California earthquakes

M1.6 earthquake 7 km NW of Ruth, California

A magnitude 1.6 earthquake struck 7 km NW of Ruth, California on Wed, Jul 12, 1978, 8:57 AM PDT (15:57 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M3.8 24 km SSW of Ferndale, California. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.6 (md), micro
Local time
UTC
1978-07-12 15:57:52 UTC
Depth
23.0 km (14.3 mi), shallow
Epicenter
40.311° N, 123.397° 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 2.1 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
254°, 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: 138 in the 60 days after this one and 51 in the 30 days before it.

After

  1. 2.412 km NNE of Redcrest, CA · 17611 days ago · 22 km deep · 48 km away
  2. 2.022 km SW of Ferndale, California · 17610 days ago · 17 km deep · 93 km away
  3. 3.128 km SSW of Ferndale, California · 17610 days ago · 18 km deep · 86 km away
  4. 2.729 km SSW of Ferndale, California · 17610 days ago · 18 km deep · 85 km away
  5. 1.920 km ENE of Westhaven-Moonstone, California · 17610 days ago · 22 km deep · 97 km away
  6. 1.610 km S of Ferndale, California · 17608 days ago · 18 km deep · 77 km away
  7. 2.39 km WSW of Scotia, California · 17608 days ago · 3 km deep · 71 km away
  8. 2.99 km WSW of Scotia, California · 17608 days ago · 3 km deep · 71 km away
  9. 1.99 km W of Scotia, California · 17608 days ago · 2 km deep · 71 km away
  10. 3.010 km S of Ferndale, California · 17608 days ago · 19 km deep · 77 km away
  11. 2.99 km WSW of Scotia, California · 17607 days ago · 7 km deep · 71 km away
  12. 1.818 km SW of Scotia, California · 17607 days ago · 31 km deep · 72 km away
  13. 1.632 km SW of Ferndale, California · 17607 days ago · 17 km deep · 94 km away
  14. 1.98 km ENE of Willits, California · 17606 days ago · 4 km deep · 99 km away
  15. 1.68 km ENE of Willits, California · 17604 days ago · 4 km deep · 99 km away
  16. 1.934 km SSW of Ferndale, California · 17604 days ago · -1 km deep · 88 km away
  17. 1.633 km SSW of Ferndale, California · 17603 days ago · 25 km deep · 90 km away
  18. 1.530 km SW of Ferndale, California · 17603 days ago · 21 km deep · 91 km away
  19. 1.8near the coast of Northern California · 17602 days ago · 19 km deep · 100 km away
  20. 2.936 km SW of Ferndale, California · 17601 days ago · 21 km deep · 95 km away
  21. 1.69 km S of Ferndale, California · 17600 days ago · 18 km deep · 76 km away
  22. 2.410 km S of Ferndale, California · 17600 days ago · 19 km deep · 77 km away
  23. 2.69 km S of Ferndale, California · 17599 days ago · 19 km deep · 77 km away
  24. 1.821 km SW of Ferndale, California · 17599 days ago · 18 km deep · 91 km away
  25. 1.622 km SW of Ferndale, California · 17599 days ago · 17 km deep · 93 km away
  26. 1.522 km SW of Ferndale, California · 17599 days ago · 17 km deep · 92 km away
  27. 2.411 km NNE of Redcrest, California · 17598 days ago · 24 km deep · 48 km away
  28. 1.89 km S of Ferndale, California · 17597 days ago · 18 km deep · 78 km away
  29. 3.07 km NNW of Rancho Tehama Reserve, California · 17597 days ago · 18 km deep · 85 km away
  30. 2.39 km WNW of Rancho Tehama Reserve, California · 17597 days ago · 22 km deep · 82 km away
  31. 1.98 km WSW of Rancho Tehama Reserve, California · 17597 days ago · 11 km deep · 85 km away
  32. 1.814 km SSW of Ferndale, California · 17596 days ago · 26 km deep · 80 km away
  33. 2.122 km WSW of Weott, California · 17595 days ago · 2 km deep · 66 km away
  34. 2.99 km S of Benbow, California · 17595 days ago · -1 km deep · 50 km away
  35. 1.632 km SW of Ferndale, California · 17593 days ago · 31 km deep · 95 km away
  36. 2.35 km W of Scotia, California · 17593 days ago · 21 km deep · 68 km away
  37. 2.96 km SW of Redcrest, California · 17592 days ago · 26 km deep · 52 km away
  38. 3.317 km ESE of Blue Lake, California · 17592 days ago · 32 km deep · 65 km away
  39. 2.229 km WNW of Cleone, California · 17592 days ago · 4 km deep · 97 km away
  40. 1.834 km SW of Ferndale, California · 17591 days ago · 25 km deep · 97 km away
  41. 1.92 km NE of Fieldbrook, California · 17591 days ago · 19 km deep · 91 km away
  42. 1.622 km WSW of Weott, California · 17591 days ago · 4 km deep · 67 km away
  43. 3.135 km SSW of Ferndale, California · 17591 days ago · 26 km deep · 93 km away
  44. 2.539 km SW of Ferndale, California · 17591 days ago · 23 km deep · 98 km away
  45. 1.734 km SSW of Ferndale, California · 17591 days ago · 25 km deep · 91 km away
  46. 2.410 km WNW of Hyampom, California · 17590 days ago · 32 km deep · 40 km away
  47. 2.2near the coast of Northern California · 17588 days ago · 26 km deep · 89 km away
  48. 1.79 km S of Ferndale, California · 17587 days ago · 18 km deep · 76 km away
  49. 1.58 km SSW of Scotia, California · 17586 days ago · 25 km deep · 65 km away
  50. 2.36 km S of Ferndale, California · 17586 days ago · 8 km deep · 77 km away
  51. 1.613 km WNW of Willow Creek, California · 17586 days ago · 22 km deep · 82 km away
  52. 1.831 km SSW of Ferndale, California · 17586 days ago · 19 km deep · 90 km away
  53. 1.69 km S of Ferndale, California · 17586 days ago · 18 km deep · 77 km away
  54. 1.75 km ENE of Redcrest, California · 17585 days ago · 22 km deep · 44 km away
  55. 1.523 km NE of Redcrest, California · 17585 days ago · 23 km deep · 41 km away
  56. 2.726 km SSW of Ferndale, California · 17584 days ago · 19 km deep · 87 km away
  57. 1.610 km S of Ferndale, California · 17583 days ago · 18 km deep · 77 km away
  58. 2.612 km SSE of Laytonville, California · 17582 days ago · -1 km deep · 81 km away
  59. 2.823 km SSW of Ferndale, California · 17581 days ago · 30 km deep · 84 km away
  60. 2.113 km SSE of Mad River, California · 17580 days ago · -1 km deep · 7 km away

The first 60 of 138.

Before

  1. 1.76 km NW of Ruth, California · 17612 days ago · 20 km deep · 2 km away
  2. 1.55 km WNW of Weott, California · 17612 days ago · 4 km deep · 50 km away
  3. 3.37 km NW of Ruth, California · 17612 days ago · 30 km deep · 0 km away
  4. 2.43 km SSE of Fieldbrook, California · 17613 days ago · 28 km deep · 87 km away
  5. 2.635 km SW of Ferndale, California · 17615 days ago · 24 km deep · 94 km away
  6. 2.731 km SSW of Ferndale, California · 17617 days ago · 11 km deep · 86 km away
  7. 1.811 km NW of Hayfork, California · 17618 days ago · 4 km deep · 36 km away
  8. 1.516 km WSW of Ferndale, California · 17619 days ago · 21 km deep · 89 km away
  9. 1.97 km WNW of Ferndale, California · 17619 days ago · 19 km deep · 86 km away
  10. 2.334 km SSW of Ferndale, California · 17620 days ago · 25 km deep · 92 km away
  11. 1.739 km SW of Ferndale, California · 17620 days ago · 25 km deep · 99 km away
  12. 2.56 km SSW of Scotia, California · 17620 days ago · 25 km deep · 62 km away
  13. 2.319 km SSE of Ruth, California · 17621 days ago · 5 km deep · 26 km away
  14. 1.725 km SSW of Scotia, California · 17621 days ago · -1 km deep · 73 km away
  15. 1.710 km WNW of Manila, California · 17621 days ago · 20 km deep · 98 km away
  16. 2.030 km SSW of Ferndale, California · 17622 days ago · 30 km deep · 88 km away
  17. 2.436 km SW of Ferndale, California · 17624 days ago · 22 km deep · 97 km away
  18. 3.39 km S of Ferndale, California · 17624 days ago · 19 km deep · 77 km away
  19. 2.446 km WNW of Shelter Cove, California · 17626 days ago · 4 km deep · 99 km away
  20. 2.221 km WNW of Hyampom, California · 17627 days ago · 25 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1041016. Read Wed, Sep 30, 2026, 10:36 PM UTC.