California earthquakes

M2.5 earthquake 16 km NE of Redcrest, California

A magnitude 2.5 earthquake struck 16 km NE of Redcrest, California on Tue, Sep 16, 1975, 7:53 AM PDT (14:53 UTC), 25 km (15 mi) below the surface.

A larger quake followed: M3.0 17 km WNW of Indianola, 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
2.5 (md), micro
Local time
UTC
1975-09-16 14:53:02 UTC
Depth
24.6 km (15.3 mi), shallow
Epicenter
40.517° N, 123.833° 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 0.8 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
143°
Stations used
9

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 27 in the 30 days before it.

After

  1. 3.017 km WNW of Indianola, California · 18634 days ago · 25 km deep · 56 km away
  2. 2.040 km SSW of Ferndale, California · 18634 days ago · 9 km deep · 63 km away
  3. 1.9near the coast of Northern California · 18633 days ago · 21 km deep · 69 km away
  4. 2.812 km WSW of Scotia, California · 18633 days ago · 26 km deep · 35 km away
  5. 3.059 km W of Ferndale, California · 18632 days ago · 39 km deep · 96 km away
  6. 2.08 km W of Rio Dell, California · 18631 days ago · 20 km deep · 31 km away
  7. 2.48 km S of Junction City, California · 18630 days ago · 12 km deep · 67 km away
  8. 1.711 km WNW of Indianola, California · 18629 days ago · 23 km deep · 50 km away
  9. 2.02 km SSW of Burnt Ranch, California · 18629 days ago · 22 km deep · 42 km away
  10. 1.67 km W of Rio Dell, California · 18629 days ago · 19 km deep · 31 km away
  11. 1.933 km SW of Ferndale, California · 18628 days ago · 20 km deep · 63 km away
  12. 1.77 km WSW of Ferndale, California · 18627 days ago · 23 km deep · 44 km away
  13. 2.430 km WSW of Ferndale, California · 18626 days ago · 24 km deep · 66 km away
  14. 1.828 km SSW of Ferndale, California · 18626 days ago · 19 km deep · 53 km away
  15. 2.840 km W of Ferndale, California · 18623 days ago · 24 km deep · 77 km away
  16. 2.841 km W of Ferndale, California · 18623 days ago · 24 km deep · 77 km away
  17. 2.015 km WSW of Scotia, California · 18623 days ago · 27 km deep · 39 km away
  18. 1.68 km NNW of Redcrest, California · 18623 days ago · 4 km deep · 13 km away
  19. 1.513 km NNW of Willow Creek, California · 18623 days ago · 20 km deep · 60 km away
  20. 2.010 km E of Fieldbrook, California · 18622 days ago · 23 km deep · 50 km away
  21. 3.68 km NNW of Mad River, California · 18622 days ago · 4 km deep · 24 km away
  22. 1.88 km NNE of Mad River, California · 18622 days ago · 10 km deep · 32 km away
  23. 1.511 km NW of Mad River, California · 18622 days ago · 2 km deep · 18 km away
  24. 2.28 km N of Mad River, California · 18622 days ago · -1 km deep · 28 km away
  25. 1.514 km SW of Ferndale, California · 18622 days ago · 23 km deep · 47 km away
  26. 2.47 km NNE of Mad River, California · 18622 days ago · 0 km deep · 30 km away
  27. 1.64 km SE of Ferndale, California · 18622 days ago · 31 km deep · 33 km away
  28. 3.545 km W of Ferndale, California · 18621 days ago · 50 km deep · 81 km away
  29. 2.634 km WSW of Ferndale, California · 18620 days ago · 22 km deep · 70 km away
  30. 1.730 km WSW of Ferndale, California · 18620 days ago · 23 km deep · 66 km away
  31. 1.614 km WNW of Fields Landing, California · 18617 days ago · 27 km deep · 54 km away
  32. 1.94 km WSW of Weott, California · 18615 days ago · 25 km deep · 26 km away
  33. 1.8Northern California · 18614 days ago · 24 km deep · 10 km away
  34. 2.333 km SW of Ferndale, California · 18614 days ago · 17 km deep · 62 km away
  35. 1.5near the coast of Northern California · 18614 days ago · 25 km deep · 63 km away
  36. 2.27 km E of Phillipsville, California · 18613 days ago · 34 km deep · 35 km away
  37. 2.312 km ESE of Blue Lake, California · 18612 days ago · 27 km deep · 37 km away
  38. 1.93 km E of Loleta, California · 18611 days ago · 24 km deep · 32 km away
  39. 1.76 km ENE of Phillipsville, California · 18609 days ago · 28 km deep · 33 km away
  40. 1.923 km SW of Ferndale, California · 18608 days ago · 21 km deep · 52 km away
  41. 2.03 km N of Ferndale, California · 18607 days ago · 20 km deep · 38 km away
  42. 2.03 km SW of Willow Creek, California · 18607 days ago · 26 km deep · 46 km away
  43. 1.68 km W of Rio Dell, California · 18606 days ago · 20 km deep · 32 km away
  44. 1.710 km NW of Willow Creek, California · 18606 days ago · 22 km deep · 55 km away
  45. 1.66 km W of Rio Dell, California · 18606 days ago · 20 km deep · 30 km away
  46. 2.544 km SW of Ferndale, California · 18605 days ago · 10 km deep · 72 km away
  47. 2.524 km WNW of Samoa, California · 18605 days ago · 50 km deep · 67 km away
  48. 1.58 km W of Rio Dell, California · 18602 days ago · 21 km deep · 32 km away
  49. 1.76 km SW of Ferndale, California · 18601 days ago · 25 km deep · 41 km away
  50. 2.823 km WNW of Big Lagoon, California · 18601 days ago · 35 km deep · 96 km away
  51. 1.827 km SW of Ferndale, California · 18600 days ago · 19 km deep · 54 km away
  52. 1.8near the coast of Northern California · 18600 days ago · 20 km deep · 51 km away
  53. 1.827 km WSW of Ferndale, California · 18600 days ago · 18 km deep · 63 km away
  54. 1.928 km WSW of Ferndale, California · 18595 days ago · 26 km deep · 63 km away
  55. 1.76 km NW of Alderpoint, California · 18595 days ago · 29 km deep · 36 km away
  56. 1.631 km WSW of Ferndale, California · 18594 days ago · 22 km deep · 67 km away
  57. 1.81 km NW of Ferndale, California · 18594 days ago · 20 km deep · 38 km away
  58. 1.523 km WNW of Indianola, California · 18594 days ago · 28 km deep · 61 km away
  59. 1.613 km WSW of Redcrest, California · 18592 days ago · -1 km deep · 29 km away
  60. 2.328 km SW of Ferndale, California · 18592 days ago · 28 km deep · 57 km away

The first 60 of 91.

Before

  1. 2.535 km SSW of Ferndale, California · 18634 days ago · 11 km deep · 57 km away
  2. 2.616 km NE of Redcrest, California · 18634 days ago · 26 km deep · 1 km away
  3. 2.0near the coast of Northern California · 18635 days ago · 16 km deep · 77 km away
  4. 2.04 km WSW of Loleta, California · 18635 days ago · 19 km deep · 39 km away
  5. 2.7near the coast of Northern California · 18636 days ago · 18 km deep · 55 km away
  6. 2.122 km SW of Scotia, California · 18638 days ago · 20 km deep · 44 km away
  7. 3.07 km N of Redcrest, California · 18640 days ago · 21 km deep · 11 km away
  8. 1.934 km SW of Ferndale, California · 18641 days ago · 23 km deep · 62 km away
  9. 4.635 km WNW of Samoa, California · 18642 days ago · 21 km deep · 77 km away
  10. 1.526 km SW of Scotia, California · 18642 days ago · 22 km deep · 47 km away
  11. 2.413 km WSW of Mad River, California · 18642 days ago · 21 km deep · 20 km away
  12. 2.414 km S of Ferndale, California · 18642 days ago · 26 km deep · 39 km away
  13. 1.50 km SSW of Benbow, California · 18644 days ago · 15 km deep · 51 km away
  14. 2.04 km N of Ferndale, California · 18648 days ago · 18 km deep · 38 km away
  15. 2.27 km WNW of Big Lagoon, California · 18649 days ago · 10 km deep · 81 km away
  16. 1.94 km WSW of Loleta, California · 18649 days ago · 18 km deep · 39 km away
  17. 1.720 km NW of Junction City, California · 18650 days ago · 27 km deep · 64 km away
  18. 2.67 km W of Rio Dell, California · 18651 days ago · 22 km deep · 31 km away
  19. 2.310 km SSW of Scotia, California · 18651 days ago · 28 km deep · 29 km away
  20. 3.127 km SSW of Ferndale, California · 18651 days ago · 18 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1026397. Read Tue, Sep 22, 2026, 8:59 PM UTC.