California earthquakes

M1.6 earthquake 39 km SW of Ferndale, California

A magnitude 1.6 earthquake struck 39 km SW of Ferndale, California on Tue, Feb 24, 1981, 8:20 PM PST (04:20 UTC), 24 km (15 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1981-02-25 04:20:04 UTC
Depth
23.7 km (14.8 mi), shallow
Epicenter
40.331° N, 124.610° 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, 7.8 km in depth
Depth from
From location
Station coverage gap
271°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 180 in the 60 days after this one and 60 in the 30 days before it.

After

  1. 2.531 km SW of Ferndale, California · 16655 days ago · 39 km deep · 9 km away
  2. 2.343 km SW of Ferndale, California · 16655 days ago · 12 km deep · 8 km away
  3. 2.219 km SW of Scotia, California · 16654 days ago · 16 km deep · 28 km away
  4. 3.230 km W of Indianola, California · 16652 days ago · 50 km deep · 45 km away
  5. 2.617 km W of Big Lagoon, California · 16652 days ago · 29 km deep · 95 km away
  6. 3.023 km WNW of Trinidad, California · 16652 days ago · 18 km deep · 87 km away
  7. 2.363 km WSW of Ferndale, California · 16651 days ago · 11 km deep · 33 km away
  8. 2.630 km SW of Scotia, California · 16650 days ago · 23 km deep · 24 km away
  9. 3.6118 km W of Ferndale, California · 16650 days ago · 5 km deep · 92 km away
  10. 2.540 km W of Big Lagoon, California · 16650 days ago · 5 km deep · 94 km away
  11. 1.951 km W of Trinidad, California · 16648 days ago · 2 km deep · 82 km away
  12. 2.11 km NE of Scotia, California · 16648 days ago · 22 km deep · 48 km away
  13. 1.921 km SW of Ferndale, California · 16648 days ago · 21 km deep · 20 km away
  14. 2.18 km E of Scotia, California · 16647 days ago · 22 km deep · 54 km away
  15. 2.240 km WNW of Shelter Cove, California · 16646 days ago · -1 km deep · 17 km away
  16. 2.712 km WNW of Ferndale, California · 16646 days ago · 12 km deep · 39 km away
  17. 2.06 km NW of Ferndale, California · 16646 days ago · 14 km deep · 41 km away
  18. 2.32 km WNW of Weott, California · 16646 days ago · -1 km deep · 56 km away
  19. 3.534 km SW of Ferndale, California · 16644 days ago · 26 km deep · 7 km away
  20. 1.65 km SSW of Trinidad, California · 16644 days ago · 11 km deep · 84 km away
  21. 3.536 km SW of Ferndale, California · 16643 days ago · 26 km deep · 6 km away
  22. 3.337 km SW of Ferndale, California · 16643 days ago · 27 km deep · 5 km away
  23. 3.136 km SW of Ferndale, California · 16643 days ago · 25 km deep · 5 km away
  24. 2.110 km SW of Ferndale, California · 16643 days ago · 17 km deep · 30 km away
  25. 2.433 km SW of Ferndale, California · 16642 days ago · 38 km deep · 10 km away
  26. 1.81 km NW of McKinleyville, California · 16642 days ago · 4 km deep · 81 km away
  27. 2.6117 km W of Ferndale, California · 16642 days ago · 4 km deep · 90 km away
  28. 2.06 km NW of Manila, California · 16641 days ago · 12 km deep · 70 km away
  29. 2.1off the coast of Northern California · 16640 days ago · 3 km deep · 47 km away
  30. 2.444 km SW of Ferndale, California · 16639 days ago · 20 km deep · 4 km away
  31. 3.036 km SW of Ferndale, California · 16639 days ago · 27 km deep · 5 km away
  32. 1.735 km SW of Ferndale, California · 16639 days ago · 11 km deep · 6 km away
  33. 2.679 km WSW of Ferndale, California · 16639 days ago · 7 km deep · 47 km away
  34. 3.738 km SW of Ferndale, California · 16639 days ago · 26 km deep · 2 km away
  35. 4.7130 km W of Ferndale, California · 16637 days ago · 7 km deep · 100 km away
  36. 2.167 km W of Ferndale, California · 16637 days ago · 5 km deep · 41 km away
  37. 2.3115 km W of Ferndale, California · 16637 days ago · 4 km deep · 90 km away
  38. 3.036 km SW of Ferndale, California · 16637 days ago · 26 km deep · 6 km away
  39. 3.238 km SW of Ferndale, California · 16637 days ago · 25 km deep · 2 km away
  40. 3.0111 km WSW of Ferndale, California · 16636 days ago · 4 km deep · 80 km away
  41. 2.03 km NW of Myers Flat, California · 16636 days ago · 28 km deep · 60 km away
  42. 2.838 km SW of Ferndale, California · 16636 days ago · 25 km deep · 1 km away
  43. 1.715 km ENE of Blue Lake, California · 16634 days ago · 22 km deep · 95 km away
  44. 3.281 km W of Indianola, California · 16634 days ago · 19 km deep · 71 km away
  45. 2.243 km SW of Ferndale, California · 16633 days ago · 24 km deep · 4 km away
  46. 1.92 km N of Humboldt Hill, California · 16632 days ago · 19 km deep · 59 km away
  47. 2.324 km WNW of Samoa, California · 16632 days ago · 4 km deep · 63 km away
  48. 2.417 km WNW of Ferndale, California · 16632 days ago · 26 km deep · 33 km away
  49. 4.015 km W of Ferndale, California · 16631 days ago · 26 km deep · 33 km away
  50. 2.639 km SW of Ferndale, California · 16631 days ago · 25 km deep · 0 km away
  51. 1.511 km W of Mad River, California · 16631 days ago · 0 km deep · 83 km away
  52. 2.818 km WSW of Ferndale, California · 16630 days ago · 17 km deep · 22 km away
  53. 1.723 km W of Ferndale, California · 16628 days ago · 19 km deep · 27 km away
  54. 1.725 km ENE of Hydesville, California · 16628 days ago · 7 km deep · 75 km away
  55. 1.913 km W of Trinidad, California · 16628 days ago · 14 km deep · 86 km away
  56. 1.637 km SW of Ferndale, California · 16627 days ago · 21 km deep · 3 km away
  57. 3.139 km SW of Ferndale, California · 16627 days ago · 21 km deep · 3 km away
  58. 1.93 km E of Mad River, California · 16626 days ago · -1 km deep · 97 km away
  59. 1.926 km SSW of Ferndale, California · 16626 days ago · 17 km deep · 17 km away
  60. 2.694 km W of Ferndale, California · 16626 days ago · 5 km deep · 64 km away

The first 60 of 180.

Before

  1. 2.2Northern California · 16656 days ago · 26 km deep · 90 km away
  2. 2.161 km WNW of Indianola, California · 16657 days ago · 11 km deep · 62 km away
  3. 2.144 km W of Trinidad, California · 16658 days ago · 4 km deep · 73 km away
  4. 2.45 km WNW of Samoa, California · 16658 days ago · 8 km deep · 63 km away
  5. 2.114 km WSW of Mad River, California · 16658 days ago · 27 km deep · 80 km away
  6. 2.138 km SW of Ferndale, California · 16660 days ago · 22 km deep · 6 km away
  7. 1.725 km SW of Scotia, California · 16660 days ago · 13 km deep · 24 km away
  8. 2.454 km WNW of Ferndale, California · 16661 days ago · 3 km deep · 46 km away
  9. 3.374 km W of Indianola, California · 16661 days ago · 3 km deep · 67 km away
  10. 2.326 km SSW of Ferndale, California · 16662 days ago · 19 km deep · 17 km away
  11. 2.120 km WSW of Weott, California · 16662 days ago · 7 km deep · 41 km away
  12. 1.84 km NNE of Hydesville, California · 16662 days ago · 14 km deep · 53 km away
  13. 2.325 km SSW of Ferndale, California · 16662 days ago · 19 km deep · 17 km away
  14. 2.568 km W of Indianola, California · 16663 days ago · 20 km deep · 61 km away
  15. 2.927 km SW of Ferndale, California · 16663 days ago · 25 km deep · 13 km away
  16. 2.840 km SW of Ferndale, California · 16663 days ago · 23 km deep · 1 km away
  17. 2.919 km W of Hyampom, California · 16665 days ago · 27 km deep · 84 km away
  18. 2.113 km WSW of Trinidad, California · 16665 days ago · 9 km deep · 79 km away
  19. 2.232 km WNW of Samoa, California · 16666 days ago · 4 km deep · 65 km away
  20. 2.637 km SW of Ferndale, California · 16667 days ago · 22 km deep · 4 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1060738. Read Fri, Oct 2, 2026, 2:45 PM UTC.