California earthquakes

M2.6 earthquake 8 km N of Hayfork, California

A magnitude 2.6 earthquake struck 8 km N of Hayfork, California on Thu, Apr 7, 1977, 12:27 AM PST (08:27 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.1 9 km SSW of Junction City, 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
2.6 (md), micro
Local time
UTC
1977-04-07 08:27:14 UTC
Depth
9.5 km (5.9 mi), shallow
Epicenter
40.634° N, 123.192° 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 1.9 km horizontally, 1.1 km in depth
Depth from
From location
Station coverage gap
297°, 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: 34 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 1.77 km W of Rio Dell, California · 18065 days ago · 18 km deep · 86 km away
  2. 3.19 km SSW of Junction City, California · 18064 days ago · 52 km deep · 9 km away
  3. 2.412 km N of Hayfork, California · 18064 days ago · 2 km deep · 3 km away
  4. 1.510 km NNE of Hayfork, California · 18063 days ago · 5 km deep · 4 km away
  5. 1.715 km NE of Myers Flat, California · 18059 days ago · 27 km deep · 55 km away
  6. 1.614 km ENE of Hyampom, California · 18059 days ago · 4 km deep · 9 km away
  7. 2.34 km ESE of Pine Hills, California · 18058 days ago · 24 km deep · 77 km away
  8. 1.84 km SW of Indianola, California · 18057 days ago · 23 km deep · 91 km away
  9. 2.312 km SE of Alderpoint, California · 18056 days ago · 26 km deep · 63 km away
  10. 2.53 km SW of Garberville, California · 18056 days ago · 14 km deep · 82 km away
  11. 2.310 km S of Ferndale, California · 18051 days ago · 19 km deep · 93 km away
  12. 1.86 km WNW of Ferndale, California · 18048 days ago · 26 km deep · 96 km away
  13. 1.79 km W of Indianola, California · 18048 days ago · 22 km deep · 98 km away
  14. 2.314 km SW of Mad River, California · 18042 days ago · 11 km deep · 48 km away
  15. 3.021 km WSW of Weott, California · 18042 days ago · 7 km deep · 93 km away
  16. 2.03 km W of Hydesville, California · 18033 days ago · 5 km deep · 81 km away
  17. 1.85 km W of Willow Creek, California · 18031 days ago · 32 km deep · 54 km away
  18. 2.59 km S of Hyampom, California · 18030 days ago · 0 km deep · 26 km away
  19. 3.117 km WSW of Scotia, California · 18029 days ago · 20 km deep · 95 km away
  20. 2.316 km WSW of Scotia, California · 18029 days ago · 19 km deep · 94 km away
  21. 1.6near the coast of Northern California · 18025 days ago · 25 km deep · 89 km away
  22. 1.53 km WSW of Bayview, California · 18025 days ago · 24 km deep · 88 km away
  23. 2.75 km WNW of Fields Landing, California · 18024 days ago · 26 km deep · 92 km away
  24. 2.24 km S of Scotia, California · 18022 days ago · 8 km deep · 80 km away
  25. 1.716 km NE of Redcrest, California · 18017 days ago · 24 km deep · 53 km away
  26. 1.627 km SSW of Scotia, California · 18017 days ago · 22 km deep · 97 km away
  27. 1.610 km W of Samoa, California · 18016 days ago · 23 km deep · 97 km away
  28. 2.79 km WSW of Redcrest, California · 18014 days ago · 31 km deep · 78 km away
  29. 2.515 km NE of Trinity Village, California · 18011 days ago · 31 km deep · 40 km away
  30. 1.74 km ESE of Burnt Ranch, California · 18010 days ago · 20 km deep · 26 km away
  31. 2.412 km E of Blue Lake, California · 18009 days ago · 28 km deep · 61 km away
  32. 3.330 km NNW of Junction City, California · 18009 days ago · 13 km deep · 40 km away
  33. 1.63 km W of Mad River, California · 18009 days ago · 23 km deep · 37 km away
  34. 2.40 km SSE of Redway, California · 18006 days ago · 18 km deep · 79 km away

Before

  1. 2.89 km ESE of Douglas City, California · 18066 days ago · 4 km deep · 29 km away
  2. 1.517 km SSE of Blue Lake, California · 18068 days ago · 24 km deep · 59 km away
  3. 1.74 km WSW of Scotia, California · 18068 days ago · 23 km deep · 83 km away
  4. 1.53 km SW of Mad River, California · 18068 days ago · 28 km deep · 37 km away
  5. 3.011 km NE of Hydesville, California · 18069 days ago · 21 km deep · 68 km away
  6. 2.711 km NE of Hydesville, California · 18070 days ago · 22 km deep · 68 km away
  7. 3.610 km NE of Hydesville, California · 18071 days ago · 22 km deep · 68 km away
  8. 1.611 km NNW of Mad River, California · 18074 days ago · 2 km deep · 34 km away
  9. 2.511 km W of Samoa, California · 18074 days ago · 25 km deep · 98 km away
  10. 2.617 km E of Big Lagoon, California · 18074 days ago · 21 km deep · 84 km away
  11. 1.711 km NNW of Mad River, California · 18076 days ago · 2 km deep · 34 km away
  12. 1.512 km N of Junction City, California · 18076 days ago · 0 km deep · 25 km away
  13. 2.615 km W of Junction City, California · 18079 days ago · 13 km deep · 14 km away
  14. 2.214 km E of Mad River, California · 18080 days ago · 28 km deep · 22 km away
  15. 1.58 km SSW of Hayfork, California · 18081 days ago · 3 km deep · 16 km away
  16. 1.58 km NNW of Redcrest, California · 18082 days ago · 28 km deep · 68 km away
  17. 2.214 km SSW of Mad River, California · 18086 days ago · 28 km deep · 46 km away
  18. 1.525 km W of Hyampom, California · 18088 days ago · 8 km deep · 47 km away
  19. 1.924 km W of Hyampom, California · 18088 days ago · 7 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1034721. Read Tue, Sep 22, 2026, 8:07 PM UTC.