California earthquakes

M2.2 earthquake 15 km S of Hayfork, California

A magnitude 2.2 earthquake struck 15 km S of Hayfork, California on Sat, Nov 4, 1978, 3:08 AM PST (11:08 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M3.7 11 km NE of Blue Lake, California. This one was a foreshock.

Hayfork 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
2.2 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1978-11-04 11:08:31 UTC
Depth
20.6 km (12.8 mi), shallow
Epicenter
40.417° N, 123.181° 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 2.0 km horizontally, 4.7 km in depth
Depth from
From location
Station coverage gap
276°, 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: 56 in the 60 days after this one and 30 in the 30 days before it.

After

  1. 1.78 km NE of Trinity Village, California · 17498 days ago · 22 km deep · 61 km away
  2. 1.816 km WSW of Scotia, California · 17498 days ago · 20 km deep · 93 km away
  3. 2.04 km N of Redcrest, California · 17497 days ago · 21 km deep · 65 km away
  4. 1.69 km S of Ferndale, California · 17496 days ago · 18 km deep · 92 km away
  5. 1.616 km WSW of Scotia, California · 17496 days ago · 19 km deep · 92 km away
  6. 1.54 km WSW of Weott, California · 17495 days ago · 25 km deep · 68 km away
  7. 1.79 km S of Burnt Ranch, California · 17495 days ago · 20 km deep · 41 km away
  8. 1.99 km SW of Scotia, California · 17495 days ago · 23 km deep · 83 km away
  9. 1.62 km WSW of McKinleyville, California · 17494 days ago · 21 km deep · 99 km away
  10. 1.78 km W of Rio Dell, California · 17494 days ago · 20 km deep · 87 km away
  11. 1.817 km NNE of Willow Creek, California · 17490 days ago · 21 km deep · 81 km away
  12. 1.65 km SW of Scotia, California · 17489 days ago · 26 km deep · 82 km away
  13. 1.813 km NE of Phillipsville, California · 17489 days ago · 25 km deep · 44 km away
  14. 1.616 km WSW of Scotia, California · 17488 days ago · 24 km deep · 93 km away
  15. 1.58 km NW of Mad River, California · 17488 days ago · 27 km deep · 35 km away
  16. 2.117 km SW of Scotia, California · 17487 days ago · 27 km deep · 90 km away
  17. 3.011 km SSW of Scotia, California · 17487 days ago · 26 km deep · 81 km away
  18. 1.72 km SSE of Trinity Village, California · 17486 days ago · 22 km deep · 56 km away
  19. 1.76 km SW of Mad River, California · 17484 days ago · 22 km deep · 32 km away
  20. 2.03 km SSW of Benbow, California · 17480 days ago · 0 km deep · 68 km away
  21. 1.62 km SE of Indianola, California · 17480 days ago · 22 km deep · 91 km away
  22. 1.62 km NNW of Arcata, California · 17478 days ago · 21 km deep · 93 km away
  23. 2.024 km SW of Scotia, California · 17476 days ago · 8 km deep · 93 km away
  24. 2.47 km W of Rio Dell, California · 17474 days ago · 19 km deep · 87 km away
  25. 1.83 km N of Redway, California · 17473 days ago · 18 km deep · 63 km away
  26. 1.88 km ENE of Willow Creek, California · 17473 days ago · 22 km deep · 67 km away
  27. 1.510 km S of Ferndale, California · 17473 days ago · 18 km deep · 93 km away
  28. 1.62 km W of Rio Dell, California · 17472 days ago · 18 km deep · 81 km away
  29. 2.610 km NNE of Brooktrails, California · 17472 days ago · 8 km deep · 100 km away
  30. 1.84 km ESE of Leggett, California · 17471 days ago · 3 km deep · 76 km away
  31. 1.817 km NE of Miranda, California · 17471 days ago · 24 km deep · 43 km away
  32. 1.85 km NE of Redcrest, California · 17469 days ago · 0 km deep · 60 km away
  33. 2.12 km W of Rio Dell, California · 17469 days ago · 19 km deep · 81 km away
  34. 2.611 km ESE of Hyampom, California · 17469 days ago · 22 km deep · 23 km away
  35. 2.211 km SSW of Ruth, California · 17468 days ago · 30 km deep · 32 km away
  36. 1.76 km NE of Myers Flat, California · 17466 days ago · 1 km deep · 55 km away
  37. 1.611 km NNE of Junction City, California · 17463 days ago · -1 km deep · 49 km away
  38. 2.1near the coast of Northern California · 17462 days ago · 13 km deep · 78 km away
  39. 2.511 km NE of Hydesville, California · 17459 days ago · 6 km deep · 72 km away
  40. 1.514 km SW of Scotia, California · 17457 days ago · 11 km deep · 87 km away
  41. 3.711 km NE of Blue Lake, California · 17456 days ago · 22 km deep · 86 km away
  42. 1.62 km N of Loleta, California · 17456 days ago · 13 km deep · 93 km away
  43. 2.89 km S of Ferndale, California · 17453 days ago · 19 km deep · 93 km away
  44. 1.6Northern California · 17452 days ago · 18 km deep · 62 km away
  45. 2.03 km N of Redway, California · 17452 days ago · 17 km deep · 63 km away
  46. 1.54 km ESE of McKinleyville, California · 17452 days ago · 22 km deep · 93 km away
  47. 1.99 km SSW of Ferndale, California · 17451 days ago · 19 km deep · 94 km away
  48. 2.722 km WSW of Weott, California · 17450 days ago · 9 km deep · 85 km away
  49. 1.617 km NW of Junction City, California · 17450 days ago · 17 km deep · 47 km away
  50. 1.510 km S of Ferndale, California · 17446 days ago · 20 km deep · 94 km away
  51. 1.710 km S of Ferndale, California · 17445 days ago · 19 km deep · 93 km away
  52. 2.724 km NNE of Trinity Village, California · 17441 days ago · 39 km deep · 75 km away
  53. 1.96 km SE of Indianola, California · 17441 days ago · 25 km deep · 82 km away
  54. 1.73 km WSW of Loleta, California · 17440 days ago · 18 km deep · 94 km away
  55. 1.811 km E of Pine Hills, California · 17439 days ago · 22 km deep · 79 km away
  56. 1.53 km S of Ferndale, California · 17439 days ago · 9 km deep · 93 km away

Before

  1. 1.614 km WSW of Scotia, California · 17499 days ago · 28 km deep · 91 km away
  2. 2.63 km WNW of Ferndale, California · 17503 days ago · 21 km deep · 97 km away
  3. 1.624 km SW of Scotia, California · 17503 days ago · 26 km deep · 97 km away
  4. 2.117 km WSW of Scotia, California · 17504 days ago · 19 km deep · 94 km away
  5. 1.99 km NE of Mad River, California · 17504 days ago · 38 km deep · 23 km away
  6. 1.726 km SW of Scotia, California · 17507 days ago · 7 km deep · 96 km away
  7. 2.512 km N of Brooktrails, California · 17509 days ago · -1 km deep · 97 km away
  8. 1.68 km S of Ferndale, California · 17509 days ago · 6 km deep · 92 km away
  9. 1.727 km SW of Scotia, California · 17510 days ago · 7 km deep · 97 km away
  10. 1.614 km WSW of Scotia, California · 17511 days ago · 20 km deep · 92 km away
  11. 1.6Northern California · 17512 days ago · 17 km deep · 62 km away
  12. 2.85 km E of Redcrest, California · 17512 days ago · 21 km deep · 60 km away
  13. 2.112 km S of Ruth, California · 17513 days ago · 2 km deep · 31 km away
  14. 1.69 km S of Ferndale, California · 17518 days ago · 18 km deep · 92 km away
  15. 2.19 km NNE of Redcrest, California · 17518 days ago · 22 km deep · 63 km away
  16. 1.515 km WSW of Burnt Ranch, California · 17519 days ago · 33 km deep · 54 km away
  17. 1.923 km SSW of Scotia, California · 17519 days ago · 2 km deep · 88 km away
  18. 1.6Northern California · 17519 days ago · 32 km deep · 26 km away
  19. 1.612 km S of Ferndale, California · 17520 days ago · 23 km deep · 92 km away
  20. 2.712 km E of Hayfork, California · 17521 days ago · 4 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1043188. Read Thu, Oct 1, 2026, 6:33 PM UTC.