 days ago · 22 km deep · 34 km away
  48. 3.038 km SW of Ferndale, California · 16398 days ago · 29 km deep · 63 km away
  49. 1.810 km NW of Willow Creek, California · 16398 days ago · 24 km deep · 57 km away
  50. 3.036 km SW of Ferndale, California · 16397 days ago · 28 km deep · 61 km away
  51. 1.718 km WSW of Ferndale, California · 16397 days ago · 22 km deep · 42 km away
  52. 1.826 km SW of Ferndale, California · 16397 days ago · 18 km deep · 52 km away
  53. 2.616 km ESE of Pine Hills, California · 16397 days ago · 24 km deep · 37 km away
  54. 3.294 km W of Ferndale, California · 16397 days ago · 18 km deep · 90 km away
  55. 1.836 km WSW of Ferndale, California · 16396 days ago · 25 km deep · 52 km away
  56. 1.711 km E of Pine Hills, California · 16396 days ago · 25 km deep · 32 km away
  57. 2.311 km W of Indianola, California · 16396 days ago · 26 km deep · 20 km away
  58. 1.79 km WSW of Rio Dell, California · 16396 days ago · 23 km deep · 44 km away
  59. 2.641 km SW of Ferndale, CA · 16396 days ago · 26 km deep · 64 km away
  60. 1.835 km SW of Ferndale, California · 16396 days ago · 36 km deep · 59 km away

The first 60 of 147.

Before

  1. 1.628 km SW of Ferndale, California · 16411 days ago · 25 km deep · 52 km away
  2. 2.550 km WNW of Ferndale, California · 16411 days ago · 3 km deep · 44 km away
  3. 1.643 km SW of Ferndale, California · 16411 days ago · 32 km deep · 63 km away
  4. 1.615 km WSW of Ferndale, California · 16411 days ago · 24 km deep · 39 km away
  5. 1.616 km WNW of Junction City, California · 16411 days ago · 18 km deep · 93 km away
  6. 3.593 km WSW of Ferndale, California · 16412 days ago · 5 km deep · 97 km away
  7. 1.633 km SW of Ferndale, California · 16412 days ago · 23 km deep · 55 km away
  8. 2.939 km SW of Ferndale, CA · 16412 days ago · 25 km deep · 62 km away
  9. 2.436 km SW of Ferndale, California · 16412 days ago · 27 km deep · 62 km away
  10. 2.13 km NE of Redway, California · 16414 days ago · 20 km deep · 92 km away
  11. 1.754 km WSW of Ferndale, California · 16414 days ago · 30 km deep · 72 km away
  12. 2.461 km WSW of Ferndale, California · 16414 days ago · 5 km deep · 72 km away
  13. 1.737 km SSW of Ferndale, California · 16414 days ago · 19 km deep · 65 km away
  14. 1.620 km SSW of Ferndale, California · 16414 days ago · 4 km deep · 50 km away
  15. 1.58 km SW of Scotia, California · 16415 days ago · 31 km deep · 50 km away
  16. 3.336 km SW of Ferndale, California · 16415 days ago · 28 km deep · 61 km away
  17. 1.59 km W of Ferndale, California · 16415 days ago · 22 km deep · 30 km away
  18. 2.243 km SW of Ferndale, California · 16416 days ago · 17 km deep · 66 km away
  19. 1.618 km WSW of Scotia, California · 16416 days ago · 28 km deep · 50 km away
  20. 2.517 km WSW of Scotia, California · 16416 days ago · 28 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1068712. Read Tue, Sep 22, 2026, 4:16 PM UTC.