California earthquakes

M2.7 earthquake 15 km NNW of Hayfork, California

A magnitude 2.7 earthquake struck 15 km NNW of Hayfork, California on Sat, Jul 16, 1983, 7:22 PM PDT (02:22 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M3.1 4 km NE of Miranda, 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
2.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1983-07-17 02:22:33 UTC
Depth
21.4 km (13.3 mi), shallow
Epicenter
40.677° N, 123.266° 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 0.5 km horizontally, 2.4 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
79°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 91 in the 60 days after this one and 39 in the 30 days before it.

After

  1. 2.04 km SE of Benbow, California · 15784 days ago · 15 km deep · 82 km away
  2. 1.75 km SE of Benbow, California · 15784 days ago · 15 km deep · 82 km away
  3. 1.715 km WSW of Ferndale, California · 15784 days ago · 22 km deep · 100 km away
  4. 1.617 km SSW of Ferndale, California · 15784 days ago · 24 km deep · 97 km away
  5. 2.34 km SE of Benbow, California · 15782 days ago · 15 km deep · 81 km away
  6. 1.73 km SE of Benbow, California · 15782 days ago · 15 km deep · 81 km away
  7. 2.515 km ENE of Fieldbrook, California · 15782 days ago · 5 km deep · 64 km away
  8. 2.24 km SE of Blue Lake, California · 15781 days ago · 62 km deep · 61 km away
  9. 3.016 km WSW of Ferndale, California · 15781 days ago · 22 km deep · 100 km away
  10. 1.56 km SSW of Ferndale, California · 15780 days ago · 24 km deep · 88 km away
  11. 1.621 km NE of Hydesville, California · 15779 days ago · 21 km deep · 53 km away
  12. 1.76 km E of Pine Hills, California · 15779 days ago · 24 km deep · 68 km away
  13. 1.812 km WSW of Willow Creek, California · 15777 days ago · 8 km deep · 50 km away
  14. 2.517 km SW of Willow Creek, California · 15777 days ago · 25 km deep · 47 km away
  15. 2.010 km ESE of Leggett, California · 15774 days ago · 5 km deep · 100 km away
  16. 2.08 km ESE of Leggett, California · 15774 days ago · 2 km deep · 100 km away
  17. 2.015 km SW of Scotia, California · 15774 days ago · 34 km deep · 87 km away
  18. 2.617 km WSW of Trinidad, California · 15772 days ago · 18 km deep · 98 km away
  19. 1.717 km SW of Ferndale, California · 15772 days ago · 26 km deep · 99 km away
  20. 1.512 km SW of Scotia, California · 15770 days ago · 7 km deep · 86 km away
  21. 1.712 km NNE of Redcrest, California · 15769 days ago · 18 km deep · 56 km away
  22. 2.318 km WSW of Weott, California · 15769 days ago · 13 km deep · 87 km away
  23. 2.715 km W of Round Mountain, California · 15769 days ago · 11 km deep · 97 km away
  24. 1.613 km SW of Ferndale, California · 15768 days ago · 19 km deep · 96 km away
  25. 1.915 km SW of Ferndale, California · 15765 days ago · 19 km deep · 98 km away
  26. 2.03 km SE of Benbow, California · 15764 days ago · 15 km deep · 82 km away
  27. 1.917 km E of Burnt Ranch, California · 15763 days ago · 13 km deep · 18 km away
  28. 1.811 km W of Hyampom, California · 15761 days ago · 32 km deep · 28 km away
  29. 1.62 km NW of Fields Landing, California · 15761 days ago · 19 km deep · 82 km away
  30. 1.620 km SW of Scotia, California · 15760 days ago · 10 km deep · 91 km away
  31. 1.56 km WSW of Scotia, California · 15760 days ago · 9 km deep · 80 km away
  32. 1.613 km SSW of Scotia, California · 15759 days ago · 30 km deep · 81 km away
  33. 2.06 km ENE of Rio Dell, California · 15757 days ago · 18 km deep · 67 km away
  34. 1.66 km E of Rio Dell, California · 15757 days ago · 19 km deep · 67 km away
  35. 1.66 km ENE of Rio Dell, California · 15756 days ago · 19 km deep · 67 km away
  36. 1.812 km WNW of Fields Landing, California · 15755 days ago · 24 km deep · 92 km away
  37. 1.76 km E of Rio Dell, California · 15754 days ago · 20 km deep · 67 km away
  38. 2.34 km ENE of Blue Lake, California · 15754 days ago · 3 km deep · 61 km away
  39. 1.55 km E of Rio Dell, California · 15754 days ago · 22 km deep · 68 km away
  40. 1.99 km SW of Hyampom, California · 15753 days ago · 24 km deep · 26 km away
  41. 2.922 km SSW of Ferndale, California · 15751 days ago · 20 km deep · 97 km away
  42. 2.310 km NW of Ruth, California · 15751 days ago · 21 km deep · 40 km away
  43. 1.718 km ESE of Indianola, California · 15750 days ago · 24 km deep · 54 km away
  44. 1.65 km ESE of Hydesville, California · 15746 days ago · 4 km deep · 68 km away
  45. 1.917 km ENE of Hydesville, California · 15746 days ago · 20 km deep · 55 km away
  46. 1.727 km SW of Scotia, California · 15746 days ago · 11 km deep · 99 km away
  47. 2.17 km WSW of Scotia, California · 15746 days ago · 27 km deep · 81 km away
  48. 1.915 km SSW of Ferndale, California · 15746 days ago · 23 km deep · 92 km away
  49. 2.115 km SSW of Scotia, California · 15746 days ago · 30 km deep · 84 km away
  50. 3.016 km SE of Ruth, California · 15746 days ago · 36 km deep · 59 km away
  51. 1.95 km NNW of Redway, California · 15746 days ago · 20 km deep · 75 km away
  52. 1.911 km WSW of Scotia, California · 15746 days ago · 27 km deep · 85 km away
  53. 1.713 km SSW of Scotia, California · 15746 days ago · 33 km deep · 84 km away
  54. 1.929 km SW of Scotia, California · 15746 days ago · 16 km deep · 100 km away
  55. 2.015 km SSW of Scotia, California · 15746 days ago · 34 km deep · 83 km away
  56. 3.012 km SW of Scotia, California · 15746 days ago · 27 km deep · 85 km away
  57. 2.116 km WSW of Scotia, California · 15746 days ago · 29 km deep · 90 km away
  58. 1.68 km SSE of Ferndale, California · 15746 days ago · 19 km deep · 82 km away
  59. 2.816 km WSW of Scotia, California · 15746 days ago · 29 km deep · 90 km away
  60. 2.017 km S of Ferndale, California · 15746 days ago · 28 km deep · 91 km away

The first 60 of 91.

Before

  1. 1.73 km W of Rio Dell, California · 15785 days ago · 20 km deep · 77 km away
  2. 1.76 km E of Redcrest, California · 15785 days ago · 23 km deep · 59 km away
  3. 1.618 km WSW of Scotia, California · 15786 days ago · 20 km deep · 92 km away
  4. 2.63 km SE of Benbow, California · 15786 days ago · 15 km deep · 82 km away
  5. 3.53 km SSE of Benbow, California · 15786 days ago · 15 km deep · 82 km away
  6. 2.17 km SW of Benbow, California · 15786 days ago · -1 km deep · 88 km away
  7. 2.03 km N of Mad River, California · 15786 days ago · -1 km deep · 30 km away
  8. 2.59 km NW of Big Lagoon, California · 15788 days ago · 10 km deep · 100 km away
  9. 2.17 km WNW of Big Lagoon, California · 15788 days ago · 11 km deep · 98 km away
  10. 2.19 km N of Mad River, California · 15789 days ago · 4 km deep · 25 km away
  11. 1.916 km SW of Scotia, California · 15789 days ago · 25 km deep · 89 km away
  12. 2.59 km WSW of Ferndale, California · 15789 days ago · 25 km deep · 94 km away
  13. 2.75 km W of Big Lagoon, California · 15789 days ago · 10 km deep · 96 km away
  14. 1.820 km SE of Indianola, California · 15791 days ago · 22 km deep · 52 km away
  15. 1.92 km S of Mad River, California · 15792 days ago · 22 km deep · 34 km away
  16. 2.11 km SW of Fields Landing, California · 15793 days ago · 9 km deep · 81 km away
  17. 1.80 km SSW of Fields Landing, California · 15793 days ago · 9 km deep · 80 km away
  18. 1.91 km SSW of Fields Landing, California · 15793 days ago · 10 km deep · 81 km away
  19. 2.61 km WSW of Fields Landing, California · 15793 days ago · 10 km deep · 81 km away
  20. 1.61 km SSW of Fields Landing, California · 15793 days ago · 9 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1098695. Read Sat, Oct 3, 2026, 1:37 PM UTC.