California earthquakes

M2.1 earthquake 14 km WSW of Mad River, California

A magnitude 2.1 earthquake struck 14 km WSW of Mad River, California on Sun, Feb 22, 1981, 4:47 AM PST (12:47 UTC), 27 km (17 mi) below the surface.

A larger quake followed: M4.3 38 km SW of Ferndale, California. This one was a foreshock.

Miranda 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
2.1 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1981-02-22 12:47:54 UTC
Depth
26.8 km (16.6 mi), shallow
Epicenter
40.416° N, 123.678° 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 0.8 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
172°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 163 in the 60 days after this one and 50 in the 30 days before it.

After

  1. 2.45 km WNW of Samoa, California · 16658 days ago · 8 km deep · 67 km away
  2. 2.326 km W of Paskenta, California · 16656 days ago · -1 km deep · 91 km away
  3. 2.2Northern California · 16656 days ago · 26 km deep · 21 km away
  4. 1.639 km SW of Ferndale, California · 16656 days ago · 24 km deep · 80 km away
  5. 2.531 km SW of Ferndale, California · 16656 days ago · 39 km deep · 71 km away
  6. 1.54 km N of Laytonville, California · 16656 days ago · 11 km deep · 78 km away
  7. 2.343 km SW of Ferndale, California · 16655 days ago · 12 km deep · 78 km away
  8. 2.219 km SW of Scotia, California · 16654 days ago · 16 km deep · 51 km away
  9. 3.230 km W of Indianola, California · 16653 days ago · 50 km deep · 85 km away
  10. 2.617 km W of Big Lagoon, California · 16652 days ago · 29 km deep · 100 km away
  11. 3.023 km WNW of Trinidad, California · 16652 days ago · 18 km deep · 99 km away
  12. 2.06 km NNW of Big Lagoon, California · 16651 days ago · 11 km deep · 98 km away
  13. 2.630 km SW of Scotia, California · 16651 days ago · 23 km deep · 58 km away
  14. 2.11 km NE of Scotia, California · 16649 days ago · 22 km deep · 36 km away
  15. 1.921 km SW of Ferndale, California · 16649 days ago · 21 km deep · 62 km away
  16. 2.18 km E of Scotia, California · 16648 days ago · 22 km deep · 28 km away
  17. 2.240 km WNW of Shelter Cove, California · 16647 days ago · -1 km deep · 72 km away
  18. 2.712 km WNW of Ferndale, California · 16647 days ago · 12 km deep · 65 km away
  19. 2.06 km NW of Ferndale, California · 16647 days ago · 14 km deep · 58 km away
  20. 2.32 km WNW of Weott, California · 16647 days ago · -1 km deep · 25 km away
  21. 3.534 km SW of Ferndale, California · 16645 days ago · 26 km deep · 78 km away
  22. 2.08 km WNW of Laytonville, California · 16645 days ago · 5 km deep · 77 km away
  23. 1.65 km SSW of Trinidad, California · 16644 days ago · 11 km deep · 79 km away
  24. 3.536 km SW of Ferndale, California · 16644 days ago · 26 km deep · 74 km away
  25. 3.337 km SW of Ferndale, California · 16644 days ago · 27 km deep · 75 km away
  26. 3.136 km SW of Ferndale, California · 16644 days ago · 25 km deep · 75 km away
  27. 2.110 km SW of Ferndale, California · 16643 days ago · 17 km deep · 59 km away
  28. 2.433 km SW of Ferndale, California · 16643 days ago · 38 km deep · 70 km away
  29. 1.81 km NW of McKinleyville, California · 16643 days ago · 4 km deep · 71 km away
  30. 2.06 km NW of Manila, California · 16642 days ago · 12 km deep · 70 km away
  31. 2.444 km SW of Ferndale, California · 16640 days ago · 20 km deep · 82 km away
  32. 3.036 km SW of Ferndale, California · 16640 days ago · 27 km deep · 75 km away
  33. 1.735 km SW of Ferndale, California · 16640 days ago · 11 km deep · 74 km away
  34. 3.738 km SW of Ferndale, California · 16640 days ago · 26 km deep · 78 km away
  35. 3.036 km SW of Ferndale, California · 16638 days ago · 26 km deep · 74 km away
  36. 3.238 km SW of Ferndale, California · 16638 days ago · 25 km deep · 78 km away
  37. 2.03 km NW of Myers Flat, California · 16637 days ago · 28 km deep · 24 km away
  38. 1.75 km SSW of Laytonville, California · 16637 days ago · -1 km deep · 88 km away
  39. 2.838 km SW of Ferndale, California · 16637 days ago · 25 km deep · 78 km away
  40. 1.57 km NNW of Willow Creek, California · 16636 days ago · 28 km deep · 65 km away
  41. 1.98 km SW of Laytonville, California · 16635 days ago · 8 km deep · 86 km away
  42. 1.715 km ENE of Blue Lake, California · 16635 days ago · 22 km deep · 59 km away
  43. 2.243 km SW of Ferndale, California · 16634 days ago · 24 km deep · 83 km away
  44. 1.92 km N of Humboldt Hill, California · 16633 days ago · 19 km deep · 57 km away
  45. 2.324 km WNW of Samoa, California · 16633 days ago · 4 km deep · 85 km away
  46. 2.417 km WNW of Ferndale, California · 16633 days ago · 26 km deep · 70 km away
  47. 4.015 km W of Ferndale, California · 16632 days ago · 26 km deep · 68 km away
  48. 2.639 km SW of Ferndale, California · 16632 days ago · 25 km deep · 79 km away
  49. 1.511 km W of Mad River, California · 16632 days ago · 0 km deep · 4 km away
  50. 2.818 km WSW of Ferndale, California · 16631 days ago · 17 km deep · 67 km away
  51. 1.515 km N of Willow Creek, California · 16629 days ago · 29 km deep · 74 km away
  52. 1.723 km W of Ferndale, California · 16629 days ago · 19 km deep · 75 km away
  53. 1.725 km ENE of Hydesville, California · 16629 days ago · 7 km deep · 25 km away
  54. 1.913 km W of Trinidad, California · 16628 days ago · 14 km deep · 90 km away
  55. 1.637 km SW of Ferndale, California · 16628 days ago · 21 km deep · 77 km away
  56. 2.417 km W of Paskenta, California · 16628 days ago · -1 km deep · 99 km away
  57. 3.139 km SW of Ferndale, California · 16627 days ago · 21 km deep · 77 km away
  58. 1.93 km E of Mad River, California · 16627 days ago · -1 km deep · 18 km away
  59. 1.926 km SSW of Ferndale, California · 16627 days ago · 17 km deep · 63 km away
  60. 2.142 km SW of Ferndale, California · 16625 days ago · 17 km deep · 82 km away

The first 60 of 163.

Before

  1. 2.138 km SW of Ferndale, California · 16661 days ago · 22 km deep · 75 km away
  2. 1.725 km SW of Scotia, California · 16661 days ago · 13 km deep · 56 km away
  3. 2.326 km SSW of Ferndale, California · 16662 days ago · 19 km deep · 63 km away
  4. 2.120 km WSW of Weott, California · 16662 days ago · 7 km deep · 43 km away
  5. 1.84 km NNE of Hydesville, California · 16663 days ago · 14 km deep · 39 km away
  6. 2.325 km SSW of Ferndale, California · 16663 days ago · 19 km deep · 62 km away
  7. 2.927 km SW of Ferndale, California · 16664 days ago · 25 km deep · 69 km away
  8. 2.840 km SW of Ferndale, California · 16664 days ago · 23 km deep · 81 km away
  9. 2.310 km SSE of Laytonville, California · 16665 days ago · 4 km deep · 93 km away
  10. 2.919 km W of Hyampom, California · 16666 days ago · 27 km deep · 20 km away
  11. 2.113 km WSW of Trinidad, California · 16666 days ago · 9 km deep · 82 km away
  12. 2.232 km WNW of Samoa, California · 16667 days ago · 4 km deep · 93 km away
  13. 2.313 km SE of Hayfork, California · 16667 days ago · 9 km deep · 51 km away
  14. 2.637 km SW of Ferndale, California · 16668 days ago · 22 km deep · 76 km away
  15. 2.232 km WSW of Ferndale, California · 16668 days ago · 24 km deep · 77 km away
  16. 2.232 km WNW of Samoa, California · 16668 days ago · 4 km deep · 93 km away
  17. 1.920 km NE of Redcrest, California · 16672 days ago · 8 km deep · 18 km away
  18. 2.941 km SW of Ferndale, California · 16672 days ago · 25 km deep · 81 km away
  19. 2.549 km SW of Ferndale, California · 16674 days ago · 20 km deep · 89 km away
  20. 2.013 km NE of Fieldbrook, California · 16674 days ago · 5 km deep · 72 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1060645. Read Sat, Oct 3, 2026, 9:27 AM UTC.