California earthquakes

M1.7 earthquake 10 km E of Hayfork, California

A magnitude 1.7 earthquake struck 10 km E of Hayfork, California on Mon, Jun 5, 1978, 3:21 AM PDT (10:21 UTC), 25 km (16 mi) below the surface.

A larger quake followed: M3.3 7 km NW of Ruth, 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
1.7 (md), micro
Local time
UTC
1978-06-05 10:21:58 UTC
Depth
25.5 km (15.8 mi), shallow
Epicenter
40.540° N, 123.061° 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 11.9 km horizontally, 12.7 km in depth
Depth from
From location
Station coverage gap
325°, 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: 42 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 1.96 km SW of Scotia, California · 17648 days ago · 27 km deep · 92 km away
  2. 1.86 km W of Scotia, California · 17646 days ago · 22 km deep · 95 km away
  3. 1.78 km NE of Hydesville, California · 17646 days ago · 23 km deep · 82 km away
  4. 1.715 km NNE of Redcrest, California · 17643 days ago · 21 km deep · 67 km away
  5. 1.615 km SE of Indianola, California · 17641 days ago · 21 km deep · 78 km away
  6. 1.611 km WSW of Scotia, California · 17640 days ago · 19 km deep · 99 km away
  7. 1.63 km W of Miranda, California · 17637 days ago · 16 km deep · 76 km away
  8. 1.88 km W of Weott, California · 17636 days ago · 23 km deep · 85 km away
  9. 3.38 km W of Rio Dell, California · 17635 days ago · 20 km deep · 97 km away
  10. 1.710 km SSW of Scotia, California · 17631 days ago · 36 km deep · 92 km away
  11. 1.9Northern California · 17630 days ago · 17 km deep · 76 km away
  12. 3.24 km N of Redway, California · 17629 days ago · 19 km deep · 78 km away
  13. 1.614 km ENE of Weott, California · 17629 days ago · 21 km deep · 62 km away
  14. 1.67 km WSW of Rio Dell, California · 17627 days ago · 28 km deep · 96 km away
  15. 1.67 km W of Rio Dell, California · 17626 days ago · 19 km deep · 96 km away
  16. 2.221 km WNW of Hyampom, California · 17625 days ago · 25 km deep · 55 km away
  17. 2.319 km SSE of Ruth, California · 17619 days ago · 5 km deep · 50 km away
  18. 2.56 km SSW of Scotia, California · 17618 days ago · 25 km deep · 90 km away
  19. 1.811 km NW of Hayfork, California · 17616 days ago · 4 km deep · 21 km away
  20. 2.43 km SSE of Fieldbrook, California · 17611 days ago · 28 km deep · 92 km away
  21. 3.37 km NW of Ruth, California · 17610 days ago · 30 km deep · 38 km away
  22. 1.55 km WNW of Weott, California · 17610 days ago · 4 km deep · 81 km away
  23. 1.76 km NW of Ruth, California · 17610 days ago · 20 km deep · 36 km away
  24. 1.67 km NW of Ruth, California · 17610 days ago · 23 km deep · 38 km away
  25. 2.412 km NNE of Redcrest, CA · 17609 days ago · 22 km deep · 72 km away
  26. 1.920 km ENE of Westhaven-Moonstone, California · 17608 days ago · 22 km deep · 93 km away
  27. 2.39 km WSW of Scotia, California · 17606 days ago · 3 km deep · 97 km away
  28. 2.99 km WSW of Scotia, California · 17606 days ago · 3 km deep · 97 km away
  29. 1.99 km W of Scotia, California · 17606 days ago · 2 km deep · 98 km away
  30. 2.99 km WSW of Scotia, California · 17606 days ago · 7 km deep · 98 km away
  31. 2.411 km NNE of Redcrest, California · 17596 days ago · 24 km deep · 72 km away
  32. 3.07 km NNW of Rancho Tehama Reserve, California · 17595 days ago · 18 km deep · 74 km away
  33. 2.39 km WNW of Rancho Tehama Reserve, California · 17595 days ago · 22 km deep · 72 km away
  34. 1.98 km WSW of Rancho Tehama Reserve, California · 17595 days ago · 11 km deep · 78 km away
  35. 2.122 km WSW of Weott, California · 17593 days ago · 2 km deep · 99 km away
  36. 2.99 km S of Benbow, California · 17593 days ago · -1 km deep · 88 km away
  37. 2.35 km W of Scotia, California · 17591 days ago · 21 km deep · 94 km away
  38. 2.96 km SW of Redcrest, California · 17590 days ago · 26 km deep · 83 km away
  39. 3.317 km ESE of Blue Lake, California · 17590 days ago · 32 km deep · 70 km away
  40. 1.92 km NE of Fieldbrook, California · 17589 days ago · 19 km deep · 94 km away
  41. 1.622 km WSW of Weott, California · 17589 days ago · 4 km deep · 100 km away
  42. 2.410 km WNW of Hyampom, California · 17588 days ago · 32 km deep · 45 km away

Before

  1. 1.58 km W of Rio Dell, California · 17650 days ago · 19 km deep · 97 km away
  2. 1.619 km NW of Mad River, California · 17658 days ago · 28 km deep · 53 km away
  3. 1.921 km WSW of Weott, California · 17661 days ago · 4 km deep · 98 km away
  4. 2.07 km E of Hayfork, California · 17663 days ago · 21 km deep · 3 km away
  5. 1.92 km NNE of Hayfork, California · 17664 days ago · 14 km deep · 10 km away
  6. 3.023 km SSE of Douglas City, California · 17664 days ago · 4 km deep · 22 km away
  7. 2.34 km NNW of Redway, California · 17666 days ago · 21 km deep · 79 km away
  8. 1.92 km SW of Miranda, California · 17667 days ago · 13 km deep · 76 km away
  9. 1.52 km W of Benbow, California · 17670 days ago · 16 km deep · 82 km away
  10. 3.024 km WNW of Elk Creek, California · 17673 days ago · 11 km deep · 97 km away
  11. 3.323 km WNW of Elk Creek, California · 17673 days ago · 4 km deep · 95 km away
  12. 1.710 km WSW of Rio Dell, California · 17677 days ago · 5 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1040556. Read Mon, Sep 28, 2026, 11:42 PM UTC.