California earthquakes

M1.8 earthquake 10 km WNW of Samoa, California

A magnitude 1.8 earthquake struck 10 km WNW of Samoa, California on Sun, Feb 4, 1979, 4:56 PM PST (00:56 UTC), 22 km (13 mi) below the surface.

A larger quake followed: M2.6 5 km ESE of Pine Hills, 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
1979-02-05 00:56:24 UTC
Depth
21.7 km (13.5 mi), shallow
Epicenter
40.866° N, 124.290° 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 1.3 km horizontally, 0.7 km in depth
Depth from
From location
Station coverage gap
229°, poorly surrounded by stations
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 106 in the 60 days after this one and 89 in the 30 days before it.

After

  1. 1.612 km SW of Ferndale, California · 17396 days ago · 20 km deep · 42 km away
  2. 2.65 km ESE of Pine Hills, California · 17395 days ago · 23 km deep · 24 km away
  3. 2.811 km WNW of Samoa, California · 17395 days ago · 23 km deep · 1 km away
  4. 1.729 km WSW of Ferndale, California · 17394 days ago · 21 km deep · 47 km away
  5. 1.96 km E of Pine Hills, California · 17394 days ago · 23 km deep · 23 km away
  6. 1.84 km ESE of Pine Hills, California · 17394 days ago · 23 km deep · 23 km away
  7. 1.754 km WNW of Samoa, California · 17394 days ago · 20 km deep · 45 km away
  8. 1.736 km WSW of Ferndale, California · 17393 days ago · 22 km deep · 56 km away
  9. 2.24 km W of Big Lagoon, California · 17393 days ago · 29 km deep · 34 km away
  10. 1.737 km SW of Ferndale, California · 17393 days ago · 22 km deep · 65 km away
  11. 1.519 km WNW of Ferndale, California · 17392 days ago · 23 km deep · 27 km away
  12. 1.620 km WNW of Fields Landing, California · 17392 days ago · 22 km deep · 16 km away
  13. 2.277 km WSW of Ferndale, California · 17392 days ago · 4 km deep · 90 km away
  14. 1.816 km ENE of Burnt Ranch, California · 17392 days ago · 15 km deep · 84 km away
  15. 2.084 km W of Trinidad, California · 17391 days ago · 5 km deep · 75 km away
  16. 1.730 km SW of Ferndale, California · 17391 days ago · 28 km deep · 56 km away
  17. 2.497 km W of Trinidad, California · 17390 days ago · 5 km deep · 89 km away
  18. 1.812 km WNW of Samoa, California · 17390 days ago · 23 km deep · 2 km away
  19. 2.912 km WNW of Samoa, California · 17388 days ago · 24 km deep · 2 km away
  20. 2.327 km WNW of Shelter Cove, California · 17388 days ago · 24 km deep · 86 km away
  21. 2.59 km NE of Myers Flat, California · 17387 days ago · 20 km deep · 73 km away
  22. 2.619 km SW of Scotia, California · 17387 days ago · 30 km deep · 54 km away
  23. 2.632 km WSW of Ferndale, California · 17385 days ago · 26 km deep · 55 km away
  24. 2.791 km WNW of Indianola, California · 17385 days ago · 6 km deep · 84 km away
  25. 2.117 km SSW of Ferndale, California · 17383 days ago · 28 km deep · 49 km away
  26. 2.837 km SW of Ferndale, California · 17382 days ago · 23 km deep · 65 km away
  27. 1.927 km SW of Scotia, California · 17380 days ago · 18 km deep · 63 km away
  28. 2.332 km SW of Scotia, California · 17380 days ago · 22 km deep · 65 km away
  29. 2.043 km SW of Ferndale, California · 17380 days ago · 20 km deep · 68 km away
  30. 1.710 km WSW of Scotia, California · 17378 days ago · 18 km deep · 48 km away
  31. 1.74 km N of Fortuna, California · 17376 days ago · 20 km deep · 28 km away
  32. 2.736 km SW of Ferndale, California · 17374 days ago · 22 km deep · 65 km away
  33. 1.718 km SSW of Ferndale, California · 17373 days ago · 27 km deep · 50 km away
  34. 2.01 km SE of Indianola, California · 17372 days ago · 9 km deep · 22 km away
  35. 1.57 km NE of Mad River, California · 17372 days ago · 34 km deep · 81 km away
  36. 2.335 km SSW of Ferndale, California · 17371 days ago · 21 km deep · 65 km away
  37. 1.85 km NW of Weott, California · 17370 days ago · 16 km deep · 63 km away
  38. 1.736 km SW of Ferndale, California · 17369 days ago · 25 km deep · 65 km away
  39. 2.08 km SSW of Ferndale, California · 17369 days ago · 18 km deep · 40 km away
  40. 2.936 km SSW of Ferndale, California · 17369 days ago · 22 km deep · 65 km away
  41. 3.435 km SSW of Ferndale, California · 17368 days ago · 22 km deep · 65 km away
  42. 1.60 km ESE of Burnt Ranch, California · 17368 days ago · 21 km deep · 70 km away
  43. 1.74 km WSW of Burnt Ranch, California · 17368 days ago · 30 km deep · 65 km away
  44. 1.89 km S of Ferndale, California · 17368 days ago · 20 km deep · 42 km away
  45. 3.036 km SW of Ferndale, California · 17367 days ago · 23 km deep · 65 km away
  46. 2.388 km W of Trinidad, California · 17367 days ago · 5 km deep · 79 km away
  47. 3.528 km WSW of Ferndale, California · 17366 days ago · 23 km deep · 51 km away
  48. 1.832 km WSW of Ferndale, California · 17366 days ago · 22 km deep · 54 km away
  49. 1.736 km SW of Ferndale, California · 17365 days ago · 22 km deep · 65 km away
  50. 2.458 km W of Trinidad, California · 17365 days ago · 3 km deep · 52 km away
  51. 1.725 km SSW of Ferndale, California · 17364 days ago · 13 km deep · 56 km away
  52. 3.123 km SW of Ferndale, California · 17364 days ago · 23 km deep · 52 km away
  53. 2.730 km SW of Ferndale, California · 17364 days ago · 24 km deep · 58 km away
  54. 1.934 km WSW of Ferndale, California · 17364 days ago · 20 km deep · 51 km away
  55. 1.638 km W of Ferndale, California · 17362 days ago · 18 km deep · 53 km away
  56. 1.841 km SW of Ferndale, California · 17362 days ago · 16 km deep · 68 km away
  57. 1.66 km W of Mad River, California · 17362 days ago · 23 km deep · 75 km away
  58. 1.812 km ENE of Willow Creek, California · 17362 days ago · 20 km deep · 68 km away
  59. 1.921 km SW of Ferndale, California · 17359 days ago · 19 km deep · 49 km away
  60. 2.432 km SW of Scotia, California · 17358 days ago · 21 km deep · 65 km away

The first 60 of 106.

Before

  1. 1.56 km NE of Myers Flat, California · 17397 days ago · 2 km deep · 73 km away
  2. 2.912 km WNW of Samoa, California · 17397 days ago · 23 km deep · 2 km away
  3. 2.812 km WNW of Samoa, California · 17398 days ago · 23 km deep · 2 km away
  4. 2.412 km WNW of Samoa, California · 17398 days ago · 23 km deep · 2 km away
  5. 1.515 km WNW of Samoa, California · 17398 days ago · 25 km deep · 6 km away
  6. 1.621 km WNW of Samoa, California · 17398 days ago · 23 km deep · 12 km away
  7. 2.1near the coast of Northern California · 17398 days ago · 21 km deep · 47 km away
  8. 1.811 km WNW of Samoa, California · 17398 days ago · 19 km deep · 1 km away
  9. 1.518 km W of Samoa, California · 17398 days ago · 23 km deep · 10 km away
  10. 1.713 km WNW of Samoa, California · 17398 days ago · 24 km deep · 4 km away
  11. 2.215 km WNW of Samoa, California · 17398 days ago · 21 km deep · 5 km away
  12. 1.711 km WNW of Samoa, California · 17398 days ago · 22 km deep · 1 km away
  13. 1.848 km W of Ferndale, California · 17398 days ago · 21 km deep · 55 km away
  14. 1.513 km WNW of Samoa, California · 17398 days ago · 26 km deep · 4 km away
  15. 1.910 km WNW of Samoa, California · 17398 days ago · 22 km deep · 3 km away
  16. 2.4near the coast of Northern California · 17398 days ago · 25 km deep · 8 km away
  17. 2.22 km W of Samoa, California · 17398 days ago · 23 km deep · 9 km away
  18. 2.3near the coast of Northern California · 17398 days ago · 21 km deep · 1 km away
  19. 2.33 km W of Samoa, California · 17398 days ago · 23 km deep · 7 km away
  20. 2.712 km WNW of Samoa, California · 17398 days ago · 23 km deep · 2 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1044530. Read Tue, Sep 22, 2026, 3:48 PM UTC.